achines or engines in general and engine plants in general and steam engines (F01)

F01            achines or engines in general; engine plants in general; steam engines(15284)

ethod of profiling a replacement shoot as a replacement parts for old pulley for a turbomachine with a two-direction of the flow // 2629110
FIELD: machine engineering.SUBSTANCE: according to the specified method, the geometric characteristics of the hub contour and the body of the flow channel provided with an old blade are determined, as well as the axial position of the center of gravity of the old blade of the blade, which is clamped in one hub in the hub or in the body. The geometric characteristics of the pen of the replacement blade are calculated such that the blade of the replacement blade at its leading edge is tilted in the upstream direction and has a straight sweep. Specifying the area of the pen of the replacement blade close to the clamping, which is 5% to 15% of the height of the replacement blade. The displacing blade portion of the replacement blade is disposed beyond this region, upstream, until the axial position of the center of gravity of the replacement blade is aligned with the axial position of the center of gravity of the old blade feather. In the region from the side of the clamping line of the contour of the pen of the replacement blade to the displaced portion of the feather of the replacement blade, the leading edge is inclined in the downstream direction to form a transitional sweep in this region. The profiling of the replacement blade is then carried out. Other inventions of the group refer to the rotor blade and the stator blade for the gas turbine manufactured in the above manner, as well as to the corresponding compressor blade.EFFECT: group of inventions makes it possible to increase the aerodynamic efficiency of the turbomachine blades without increasing the load on the fastening elements of the mentioned blades.7 cl, 2 dwg

Turbine with device preventing shroud sealing slippage // 2629105
FIELD: machine engineering.SUBSTANCE: turbine comprises of a couple of neighboring rotary discs which form an annular gap between them and have respective opposite slots for a sealing band that are aligned around the annular gap, and of a sealing band placed in the opposite slots to seal the annular gap. There is one through opening in one of the discs. It runs to said slot designed for the sealing band. There is a contact element extending sideways against the through opening and perpendicular to said longitudinal opening axis. A pin runs in the through opening and located inside the slot for the sealing band. The pin goes through a recess in said sealing band to prevent the sealing band from slipping around at least one disc. The pin consists of an interacting element which runs sideways and coupled with the contact element designed for contact interaction to fix the pin in the recess of the sealing band. The recess of the sealing band includes a notch on the edge of the sealing band, and the pin has a radial inner end in the notch of the sealing band.EFFECT: invention allows avoiding slippage of the sealing band in the disc slot around the turbine disc.7 cl, 8 dwg

Sealing band for turbomachine // 2629103
FIELD: machine engineering.SUBSTANCE: sealing band includes a plurality of sealing strips adjacent to each other and an overlap area and is installed in opposite slots in the annular gap between the rotatable discs of the turbomachine. Adjacent sealing strips contain opposite end surfaces facing each other. The overlap area is fixed adjacent to the end of at least one sealing strip and extends over the end surface of the adjacent sealing strip along the radially-oriented side of the adjacent sealing strip. The overlap area has a width extending across said gap which is smaller than a sealing strip width. Each sealing strip has a width greater than the width of the annular gap, and the overlap area has a width not greater than the width of the annular gap.EFFECT: invention allows increasing the service life of sealing bands in a turbomachine.7 cl, 7 dwg

ixing device for further processing of waste gas // 2628849
FIELD: machine engineering.SUBSTANCE: mixing device (2) includes a casing (4) with an inlet hole (24) provided with an inlet cross section and an inner tube (6) located inside the casing (4) with a mixing area (8) formed inside the inner tube (6). There is a dosing device (10) at the end of the casing (4) for supplying liquid and/or a liquid-gas mixture (14). The inner tube (6) on the side surface (16) has passage openings (18), through which waste gas can enter the mixing area (8). In this case, the casing (4) has a spiral body portion (22), and the spiral casing portion (22) passes at least along all the through-holes (18) of the inner tube (6). The present invention further relates to a process for mixing waste gas with a liquid and/or a gas-liquid mixture using said mixing device (2).EFFECT: improvement of device operation.15 cl, 11 dwg

Device and method for reducing counter-pressure in engine // 2628846
FIELD: engine devices and pumps.SUBSTANCE: improved catalytic carrier intended for use with a silencer in an automobile exhaust system comprises: an insulating material, a thermally divided carrier on a central zone and a tubular outer zone surrounding the central zone. The insulating material, the central zone and the outer zone collectively define a modified carrier. The insulating material is adapted in such a way that, in the operational mode, the temperature difference across the insulating material is at least 25C.EFFECT: use of the invention will allow to create a catalytic carrier with reduced resistance to the gas flow.22 cl, 23 dwg, 6 tbl

Diesel particle filter system for engine-generator // 2628817
FIELD: engine devices and pumps.SUBSTANCE: DPF system for the engine-generator (E, G) which performs the regeneration process on the filter (DPF) provided to remove the combustion-forming solid particles when the amount of solid particles in the DPF exceeds a predetermined value, the engine-generator executes the regeneration process by performing an automatic regeneration operation in order to raise the temperature of the exhaust gas for burning solid particles, the system comprises a load equivalent (L) connected to the engine-generator when it is necessary and a device board (ECU), to allow the engine to perform the operation of preparation for the regeneration so that once the amount of solid particles exceeds a predetermined value, the regeneration operation is performed if the exhaust gas temperature reaches the reference temperature, and the load equivalent is connected to the generator to raise the temperature of the exhaust gas, if the temperature does not reach the reference temperature.EFFECT: increase the efficiency of the engine.5 cl, 5 dwg
Revolving rotary-piston engine // 2628813
FIELD: engine devices and pumps.SUBSTANCE: toroidal working cylinder is divided into working chambers by pairs of elements, each consisting of a blade (piston) and a lock chamber, and the movement mechanism of the lock chamber allows unobstructed controlled movement of the blade (piston) and gas mixture along the cylinder while maintaining compression and the composition of the compressed gas mixture. The rotating annular element, designed as a side wall of the cylinder, provides both kinematic and power connection between the piston and the output shaft, acting as an engine rotor.EFFECT: simplicity of the design, which excludes mechanisms for coordinating the motion of the blades and power take-off, valve and crank-conrod mechanisms and not providing blade retainers, makes it possible to significantly simplify the engine, increase its reliability and reduce the requirements to the used materials, and, as a result, its cost.11 dwg

