echanical engineering and lighting and heating and weapons and blasting (F)

F            echanical engineering; lighting; heating; weapons; blasting(225478)

Composite bullet-resistant uniform material and method of its manufacture // 2642797
FIELD: weapons and ammunition.SUBSTANCE: material is formed as an intersecting composition of N double-layered structured unit elements, where 1≤N≤8, an organic thin film attached to both sides thereof; wherein the intersection angle of each adjacent layer is 45-90°. The first layer is a fibrous bullet-resistant tape with a unidirectional fibre orientation coated with the first polymeric adhesive. The second layer is a fibrous bullet-resistant tape with a unidirectional fibre orientation coated with the second polymeric adhesive. The tension modulus of the first polymeric adhesive is less than 6 MPa, and the tension modulus of the second polymeric adhesive is greater than 6 MPa. The loss modulus of the first polymeric adhesive and the second polymeric adhesive under the same conditions is the same as the loss modulus of the bullet-resistant fibre.EFFECT: invention ensures creation of a soft composite bullet-resistant uniform material that has acceptable hardness and increased bullet resistance.16 cl, 2 tbl, 1 dwg

Internal unit of air-conditioner of ceiling type // 2642773
FIELD: ventilation.SUBSTANCE: proposed indoor unit air conditioner ceiling type, containing: the main body, having the inlet port and outlet located in its lower part; heat exchanger; blower and control unit containing the casing, located inside and attached to the main body and lid attached circuit board and a swivel is connected to the casing so that the lid has the ability to rotate between open and closed, and the space inside the main building, allowing for rotation of the lid in the open position it inside the main body so that when this casing remains attached to the main hull with access to printed circuit board attached to the casing.EFFECT: easy access to the control unit for easy wiring and repair work.15 cl, 8 dwg
Internal air conditioner unit // 2642771
FIELD: ventilation.SUBSTANCE: air conditioner comprises: a main body which includes a suction port and an outlet; a heat exchanger that cools the indoor air of a room sucked through a suction port; a cross flow fan that sucks the indoor air of the room through the suction port, and also allows the cold-air cooled by the heat exchanger to be discharged to the room through the outlet; an airflow direction adjusting unit configured to control the directions of the air flow discharged through the outlet, a drainage tray assembly that is located under the heat exchanger for collecting water condensate formed by the heat exchanger; and a flap that is pivotally connected to the drainage tray assembly to open the outlet and whose pivot axis is formed at the top of outlet. The drainage tray assembly includes: a stabiliser unit that directs the cold air after heat exchange in the heat exchanger towards the outlet without backflow and comprises a part that has a surface facing the collection part, and an opposite surface facing air flow direction control unit; a receiving space for receiving a part of the flap formed therein when the flap f is at least partially opened by rotating the rotary axis; a guide that protrudes forward from the stabiliser unit and is located between the receiving space and the suction port to obstruct the cold air outlet through the gap between the flap and the stabiliser unit in a state where the flap is at least partially opened and the wall that extends with a rounding from the stabiliser unit surface for separating the receiving space of the drainage tray assembly from the collecting part of the drainage tray assembly.EFFECT: preventing the formation of dew at the top of the outlet.9 cl 7 dwg

etallic fastener // 2642768
FIELD: machine engineering.SUBSTANCE: metal fastener contains an expanded head and a smooth barrel for engaging with the structure and located along the axis of rotation. The surface of the smooth barrel comprises, around the noted smooth barrel, at least one alternating conductive portion and at least one alternating lubricating portion. At least one conductive portion extends along the length of the smooth barrel, and at least one noted lubricating portion extends along the entire length of the smooth barrel, a lubricant is applied to the noted lubricating portion.EFFECT: increased possibility of conducting electricity in all layers of the structure.11 cl, 7 dwg

Solid-propellant rocket engine (versions) // 2642764
FIELD: engine devices and pumps.SUBSTANCE: solid-propellant rocket engine in the first version comprises a body with a solid fuel arranged therein, a nozzle unit installed on the rear bottom of body, an igniter includes a solid fuel igniter mounted in the front and/or rear bottom of the body. The igniter is mounted in the front bottom of the body along the axis of a central channel. The igniter includes a laser connected by a cable to a power supply source and directed by the laser beam focus of given pulse shape to a layer of flammable substance which is applied to the end of the igniter, and the igniter is placed in a perforated shell and installed in a casing with radial clearance. In the igniter installed in the front bottom of the body, the casing with its one end is airtightly connected to the laser, and on its other end there is a flare, on which a deflector of radially directed ejection of flame from the igniter is installed to the surface of through solid fuel central channel. In the igniter installed in the rear bottom of the body, the casing with its one end is airtightly connected to the laser, and the other end of the casing there is a branch pipe which to which the igniter is mounted eccentrically to the central channel in the rear bottom of the body with the possibility of concentrated ejection of flame from the igniter through a prechamber to the solid fuel end. In the second version the solid-propellant rocket engine contains armouring coatings on the ends of solid fuel, and the igniter is mounted in the front bottom of the body and is a laser. The laser drives ignition of solid fuel of directed laser beam radiation focus of specified shape of pulse through the prechamber to solid fuel end, for this purpose in the armouring coating of the solid fuel end there is a local zone of ignition with the possibility for combustion transition into the solid fuel central channel. In the third version of the rocket engine the laser is mounted eccentrically in the rear bottom of the body eccentrically to the nozzle, driving ignition of solid fuel by directed laser beam radiation focus of specified shape of pulse through the prechamber into one of the cells of pyramidal shape made on the end of solid fuel, with subsequent transition of combustion over entire honeycomb pyramidal-cellular surface of solid fuel end.EFFECT: enhancement of reliability and reduction of ignition time of solid fuel.3 cl, 8 dwg
ethod of draining liquid from wells when using underground oil production method // 2642759
FIELD: oil and gas industry.SUBSTANCE: method includes supplying liquid to the divider through a hole in the cover of the upper chamber, filtering large mechanical impurities, supplying liquid into the upper chamber with a float, then through openings of throttle partition into the lower chamber to the valve unit. Under the action of high level of liquid in the upper chamber, the float moves upward and, by means of the rod, it opens a first small valve. Then, if it is necessary to increase the throughput capacity of the large valve, moving the small valve with one degree of freedom inside the large valve and together with it inside the sleeve along the common vertical axis. After draining liquid through the discharge bushing under the action of lowering of liquid level in the upper chamber, the float moves down and closes both valves.EFFECT: improved safety of the drainage process due to smooth adjustment of liquid outlet and provision of process continuity.3 cl, 12 dwg

