Positive-displacement machines for liquids and pumps for liquids or elastic fluids (F04)

F04            Positive-displacement machines for liquids; pumps for liquids or elastic fluids(23203)

Fan assembly // 2614378
FIELD: satisfaction of human life necessities.SUBSTANCE: fan assembly containing a nozzle and the main part, on which the nozzle is installed. The nozzle contains a rear section, having at least one the first air inlet, at least one the first air outlet and the first internal passage for moving the air from the first air inlet to the first air outlet; and a front section, having at least one the second air inlet, at least one the second air outlet and the second internal passage, which is isolated from the first internal passage for moving the air from the second air inlet to the second air outlet. The nozzle sections define the internal hole through which the air from fan assembly outside is drawn by the air emitted from the nozzle. The main part includes the means for creating the first air flow through the first internal passage and the second air flow through the second internal passage, and also means for changing the second air flow moisture parameters before it enters the second internal passage.EFFECT: improvement of the device reliability.15 cl, 8 dwg
Independent circulation thermal electrical pump for heating systems // 2614349
FIELD: heating.SUBSTANCE: thermal electric pump comprises a feed pipeline (1) with thermoelectric unit (3), connected with electric wiring to an inverter (4), battery (5) and pump motor (6) mounted in pipeline (2). Block (3) consists of two semi-cylindrical shells with longitudinal slots in which ongitudinal ribs are inserted. Inside ribs over their entire length, zigzag rows are placed consisting of sequently plaved and interconnected thermionic converters consisting of a pair of segments made of different metals. The segments ends are flattened, tightly pressed against each other and located near the edges of the ribs pressed against the heating zone to the pipeline section (1) surface and in the cooling zone. The zigzag rows free ends of each rib pair at one end in the cooling zone are connected by bridges, and on the opposite are interconnected in the cooling zone through the condensers, forming thermoelectric sections. The condensers are connected through their bridges in series with each other, forming a thermoelectric unit provided with current terminals with the like charges, connected with wiring to inverter (4).EFFECT: increased efficiency and reliability of the heating system.8 dwg

Operation method of piston vertical hybrid machine of dimensional action and method for its implementation // 2614317
FIELD: machine engineering.SUBSTANCE: piston machine contains a cylinder 1, divided by the piston 2 into gas 3 and fluid chambers 4. They are connected to the gas and liquid source and consumer through the reverse suction 5 and 6 and discharge valves 7 and 8. The reverse self-operated liquid valve 9 is installed at the piston bottom 2 opposite to the suction valve 5 of the cavity 3, connected through the hole 10 with chamber 3 and through the channels 11 with chamber 4. The spring 12 of the valve 9, is leant through the glass 13 on the adjusting screw 14. During the compression and liquid discharge in the liquid chamber 4, due to the leakages of fluid through the piston seal, a layer of the liquid over the piston 2 in the gas chamber 3 is created, which is evacuated at the end of gas injection process into the liquid subpiston chamber. The liquid volume, exceeding the dead volume of the chamber 3 is left over the piston 2 by the end of the gas injection process. The excess liquid flows to the chamber 4 through the opened valve 9.EFFECT: power efficiency of the gas chamber work cycle is improved, the hydraulic impact occurrence conditions are eliminated, the operating pressures range of the liquid chamber is expanded.4 cl, 4 dwg

Sucker rod pump drive // 2614315
FIELD: engines and pumps.SUBSTANCE: drive comprises a base with a stand and swing mechanism which includes a sway-beam with swinged horseheadand a traverse beam. Horsehead steering mechanism comprises a front inlet of the worm-reduction gear shaft, horsehead fixating in the operating position device with fixing bolts and locking nuts on them. The sway-beam fixating device comprises a coupler of adjustable length, as well as an automatic drive protection system. The front inlet of the worm-reduction gear shaft and fixing bolt heads are kinematically connected to the drive transfer box fixed at the sway-beam with a steering column, a steering wheel and turn a box-couplings engaging levers on it. Locking element of the fixing bolts is fitted in the drive transfer box. Adjustable coupler length of the sway-beam fixating device is made integral. Kinematical connection from the worm-reduction gear to the drive transfer box is made via attachable transient reducing gear and universalarticulated double coupling. Kinematical connection from the drive transfer box to the fixing bolts is made via articulated double coupling, attachable reducing gear with torque flow division into two flows. Attachable reducing gear and attachable casings with couplings are fitted at the additional bracket fixed on the sway-beam.EFFECT: improved comfort, reliability and safety of operation.4 cl, 10 dwg

Wet gas compressor and method // 2614309
FIELD: gas industry.SUBSTANCE: disclosed is centrifugal compressor for technological process performance over wet gas. Centrifugal compressor comprises body and, at least, one stage, containing, at least, one impeller (100), installed with possibility of rotation in body and having hub (107) and blades (111), wherein each impeller blade has low-pressure side and high-pressure side. Compressor stage contains, at least, one drops reducing device made with possibility of fluid drops reducing facilitation, flowing through compressor stage.EFFECT: invention is aimed at reduction of harmful factors from presence of liquid drops in pumped gas.30 cl, 21 dwg

Housing with edges for axial turbine machine compressor // 2614303
FIELD: machine building.SUBSTANCE: present invention relates to an outer housing of a composite material for an axial compressor of a turbine machine; at the same time, the housing usually contains a round wall with the matrix and fibrous stiffener. The housing (28) contains a round wall (32) with the inner surface (40), which has a continuous curvature on the circumference of the wall (32). The wall contains flat edges (42), which are made level with the inner surface of the curved wall. The edges (42) are arranged in circular rows to let the annular rows of stator blades be placed on them. The edges (42) are made as flat discs to support the blades for optimizing the position of the blades and, at the same time, to reduce the stress concentration in the areas of platform/wall cooperation.EFFECT: invention makes it possible to reduce the stress concentration between the wall of the housing and the blade platform, increases the accuracy of the blade's orientation, facilitates the regulation of the chord of the blades' orientation or blades' angle.21 cl, 6 dwg