Vehicle, control device and method for controlling phase position of camshaft // 2628774
FIELD: engines and pumps.SUBSTANCE: control device (SG) for controlling the phase position of the first camshaft of an internal combustion engine is proposed, comprising: the first sensor (KG1) of a parametric surface for determining the dynamic predetermined phase position (dSP1) of the first camshaft; the second sensor (KG2) of a parametric surface for determining the static predetermined phase position (sSP1) of the first camshaft; and the first interpolator (IP1) for determining the corrected predetermined phase position (kSP1) of the first camshaft based on the dynamic predetermined phase position (dSP1) of the first camshaft determined by the first sensor (KG1) of a parametric surface and the statuc predetermuned phase position (sSP1) of the first camshaft determined by the second sensor (KG2) of a parametric surface.EFFECT: improved efficiency of the camshaft phase position control.12 cl, 2 dwg

Cooling system for vehicles // 2628689
FIELD: engines and pumps.SUBSTANCE: cooling system includes a pump (3) of a cooling fluid which is made for circulating the cooling fluid in the cooling system, a cooling device (5) for cooling the cooling fluid and a valve (10) which is adapted to direct the cooling fluid to the cooling device (5) for cooling or to the return pipeline (13) without cooling, the first circuit (6) which comprises channels (6a) of the cooling system for cooling the internal combustion engine (1) and the second circuit (17) for cooling the hydraulic retarder. The first circuit (6) is arranged to direct the cooling fluid from the cooling fluid pump (3) to the first inlet (10c) in the valve (10). The second circuit (17) is configured to direct the cooling fluid to the second inlet (10d) in said valve (10). The valve (10) is adapted to lock the second inlet (10d) under the operating conditions under which the hydraulic retarder is not activated and respectively to circulate the cooling fluid in the second circuit at the same time when it receives the cooling fluid from the first circuit (6) through the first inlet.EFFECT: invention provides cooling of the internal combustion engine and the hydraulic retarder.9 cl, 4 dwg

Engine system for vehicle // 2628682
FIELD: engines and pumps.SUBSTANCE: engine system (10) for the vehicle comprises an engine (12), a turbocharger (20) configured to compress the intake air (30) before the intake air is received in the engine (12). The engine system (10) comprises a charge air cooler (40) operatively disposed between the turbocharger (20) and the engine (12) and the cooling system (50). The cooling system (50) is operable in the first mode to provide a first cooling circuit for cooling the engine (12) and a second separate cooling circuit for cooling air passing through the charge air cooler (40). The cooling system (50) is operable to operate in at least a second mode to provide a third cooling circuit in which the coolant from the engine (12) is transferred to the charge air cooler (40) for heating prior to recirculation back to the engine (12) for the heating of the engine.EFFECT: reducing the rise time of refrigerant and engine oil temperatures.24 cl, 3 dwg

Support for valve levers of internal combustion engine valve drive // 2628469
FIELD: engines and pumps.SUBSTANCE: valve lever of internal combustion engine valve drive comprises a lever bracket (8) on which an axis (6) is located. The lever (2), (3) is rotatably mounted on the axis (6) with its hole (4), (5). The lever (2), (3) is held by axial fixation of the position. The axial fixation of the position is provided by the guiding connection in the form of a joint of an element (9), (10) engagement - jointed element (11), (12) between the bracket (8) and the lever (2), (3). The engagement element (9), (10) oriented transversely to the axial direction enters rotatably into the mating element (11), (12) with axial lateral support. A method for mounting the support is disclosed.EFFECT: reduction of the number of parts and mounting space with axial fixation of the lever position and increasing reliability of operation.11 cl, 4 dwg

Actuating unit for axial deflection of gas-exchanging valve in combustion engine // 2628465
FIELD: engines and pumps.SUBSTANCE: actuating unit comprises a disk and a rod that form a piston. A rod is attached to the disk and axially exposes from it. A disk divides a cylinder volume into the first and the second parts and is capable of anaxial movement between active and inactive positions, and a rod is capable of an axial movementin concordance with the disk movement. The unit also comprises a pressurized fluid circuit that is designed with a possibility of controlled fluid communication and with the cylinder volume first part. The unit has the first hydraulic circuit (21) that comprises a fluid-filled space (22). A piston of an actuating unit comprises the second hydraulic circuit (24). A space (22) is in communication with a central hole through the fluid (25) in the second circuit (24) when the piston disk is in the inactive position. A hole (25) is semi-bounded by a positioning piston (29) that is capable of an out-in traverse axially towards the piston and of a pressing on a gas-exchanging valve in the cylinder volume second part. A second circuit (24) comprises a valve (27) that is configured to prevent the fluid flow from the hole (25). A rod has an exposed end (30) that is partially thrust against a stop surface (31) in the space (22) when the disk is in the inactive position. A piston area (29), that faces the central hole (25), is less than or equal to the pressurized exposed end (30) area of the actuating unit piston rod.EFFECT: actuating unit piston rod is always in the inactive defined position when the engine valve is closed or the actuating unit is inactive.5 cl, 5 dwg