Rupture disc having laser-formed reversal initiation and strain control elements // 2642752
FIELD: machine engineering.SUBSTANCE: reverse acting rupture disc (10) having a laser-formed reversal initiation element (16) provided in the disc projecting portion (12). The reversal initiation element comprises at least the first laser-exposed region (22) which has reduced thickness relative to the remaining projecting portion. A second laser-exposed region (24) provided within the first laser-exposed region. The second laser-exposed region has depth less than the depth of the first laser-exposed region. Attenuation line (40) can be formed in the projecting portion which acts to direct the reversal of raised portion towards specific region of the disc, such as line (56) of the opening groove.EFFECT: control and ordering of the extension shape in reversal.40 cl, 12 dwg

Dowel and fastening element securing layer of material // 2642720
FIELD: construction.SUBSTANCE: invention relates to a dowel for securing a layer of material on a structure including a tray (12) and a hollow shaft (14) formed therein to receive a fixing screw, wherein a stepped hole (16) is provided in the hollow shaft. The stepped hole (16) includes at least two steps (28) between at least three regions (18; 30). The hollow shaft (14) on the outer surface is at least partially conically decurrent. Hollow shaft (14) is provided with radially extensible elements, and extensible elements are executed from the external side in the conically decurrent part of hollow shaft (14) as axial seizures (40). According to the invention, it is proposed that the seizures (40) at the base of the seizures are at least partially provided with a thin, expandable or tearable by expansion, bottom. The present invention further relates to a fastening element including a dowel and a fastening screw according to the invention.EFFECT: invention makes it possible to increase the stability of the dowel independently of the fastening screw.12 cl, 13 dwg

Hydraulic drive safety system // 2642719
FIELD: engines and pumps.SUBSTANCE: system includes a hydraulic tank, a pump, a pressure line, a drain line in the hydraulic tank, a hydraulic distributor, a hydraulic motor, a locking device consisting of a casing equipped with inlet, outlet, drainage connections with channels and stop. Inside the body of the locking device, a spring-loaded plunger with an inlet cavity is disposed. Plunger is located in the body at a distance of its full stroke- with the formation between the plunger and the end face of the outlet cavity face. An annular groove and radial apertures are provided along the outer surface of the plunger. The inlet cavity communicates with the exit cavity of the body by means of an axial channel that is closed by a spring-loaded plunger with the ability to freely move it through the through-hole of the stop forming a cavity. Both plungers are spring-loaded by elastic elements. At the same time one of the ends of the plunger is made conical with the collar, which is the spring stop. In the stop, a channel is provided that communicates the exit cavity of the locking device with the high-pressure line located between the orifice of the locking device and the hydraulic distributor.EFFECT: simplifying the design of the hydraulic drive safety system against unauthorized discharge of the working fluid.1 dwg

Blisk of cooled fuel feed pylons // 2642718
FIELD: engines and pumps.SUBSTANCE: each pylon has three channels plugged from side, open ends of two of these channels are closed by plugs, channels are connected by holes, and in central channel there is a damper with several holes.EFFECT: elimination of pylons burnout at high thermal loads, enhanced reliability of blisk of fuel supply, expanded performance range of fuel consumption at practically constant pressure drop on nozzles for improvement of combustion efficiency of fuel-air mixture.2 cl, 4 dwg

Free-stream turbine with flow energy concentrator and hydraulic unit with such turbine // 2642717
FIELD: power industry.SUBSTANCE: in the opening of the supporting frame (1) a rotating rotor with paddles (4) attached to its shaft (2) is installed. Flow energy concentrator is designed as two partitions (6) of aperture, the ends (7) of which adjoin with clearance (8) to the cylindrical surface (9), swept by blades (4) when the rotor is rotating. In the partitions along the ends (7), on one or both sides of the opening of the frame (1), grooves (10) of the rounded profile are formed.EFFECT: increase in the coefficient of utilisation of the flow kinetic energy and increase in the cost-effectiveness of material on the concentration of free-flow energy.7 cl, 3 dwg

Rotary machine (versions) and method of composite working wheel fastening on metal shaft of rotary machine // 2642716
FIELD: machine engineering.SUBSTANCE: rotary machine comprises a stator and a rotor rotatable with relative to the stator and having a metal shaft, a composite working wheel and at least a first metal ring fastening the composite working wheel on said metal shaft. The composite working wheel comprises a composite portion and a metal fixing portion connected to each other, and having a bushing and a radially extending portion that extends radially outward from the bushing. The metal ring has a first engaging surface with a metal fixing portion of the composite working wheel and a second engaging surface with a metal shaft, thereby force applied by the metal ring to the metal fixing portion of the composite working wheel allows to prevent movement between the composite working wheel and the metal shaft. According to another version, the metal ring is mounted on metal fixing portion of the composite working wheel and the metal shaft by a hot fit. When the composite working wheel is secured on the metal shaft of the rotary machine, the composite working wheel is mounted on the metal shaft, and the first metal ring is heated. The metal ring is then mounted on the metal shaft in order to cool and shrink the metal ring for engaging the metal fixing portion of the composite working wheel and the metal shaft.EFFECT: group of inventions allows to secure the working wheel including the composite portion to the metal shaft and protect such working wheel from heat radiation of metal fixing ring.7 cl, 12 dwg

