Combustion engines and hot-gas or combustion-product engine plants (F02)

F02            Combustion engines; hot-gas or combustion-product engine plants(22617)

Solid-propellant rocket engine (versions) // 2642764
FIELD: engine devices and pumps.SUBSTANCE: solid-propellant rocket engine in the first version comprises a body with a solid fuel arranged therein, a nozzle unit installed on the rear bottom of body, an igniter includes a solid fuel igniter mounted in the front and/or rear bottom of the body. The igniter is mounted in the front bottom of the body along the axis of a central channel. The igniter includes a laser connected by a cable to a power supply source and directed by the laser beam focus of given pulse shape to a layer of flammable substance which is applied to the end of the igniter, and the igniter is placed in a perforated shell and installed in a casing with radial clearance. In the igniter installed in the front bottom of the body, the casing with its one end is airtightly connected to the laser, and on its other end there is a flare, on which a deflector of radially directed ejection of flame from the igniter is installed to the surface of through solid fuel central channel. In the igniter installed in the rear bottom of the body, the casing with its one end is airtightly connected to the laser, and the other end of the casing there is a branch pipe which to which the igniter is mounted eccentrically to the central channel in the rear bottom of the body with the possibility of concentrated ejection of flame from the igniter through a prechamber to the solid fuel end. In the second version the solid-propellant rocket engine contains armouring coatings on the ends of solid fuel, and the igniter is mounted in the front bottom of the body and is a laser. The laser drives ignition of solid fuel of directed laser beam radiation focus of specified shape of pulse through the prechamber to solid fuel end, for this purpose in the armouring coating of the solid fuel end there is a local zone of ignition with the possibility for combustion transition into the solid fuel central channel. In the third version of the rocket engine the laser is mounted eccentrically in the rear bottom of the body eccentrically to the nozzle, driving ignition of solid fuel by directed laser beam radiation focus of specified shape of pulse through the prechamber into one of the cells of pyramidal shape made on the end of solid fuel, with subsequent transition of combustion over entire honeycomb pyramidal-cellular surface of solid fuel end.EFFECT: enhancement of reliability and reduction of ignition time of solid fuel.3 cl, 8 dwg

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

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

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

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

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

anagement device for internal combustion engine, emissioning emissions of white smoke // 2642710
FIELD: engines and pumps.SUBSTANCE: control device for the internal combustion engine includes an exhaust gas control device in the exhaust system of the internal combustion engine. The exhaust gas control device comprises an intake air volume regulator, a temperature sensor and an electronic control unit. The temperature sensor has the ability to measure the temperature of the exhaust gas control unit. The electronic control unit has the ability to estimate the amount of sulfur compound accumulation. The value of sulfur compound accumulation is the amount of sulfur compound accumulated on the exhaust gas control device. When a specific condition in which the value of the accumulation of sulfur compounds is equal to or above a predefined magnitude accumulation (S1) and the temperature of control device with exhaust gases is equal to or above the predefined temperature (S2) is satisfied in operational state, the electronic control unit manages the intake air volume regulator so that the intake air volume controller increases volume of suction air (S5) compared with, when a particular condition is not satisfied in the same operational state (S4).EFFECT: more accurate determination of the amount of sulfur compound accumulation.5 cl, 7 dwg
Set of cylinder head and engine block // 2642707
FIELD: engines and pumps.SUBSTANCE: single cylinder head of a cylinder (1) for installation on one of the multiple cylinder sections of a large internal combustion engine comprises a cylinder head body (2) having a gas system side (6), a rod pusher side (8) located opposite the gas system side (6) and a circular surface of the cylinder jacket (4) with a nozzle central hole (10), a pair of inlet holes and a pair of outlet holes. The nozzle central hole is in the center of the circular surface of the cylinder jacket (4). The central axis passes through the nozzle central hole from the gas system side (6) to the rod pusher side (8). The pair of outlet holes and the pair of inlet holes are on the opposite sides with respect to the central axis. A nozzle central recess (18) passes through the cylinder head body (2) to the nozzle central hole. The channel system of gas inlet (20) passes from the gas system side (6) through the cylinder head body (2) to the pair of inlet holes. A gas discharge channel system (22) passes from the pair of outlet holes through the cylinder head body (2) to the gas system side (6). The channel of the rod pusher (28) passes through the cylinder head body (2) on the rod pusher side (8). In total, there are five-cylinder attachment holes (30, 32, 34, 36, 38) passing through the cylinder head body (2) on the outer circular area of the single cylinder head (1). In total, there are five-cylinder attachment holes (30, 32, 34, 36, 38) arranged at a different distance from each other around the nozzle central recess. The engine block for a large internal combustion engine and the large internal combustion engine are also disclosed.EFFECT: optimised structure of intake air circulation channel and exhaust gas, increased rigidity of the structure.15 cl, 7 dwg