Device for exhaust gases control // 2628256
FIELD: machine engineering.SUBSTANCE: device for ICE exhaust gases control comprises an urea addition valve (40) configured to add an aqueous urea solution to the exhaust gases discharged from the combustion chamber (17) into the exhaust passage (19). Units (41, 42) for selective catalytic neutralisation of reduction type are configured to reduce nitric oxide in the exhaust gases by selective catalytic neutralisation, in which ammonia produced from an aqueous urea solution is used as a reducing agent. An ammonia slip catalytic converter unit (43) contains an oxidation catalyst. In this case, the unit (43) is located downstream of the selective catalytic neutralisation units (41, 42) and is configured to oxidise the ammonia flowing out of the units (41, 42). The fuel additive unit is configured to add non-combustible fuel to the exhaust gas burned in the combustion chamber (17). The electronic control unit (56) is configured to control the fuel addition unit during the addition increase process when the volume of nitrogen oxide flowing out of the units (41, 42) is not restored in the required volume relative to the volume of nitrogen oxide entering the units (41, 42). Also, when the temperature of the catalyst bed in the unit (43) is in the temperature range where the nitrogen oxide in the exhaust gases can be reduced in the unit (43) by selective catalytic neutralisation, in which the hydrocarbon is used as a reducing agent so that the hydrocarbon volume in the exhaust gases, entering the unit (43), increases.EFFECT: prevention of nitrogen oxide emissions into the atmosphere.12 cl, 7 dwg

Valve for machine driven into action by the flow // 2628248
FIELD: machine engineering.SUBSTANCE: valve includes the valve stem and the valve seat. Moreover, the stem is formed in the valve body with the ability to move relative to the valve seat. The valve body has a first discharge chamber, which is configured such that when the first pressure chamber is created, the valve stem moves toward the valve seat. Moreover, the valve body has a second discharge chamber, which is configured such that when the second pressure chamber is created, the valve stem moves from the valve seat. The first injection chamber, when viewed in the direction of movement of the valve stem to the valve seat, has a projected effective surface loaded with pressure, A1. The second discharge chamber, when viewed in the direction of movement of the valve stem from the valve seat, has a projected effective second pressure loaded surface, with A1<A2.EFFECT: increased reliability, valve safety, easier valve control.11 cl, 2 dwg

Exhaust emission control system of internal combustion engine // 2628150
FIELD: engine devices and pumps.SUBSTANCE: exhaust emission control system of an internal combustion engine includes a filter, a temperature increase device, a differential pressure measuring device and an electronic control unit. The filter includes the first region as a part of the filter and the second region as the other part of the filter. The electronic control unit is configured to calculate the first deposited amount so that the calculated deposited quantity becomes larger as the ratio of the absolute value of the first differential pressure decrease amount to the duration of the first oxidation period becomes greater. The electronic control unit is configured to calculate the amount of solid particle substance precipitated in the second region based on the duration of the second oxidation period and the second differential pressure decrease value.EFFECT: improved control accuracy.9 cl, 14 dwg

agnetic thrust bearing, turbomachine and method // 2628148
FIELD: machine engineering.SUBSTANCE: thrust bearing includes the electromagnetic stator (22) with the stator surface (26) and the rotor disk (28) with the rotor surface (36), facing the stator surface (26). The rotor disc (28) contains the radially inner part, made of the first material and directly and exclusively connected to the radial outer part, made of the second material. The first material is the corrosion-resistant metal or the metal alloy, and the second material is the ferromagnetic metal or the metal alloy.EFFECT: wear resistance increase.14 cl, 8 dwg

Turbine, including the device, preventing rotation of coil seal // 2628141
FIELD: machine engineering.SUBSTANCE: turbine contains a number of stages, each of which includes a disk and blades located on it. A pair of adjacent discs forms an annular gap therebetween and has opposite slots for receiving a sealing tape to seal the annular gap. A through hole is formed in the sealing tape, located midway between the edges of the sealing tape. Between the edges of the sealing strip within the annular gap is a base portion of the rotation preventing member, which also includes a connecting portion extending axially from the base portion to engage with a cutout portion of at least one of the discs. Inside the annular gap, from the base portion, via the through hole in the sealing strip, protrusion forms a fastening structure that attaches the rotation-preventing member to the sealing tape.EFFECT: invention makes it possible to prevent the sealing tape from moving around the circumference.8 cl, 4 dwg

Internal combustion engine with liquid cooling and operating mode of internal combustion engine with liquid cooling // 2628140
FIELD: engines and pumps.SUBSTANCE: invention relates to a internal combustion engine with liquid cooling comprising a cylinder head, a refrigerant circuit for liquid cooling providing, comprising a cooling ribs integrated in the cylinder head, a pressure line for supplying a coolant to the cooling ribs, an outlet for discharging the refrigerant and a return line that is branched off from the discharge line and is open to the pressure line, and a refrigerant pump (1) provided in the refrigerant circuit for refrigerant supply the drive of which contains a liquid frictional clutch (1a) controlling the power of the refrigerant pump (1), the liquid friction clutch (1a) comprises a storage chamber (3) for storing the frictional fluid and a shear chamber (4) which is separated from the storage chamber (3) by means of a wall and in which, by means of a frictional fluid, the torque can be transmitted from the pump input component (6b) to the pump output component (6a), which is mechanically coupled to the pump (1) supply device (8), the storage chamber (3) and the shift chamber (4) can be connected together or separated from each other by a connecting channel (12). An internal combustion engine is proposed in which the amount of refrigerant supplied by the refrigerant pump can vary to a greater or lesser extent. This is achieved by an internal combustion engine which is provided with an additional pump (9) for supplying a frictional fluid by means of which the frictional fluid can be actively supplied between the storage chamber (3) and the shear chamber (4).EFFECT: regulation of the refrigerant supply.17 cl, 1 dwg