Two-stage vacuum burner // 2642715
FIELD: power industry.SUBSTANCE: three-vortex vacuum burner-reactor (100) for mixed fuels contains an intake manifold (150) which includes a vacuum chamber, a nozzle inlet for compressed air into a vacuum chamber, a nozzle for compressed air entering the vacuum chamber through the nozzle inlet for compressed air, and an ejector release, at that, the intake manifold (150) is configured with the possibility of feeding gaseous fuels to primary combustion chamber (110), the primary combustion chamber (110) which has with a cylindrical external part and a conical inner part. The conical inner part has a first end with a smaller diameter and a second end with a larger diameter. The first end of the conical inner part is connected to the inlet manifold (150). Conical inner part additionally includes the first group of directing blades; a reducing nozzle (120) connected with the second end of the conical internal part of the primary combustion chamber (110). The reducing nozzle (120) has the first part in the form of a truncated cone with a larger diameter, connected with the primary combustion chamber (110), and a second cylindrical part which continues from the first part of a smaller diameter in the form of a truncated cone; injectors (140) perpendicular to the first part in the form of a truncated cone of the reducing nozzle (120) and configured with the possibility of fuel injection into the primary combustion chamber (110); and a cylindrical secondary chamber (130), having a second set of directing blades configured with the possibility of channelling air into the secondary chamber (130). The smaller the diameter of the primary combustion chamber (110) at its first end, the larger diameter of the primary combustion chamber (110) at its second end and the first group of three directing blades form three vortexes of fuel to maintain fuel rotation to the outer part of the burner-reactor (100) and slowing down the movement of fuels to ensure complete combustion.EFFECT: invention makes it possible to improve the quality of fuel combustion.8 cl, 8 dwg, 1 tbl

Gas turbine with bilateral drive // 2642714
FIELD: power industry.SUBSTANCE: gas turbine system comprising a gas turbine (23), a first load (71) and a second load (72) driven by a gas turbine. The gas turbine (23) comprises a gas generator (27), a low pressure turbine (50) and a drive shaft (65) driven by a low pressure turbine (50). The drive shaft has the first end (65H) connected with ability to transmit the driving force to the first load, and the second end (65C) connected with ability to transmit the driving force to the second load. The first load and the second load are located on opposite sides of the gas turbine, wherein the drive shaft (65) extends axially through the gas turbine from the first end to the second end. Wherein, the first load and the second load contain a compressor with a vertical housing connector. Method for operating gas turbine system is also provided.EFFECT: invention allows to increase the efficiency of system.14 cl, 5 dwg

System for processing stripping gas // 2642713
FIELD: machine engineering.SUBSTANCE: stripping gas processing system includes a compressor 100 compressing the stripping gas which is generated in tank T for storing liquefied natural gas of a ship or floating structure, a heat exchanger 200 that cools the stripping gas compressed by the compressor 100 by means of heat exchange with stripping gas supplied to the compressor 100, an expansion device 300 which performs adiabatic expansion of the stripping gas, a gas-liquid separator 400 which performs gas/liquid separation of the stripping gas and supplying liquefied natural gas to the tank T. The system also includes a bypass line, through which stripping gas subjected to adiabatic expansion is fed from downstream position from the device 300 to downstream position from the separator 400.EFFECT: providing efficient processing of the stripping gas.9 cl, 7 dwg

Afterburner combustion chamber of turbojet engine // 2642712
FIELD: engines and pumps.SUBSTANCE: afterburner combustion chamber of turbojet engine contains chassis, connected to the turbine, nozzle, fuel, or fuel-air collectors, injectors are connected with the jets. The spray nozzles are equipped with micro-swirlers. Each of the micro-swirlers is a cone-shaped nozzle casing with roundings of a small radius R at the base of the cone located near the atomizer. Nozzles with a micro-swirl are connected behind the manifolds by the flow of air so that the injected fuel or fuel-air mixture coincides in the direction of travel with the flow of air and combustion products behind the turbine in the afterburner combustion chamber. At the base of the cone of the nozzle body is a cylindrical spray nozzle.EFFECT: invention allows to reduce emissions of harmful substances into the atmosphere and decrease the length of the afterburner combustion.2 cl, 3 dwg

Fuel supply circuit and cooling method // 2642711
FIELD: aviation.SUBSTANCE: invention relates to a power supply circuit (6) for supplying a rocket motor (2) with at least the first liquid fuel. The mentioned power supply circuit comprises at least one buffer tank (20) for the first liquid fuel and the first heat exchanger (18), which is embedded in the mentioned buffer tank (20) and suitable for connecting to the cooling circuit (17) for cooling at least one power source to cool the mentioned heat source by transferring the heat to the first fuel.EFFECT: improved cooling of aircraft heat sources.11 cl, 3 dwg

anagement device for internal combustion engine, emissioning emissions of white smoke // 2642710
FIELD: engines and pumps.SUBSTANCE: control device for the internal combustion engine includes an exhaust gas control device in the exhaust system of the internal combustion engine. The exhaust gas control device comprises an intake air volume regulator, a temperature sensor and an electronic control unit. The temperature sensor has the ability to measure the temperature of the exhaust gas control unit. The electronic control unit has the ability to estimate the amount of sulfur compound accumulation. The value of sulfur compound accumulation is the amount of sulfur compound accumulated on the exhaust gas control device. When a specific condition in which the value of the accumulation of sulfur compounds is equal to or above a predefined magnitude accumulation (S1) and the temperature of control device with exhaust gases is equal to or above the predefined temperature (S2) is satisfied in operational state, the electronic control unit manages the intake air volume regulator so that the intake air volume controller increases volume of suction air (S5) compared with, when a particular condition is not satisfied in the same operational state (S4).EFFECT: more accurate determination of the amount of sulfur compound accumulation.5 cl, 7 dwg

Refrigerating unit with evaporator and method for manufacture of evaporator for refrigerating unit // 2642709
FIELD: human vital needs satisfaction.SUBSTANCE: refrigerating unit with an evaporator (103) for refrigerant evaporation includes an inlet tube (105) for refrigerant inlet, containing a pipe region (107) with the first flow cross section and a narrowing region (109) with the second flow cross section. The second flow cross-section is smaller than the first flow cross-section. The narrowing region (109) is formed by several concave surfaces of the inlet pipe (105) wall. The pipe (105) is located on the outlet side of the throttling body.EFFECT: creation of a refrigerating unit with an evaporator, in which the noise arising when the refrigerant is pumped into the evaporator is reduced.13 cl, 15 dwg