Centrifugal screw pump // 2614299
FIELD: engines and pumps.SUBSTANCE: centrifugal screw pump comprises a housing (1) with inlet (2) and outlet (3), a pump head (4), a partition (5), a shaft (6) an impeller (7) and a screw (8). The housing (1) and the pump head (4) are connected to the bearing housing (9). There is a high-pressure chamber (10) between the partition (5) and the pump head (4) which is connected to the outlet (3) by passages (11). The partition (5) forms a hub plate (13) seal (12) of the impeller (7) and groove seals (14), (15) of the barrel (16), the separating chamber (17) is positioned between them and connected to the chamber ( 10) by the holes (18). The partition (5), the plate (13) and the barrel (16) form a discharging chamber (19) which is connected to the impeller (7) entrance chamber (21) by the holes (20) in the plate (13). There is a drain cavity (22) behind the seal (15) which is separated from the bearings (24), (25) by the shaft (6) seal (26). The cavity (22) is connected by drain passages (23) which are made in the pump head (4).EFFECT: exclusion of environment air entering the pump and the deterioration of its anti-cavitation properties by maintaining the chamber pressure close to the pressure at the pump outlet during the pump operation.3 cl, 1 dwg

Centrifugal compressor rotor shaft seal group // 2614297
FIELD: machine engineering.SUBSTANCE: centrifugal compressor shaft seal group includes rigidly connected with each other the gas seal in the form of the seal rings and spacers package and the hydrostatic oil seal in the form of the inner and outer walls, limiting the inner ring cavity, opened towards the shaft. The oil seal ring cavity is connected through the opening in the outer wall with the interior cavity of the bearing housing and through the opening in the inner wall with the compressor flowpath. The inner ring cavity in the meridian section has the diffusion airfoil.EFFECT: invention let to create the compressor shaft seal group, that does not require the supply of buffer gas during compressor starting and stopping, by means of eliminating the oil from the bearing support entry into the compressor flowpath.2 cl, 3 dwg

Borehole sucker rod pump unit // 2614296
FIELD: oil and gas industry.SUBSTANCE: unit contains power drive with traction body, reversible drive body, two balanced lifting liquid lines of different weights, including the corresponding suspension, connected to a reversible drive body by a flexible element, polished rods, rod strings and pumps, placed in the appropriate pipe strings, isolated from each other, lowered into the borehole. Reversible driving body is connected to the actuator for rotation and reciprocation together with the traction body. The reversible drive body is equipped with a drum having flexible rod, adapted to be wound around the drum, while the reversible drive body is rotating. The other end of the flexible rod is fixed at a different level within the height of the actuator at the mounting mechanism, which is adapted for fixation relative to the hole top. The drum is adapted to wind the flexible rods with sequential increase or decrease of the winding diameter, respectively for increasing or decreasing of the uplift lines stroke relatively to the actuator stroke.EFFECT: expanded mounting possibilities and reduced power consumption, excluded the plant downtime, increased operational reliability.4 cl, 6 dwg

Liquid ring machine with thermal accumulator // 2614112
FIELD: engines and pumps.SUBSTANCE: invention relates to pumps and compressors production and vacuum engineering, namely to liquid ring machines. The liquid ring machine comprises a cylindrical housing, an impeller located in it on shaft with eccentricity and possibility of rotation with a partition, forming at one end of shaft an inlet branch, and at another end - outlet branch. The thermal accumulating material is located on internal and external walls of the housing. Inside the housing heat pipes are arranged such that one end will be in internal layer of the thermal accumulating material, and at the another end - in the external layer. A heat exchanger is located in the internal heat accumulating layer.EFFECT: invention increases efficiency factor and capacity of the liquid ring machine.2 cl, 2 dwg

Rotor shaft bearing of low-pressure compressor of turbojet engine (versions), casing of rotor shaft rear bearing, rotor shaft component, polyfunctional external tightening component of rotor shaft, connection component of rotor shaft, casing of bearing of rotor shaft rear bearing // 2614029
FIELD: engines and pumps.SUBSTANCE: group of inventions refers to the area of production and operation of gas turbine engines. The rotor shaft bearing of the low-pressure compressor is located in an intermediate casing of the engine and contains a ball bearing, which is performed thrust and radial, dividing the shaft bearing to stator and rotor parts. The stator part from its internal part is performed conjointly to the external ring of the ball bearing, and on its external perimeter, the stator part is secured in the intermediate casing of the engine and equipped with cover supports of labyrinth seals. The rotor part contains a trunnion of a drum-disk constituent of the rotor shaft detachably connected to a cylinder constituent of the rotor shaft, by means of which the rotor part is rested on the internal ring of the ball bearing, as well as contains the polyfunctional external tightening component in the form of a circular cylindrical nut and a connection component in the form of a hollow screw. The rotor and stator parts of the shaft bearing are in the oil medium common to them both.EFFECT: group of inventions allows adapting the low-pressure compressor as a part of the engine to more sensitive mode of external air current supply, as well as to intense operation in stationary conditions of ground functioning.20 cl, 7 dwg

Support of shaft rotor of low-pressure compressor of gas turbine engine (versions), body of shaft support and body of ball-bearing rotor shaft support // 2614020
FIELD: mechanical engineering.SUBSTANCE: low-pressure compressor rotor shaft bearing is located in the intermediate casing of the engine and contains the embodiment of the ball bearing, dividing the support into the stator and rotor parts. The stator portion of the inner side is formed integrally with the outer ring of the ball bearing, and the outer perimeter is secured to the motor housing and the intermediate holder is provided with a labyrinth seal caps. Rotary part includes a pin of the reel disc component of the rotor shaft, which is detachably connected to the cylindrical part of the rotor shaft, through which the rotor part is supported on the inner ring of the ball bearing, and also contains a polyfunctional external coupling element in the form of circular cylindrical nut and the connecting element has a hollow bolt shape. The rotor and stator of the support are in the oil environment, which is usual for them. The support housing is equipped with additional holes for the oil change and removal of oil if necessary.EFFECT: invention allows to adapt the low-pressure compressor, a part of the engine to be more sensitive to external mode proceeds airflow intensive work in fixed ground operation conditions.13 cl, 3 dwg