ethod and device for managing engine braking mode control in internal combustion engines // 2628137
FIELD: engines and pumps.SUBSTANCE: engine (1) is operated with direct fuel injection, and the brake system (6) is provided in the exhaust gas system to keep the exhaust gases in braking mode. The engine (1) also comprises an exhaust gas recirculation device with an exhaust gas recirculation valve (13) located upstream of the brake valve (6) and a recirculation line (12) that connects the exhaust gas system to the engine intake system (1). In the braking mode the degree of opening of the valve (13) is regulated depending on at least one operating parameter of the motor (1). The degree of valve regulation (13) depends on the current registered and/or defined operating parameter value. A device for implementing a method of managing engine braking mode control in internal combustion engines has also been disclosed.EFFECT: prevention of injectors overheating.10 cl, 2 dwg

Gas turbine engine // 2628135
FIELD: engines and pumps.SUBSTANCE: gas turbine engine includes a plurality of blades assembled into an annular row of blades and partially forming a hot gas path and a cooling fluid path, a branch unit disposed on the base side of a blades row and pumping elements (130) distributed around branch unit, configured to impart movement in the narrowest gap of the cooling fluid path to the flow of the cooling fluid flowing through it. The cooling fluid path extends from the rotor cavity to the hot gas flow path. A plurality of injection members (130), a branch unit and a base of a blades row are effective to impart a spiral motion to the flow of the cooling fluid when it enters the hot gas path.EFFECT: aerodynamic efficiency of the blade is improved, thereby increasing the efficiency of the engine, the service life of the blade is increased.6 cl, 10 dwg

Nozzle block for gas turbine, coated with mcraly coating and tube linings // 2627997
FIELD: power industry.SUBSTANCE: nozzle device contains the first stylus with the first back and the first trough, the second stylus with the second back and the second trough, the inner band and the outer band. The first stylus and the second stylus are located between the inner band and the outer band, at that the first feather and the second feather is coated with the MCrAlY layer at least partial, and the inner and the outer band part are coated with the MCrAlY layer. At least the first back contains the first part of the coated surface, that is coated with the thermo-barrier coating and which is at least the part of entire surface of the first back. At least the inner band or the outer band contains the additional part of the coated surface, that is covered with the additional thermo-barrier coating. Another invention of the group relates to the manufacturing method of the nozzle device, in which the MCrAlY coating is applied to the nozzle device part and then apply to the sections with the thermo-barrier coating.EFFECT: thermal stability increase of the gas turbine nozzle device without significant labor intensity of its manufacture and weight increase.9 cl, 5 dwg

Cycloidal reducer, fan module of dual-flow turbojet engine and dual-flow turbojet engine // 2627990
FIELD: engines and pumps.SUBSTANCE: cycloidal reducer contains a planetary gear, satellite gears driven by the planetary gear and rotating around the satellite axis mounted on the carrier. The satellite gears roll over a fixed crown gear and the carrier is located in the axial direction laterally to the crown gear. The toothed gearing, formed by the satellite gears and crown gear, is designed to discard lubrication oil in the axial direction after it has been used. The carrier contains a radial extension including a surface opposite the toothed gearing and configured to redirect lubrication oil from its axial direction to the radial direction for removal at its end by a centrifugal action. Radially beyond the carrier and opposite to the radial extension in the axial direction there is a fixed oil pan. Other inventions of the group belong to the fan module of a dual-flow turbojet engine which contains a fan shaft, rotated by the above reducer, as well as to a dual-flow turbojet engine, which contains such a fan module.EFFECT: group of inventions allows to raise reliability of the cycloidal reducer by providing a possibility of diversion of the lubrication oil therefrom.8 cl 9 dwg

Device for fluid medium heating and method of fluid environment heating // 2627989
FIELD: engines and pumps.SUBSTANCE: fluid heating device comprising a pump, a pipeline connected to the pump and providing communication along fluid medium from the pump, and a hole in the pipeline. While using the pump contains a fluid medium. The first part of the fluid medium is pumped into the pipeline, and the second part of the fluid medium remains in the pump. The hole limits the flow of the fluid first part in the pipeline. The second part of the fluid medium is heated in consequence of friction between the second fluid medium part and the pump. A method of a fluid medium heating is also described.EFFECT: increased efficiency, reduction of fuel consumption.15 cl, 4 dwg

External combustion engine piston drive // 2627760
FIELD: engines and pumps.SUBSTANCE: on the inner cylindrical surface of the oblique washer there are leading surfaces in the form of a groove, and the outer cylindrical surface for removing the power has fastenings for permanent magnets of the rotor electric current generator. The unfolding of the grooves guide on the inner and outer cylindrical surfaces of the oblique washer is a sinusoid. The grooves of the inner cylindrical surface are cyclically rolled by the rollers entering the grooves or fingers of two pairs of opposing piston rods inside the oblique washer, and grooves of the outer cylindrical surface are rolled by rollers or fingers of the power take-off mechanisms. The opposing ends of the rods can carry pistons, working and displacing, or counterbalancing weights, passive or active. One of the opposite pairs of pistons can serve as a heat pump, when the pistons' motions of the motor and heat pump pairs balance each other. A phase displacement of the working and displacing pistons is possible. The engine has a symmetrical body, two opposing parts of which are connected by flanges of the crankcase into a single hermetic unit, which allows to maintain the high pressure of the gas working medium longer.EFFECT: mechanism downsizing.50 dwg