Steam power plant with spindle leak steam pipe line // 2642708
FIELD: power industry.SUBSTANCE: invention relates to a steam power plant (1), including a steam turbine (2), a steam pipe (5), hydraulically connected to the steam turbine (2, 2a, 2b) and designed for the steam passing, a valve (3, 4, 6, 7) fixed in the steam pipe (5) and designed to change volume flow of the steam in the steam pipe (5). In the operating mode, a spindle leak steam is formed in the valve (3, 4, 6, 7), hydraulically connected to a pipeline (11, 12, 13, 15, 17, 18, 19, 20) of the spindle leak steam, a collector (16) of the spindle leak steam, hydraulically connected to the pipeline (11, 12, 13, 15, 17, 18, 19, 20) of the spindle leak steam characterized in that in the pipeline (11, 12, 13, 15, 17, 18, 19, 20) of the spindle leak steam an armature is installed (14a, 14b). The collector of the spindle leak steam is made in the form of a condenser (8). Also, a method for operating the plant is also provided, characterized in that the armature (14a, 14b) is opened with the presence of the spindle leak steam in front of the armature (14a, 14b) and is again closed with the absence of release of the spindle leak steam from the valve (3, 4, 6, 7).EFFECT: simplify the design and increase reliability in operation.8 cl, 1 dwg
Set of cylinder head and engine block // 2642707
FIELD: engines and pumps.SUBSTANCE: single cylinder head of a cylinder (1) for installation on one of the multiple cylinder sections of a large internal combustion engine comprises a cylinder head body (2) having a gas system side (6), a rod pusher side (8) located opposite the gas system side (6) and a circular surface of the cylinder jacket (4) with a nozzle central hole (10), a pair of inlet holes and a pair of outlet holes. The nozzle central hole is in the center of the circular surface of the cylinder jacket (4). The central axis passes through the nozzle central hole from the gas system side (6) to the rod pusher side (8). The pair of outlet holes and the pair of inlet holes are on the opposite sides with respect to the central axis. A nozzle central recess (18) passes through the cylinder head body (2) to the nozzle central hole. The channel system of gas inlet (20) passes from the gas system side (6) through the cylinder head body (2) to the pair of inlet holes. A gas discharge channel system (22) passes from the pair of outlet holes through the cylinder head body (2) to the gas system side (6). The channel of the rod pusher (28) passes through the cylinder head body (2) on the rod pusher side (8). In total, there are five-cylinder attachment holes (30, 32, 34, 36, 38) passing through the cylinder head body (2) on the outer circular area of the single cylinder head (1). In total, there are five-cylinder attachment holes (30, 32, 34, 36, 38) arranged at a different distance from each other around the nozzle central recess. The engine block for a large internal combustion engine and the large internal combustion engine are also disclosed.EFFECT: optimised structure of intake air circulation channel and exhaust gas, increased rigidity of the structure.15 cl, 7 dwg

The wind-generating tower // 2642706
FIELD: machine engineering.SUBSTANCE: wind-generating tower includes a wind farm section and a section of energy conversion, has many levels of wind-entries, through which the wind enters and passes through the inner volume of the tower of the wind generator and is removed outside, the wind farm section has many wind-entries and many wind outputs, and around the center of the tower of the wind generator a plurality of wind deflecting walls are radially arranged in such a way that the wind coming through the wind-entries flows radially in the direction of the energy conversion section through the wind outputs, the wind turbine with vertical shaft having vertical blades in the space formed at the center of each of the levels of the tower of the wind generator is installed in the energy conversion section in such a way that a wind channel of at least 1 m length is formed between the wind deflecting walls and the vertical blades and the wind coming through the wind-entries and the wind outputs of the wind farm section, flows through the wind channel, formed radially in the direction of the energy conversion section and is removed outside from the wind generating tower.EFFECT: increase the efficiency of use of the wind rotating blades.8 cl, 9 dwg

ethod of heat treatment of round logs // 2642705
FIELD: wood processing industry.SUBSTANCE: method of heat treatment of round logs, mainly used as structural materials for the construction of walls of wooden buildings, is that before the beginning of heat treatment along the entire length of each log in the transverse direction, holes are uniformly drilled to penetrate the drying agent, not reaching the 2.5-3 cm to the center of the log, herewith each drilling is carried out with a displacement along a spiral trajectory, at the ends of the logs holes are drilled for a length of at least 0.5-1 meter diameter, commensurate with the core of the round log, and the heat treatment of the round log is carried out with the bark.EFFECT: reduction of rejects during a high-temperature treatment of round logs.2 dwg, 2 tbl

ethod of periodic gas compression // 2642704
FIELD: engines and pumps.SUBSTANCE: method of periodic gas compression, including a cycle of supplying the working fluid under pressure from the feed tank to the compression chamber while simultaneously displacing gas from its upper part into the pressure line through a discharge valve and, as the level of the working fluid in the compression chamber reaches its maximum position, switching the compression chamber to the drain mode, the cycle of emptying this chamber from the working fluid with simultaneous supply of compressed gas into it through a suction valve and, as soon as the level of working liquid reaches its minimum position, repetition of cycles. The cycle of emptying the compression chamber from the working fluid is carried out without stopping its supply by the pump to the compression chamber, and the emptying of this chamber from the working fluid is carried out at a flow rate exceeding the supply of the working fluid pump.EFFECT: simplifying the method and increasing the reliability of the compressor.1 dwg
ethod and device for thermal processing of wood in the high-speed circulation of products of combustion of gas fuel and additional load at stack // 2642701
FIELD: wood industry.SUBSTANCE: method is carried out by: burning gas fuels - natural or liquefied gas with gas burners in a furnace with an open combustion chamber located inside the wood drying chamber, high-speed circulation of the drying agent - a mixture of gas combustion products with water vapour over the stack, continuous measurement by electronic temperature sensors "t" and relative humidity "ϕ" the gaseous medium, the automatic maintenance of the temperature"t"of the gaseous medium as a function of humidity "ϕ" when drying and as a function of time τto6p at heat treatment, which are selected from the developed table of drying regimes for the rock data and the thickness of the assortment and the time of the heat treatment process, the forced loading of the timber in the stack and the exclusion of outside air inside the chamber when the process is stopped. The device for drying and heat treatment of wood contains two axial marching fans, a gas furnace with an open combustion chamber, an automatic process control system, a reinforced concrete slab or a set of spring ties, a folding rails section, external stationary rails, a pallet truck and a U-shaped exhaust pipe.EFFECT: improving the quality of drying and heat treatment of wood, reducing the percentage of rejects of finished products.2 cl, 11 dwg, 2 tbl