Rotor shaft bearing of low-pressure compressor of turbojet engine (versions), cylinder constituent of rotor shaft, external tightening component of rotor shaft // 2614018
FIELD: engines and pumps.SUBSTANCE: invention refers to the area aircraft engine construction. The rear bearing of the rotor shaft of the low-pressure compressor of the turbojet engine is performed angularly contact and contains coupled drum-disk and cylinder constituents of the rotor shaft, as well as a ball bearing dividing the bearing to stator and rotor parts. The stator part includes a bearing casing performed conjointly with the ball bearing casing in the form of a conical diaphragm detachably connected with the ball bearing flanges and the intermediate engine casing. An internal strong ring is performed for detachable connection with the bracelet sealing casing and ring carriers of labyrinth sealing lids. The rotor part of the bearing includes conjointly performed bottom part of the conical diaphragm of the drum-ring constituent merging into a trunnion of the rotor shaft of the low-pressure compressor detachably connected with the cylinder constituent of the shaft by a hollow cap crew. A multiridge ring element of the labyrinth sealing, the contact hub of the bracelet sealing, and the oil-control ring, as well as the internal ring of the ball-bearing pressed against a support collar of the cylinder constituent of the shaft by the external tightening component with a ring end beam with the formation of an open collector for gathering and supply of lubricating and cooling fluid to rolling bodies of the ball bearing, to the oil-control ring, and to the contact hub of the bracelet sealing via channels in the external surface of the cylinder constituent of the rotor shaft, are installed on the cylinder constituent of the rotor shaft.EFFECT: invention allows increasing durability of the rotor shaft bearing of the low-pressure compressor, improving operation capabilities of lubricating and cooling system of the rear bearing, and increasing the performance factor of the bearing and operation life of the compressor at whole.20 cl, 2 dwg

Rotor shaft bearing of low-pressure compressor of turbojet engine (versions), sealing spool of rotor shaft bearing, rotor shaft bearing block, contact hub of rotor shaft bracelet sealing, oil-control ring of rotor shaft // 2614017
FIELD: engines and pumps.SUBSTANCE: invention refers to the area of aircraft engine construction. The rear bearing of the rotor shaft of the low-pressure compressor of the turbojet engine is performed angularly contact and contains coupled drum-disk and cylinder constituents of the rotor shaft, as well as a ball bearing dividing the bearing to stator and rotor parts. The stator part includes a bearing casing performed conjointly with the ball bearing casing in the form of a conical diaphragm detachably connected with the ball bearing flanges and the intermediate engine casing. An internal strong ring is performed for detachable connection with the bracelet sealing casing and ring carriers of labyrinth sealing lids. The rotor part of the bearing includes conjointly performed bottom part of the conical diaphragm of the drum-ring constituent merging into a trunnion of the rotor shaft of the low-pressure compressor detachably connected with the cylinder constituent of the shaft by a hollow cap crew. A multiridge ring element of the labyrinth sealing, the contact hub of the bracelet sealing, and the oil-control ring, as well as the internal ring of the ball-bearing pressed against a support collar of the cylinder constituent of the shaft by the external tightening component with a ring end beam with the formation of an open collector for gathering and supply of lubricating and cooling fluid to rolling bodies of the ball bearing, to the oil-control ring, and to the contact hub of the bracelet sealing via channels in the external surface of the cylinder constituent of the rotor shaft, are installed on the cylinder constituent of the rotor shaft. The contact hub of the bracelet sealing is performed with an oil-return channel of a cooling system of the bearing. The contact hub and the oil-control ring form channels for two successive counter-currently directed flows of an exhaust duct for lubricating and cooling fluid.EFFECT: invention allows increasing durability of the rotor shaft bearing of the low-pressure compressor, improving operation capabilities of lubricating and cooling system of the rear bearing, and increasing the performance factor of the bearing and operation life of the compressor at whole.19 cl, 5 dwg

Integrated pumping unit for hydrocarbon in underwater and continental pipelines // 2613794
FIELD: transportation.SUBSTANCE: integrated pumping unit for the transportation of hydrocarbons on the continental and undersea pipelines includes a protective casing, an electric motor, compressor, magnetic bearings, compartment, which houses the motor control system, the magnetic bearing control system, the inverter and the power components of the magnetic bearing. The security enclosure consists of a main part of the housing and covers the housing, in the main part of the shroud laid winding the stator of the motor, in the cover jacket integrated static part of the magnetic bearing static portion of dry gas seals in the unit rotor integrated short-circuited winding, the unit compressor rotating portion of the magnetic bearing, and gas dynamic seals, compressor shaft on which the rotor blades are located, is fixed in a special retaining rings inlet vanes, the bulk of the housing and the housing cap are connected by bolting.EFFECT: increased reliability.4 cl, 1 dwg