Rotor hydro-pneumatic machine // 2627753
FIELD: machine engineering.SUBSTANCE: rotor hydro-pneumatic machine contains the housing 1, in which the driving and driven operating gears 5 and 4 are arranged, consisting of the hollow hub and the central disk with asymmetrical profiled teeth 2 and 3, located on its periphery, connected to the gears 4, 5 and the synchronizing gears 6, 7 with the symmetrical teeth profile concentrically to them on the shafts, the feed-in and out channels of the operating fluid, the sealing elements. The gears 4-7 are made conical, and each of two pairs of similar gears forms the axial gears with axes of rotation, intersecting in one point. The kinematic connection is formed between the working and synchronizing gears, containing the fixing and elastic elements 19 and 14. Two feed-in and out channels are located on the housing 1 in the maximum teeth 2, 3 overlap area of the gears 4, 5, and the other two - in the areas of the teeth 2, 3 engagement beginning. The feed-in and out channels are located on the housing 1 periphery and are provided with the locking equipment.EFFECT: reduction of the device dimensions, increase of its functional parameters and expansion of the technological possibilities.25 cl, 22 dwg

Bypass gas turbine engine cooled turbine // 2627748
FIELD: engines and pumps.SUBSTANCE: bypass gas turbine engine cooled turbine includes a turbine nozzle unit with nozzle blades, a disk with working blades, a multi-duct. Input chamber of the multi-duct is connected to the cooling air source, and output chamber is connected, on the one hand, via an additional stator twist apparatus, additional vaneless diffuser and additional air passages with the interior of each working blade located at the front edge. On the other hand, the output chamber of the multi-duct is connected via the stator twist apparatus, vaneless diffuser and air passages with the remaining cavity of each working blade. The cavity at the output of the additional stator twist apparatus is separated from the cavity at the input of the vaneless diffuser by movable sealing. The additional vaneless diffuser is made in the form of a channel formed by two walls, one of which is located on the turbine nozzle unit, and the other is made in the form of a cover disk connected to the disk with working blades. The additional air passages are located in the body of the cover disc and are separated by an additional movable sealing from the flowing part of the turbine at the input, and an annular collector connected to the internal cavity of each working blade, located at the front edge, is formed at the output. Air passages connected to the remaining cavity of each working blade are located between the disk with the working blades and the cover disk and are provided with ribs. The cover disk is fixed by means of a bayonet connection in the axial direction relative to the disk with the working blades, and by means of an abutment in the radial direction.EFFECT: invention allows to reduce the weight of components and construction metal consumption, simplify the technology of mounting and assembly of the turbine construction unit, increase its resource and reliability.1 dwg

Engine and method for producing the engine // 2627744
FIELD: engines and pumps.SUBSTANCE: proposed engine 5, wherein at least one oil passageway 14 includes a thermal barrier disposed therein to reduce heat transfer from the oil flowing through the oil passageway 14 to the engine 5. The thermal barrier comprises a tube 30, 130, 230 of a closed cell foam having a low thermal conductivity. oil temperature reaches one or more motor bearings 5 therefore increases to the positive effect of friction reduction, wear and fuel economy, particularly during a warm-up period after starting the engine from cold.EFFECT: reduced fuel consumption when the engine is started cold.13 cl, 12 dwg

Radial intershaft turbomachine rotor support // 2627625
FIELD: machine engineering.SUBSTANCE: well-known radial intershaft turbomachine rotor support comprising a double-row bearing comprising an outer ring the inner working surface of which is cylindrical relative to the longitudinal axis of the support installed in the shaft of the pinion of the central bevel gear, two inner rings mounted on the turbine shaft, the outer working surfaces of which are formed tapered relative to the longitudinal axis of the support, remote ring mounted between inner rings, a separator comprises two split rings, each of which is configured in cross section as a circle according to the present invention. The cones bases of smaller diameter of the mentioned conical outer working surfaces of the inner rings are directed to the opposite sides. Two rows of balls are mounted radially offset from each other inside the mentioned separator, and the mentioned split rings are mounted on the compressor and turbine side respectively relative to the balls, in contact with the latter. The inner working surface sections of the separator which come into contact with the split rings have a conical form relative to the longitudinal axis of the support, the cones bases of smaller diameter are directed to the opposite sides.EFFECT: reduction of heat generation and required oil pumping in the bearing and in the support as a whole, simplifying the design, increasing of reliability of the bearing and the support as a whole.3 dwg

Blade nib node and shelves for ultrasonic flow // 2627621
FIELD: machine engineering.SUBSTANCE: blade nib node and the shelf includes a feather and a shelf on whose surface a pen is mounted, the shelf surface having a recess between the leading edge and the trailing edge of the blade feather. The deepest segment of the depression is located in the half, upstream, blade of the scapula. The skeleton curve is a curve that is a variation of the skeletal angle of the blade feather in a secant plane parallel to the shelf surface, depending on the position along the wheel axis. The linearized skeletal curve is a linearized representation of the skeleton angle as a function of the position along the wheel axis and represents a straight line connecting points characterising the skeleton angle at 10 and at 90% of the axial dimension of the blade from the leading edge, in the immediate vicinity of the shelf the skeleton curve has an elevated region lying above the linearized skeletal curve. A plane in which the displacement between the skeleton curve and the linearized skeleton curve is maximum is located in the axial direction between a position of 0.5N and 1.5N, where N is the percentage representing the position of the plane of the deepest segment relative to the axial dimension of the blade of the blade from its leading edge. Other inventions of the group refer to a blade comprising the aforementioned assembly, a working wheel provided with the above-mentioned assembly or blade, and a gas turbine engine with such an impeller.EFFECT: increase of aerodynamic efficiency of impeller of gas turbine engine.10 cl, 6 dwg