Contact target sensor // 2642696
FIELD: weapons and ammunition.SUBSTANCE: invention relates to the field of armaments and can be used in weapons of bursting munitions. Contact sensor contains a housing with an electric line, an electrical outlet, and sensing elements. Sensor element of the sensor is made in the form of a microelectromechanical system – MEMS device. This device is provided with the ability to operate under overload. Sensor has an electronic time block. Electronic time block provides the possibility of counting the time of the overload, and the formation of a control signal in the event that the measured time exceeds a certain value. In this case, the MEMS device is arranged in such a way that the operation is provided under the effect of an overload exceeding the threshold level, The input of the MEMS device is connected to the electrical conductor of the contact sensor. Other contact is connected to the input of the electronic time block. Latter provides the possibility of counting the time of the overload action exceeding the threshold level and forming, in case of exceeding the detected time, a certain value of the control signal at the output of the unit. Output of the electronic time unit is connected to the input of the second MEMS device, and the output is connected to the output of the contact sensor. Second MEMS device is arranged in such a way that the actuation is provided by the centrifugal force generated by the rotation of the contact sensor.EFFECT: increase the reliability of the contact sensor of the target by providing increased resistance to small-scale interference on the trajectory.3 cl, 2 dwg

Contact sensor // 2642695
FIELD: weapons and ammunition.SUBSTANCE: invention relates to the field of armaments and can be used in weapons of bursting munitions. Sensor contains a housing with an electric line and an electrical outlet. Sensor element of the sensor is made in the form of a microelectromechanical system – MEMS device. This device is provided with the ability to operate under overload. an electronic time block providing an overload time counting time exceeding a threshold level, and the formation of a control signal in the event that the measured time exceeds a certain value. In this case, the MEMS device is arranged in such a way that the operation is provided under the effect of an overload exceeding the threshold level, acting along the longitudinal axis of the trigger mechanism. Input of the MEMS device is connected to the electrical conductor of the contact sensor. Output of the MEMS device is connected to the input of the electronic time block providing the counting of the duration of the longitudinal overload action and the supply of the target identification signal exceeding the threshold level and forming an electric pulse at the output in case of exceeding the duration of the overload action exceeding the threshold level of a certain time value.EFFECT: increase the reliability of the device due to the contact sensor of increased sensitivity during interaction of the ammunition with the purpose, Increase of security in the service circulation and resistance to the impact of small-scale interference on the trajectory.4 cl, 2 dwg

Supersonic projectile // 2642693
FIELD: weapons and ammunition.SUBSTANCE: in a supersonic projectile the rudders are placed on the pointed nose of the hull at a distance from the front end of the projectile selected within the values calculated by the formula: . Each of them is equipped with an aerodynamic fairing made in the form of a rotation body, protruding beyond the front edge of the rudder by the value (0.10-0.25)ar. The longitudinal axis of the fairing is displaced from the root chord by a distance (0.15-0.35)br. The arc-shaped blades of the stabiliser are shifted from the bottom cross section of the jet engine towards the nose of the hull by (0.3…0.6) d and are fixed on the axes parallel to the longitudinal axis of the projectile shell. The arc-shaped blades of the stabiliser are oriented by convex surfaces in the clockwise direction in a rear view, where Lp is the distance from the nose to the middle of the root chord of the rudders; Lm.c. is the distance from the nose of the projectile to its mass center after fuel burnup of the jet engine; L is the length of the projectile; Lstab is the distance from the nose of the projectile to the middle of the root chord of the stabiliser blades; is the relative area of the projections of 2 stabiliser blades; Sstab is the area of the projections of 2 stabiliser blades; is the area of the midship section of the projectile; d is the calibre of the projectile; k=(8-16)[1+0.1(n-3)] is the coefficient which takes into account the number of the stabiliser blades; nbl=3-6 is number of stabiliser blades; is the relative area of 2 rudders; Sp is the area of the projections of 2 opposite rudders; br is swing of one rudder; ar is the length of the root chord of the rudder.EFFECT: invention allows to create a supersonic projectile of multiple-launch system with increased firing range due to the rational selection of the ratios of the airframe geometric parameters and to ensure maximum aerodynamic quality, increased combat effectiveness due to reduced dispersion of aeroballistic characteristics, increased accuracy of firing.1 dwg

Supersonic projectile // 2642692
FIELD: weapons and ammunition.SUBSTANCE: supersonic projectile consists of a head and a missile parts with cylindrical thickenings on the outer surface of the housing. The cylindrical thickenings are made with diameter d1=(0.98-1) d with a relative elongation of and are located at a relative distance from each other . The transition at thickenings from a smaller diameter to a larger one is carried out at an angle of not more than 25°, and a decrease in diameter d2 behind the thickenings is (0.3-1.5) % of d1. The first cylindrical thickening is located at the head part in the area of the junction with the missile part and at least two cylindrical thickenings have a diameter equal to the diameter of the midsection - d.EFFECT: invention allows to create a supersonic projectile of multiple-launch system with increased firing range, dispersion and accuracy by reducing resistance characteristics during body flow with incoming air and ensuring alignment of the projectile from the guiding fighting vehicle during loading and starting.1 dwg

Electrodetonator with safety function // 2642689
FIELD: weapons and ammunition.SUBSTANCE: invention relates to the field of armaments and, in particular, to the means of initiation – low-voltage semiconductor electric detonators, and can be used as a small-sized weapon for initiating ammunition. Electric detonator contains a body with terminals. Inside the case there is a charge of explosive, initiator with terminals, three or more keys, made in the form of microelectric systems – MEMS keys. These keys are open in the initial position and are provided with the possibility of operation under overload. Electronic time block provides the possibility of counting the time of the overload. One of the MEMS keys is located in such a way, that the contact closure is provided under the effect of an overload exceeding the threshold level acting along the longitudinal axis of the electric detonator. One of the contacts of this MEMS key is connected to the electric detonator's current lead. Other contact is connected to the input of the electronic time block. Other two or more MEMS keys are electrically connected in series and arranged in such a way, that the closing of contacts is provided under the action of a centrifugal force when the electric detonator rotates about the longitudinal axis. These MEMS keys are arranged around the rotational axis of the electric detonator, preferably diametrically opposite. Chain of MEMS keys connected in series is connected to one side of the electronic time block by one side and connected to the electrical outlet of the initiator by the other side.EFFECT: increase reliability and safety of a small electric detonator.1 cl, 1 dwg