Device and method for generating electric power by means of limited pressure osmosis (versions) // 2613768
FIELD: ecology; power engineering.SUBSTANCE: group of inventions relates to production of ecologically clean electric power via limited pressure osmosis in a closed circuit by means of a sequence with periodic charge or by means of a continuous sequence using two sections. One of sections is a lateral pipeline released from interaction, in which there is replacement of diluted concentrate with high mineralization with a fresh solution. Other section is a device with a closed circuit with three parallel-connected modules, where low mineralization solution is fed and where part of diluted concentrate with high mineralization undergoes recirculation through modules. Other part is used for electric power generation by means of turbine and three electric generators. Periodic connection of lateral pipeline with a solution with high mineralization and closed circuit enable replacement of compressed diluted concentrate with high mineralization with a fresh solution without stopping electric power generation.EFFECT: group of inventions is aimed at electric power generation by means of limited pressure osmosis.10 cl, 15 dwg
Reactive impeller of centrifugal pump // 2613545
FIELD: machine building.SUBSTANCE: invention relates to the field of pump building. Reactive centrifugal pump impeller comprises blades evenly distributed along the circumference (1) with identical skeletons (2) profiles. Middle line (3) of the inter-blade channels (4) are the geometric place of points - centers of the circles with diameters Di (i = 1n…), inscribed between the skeletons (2) of the adjacent profiles on different radii of the wheels. External contours of the inter-blade channels (4) are formed by the curves (5) and (6), tangent to the circle with diameter di<Di, concentric circles inscribed between the skeleton (2). The diameters di any radius of i-th wheel are determined by the dependance di= (D1-s)⋅k+(⋅Di-s)(1-k), where D1 - The diameter Di of the circle (7) in the throat of the channel, when i = 1; s - thickness profile blade inlet edge and the constant k is identical for all channels and the wheel can have values ranging from 0.3 to 0.5.EFFECT: invention reduces eddy (diffuser) losses in the inter-blade channels of the impeller with a simultaneous increase in its hydraulic efficiency.2 cl, 2 dwg

Submersible pump unit // 2613542
FIELD: oil industry.SUBSTANCE: invention relates to oil-submersible equipment, namely, to borehole pump units of flip-type lowered into wells of small diameters. Submersible pump unit lowered onto a load-bearing cable into an auxiliary string inside the casing string contains an oil-filled submersible electric motor, a hydraulic protection, a flow module, an electric centrifugal pump, a suction channel, a check valve and a seal between the electric centrifugal pump and the auxiliary string. Above the oil-filled submersible electric motor there is a compensator, in which there are conductors of the load-bearing cable fixed in blocks of socket connectors installed in the head and in the base. Check valve is arranged between the flow module and the centrifugal pump.EFFECT: invention is aimed at higher reliability and expanded functionality of the device.1 cl, 2 dwg

Flexible drip // 2613541
FIELD: machine engineering.SUBSTANCE: sleeve comprises two buildings, with the ability to set the relative angular displacement, the driving, and driven shafts. The clutch is made symmetrical with respect to the transverse plane passing through the middle of a member of its central shell. Enclosures are equipped with an internal thread and are on the facing ends of the longitudinal grooves and the spherical recess, mating with a spherical shell bottomed screwed into the cup. In the shell, the radial bearing body is concentrically disposed with longitudinal channels on the outer surface and the moving cage having longitudinal teeth for mating with longitudinal teeth on the shaft of the spherical heads. Between the heads the insert is mounted with mating spherical recesses at the ends and longitudinal teeth for fixation on the cage. Each shaft is laid into the groove journal bearing is disposed in biasing hub consisting of a cylindrical part with an external thread and a head part with inclined holes having a spherical base, which rests on the bottom of the inner surface of the glass. Between the cylindrical part of the sleeve and the shaft biasing the annular channel is formed. A gear is mounted on the glass holder, engaged with the longitudinal grooves of the housing. To each end of the cage, the corrugated diaphragm is attached, fixed on a shaft snap ring.EFFECT: increase of reliability of the coupling work in deviated wells, reducing its size, providing the possibility of transferring axial forces.3 dwg

Oil-well sucker-rod pumping unit // 2613477
FIELD: oil and gas industry.SUBSTANCE: unit comprises two balanced lifting liquid lines of different weights, including the corresponding suspension, connected to a reversible drive body by a flexible element, polished rods, rod strings and pumps placed in the appropriate pipe strings isolated from each other, lowered into the well. Reversible driving body is connected to the actuator for rotation and reciprocation together with the traction body. The reversible driving body is equipped with a drum having flexible rod, adapted to be wound around the drum. The other end of the flexible rod is fixed at a different level within the height of the actuator at the mounting mechanism, which is adapted for fixation relative to the wellhead. The drum is connected to the axle via an adjustable mechanical gear to increase or decrease the stroke of the liquid lifting lines relative to the actuator stroke.EFFECT: expanded mounting possibilities and reduced power consumption of the installation, easy installation is excluded when one of the lift lines failures, increased operational reliability.4 cl, 6 dwg

Supplied to internal combustion engine supercharging air cooler fan drive controlling device and method // 2613475
FIELD: engines and pumps.SUBSTANCE: invention relates to a device and to supplied to internal combustion engine supercharging air cooler fan drive controlling method. Control device has fan drive controlling control device, in which control device is made with possibility of anticipatory fan drive controlling depending on engine parameters, and/or ambient temperature and/or ambient air density.EFFECT: technical result is reduction of fan drive noise and reduced power consumption.11 cl, 2 dwg

Control method for pump unit // 2613474
FIELD: engines and pumps.SUBSTANCE: set of inventions relates to the control method for the pump unit (10, 12) in a pneumatic or hydraulic system and to the pump unit. The speed of the pump unit (10, 12) in the control method can be adjusted depending on a few variables which are registered in the system by suitable sensors or actuating elements given directly as a parameter typical of their functional state. Error signals are generated from the registered variables each time on the basis of the piecewise monotonic function. At least several error signals are summed and the speed of the pump unit (10, 12) is controlled on the basis of the summed error signals so that the total error signal approaches the value equal to zero.EFFECT: system is supplied with pressure so that the valve elements of the system work in the optimum control range at minimum power consumption of the pump unit.19 cl, 18 dwg