Exhaust gas controlling device for internal combustion engine // 2627620
FIELD: engine devices and pumps.SUBSTANCE: exhaust gas controlling device for the internal combustion engine (1) comprises an adding mechanism (200), a catalyst (41), and an electronic control unit (80). Adding mechanism (200) is adapted to add an aqueous urea solution to exhaust gas of the internal combustion engine. Catalyst (41) is adapted to adsorb ammonia generated from the aqueous urea solution and to remove nitrogen oxides by using ammonia adsorbed on the catalyst (41). Electronic control unit (80) control is made with possibility of setting target values of adsorption of ammonia for ammonia adsorbed on the catalyst (41). Electronic control unit (80) controls the mechanism (200) of additive injection so that the amount of the aqueous urea solution, added to exhaust gas, becomes the added amount calculated on the basis of adsorption target value. Electronic control unit (80) is configured to perform the initialization process to reduce the amount of ammonia adsorbed on the catalyst (41) to "0" in case where the total amount of NS nitrogen oxides, entering the catalyst, is equal to or greater than a predetermined value.EFFECT: elimination of error between the actual value of ammonia adsorption and the target value of adsorption.5 cl, 6 dwg

Distributor shaft and multi-cylinder engine // 2627616
FIELD: engines and pumps.SUBSTANCE: camshaft is designed for a multi-cylinder four-stroke internal combustion engine. The camshaft comprises a plurality of exhaust cams that are spaced along the longitudinal axis of the camshaft. The exhaust cams are arranged such that at least one outlet cam is connected to each engine cylinder (121), (122), (123), (124). Each exhaust cam is configured to actuate the exhaust valve of its respective cylinder (121), (122), (123), (124) when the camshaft rotates. The peak lift of the first exhaust cam is offset at an angle relative to the peak lift of the second exhaust cam by the cam rotation angle which is greater than the angle determined by the total revolution of the camshaft divided by the number of engine cylinders. The second exhaust cam is connected to the actuating cylinder following the cylinder connected to the first exhaust cam. The next trigger cylinder associated with the second outlet cam is a cylinder physically adjacent to the cylinder associated with the first outlet cam. A multi-cylinder engine using a camshaft is disclosed.EFFECT: overcoming emission of exhaust gases from one cylinder to another cylinder.19 cl, 7 dwg

Solar energy tube with automated extraction and heat collection, trough type device, heat generation system and technology // 2627613
FIELD: power industry.SUBSTANCE: invention relates to a thermal power generation device/system comprising solar-type hot-mix collectors filled with water, as well as to a power generation method using such a device/system. A solar energy tube with automatic exposure and heat collection comprises a glass tube (1b2) and an absorption tube (1b3) covered with a heat-absorbing layer applied thereto, vacuum exists between the glass tube (1b2) and the absorption tube (1b3). The reflective plate (1b4) is able to supply fluid in the absorption tube (1b3) alternately up and down in the inner chamber of the absorption tube (1b3), the spacer plate (1b4) is a spiral shape and is fixed in the absorption tube (1b3). Also is a thermal power generation system and a technology using additional light and generating thermal power under weather conditions and maintaining stable generation of power at night or when there is insufficient sunlight are disclosed.EFFECT: increased efficiency.12 cl, 7 dwg

Rotary piston engine // 2627487
FIELD: engines and pumps.SUBSTANCE: engine contains at least two working chambers formed by the body (1) rotating in it by a working rotor (2) and at least one additional rotor (3). The working fluid flows through at least one channel from at least one working chamber to at least one other working chamber. The channel comprises at least two channel portions that are intended to align with each other for mutual contact. At least one of the channel portion rotates in the body (1). At least one other channel portion refers to the body (1) or is positioned fixedly relative to the body (1).EFFECT: providing of the possibility of implementing different compression degrees and firing points.9 cl, 23 dwg

Thermal power station // 2627486
FIELD: power industry.SUBSTANCE: cooling tower circulation water supply system including a cooling tower, an intake well, a gravity water conduit, a circulating pump, a pressure pipeline to a steam turbine condenser and a discharge pressure pipeline to a cooling tower consisting of an exhaust tower and a drainage basin. The circulation water supply system is additionally equipped with a collector atomizer, which is located in the upper part of the cooling tower housing. The atomizer contains a hollow housing with a nozzle and a central core, the housing is provided with a channel for supplying liquid. In the lower part of the central cylindrical core, a hollow conical swirler is fixed, the conical shell of which is fixed by means of at least three spokes.EFFECT: invention allows to increase the economical efficiency of a thermal power station.3 dwg
Combined noise suppressor // 2627485
FIELD: machine engineering.SUBSTANCE: suppressor consists of a cylinder body, rigidly connected to the end inlet and outlet branch pipes, a sound absorber, located between cylinder body and perforated element and an acoustic transparent material, installed between the perforated element and the sound absorber. The sound-absorbing cylindrical insert is mounted along the suppressor axis; a conical fairing is fixed at one of the perforated cylindrical insert end faces, and the cylindrical insert is fixed to the inlet and outlet branch pipes by at least two stiffeners, located in the plane perpendicular to the suppressor axis. Inside the cylindrical insert there is a sound absorber and the acoustically transparent material, located between the perforated element of the insert and the sound absorber. The sound absorber is made in the form of sound-absorbing element of annular type, which walls are made in the form of the rigid and the perforated walls, between which there are two layers: the sound-reflecting layer adjacent to the rigid wall and the sound-absorbing layer adjacent to the perforated wall. The layer of sound reflecting material is made from the complex profile composed of evenly distributed hollow tetrahedrons allowing to reflect acoustic waves falling in all directions.EFFECT: noise suppression efficiency improvement.3 dwg