Inertia sensor // 2642688
FIELD: weapons and ammunition.SUBSTANCE: invention relates to the field of armaments and, in particular, to the starting devices of rocket shells. Sensor contains a housing with an electric line, an electric outlet and a key made in the form of a two-component microelectromechanical system - the MEMS key. Latter contains two electrically independent contact groups that are open in the initial position. These groups are provided with the possibility of triggering under the action of an overload and are designed in such a way, that the closure of contacts of different groups is ensured by the action of forces whose directions of action for different contact groups are mutually perpendicular. Electronic time block provides the possibility of counting the time of the overload, exceeding the threshold level and forming an electric pulse at the output in case of exceeding the duration of the overload action exceeding the threshold level of a certain time value. MEMS key is located in the housing of the inertial sensor in such a way that the closing of contacts of one group is provided under the effect of longitudinal overload, and the closing of the contacts of the other group is ensured by the action of centrifugal forces when the inertial sensor rotates about the longitudinal axis. One of the contacts of the group is provided with the possibility of operation under the action of longitudinal overload. It is connected to the electric motor of the inertial sensor. Another contact is connected to the input of an electronic time block whose output is connected to one of the contacts of the group. It is provided with the possibility of triggering under the action of centrifugal force. It is connected to the electric motor of the inertial sensor.EFFECT: improvement of the overall mass characteristics of the launching device, increasing the reliability of its operation during combat use, and increasing security in service circulation.1 cl, 1 dwg

Rotary mechanical system with non-contact drive // 2642683
FIELD: aviation.SUBSTANCE: mechanical system (10) contains shaft (12), rotatable about its primary axis relative to the structural element (14), movable part (16), mounted on the shaft (12) rotatably with it about the primary axis (A) and moving at random relative to the shaft (12), the driving facility (18) to move the movable part (16) relative to the shaft (12). The driving facility comprises the first fastened section (20), which is mounted on the structural element (14) and the second movable section (22), which is mounted on the shaft (12) and is connected to the movable part (16). The driving facility (18) consists of the electromechanical drive with the air gap between the first section (20) and the second section (22).EFFECT: reduction of friction between the moving parts.9 cl, 5 dwg

Screw pump // 2642681
FIELD: engines and pumps.SUBSTANCE: screw pump consists of a cylindrical body, inside of which a shaft is provided coaxially with it, equipped with a volume screw thread. The shaft is fixed to the first support, and through the second support is connected to the motor. The cutting is performed by an external, single-step, multi-turn with a given pitch. Cutting is by first supports specified number of voluminous turns connected via screw grooving having a diameter, the smaller than the diameter of the shaft by a specified amount, with an equal number of cylindrical volumetric cavities, performed with the specified step in the spaces between the turns of slicing. The cavities communicate with through holes, made in a predetermined amount in the body, for passage of liquid from the outside, further movement and injection through the partially cut last coil into the outlet chamber of the pumped liquid. The exit chamber is formed between the shaft end and its second support.EFFECT: increasing pump capacity by increasing the efficiency of pumping liquid.3 cl, 1 dwg

Wave transmission // 2642676
FIELD: machine engineering.SUBSTANCE: wave transmission contains an elliptical wave former, a flexible wheel mounted on rollers placed on the wave former, and a rigid gear wheel. The flexible wheel is made with an annular rib at the end, and the grooves on it are made with cylindrical surfaces along the edges and are arranged symmetrically in two rows on each side of the gear ring, with one set of grooves half offset.EFFECT: increased loading capacity of the wave transmission.3 dwg

Device for desalination of sea water // 2642658
FIELD: machine engineering.SUBSTANCE: device for desalination of sea water includes a body located inside and fixed on the frame structure with a suction valve, and a valve for discharging concentrate by a plunger pump, the movement of vertically arranged plunger working on reverse osmosis principle and containing a coiled flexible material that is twisted in shape of cylindrical pipe which is a reverse osmosis membrane, to the lower position passing beyond the limits of the body under the action of its weight, and lifting to the upper position is performed by a flexible coupling, one end of the lifting device is connected to the lower end of the plunger, and at the other end connected to a source of unidirectional intermittent motion in the form of sea wave energy converter.EFFECT: simplified design and improved reliability.8 cl, 1 dwg

Improved method of mass production of phosphoric acid with application of rotation furnaces // 2642651
FIELD: chemistry.SUBSTANCE: method involves the following steps: (1) primary processing of raw materials, (2) preparing internal areas of the granules, (3) forming composite pellets, (4) restoring composite pellets on heating method, and (5) hydrating and absorbing phosphorus.EFFECT: energy-saving, environmentally safe and highly efficient process, which allows to produce high-quality phosphoric acid.13 cl, 20 dwg
Explosion-protection structure for fencing explosion-hazardous premises of production facilities // 2642619
FIELD: safeguards; explosion-protection devices.SUBSTANCE: invention relates to explosion-protection devices used in explosive objects. Technical result is achieved by the fact that in explosion-protection structure for fencing explosion-hazardous premises of production facilities, containing reinforced concrete panels of size 6000×1800 mm with perimeter strap for transportation, panel is made in the form of depressions in the building wall and is formed by the planes of a regular quadrilateral truncated pyramid with a circular base, inscribed in its faces in the form of a hole with diameter Dy, there is a body base, made in the form of a plate with a central hole of diameter Dy, equal to the diameter of the hole in the building fence, which is covered by a lined cargo gate movably connected to the base by means of at least three flexible connections, for example in the form of chains, one end of which is hingedly connected to the cylindrical part of the body, and the other one is hingedly connected to the cargo gate, the cylindrical body part is connected to the middle conical and upper cylindrical parts, and in the cylindrical body part, adjoining the conical part, there is a circular diaphragm with a central hole and with at least three holes located in its peripheral part, and between the circular diaphragm and the lined cargo gate there is a bushing made of a rapidly disintegrating material, for example glass, of the "triplex" type, whose strength is calculated for a certain overpressure in the explosion-protection structure, and there is rod coaxial to the bushing, made of a rapidly disintegrating material, axisymmetric to a hole of diameter Dy and fixed to the base of the body on the lined cargo gate, right part of the rod is axisymmetrically located in the central hole of the circular diaphragm.EFFECT: technical result is increased reliability and efficiency of safe operation of explosion-hazardous premises of production facilities.1 cl, 2 dwg