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

ethod for stopping vehicle engine (versions) and vehicle // 2642012
FIELD: transportation.SUBSTANCE: when the engine (10) is stopped, the rotation speed of the drivetrain integrated starter/generator (DISG) (240) is adjusted to the desired rotation speed, which provides the required pressure in the transmission (208) clutch oil line in response to the request to stop the engine (10) rotation. Release drivetrain clutches (236) slide in the drivetrain between the DISG (240) and the engine (10) to stop the engine (10) in the desired position. A method for stopping a vehicle engine and a vehicle are also proposed.EFFECT: reduced engine-starting period and fuel economy, emission reduction.20 cl, 48 dwg

Control method of fuel dose by pneumatic drive of fuel casing of free fuel energy module with general external combustion chamber // 2642006
FIELD: fuel combustion devices.SUBSTANCE: control method for fuel dose by pneumatic drive of fuel injector of free piston power module with common external combustion chamber (ECC) is proposed. Compressed air for driving fuel injector is taken from compressed air supply line to ECC 1, enters air accumulator 31 and charges it. In order to set supply of required fuel dose to ECC 1, control system installs fuel dose installer 32 at corresponding set fuel dose. To supply fuel to ECC 1, control system switches the compressed air supply control valve 33 to position where compressed air from accumulator 31 enters one of cavities of fuel injector drive piston 36. Under air pressure effect, piston 36 moves towards ECC 1, is connected to plunger 37 of fuel injector and, together with it, moves to stop 38 as far as it will go. Fuel from plunger cavity 37 is fed to ECC 1. In order to prepare fuel injector for the next fuel supply cycle, control system switches compressed air supply control valve 33 to position where compressed air from pneumatic accumulator 31 enters other cavity of fuel injector drive piston 36. Piston 36 moves in the opposite direction from the ECC. Plunger 37 of fuel injector, under the action of plunger spring 43, also moves in the opposite direction from ECC. At the same time, fuel from fuel tank is absorbed through check valve 44 into cavity of fuel injector plunger.EFFECT: control method for fuel dose by pneumatic drive of fuel injector of free piston power module with common external combustion chamber (ECC) is proposed.1 cl, 3 dwg

ethod of controlling the level of charging the pneumatic accumulator of a two-motor engine with external combustion chamber // 2641998
FIELD: engines.SUBSTANCE: invention relates to two-stroke engines with an external combustion chamber. Concept of the invention consists in the fact that a two-stroke engine with an external combustion chamber includes a pneumatic accumulator, control system and a valve to release excess air into the atmosphere. To match the level of charging of the accumulator with the engine power set and the optimum excess air factor, the control system opens the valve for discharging excess air into the atmosphere at the time. When the pressure in the pneumatic accumulator reaches a level, at which the required pressure of air supplied to the external combustion chamber is ensured.EFFECT: technical result consists in higher engine efficiency.1 cl, 1 dwg