Protection method of borehole pump from pump starvation // 2613348
FIELD: engines and pumps.SUBSTANCE: method includes the loading measurement, increase of the pump speed at loading drop to a certain value and the work continuation at the initial pump speed, when the threshold parameter value, characterizing the supply restore, is reached. As a parameter, characterizing the supply restore, the ratio of the useful power to the motor efficiency value is used. Increase of the pump speed is performed smoothly with specified pace, depending on the maximum allowable and current pump speed and the allowable time of the "dry" pumping without causing irreversible effects. If impossible to restore the parameter the gas discharge into the annulus is provided, by reducing the pump speed to a value minimum for this plant and at the parameter restore proceed working at the initial speed.EFFECT: higher operating efficiency of the well by selecting optimal pump speed changes parameters.1 dwg, 1 tbl
Circular lubrication hydraulic unit // 2613343
FIELD: machine engineering.SUBSTANCE: hydraulic unit contains a hydraulic tank of supporting structure, two immersed pumps, which are mounted on the top plate, the switching system and technologically interconnected the working reagent control system, containing the pressure and level sensors, heat exchanger, cleaning filters with dirt sensors, drain system, at that, the internal space of the hydraulic tank is hermetically divided by longitudinal partition into two sections, where the transverse partitions are fixed vertically with a gap to the bottom, inclined towards the drain, and the control system has the integral sensor of the water content in the working reagent, and the inlet nozzles are located in the upper part of the sections on the end wall of the hydraulic tank opposite from the immersed pumps and in the bottom there are working reagent discharge nozzles, and the intake manifold with switching device, receiving the working reagent from the pump bearing unit, is mounted between them, two removable hatches are mounted on the top plate of the hydraulic tank, and the control system is equipped with the bypass line, bypassing the heat exchanger.EFFECT: reliability increase.4 cl, 3 dwg
Device for pulse circulation environment in a closed circuit // 2613152
FIELD: machine engineering.SUBSTANCE: invention includes nutritional tube 1 with the attached shock valve 2, on the output of which valve 3 is installed, and a supercharger 4 reverse input and output valves 5 and 6, respectively, in which the set aperture 7, hydraulically separates them from the tube 1. The device further comprises a pump 8, the hydraulic accumulator 9 and auxiliary valve 10. The output gate 3 is connected to the input tube 1 through the pump 8. Valves 5 and 6 are combined by supercharger closed hydraulic circuit 11 to which the valve 10 is connected through the battery 9.EFFECT: creating device structures for organizing pulsing working fluid circulating in a first closed loop type by using the kinetic energy of the working fluid of the second kind, which excludes their mixing.1 dwg

Pumping plant with electrohydraulic actuator // 2613150
FIELD: engines and pumps.SUBSTANCE: plant contains a downhole electric motor, hydraulic drive with power pump, compensator, hydraulic actuator and distribution valves, and two pumps of diaphragm type. The hydraulic actuator includes two hydraulic cylinders, separated by a pistons for the forcing on driven cavities. The diaphragms of the compensator and the working pumps have the concave shape with a flat flange. Each diaphragm is fixed by the flange portion between two covers of similar shape. One side of the working pump diaphragm forms a drive chamber, and the other side of the diaphragm communicates with the internal cavity of the working pump. The driven cavities of the working pumps are connected to the driven hydraulic cylinders and provided with the valves system to control the loads on the diaphragms. The hydraulic drive includes a filter, protection valve at reverse rotation of the electric motor, the return valve in the forcing line, bleed valve.EFFECT: stable operation while the free gas content in the pumping liquid environment and the plant operating lifetime increase.2 cl, 2 dwg

Valve assembly used in piston compressors, piston compressor and method of modifying compressor // 2613149
FIELD: oil and gas industry.SUBSTANCE: invention relates to piston compressors, used in oil and gas industry, having valve assemblies, in which closing valve element is connected with a counter-seat. Valve assembly comprises a drive 337, providing straight movement, and valve 200 with seat 210 to provide passage of fluid medium through inlet hole 240 of valve seat. Counter-seat is connected with drive and is configured to provide passage of fluid medium through outlet hole 250. Closing valve element 230 is connected to counter-seat, arranged and configured to close inlet hole 240 when counter-seat is in closed position. Counter-seat, to which is transmitted rectilinear motion from drive ,moves between closed position and open position corresponding to open inlet hole, to allow passage of fluid medium through a flow channel, which includes inlet 240 and outlet 250.EFFECT: reduced volume of compression chamber.10 cl, 6 dwg

Gas turbine engine // 2613101
FIELD: engines and pumps.SUBSTANCE: gas turbine engine comprises a high pressure compressor, its straightener is located on two resilient shells of a combustion chamber diffuser. The straightener is made together with the resilient shells or is connected with the resilient shells using soldering or welding. Length of the resilient shells is 0.3-3.5 Lca, where Lca is axial width of blades of the compressor straightener. Bottom shell is secured with flange of a labyrinth seal creating closed cavity between its and bottom resilient shell. The flange of the labyrinth seal can be made elastic and secured to the bottom shell by bolts and self-locking nuts.EFFECT: invention improves reliability and service life of the gas turbine engine and its economical efficiency.2 cl, 7 dwg

Casing // 2612977
FIELD: engines.SUBSTANCE: invention relates to mechanical vehicle engine cooling system casing. Casing (1) contains frame (2), having primary hole (3), limited by main wall (4), and, at least, one secondary hole (5), limited by secondary hole (6) for cooling air flow passage; connected to frame (2) fan mounting system (7), in order to keep fan in primary hole (3); secondary hole (5) closing panel (10), connected to frame (2) and made with possibility of displacement by turning between lowered position and raised position, wherein casing comprises rod (11), determining panel (10) turning axis (R), passing through secondary hole (5) and having first and second ends (11a, 11b), connected to secondary wall (6) first and second sections (6a, 6b), respectively, opposite to each other, as well as two hooks (12a, 12b), made in panel (10) for connection with rod (11).EFFECT: invention provides improvement of vehicle cooling.8 cl, 4 dwg