Chamber vacuum cleaner noise suppressor // 2627483
FIELD: machine engineering.SUBSTANCE: suppressor contains a cylindrical housing, rigidly connected with end inlet and outlet nozzles. At least two discs with holes forming chambers with holes are mounted perpendicularly to the direction of aerodynamic flow motion in the housing. The discs holes are alternately misaligned relative to the housing axis, so that the holes in two adjacent discs don't coincide. The housing is internally lined with sound-absorbing material, and the discs are lined with sound-absorbing material on the side of the aerodynamic flow movement. The body is made of structural materials, with soft vibration-damping material coated on its surface from one or both sides. Sound-absorbing ring elements are mounted on discs, each of which is designed in the form of rigid and perforated walls, between which two layers are positioned: a reflecting layer adjacent to the rigid wall and sound absorbing layer adjacent to the perforated wall. The layer of sound reflecting material is made of evenly distributed hollow tetrahedrons allowing to reflect acoustic waves falling in all directions. The basalt-based mineral wool with woven glass liner is used as sound-absorbing material.EFFECT: noise suppression efficiency improvement.2 dwg
Noise suppressor for textile wastes disposal system // 2627482
FIELD: machine engineering.SUBSTANCE: noise suppressor includes a body coaxial to the inlet and outlet branch pipes and a resonance insert mounted coaxially to the body, the body and the resonant insert are coaxially arranged and have equidistant polygonal profile in the cross-section, for example rectangular, with the resonant insert along the edges provided with a diffuser and confuser with rigidly fixed perforated discs, a rib in the form of solid partition separating the resonant insert into two chambers is installed in the middle of the resonance insert, and the resonant insert is fixed in the body by means of fastening elements made in the form of at least one partition with holes. The body inside and the resonance insert outside are coated with sound-absorbing material. The sound-absorbing element is made in the form of a ring covering the resonant insert, the axial section of the annular sound-absorbing element is made in the form of smooth and perforated walls, between which there are two layers: sound-reflecting layer adjacent to the rigid wall and acoustic-absorbing layer adjacent to the perforated wall. The layer of sound reflecting material is made from the complex profile composed of evenly distributed hollow tetrahedrons allowing to reflect acoustic waves falling in all directions.EFFECT: noise suppression efficiency improvement.2 dwg

Kochetov's aero-dynamic silencer // 2627481
FIELD: machine engineering.SUBSTANCE: silencer includes an inlet branch pipe and a body rigidly connected therewith and made of porous material, the body comprising a base made in the form of a cup with a collar in its upper part, with which at least two elements of the porous material interact in the form of cylindrical outer and inner bushings, which upper bases are connected to a cover provided with a collar for fixing the bushings and are rigidly connected to the base of the cylindrical cup by means of threaded pin positioned coaxially to the cup, bushings and cover and provided washers and nuts at the ends. The wall of the inner cylindrical bushing is in the form of two perforated walls, at that, the layer adjacent to one of the walls is sound-absorbing, and the layer adjacent to the other perforated wall is made of sound reflecting material consisting of complex profile composed of evenly distributed hollow tetrahedrons.EFFECT: noise suppression efficiency improvement.3 dwg

Plate noise suppressor to channel fans // 2627480
FIELD: machine engineering.SUBSTANCE: suppressor contains a square body rigidly connected to the end inlet and outlet branch pipes, sound-absorbing plates made of a frame containing perforated sheets filled with sound absorber and located in the body with a certain pitch and forming flat channels therein. Acoustically transparent material is located between the sound absorber and perforated sheets. The sound absorbing element is made in the form of the rigid and perforated walls, between which there are two layers: sound-reflecting layer adjacent to the rigid wall and the sound-absorbing layer adjacent to the perforated wall. The layer of sound reflecting material is made from the complex profile composed of evenly distributed hollow tetrahedrons allowing to reflect acoustic waves falling in all directions.EFFECT: noise suppression efficiency improvement.4 dwg

Kochetov's combined noise suppressor // 2627479
FIELD: machine engineering.SUBSTANCE: noise suppressor includes a body with end walls, inlet and outlet pipes and a noise-supressing element made in the form of chambers filled with noise-supressing material formed by coaxially installed perforated inserts with partitions and the inner surface of the body; in the central part of the noise-supressing element along its perimeter there is a tank opened on the airduct side and formed by the inner surface of the body and the end surfaces of the inserts, and one of the chambers comprises an axially movable partition formed in the cross-sectional shape of the chamber, and the movable partition is rigidly connected to at least two guide rails located on both sides of the diagonal of the cross section interacting with slots formed on the end face of the insert. A guiding apron is attached to the movable partition perpendicular to it and along the entire perimeter and interacts with the inner surface of the insert.EFFECT: noise suppression efficiency improvement.4 dwg

Combined noise suppressor // 2627478
FIELD: machine engineering.SUBSTANCE: noise supressor includes a body with end walls, inlet and outlet pipes and a noise-supressing element made in the form of chambers filled with noise-supressing material formed by coaxially installed perforated inserts with partitions and the inner surface of the body; in the central part of the noise-supressing element along its perimeter there is a tank opened on the airduct side and formed by the inner surface of the body and the end surfaces of the inserts , and one of the chambers comprises an axially movable partition formed in the cross-sectional shape of the chamber, and the movable partition is rigidly connected to at least two guide rails located on both sides of the diagonal of the cross section interacting with slots formed on the end face of the insert. A guiding apron is attached to the movable partition perpendicular to it and along the entire perimeter and interacts with the inner surface of the insert.EFFECT: noise suppression efficiency improvement.4 dwg

System and method for sealing the final control device // 2627473
FIELD: machine engineering.SUBSTANCE: actuators (300) are proposed to change the orientation of one or more blades and appropriate methods for dividing the first fluid at one end of the actuator shaft (310) and the second fluid at the opposite end of the actuator rod. The actuating device comprises an actuator rod and a housing (320) allowing movement of the actuator rod along an axis in said housing and having an inlet flange (322) allowing the third fluid to enter the space between the actuator housing (320) and the actuator shaft (310), and an exhaust flange (324) allowing the third fluid to exit from the actuator housing.EFFECT: in addition to providing a hydraulic seal between the first fluid and the second fluid, a third fluid can also heat the actuator rod, thereby preventing ice formation.16 cl, 8 dwg