Part made of ceramic material with base and wall // 2642606
FIELD: machine engineering.SUBSTANCE: ceramic material part comprises a part forming a base and a part forming a wall. The base is made of ceramic material of low porosity, and the wall contains a low-porosity shell and a core inside the shell. The porosity of the core is greater than the porosity of the base increasing with distance from the base. The base and the wall are obtained by ceramic powder sintering. The wall is formed in a powder-containing vessel by selectively sintering the powder by successive layers by a laser beam or an electron beam.EFFECT: reduced level of stresses in the part base.11 cl, 5 dwg

Starting mechanism // 2642584
FIELD: weapons and ammunition.SUBSTANCE: invention relates to weapons. Starting mechanism includes a housing with an electric branch and an electrical outlet, inside which there are two microelectromechanical systems keys, opened in the initial position and triggered by overload, an electronic time block providing an overload time counting time exceeding a threshold level, and forming a control signal at the output, in the event that the recorded time exceeds a certain value. One of the MEMS key is located in such a way that the closing of the contacts is carried out under the influence of an overload exceeding the threshold level, acting along the longitudinal axis of the trigger mechanism. Another MEMS key is located in such a way that the closing of the contacts is carried out under the action of a centrifugal force, when the trigger is rotated relative to the longitudinal axis. One of the contacts of the MEMS key activated under the action of longitudinal overload is connected to the electric motor of the trigger mechanism, and the other contact is connected to the input of the electronic time block, the output of which is connected to one of the terminals of the MEMS key triggered by the centrifugal force, the other contact of which is connected to the electric output of the trigger.EFFECT: invention makes it possible to achieve an improvement in the mass-dimensional characteristics of the trigger mechanism and an increase in the level of reliability of operation during combat use.1 cl, 1 dwg

Safety-actuating mechanism // 2642583
FIELD: blasting operations.SUBSTANCE: invention relates to explosive engineering and can be used in fuses of projectiles. Safety-actuating mechanism comprises a housing with current leads, inside which is placed electric detonator with electrical leads, three or more MEMS keys, made in the form of microelectromechanical systems, opened in the initial position and triggered by overload, electronic time block that provides a countdown of the overload time exceeding the threshold level and forms electrical signal at the output in the event that the recorded time exceeds a certain value. One of the MEMS keys is located in such a way that the contacts are closed when the projectile contacts the obstacle under the influence of overload, exceeding the threshold level acting along the longitudinal axis of the safety-actuator. Other two or more MEMS switches are arranged in such a way, that the closing of the contacts is effected by the action of a centrifugal force when the safety-actuator rotates about the longitudinal axis, wherein the MEMS switches are disposed relatively to the longitudinal axis, preferably diametrically opposed. MEMS-key, triggered by longitudinal overload, one of the contacts is connected to one of the safety-actuator's current leads, and the other one is connected to the input of the electronic time block, output of which is connected to one of the electrodes of the electric detonator. MEMS keys, triggered by centrifugal force, are connected in series to the electrical circuit, one end of which is connected to the second actuator of the safety-actuator, and the other end is connected to the second electric outlet of the electric detonator.EFFECT: invention allows to create a device characterized by improved overall mass characteristics, increased reliability indicators for combat use and increased safety in service circulation.1 cl, 1 dwg

Igniter // 2642570
FIELD: electricity.SUBSTANCE: device includes a tubular body rigidly coupled to the axial sleeve of the initiator, the igniter capsule of which, engaged with the point of the external firing mechanism, is installed in the central fire-transfer channel above the receiver connected through reversible communication channels to the drainage windows of the body, geometrically closed with the opposite end flange of the executive shell. The multilayer pyro-powder shell equipment consistently contains of end-burning charges: smoky rifle powder, the main and reinforcing, adjacent to the exit nozzle of shell. The main charge of executive shell equipment represents a set of layers of slowly burning pyrotechnic compositions. The reinforcing charge is made of ignition enhancer composition and equipped with a charge hollow facing the exit nozzle. The ignition charge of executive shell equipment is predominantly made of spark-formed pyrotechnic composition.EFFECT: igniter operation is ensured with high precision of combustion thermodynamic mode of it shell equipment with precise accuracy of time delay from initiating an igniter capsule to enhanced spark-formed torch on the executive charge of the main device, expanding scope.2 cl, 2 dwg

Illumination ammunition // 2642569
FIELD: weapons and ammunition.SUBSTANCE: device contains a warhead-placed impact fuse that communicates through a throttling sleeve with a firing layer of a gas generating expulsion charge, on which a set of longitudinal stars installed in a cylindrical body, rests. The set is associated with a detachable shank equipped with aerodynamic blades. The body is made of coaxial shells rigidly connected by end bridges, bulk ballast, mainly sand is placed in the gap therebetween. The expulsion charge is a pyrotechnic flash-light, and the stars are installed in a cylindrical sleeve equipped with a central locking pin. The shank has a weakened cross-section along the generatrix, while a power plate bearing a mounting ring is fixed on the outer shell of the body.EFFECT: expanded technological possibilities of using the ammunition which is used as an aviation light to indicate the impact point and illuminate the territory, at a smoke alarm clearly visible and distinguishable at a distance.2 cl, 2 dwg
ethod of target register using quadcopter // 2642554
FIELD: weapons and ammunition.SUBSTANCE: target register (1) is performed using a quadcopter (3) with a video camera (2) and a control panel with a tablet (4). The scale of the video image is determined in the region of the target by measurements of the distance in millimetres between the points of break of two near-point smoke ammunitions on the tablet, shooting of ammunitions is carried out with the installations of the sights which differ by 200 m. Longitudinal deviations and direction of impact point of the second register ammunition is measured on the tablet in mm with regard to the target and with the consideration of scale. The calculated corrections with the consideration of deviations received on the video image are introduced in sight for a shot with a live ammunition.EFFECT: improvement in precision of target registering under the absence of direct sight of the target at the minimum consumption of ammunition and reduction of the risk for observer's life without use of optical instruments, sound and radar stations.2 dwg

Compressor and air-conditioning device, using it // 2642550
FIELD: ventilation.SUBSTANCE: air conditioner with compressor uses R32 refrigerant. It contains the compressor for the refrigerant compressing; the external heat exchanger; the internal heat exchanger; and the expansion valve for reducing the refrigerant pressure, at that the refrigerant is formed from hydrofluorocarbon (HFC); the compressor comprises the compressor unit for compressing the refrigerant, the electric motor unit to transmit the rotational force to the compressor unit through the rotating shaft, connected to the compressor unit and the compressor oil storage section for containing the compressor oil in order to reduce the friction between the rotating shaft and the compressor unit and to reduce the compressor temperature; and the oil contains the carbon nanoparticle, wherein the compressor oil volume is about 35-45% of the effective volume of the compressor interior part, at that the effective volume is the volume, obtained by subtracting the volume of the motor unit and the compressor unit from the total volume of the compressor.EFFECT: increase of the compressor reliability and efficiency, when using the refrigerant, based on HFC.13 cl, 15 dwg