Valve and pumping unit with valve // 2612971
FIELD: engines and pumps.SUBSTANCE: pump comprises a body (2) defining an internal space (3) with an inlet opening (4) and an outlet opening (5) respectively for sucking and ejecting the conveyed medium, and a chamber(7) associated with the space (3). The chamber (7) comprises the first pipeline system (29) of the hydraulic valve system (22) for supplying hydraulic valve water into the chamber (7) defined by the body (2), the second pipeline system (32) for discharging the controlled flow lost due to leak from the chamber (7) defined by the body (2), and the safety valve (35) located in the second pipeline system (32) for blocking the flow lost due to leaks, exhausted from the chamber (7).EFFECT: creating a device which can independently block the controlled leakage at the termination of the hydraulic valve water supply, and retain the blocking hereinafter.13 cl, 4 dwg

Pump unit, in particular, for helicopter lubrication // 2612895
FIELD: pumps.SUBSTANCE: invention relates to lubrication pump unit in helicopters. Pump unit (1) contains drive shaft (3), passing along longitudinal axis, casing (2) containing side wall (8), limiting inlet opening (38) and delivery opening, rear wall (9) and front wall, opposite to each other, and transverse axes, delivery device, mounted in casing (2) and containing two rotary pumps (34), passing along corresponding axes parallel to longitudinal axis. Pumps (34) are diametrically opposite. Unit includes transmission (66), which distributes shaft (3) movement between pumps (34). Transmission (66) is placed into casing (2) compartment. Front wall has axial opening (13), through which shaft (3) is installed. Casing (2) has oil pipeline, connecting delivery opening with opening (13).EFFECT: invention is aimed at creation of pump unit, capable to achieve relatively high volumetric efficiency, and prevent from cavitation without increasing its radial dimensions in order that, it was suited for installation in available mounting seat, formed in helicopter reduction gearbox.12 cl, 7 dwg
Cooling fan for motor, cooling fan assembly and vehicle equipped with it // 2612876
FIELD: transportation.SUBSTANCE: cooling fan comprises: the first blade shaft (100) carrying a plurality of blades (110); the second blade shaft (200) carrying a plurality of blades (210), mounted on the first blade shaft (100) and rotating relative to the first blade shaft (100); the drive motor connected to the first blade shaft (100) for rotating the first blade shaft (100); the torsion spring (300), the first end of which is connected to the first blade shaft (100), and the second end is connected to the second blade shaft (200).EFFECT: creating a motor fan which can reduce the fuel consumption of a vehicle.12 cl, 7 dwg

ultibar pump plant // 2612764
FIELD: engines and pumps.SUBSTANCE: plant comprises the electric engine cnnected by the V-belt drive with the reduction gear of vertical design. The reduction gear pulley is mounted on the spline shaft shank, along which the hub with the upper and lower satellites, by means of which the rotation of the bevel gears sitting on diametrically opposed 4 semi-axes, moves freely due to electromagnetic devices in one direction or another. A balancer is mounted at the end of each semi-axis by means of a flange connection. The upper and the lower position thereof are fixed by end switches sending the command to one of electromagnetic devices for sliding along the hub shaft up or down to actuate the top or the bottom satellite, the bevel gears and the balancers.EFFECT: increased efficiency factor, along with reducing production and maintenance costs.1 dwg

Automatic cleaning method for pump system including smooth start device // 2612759
FIELD: engines and pumps.SUBSTANCE: group of inventions relates to pump electric motor program control system. Control method consists in fact, that during first period of time motor is accelerated to full speed in forward direction, then motor is decelerated, then motor is accelerated to preset speed in reverse direction during second period of time, then motor is decelerated and repeating steps for one or more times. At that, specified speed in reverse direction makes approximately 1/3 of full speed in forward direction. Second version of method consists in fact, that steps are performed by means of smooth start device circuit control using flow vector control, which enables to make preset speed in reverse direction equal to full speed in forward direction. Disclosed are smooth start device and pump system, which operate according to said methods.EFFECT: technical result consists in reduction of mechanical stresses in motor and longer service life of pump system.11 cl, 3 dwg

Device for determining technical state of pump // 2612684
FIELD: mechanical engineering.SUBSTANCE: device comprises inlet and outlet pipes (2) and (3) of the pump (1), sensors (4), (6) the pressure set at the inlet and outlet (2), (3), a comparator (10), the indicator (11), the block (12) control the counter (13) the time unit (14) ban, a computing device (15) and block (16) indication. The outlet connection (3) of the pump (1) are installed adjustable hydraulic restriction (8) and a sensor (7) temperature, the output of which is connected to the block (14) of prohibition.EFFECT: reducing the cost of manufacturing by simplifying the design of the device to determine the technical condition of the pump.1 dwg
Piezoelectric supercharger of fluid media // 2612671
FIELD: engines and pumps.SUBSTANCE: supercharger consists of the housing, inside which the multilayer piezoceramic elements are installed, made in the form of cylinders protected by flexible wear-resistant shells. The electrodes are connected to the control units for the excitation of oscillations. Lids with pipelines attached thereto with intake and exhaust valves are arranged at the butts of the shells. The piezoceramic elements are in the form of a cylinder placed inside the intermediate tube with double walls, the space between the walls thereof is filled with flexible hygroscopic material. Between the housing and the intermediate tube, the tubular housing with double walls is installed, the space between the walls thereof is filled with air.EFFECT: increased pump head and efficiency.3 cl, 7 dwg