Noise silencer // 2627322
FIELD: machine engineering.SUBSTANCE: silencer contains an inlet pipe and a rigid body of porous material rigidly connected thereto, made in the form of truncated cone shell, the larger base of which is rigidly connected to the end of the inlet pipe, and the smaller one is made in the form of solid porous disc. The sound-absorbing shell of the body truncated cone is two-layered. The layer adjacent to one of the walls is sound-absorbing, and the layer adjacent to the other perforated wall is made of sound reflecting material consisting of complex profile composed of evenly distributed hollow tetrahedrons.EFFECT: noise suppression efficiency improvement.3 dwg

ethod for welding and building up metal components made of aluminium by the method of arc welding by metallic electrode in the medium of inert gas with pulsed current and pulsed filler wire // 2627088
FIELD: metallurgy.SUBSTANCE: overlay welding is performed using a filler metal wire made of aluminium alloy, whose composition is identical to that of the deposited aluminium alloy parts to obtain rolls of large cross section. Thermal welding cycle is selected from the condition of minimum residence time in the range of weld metal embrittlement aluminium alloy by controlling the pulse rate of the filler wire feeding rate and welding.EFFECT: implementation of cladding without hot cracking.5 cl, 7 dwg

Internal combustion engine // 2626920
FIELD: engine devices and pumps.SUBSTANCE: internal combustion engine contains a charger that is located in the inlet channel; an intermediate cooler that is located downstream of charger in the intake air flow direction, in the inlet channel; and a device for the return of breakthrough gases. Device for the return of breakthrough gases contains a bypass channel, an ejector, and a channel for the breakthrough gases. Bypass channel connects the first point, that is between the charger and the intercooler, and the second point, that is downstream of the intercooler of the inlet channel, to each other. Ejector is located in bypass channel and is capable of sucking breakthrough gases out of crankcase through the channel for breakthrough gases when air flows through the bypass channel from the first point to the second point.EFFECT: invention provides crankcase ventilation.7 cl, 16 dwg

ethod for engine (options) and engine system // 2626917
FIELD: engines and pumps.SUBSTANCE: method for the engine is that in the first operating mode, vacuum is generated at the vacuum opening of aspirator (24) by at least partially opening aspirator (24) and providing an incentive flow of crankcase gases through aspirator (24). In the second operating mode, aspirator (24) is fully closed and the crankcase gases are metered through the pin opening of aspirator (24). The invention discloses the method embodiments for the engine and the engine system.EFFECT: simplified control of forced engine crankcase ventilation system.20 cl, 14 dwg

Gas turbine system, which reduces stress // 2626913
FIELD: machine engineering.SUBSTANCE: turbine system includes a rotor blade with a shank and a turbine disc comprising a slot, in which a shaft of the rotor blade is fixed. Slit of the turbine disk comprises a plurality of opposed pairs of slits of the projections, a plurality of opposite pairs of recesses and the bottom of the slot gap. The bottom of the slot comprises a first portion of a convex surface. The shank of the rotor blade comprises a bottom shank having a first portion of the concave surface corresponding to the first portion of the convex surface of the bottom slit. The first part of the convex surface is permeated by an outlet of cooling channel, which is passing through the turbine disk. Another invention of the group relates to a gas turbine comprising the above turbine system.EFFECT: reduction of stress concentration at the bottom of the disk slot having a cooling passage.9 cl, 5 dwg

ethod of mechanical processing of blade and gas turbine engine // 2626908
FIELD: engines and pumps.SUBSTANCE: when processing the blades on a machine for volumetric machining, the reference points are determined which should serve as reference points for processing. The blade to be treated comprises a feather, a shelf comprising front and rear holders formed respectively under its front and rear portions to support the sealing jacket, the shank of the blade and the stand located between the shelf and the shank of the blade. The blade is then positioned on the machine using the aforementioned front and rear holders as two reference points for the six-point positioning system and machined. Another invention of the group relates to a gas turbine engine comprising a plurality of blades obtained in the above manner.EFFECT: group of inventions allows to simplify the mechanical treatment of the blade and to reduce its weight.3 cl, 1 dwg

ethod for cleaning exhaust gases of internal combustion engine (versions) and cleaning gas vehicle system // 2626907
FIELD: engine devices and pumps.SUBSTANCE: methods and systems for passive recovery of a particulate filter attached to a gasoline engine are proposed. During the vehicle deceleration conditions, the engine is driven on a leaner mixture than the stoichiometry during two consecutive depleted phases, including the initial longer and poorer phases, followed by a shorter and less poor phase.EFFECT: through the passive restoration of the filter using the periodic depleted engine operation, the engine performance can be improved.21 cl, 4 dwg

Fuel dump pipe device and gas turbine engine containing such fuel dump pipe device // 2626894
FIELD: engines and pumps.SUBSTANCE: coupling member is configured to create the first connection between the coupling member and the component by the first end of the connecting member. The coupling member provides the second connection between the coupling member and the first surface portion of the fluid nozzle with the second end of the coupling member. In addition, the coupling member comprises a clutch portion surrounding the second surface portion of the fluid nozzle and spaced from the second surface portion of the fluid nozzle. In addition, the device also relates to an inlet or outlet device comprising such a nozzle arrangement and to a gas turbine engine comprising such a nozzle device.EFFECT: deteriorating prevention of lubricating oil properties due to overheating in the drainage pipe.16 cl, 7 dwg
 
2551131.
Up!