Insert for a vehicle support, device using the insert and the vehicle containing the device // 2642540
FIELD: transportation.SUBSTANCE: insert comprises a head from which the elongated body extends along the longitudinal axis Z and is configured to change its state by rotating the insert around the longitudinal axis Z between a locked condition in which the head and the stop formed on the elongated body interact with the axial locking element, carried out on the support to prevent the insert from moving forward relative to the support along the longitudinal axis Z, and an unlocked state in which the elongate body of the insert can be inserted into the opening of the support or retrieved from the aperture of the support. The insert comprises a first rotation locking element mounted on the head and configured to prevent the insert from rotating about the longitudinal axis Z by interacting with the second rotation locking member provided on the support when the insert is in the locked state. The head contains an axial lock made interoperable with emphasis to ensure axial locking supports between the focus and the specified element axial lock, which is executed in the form of projections on the surface of the head, which is the first element of the lock. The locking element is configured to leave a free space between the mentioned head surface and the support in the locked state to provide access to the first locking element.EFFECT: increase the reliability of fixing the insert in its locked state.8 cl, 10 dwg

Locking element and mounting system for fastening part mounted on c-shaped bus // 2642532
FIELD: machine engineering.SUBSTANCE: mounting system for fastening the c-shaped bus comprises two laterally spaced arms and two enclosing strips facing towards the mounted part and located at a distance from each other. The mounted part can be pressed against the outer surfaces of the two enclosing strips of the c-shaped bus by means of a threaded joint. The system comprises a locking element in the form of a clamp and comprising two arms which at least partially enclose two laterally located arms and two enclosing strips of c-shaped bus placed at a distance from each other. The locking element is configured for connecting to the c-shaped bus by means of a threaded joint. If mounting system is used properly, the locking element is placed between the hinged part and the enclosing strips, so that the two arms of the locking element at least partially enclose the two side arms of the c-shaped bus. The threaded joint comprises a screw with a head and a slide nut or screw with t-shaped head and a nut, and a spacer is arranged between the slide nut or screw head with t-shaped head and locking element.EFFECT: prevention of bending of the c-shaped bus under load.9 cl, 2 dwg

Internal combustion engine control system // 2642518
FIELD: engine devices and pumps.SUBSTANCE: control system of the internal combustion engine performs the control of the normal operation mode including lean control for setting air-fuel ratio of exhaust gas coming into an exhaust gas purification catalyst, on lean air-fuel ratio, and rich control for setting air-fuel ratio of exhaust gas coming into the exhaust gas purification catalyst to the rich air-fuel ratio. The control of the normal operation mode includes control of the reference estimated decrease which reduces the estimated reference amount of accumulation in the lean control when during the period of execution of the lean control, the air-fuel ratio of the exhaust gas flowing from the exhaust gas purification catalyst becomes lean estimated air-fuel ratio or more. The control system estimates that the exhaust gas purification catalyst is defective when the estimated reference amount of accumulation becomes smaller than the estimated wear value.EFFECT: creation of the internal combustion engine control system provided with the exhaust gas purification catalyst having an oxygen accumulation capacity that suppresses NOX release.4 cl, 17 dwg

Casing shell of aircraft // 2642471
FIELD: aviation.SUBSTANCE: for a shell with a long generatrix L and a smooth bearing wall of thickness δ of casing of cylindrical, conical or biconical form - in the wall of the shell from one or two ends axisymmetrically blind holes of diameter d and length l1, l2 are made in the way that δ=d+2(0.5-4.0) mm, L=(l1+l2)+(2-20) mm. A heat accumulating inserts or a balancing mass is installed in one or more cavities of a blind hole. The heat-accumulating insert is made of a material with a phase transition at the temperature not lower than +70°C. In open part of the blind hole, a groove with a diameter D and a depth h is made in a way that D=ƒ+(0.1-0.8) mm, h=S+(0.1-2.0) mm, where ƒ is diameter of the edge of heat-accumulating insert cork, S is thickness of the cork edge.EFFECT: improvement of the criterion of efficiency - cost - time of creation and development.4 cl, 5 dwg
Illuminated panel for escalator, moving sidewalk or lift // 2642464
FIELD: lighting.SUBSTANCE: panel (20) illuminated by at least one lighting device has a structure comprising a plurality of layers (61, 62, 63, 64, 65). The side surfaces (61A, 61B, 62A, 62B, 63A, 63B, 64A, 64B, 65A, 65B) of each layer (61, 62, 63, 64, 65) are limited in their planar extension by the section (61C, 62C, 63C, 64C, 65C) of the edge. The layers (61, 62, 63, 64, 65) of the structure are adjacent to each other by their side surfaces (61A, 62A, 62B, 63A, 63B, 64A, 64B, 65B). The first layer (61) is a reflective coating (61), the second layer (62) is a transparent plate (62) made of polymer material, with the possibility of illumination along the edges containing light-scattering particles, the third layer (63) is the first glass plate (63), the fourth layer (64) is a transparent polymer layer (64), and the fifth layer (65) is the second glass plate (65).EFFECT: increased uniformity of lighting.29 cl, 5 dwg

Switching unit of rotary switches for ion transport system // 2642447
FIELD: engines and pumps.SUBSTANCE: system to control ion engines has two power control devices, four ion motors and two switching units . One switching unit of switches is connected to two power control devices and with two of four ion motors. Another switching unit is connected to said two power control devices and with other two ion engines. Each switching unit has first and second switching states which may be selected to enable power supply by any device of power supply control to any ion engine from the first to fourth ones. Each switching unit has a hollow shaft made rotatable and driven by a stepper motor. The ion engine comprises a discharge anode, a discharge cathode, an electrode of a discharge maintenance device, a discharge heater, a neutralizer cathode, a neutralizer heater, screen, accelerator and moderator grids.EFFECT: improved reliability of the switching means.15 cl, 17 dwg
 
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