Regulated guide vanes of axial compressor of turbine machine // 2612666
FIELD: machine building.SUBSTANCE: regulated guide vanes of axial compressor of turbine machine comprises two-support rotating vanes between an external housing and an internal detachable ring, and fluoroplastic inserts. Internal cylindrical trunnions of the rotating vanes are installed in response radial openings of the internal detachable ring fixed relatively them. Fluoroplastic inserts are installed over outside diameter of the internal cylindrical trunnion of each two-support rotating vane. Between the fluoroplastic insert and internal surface of the internal detachable ring formed by radial opening an outside and internal inserts are installed inserted one into another. The outside surface of the internal insert is made convex, spherical. Part of the internal surface of the outside insert at side of the longitudinal axis of the regulated guide vanes of the axial compressor of the turbine machine is made as concave hemisphere. Part of internal surface of the outside insert at side of the two-support rotating vanes is made cylindrical.EFFECT: invention increases wear resistance of the fluoroplastic insert, and hence increases service life and reliability of the connecting assembly of each rotating vane with internal ring and regulated guide vanes.1 dwg

Fan and layout, including such fan // 2612648
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering. Fan nozzle (27) is fixed on support plate (25), on which rear wall (11) there is fastener (26) with, at least one upper (15) and lower (16) fixing devices for fan fixation (10) on mounting rail (1). Upper (15) and lower (16) fixing devices in fixed condition envelope mounting rail (1) upper (2) and lower (3) edges and arranged with displacement relative to each other in direction, in fan (10) fixed condition passing parallel to mounting rail (1) longitudinal axis. Fixing devices (15, 16) ends facing each other in this direction form inner ends (17, 18). Between inner ends (17, 18) of upper (15) and lower (16) fixing devices there is gap (d) with width, which is larger, than gap (b) between mounting rail (1) upper edge (2) and lower edge (3), so, that fan (10) as result of inclination relative to inclination axis (Z) in direction of inclination (k) during insertion is inserted into mounting rail (l) perpendicular to mounting rail longitudinal direction (X).EFFECT: technical result consists in reduction of mounting space for mounting/dismantling.11 cl, 9 dwg

oisturizing installation // 2612561
FIELD: machine building.SUBSTANCE: plant comprises: a housing and a nozzle is releasably mounted on the body, which comprises means for generating a first air stream and second air stream and means for humidifying the second air stream, wherein the nozzle comprises one first air outlet for discharging the first air stream and defines an opening through which air from outside the system is tightened air ejected from said one of the first air outlet, the installation comprises one second air outlet for discharging the second air stream, wherein the housing comprises a holding means of the nozzle, arranged to move relative to the housing for releasably retaining the nozzle on the body.EFFECT: possible to prevent spontaneous detachment and, at the same time makes it possible to perform disconnection of the nozzle from the housing.21 cl, 14 dwg

oisturizing installation // 2612559
FIELD: machine building.SUBSTANCE: plant comprising: a base including a means for creating a first air flow, the nozzle comprising one first air outlet for discharging the first air flow, and forming an opening through which air from outside the humidification installation delayed air ejected from said one of the first air outlet opening, second means for humidifying the air stream, one second air outlet for discharging the second stream of air, and a water tank detachably mounted to the base, wherein the water tank surrounds at least the upper section of the air flow means.EFFECT: possibility to monitor the connected state of the nozzle and the tank, as well as to maximize the volume of the tank without increasing the size.14 cl, 14 dwg

ethod of operating supply pump, which operates in pulse mode // 2612523
FIELD: power engineering.SUBSTANCE: invention relates to a method of operating supply pump (1), which operates in the pulse mode, in feeding device (2) to supply liquid working medium (3) for vehicle (4) in direction (5) of the supply. Supply pump (1) has feed piston (6) and excitation coil (7) for feed piston (6) drive, while feeding device (2) has pressure sensor (8) downstream of supply pump (1) in direction (5) of the supply. In compliance with the method, first excitation coil (7) is applied with profile (9) of voltage. Then, in accordance with profile (9) of voltage, performed is stroke (10) of feed piston (6) supply. In this regard, controlled is pressure profile (11) in direction (5) of the supply downstream of supply pump (1). Then, pressure profile (11) is estimated. Then, profile (9) of voltage is adapted subject to at least one characteristic property of pressure profile (11) in such a way, that when the peak pressure is reached the feed piston is not further accelerated.EFFECT: saving power and reduced noise.10 cl, 7 dwg

ethod of collecting and recycling low pressure gas in field preparation of natural gas with low condensate factor // 2612448
FIELD: oil and gas industry.SUBSTANCE: invention relates to oil and gas industry. Method of collecting and recycling low-pressure gases in field preparation of natural gas comprises feeding condensate-containing gas to a low-temperature separation (NTS) apparatus for degassing. Low-concentration water-methanol solution is discharged into a first degasser and then into industrial effluents. High-concentration water-methanol solution is discharged into a second degasser and then for recirculation into NTS apparatus. Unstable condensate is fed into condensate stabilisation apparatus (USK), where it passes through a first weathering unit, second weathering unit and end separation unit (KSU). Stabilisation is carried out by stepwise reduction of pressure. In weathering units condensate heating is performed. Low-pressure gases from degassers, weathering units and KSU are reduced to lowest working pressure among said apparatus and are together directed to a low-pressure collector and then as a passive stream into ejector. Commercial gas after NTS is fed into ejector. Ejector output stream is fed for own process needs.EFFECT: reduced process losses of hydrocarbons, as well as improved environmental properties.1 cl, 1 dwg

Reservoir fluid lifting unit // 2612410
FIELD: oil and gas industry.SUBSTANCE: invention relates to the hydrocarbons extraction from small diameter wells using submersible electric centrifugal pumps equipped with a thermal manometric system (TMS). The reservoir fluid lifting unit contains a submersible electric motor with a seal section and a power cord, a pump, a control station with a frequency converter, a tubing and a TMS system with a hydraulic line. TMS is installed over the submersible electric motor and is connected to it via a detachable docking unit. The power supply cable is passed through the TMS. To prevent liquid leakage in case of hydraulic line interruption, the TMC is equipped with a valve.EFFECT: invention allows to mount equipment on the well, reduce radial dimensions and increase the unit reliability.5 cl, 1 dwg

Turbojet low-pressure compressor rotor fourth-stage impeller // 2612282
FIELD: engines and pumps.SUBSTANCE: turbojet low-pressure compressor rotor shaft fourth-stage impeller contains the disc comprising the hub with a central bore, the web and the rim, as well as the blades, each having a butt and a root with a profile formed by a concave trough and a convex back. The disc rim is connected to the web with the formation of annular flanges separated along the rim periphery by the annular groove for disposing the impeller blade butts. The hub is made symmetrically developed relative to the middle arbitrary web plane normal to the rotor shaft axis, with the axial width exceeding 5.5÷7.3 times the root web portion thickness. The blade is made with the γ root profile pitch angle, variable in the root height with respect to the front line of the blade row profiles grate, decreasing with the radial distance from the rotor axis with the gradient Gp.a.=152.3÷218.9 [deg/m]. The blade root is made with the thickness variable in the blade root width and height, defined in cross-section as the difference between the back and trough heights relative to the chord connecting the inlet and the outlet edges of the blade root.EFFECT: higher efficiency and increased gasodynamic stability reserve in all operation modes of the compressor, and longer life of the low-pressure compressor last fourth stage impeller without increase in material input.10 cl, 4 dwg

Progressive rotary drive valves for piston compressors and associated methods // 2612241
FIELD: machine building.SUBSTANCE: invention relates to drive rotary valves, used in piston compressors employed in oil and gas industry. Rotary valve (300) contains fixed element (310), having hole (315), movable element (320), having hole (325), and drive device. Drive device (340) is made with possibility to receive rotary movement to actuate rotary element while its axial translation from fixed element and subsequent rotation. Drive device includes outer shaft, intended to receive rotary movement, and inner shaft, arranged inside outer shaft and intended to turn rotary element.EFFECT: outer shaft is made with possibility of turning at preset angular distance wherein shifting turning element from fixed element before outer shaft entering into interaction with inner shaft for its turning together with rotary element.10 cl, 10 dwg
Crank rod and air compressor equipped with such crank rod // 2611919
FIELD: machine building.SUBSTANCE: invention relates to crank rod and air compressor, equipped with such crank rod. Crank rod consists of large head, small head and connecting part. Connection part connects large head and small head. On large head adjustment mechanism is provided, controlling axial thickness. Provided is limiting mechanism to limit adjustment mechanism axial displacement. Since on crank rod large head adjustment mechanism is provided, intended to adjust axial thickness, then axial thickness can be adjusted using adjusting mechanism, if there is gap between crank rod and crank arms. Meanwhile, crank rod damage becomes unlikely due to low amplitude of rocking, it does not require frequent replacement and, thus, has long service life.EFFECT: compressor has good stability during operation, crank rod does not shake, which helps to reduce noise.10 cl, 9 dwg

Axial turbomachine and housing from composite material for axial turbine machine // 2611914
FIELD: turbo-machines.SUBSTANCE: group of inventions relates to axial turbine machine outer housing from composite material. Housing from composite material for axial turbine machine contains circular wall, containing matrix and woven fibrous stiffening element (40). Depending on its thickness stiffening element (40) comprises two outer layers (48) and one central layer (50), arranged between layers (48). Layers (48, 50) contain woven fibres passing in circular wall axial direction, and woven fibres, passing along circular wall circumference. At least one of layers (48) has difference in ratio between axial woven fibers and circular woven fibers. Axial woven fibers make largest part of woven fibers.EFFECT: group of inventions is aimed at improvement of housing composite material annular wall mechanical resistance in case of contact with rotor blades.15 cl, 11 dwg
Oil discharging unit // 2611705
FIELD: oil and gas industry.SUBSTANCE: oil discharging unit comprises a cylindrical body (1) with radial suction channels (8) and a screw (2) designed in its lower part. The screw (2) is connected by shaft (3) to the hydraulic motor (4) positioned in the upper part of the housing (1). The unit has a seating unit (15) for longitudinal displacement and fixing of the barrel to a predetermined depth. Heating element (5) is mounted in front of the screw (2) in the lower part of the housing (1). Check valve (6) with a filter (7) is mounted in the open lower end of the housing (1). Cylindrical insert (9) is mounted inside the housing (1) forming an annular cavity (10) isolated from the pressure cavity (11) of the unit. The cavity (10) in the upper part communicates with a safety valve (13), the pressure cavity (11) via a bypass line (12). Additional radial end-to-end channels connecting the annular cavity (10) to the cavity of the barrel are mounted in the housing (1).EFFECT: improving reliability and efficiency of the unit operation.3 cl, 2 dwg

Turbo machine (versions) // 2611544
FIELD: machine building.SUBSTANCE: turbo-machine, particularly, turbo compressor, with housing, with rotor installed in housing and with dry gas seal to seal rotor relative to housing, wherein housing has, at least, one opening for gaseous medium, through which gaseous medium can be directed to maintain dry gas seal uniform temperature in its own direction. Through opening gaseous medium may be directed directly into gas chamber formed between housing and dry gas seal. Additionally or alternatively opening serves for installation of gaseous medium guiding pipe.EFFECT: invention is aimed at creation of turbomachine, in which dry gas seal uniform temperature can be effectively maintained.22 cl, 6 dwg

Device and methods of valves actuation // 2611534
FIELD: machine building.SUBSTANCE: invention relates to devices and methods of technical problems overcoming in piston compressors drive valves, used in oil and gas industry. Valve assembly comprises actuator 510, shaft 520, flange 550 and thrust bushing 560. Actuator 510 is made with possibility to generate movement. Shaft 520 is made with possibility to transmit rotary motion, caused by said movement, and passing inside piston compressor housing 540. Flange 550 is located near place, where shaft 520 passes inside compressor housing 540. Thrust bushing 560 is located between flange 550 and compressor housing 540. Rotary motion actuates valve closing element 530 inside compressor housing 540.EFFECT: invention allows to reduce force required to actuate valves in piston compressors.10 cl, 12 dwg
 
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