ethod of pneumatic drive of two-valved gas distributor of a free piston power module with a generic external combustion chamber // 2641997
FIELD: power machine building.SUBSTANCE: invention relates to power plant engineering. Method of pneumatic drive of two-valved gas distributor of free piston power module with generic external combustion chamber is following. Compressed air for driving the pneumatic two-valve gas distributor of power module is taken from compressed air supply line to external combustion chamber, enters pneumatic accumulator and charges it. To open gas distribution valve, managing system sets control valve to the position of gas distribution valve, at which air from accumulator enters drive piston cavity of gas-distributing valve, when compressed air enters that gas-distributing valve opens into, and combustion products from external combustion chamber enter piston cavity of power module's expansion machine. To open gas distribution valve, controlling system sets control valve to the position of gas distribution valve, at which air from accumulator enters drive piston cavity of gas-distributing valve, when compressed air enters that the gas valve closes into. After exhaust cycle of exhausted combustion products, combustion product inlet valve is transferred to closed position and exhaust gas valve to the open position. For this, controlling system transfers control valve through air flow of inlet-outlet valve to the position, at which air from pneumatic accumulator enters that drive piston cavity of the inlet-outlet valve, when compressed air enters into which, combustion product inlet valve closes and exhaust gas valve opens. Exhausted combustion products from piston cavity of power module expansion machine are thrown into the exhaust manifold. In order to return the combustion product inlet valve to open valve and flue gas exhaust valve to the closed position, the control system transfers the control valve of the air flow of inlet-outlet valve to the position, in which air from pneumatic accumulator enters the cavity of the inlet / outlet valve piston, when compressed air enters one into which the combustion product inlet valve opens into, and flue gas discharge valve closes into.EFFECT: invention provides increase of gas exchange processes intensity in the cylinders of a free-piston power module with an external combustion chamber in the entire range of loads on the power module.1 cl, 2 dwg

Exhaust gas utilisation system, particularly for automobile comprising feed pump // 2641809
FIELD: engines and pumps.SUBSTANCE: exhaust gas utilisation system for automobile with internal combustion engine comprises the feed pump. According to the invention, at least one temperature sensor (TG, TA) is installed in the exhaust gas system for direct or indirect determination of actual temperature of the working medium. At least one said temperature sensor (TG, TA) is connected to a control unit (S) for controlling the pump drive. In the control unit (S), at least one limit value for the temperature is set, with which the actual value of the working medium temperature is compared. When the limit value of the temperature is not reached by the control unit (S), the pump drive and the pump feed are switched off, and if this limit value exceeds or at least one limit value is exceeded by a given value which is higher than the second limit value of the temperature, the pump drive and the pump feed are switched on.EFFECT: invention provides the use of exhaust gases to protect the feed pump from damage at low temperatures.21 cl, 3 dwg

ethod for engine (versions) // 2641806
FIELD: engine devices and pumps.SUBSTANCE: method for engine (10) is that the intake air is directed from the intake manifold (22), downstream of the compressor (14), to the exhaust manifold (36), upstream of the turbine (16), by external recirculated exhaust gases (EGR) and positive overlapping of the valves (62), (64) through the cylinder (30). The direction of intake air through the external EGR is that the EGR valve (52) is opened in the EGR channel (51) located between the intake manifold (22) downstream of the compressor (14) and the exhaust manifold (36) upstream of turbines (16). The amount of air directed through the EGR and the air directed through the positive overlapping of the valves are adjusted based on the operating conditions of the engine. Invention discloses versions of described method for engine.EFFECT: increased turbocharger performance.20 cl, 4 dwg

System and method for feeding fuel to rocket engine // 2641802
FIELD: engines and pumps.SUBSTANCE: invention relates to a system for feeding rocket fuel to a rocket engine (2) comprising a first tank (3), a second tank (4), a first power supply system (6) connected to the first tank (3), and a second power supply system (7) connected to the second tank (4). For cooling the rocket fuel contained in the second tank (4), the first power supply system (6) includes a branch (12) passing through a first heat exchanger (14) built in the second tank (4). The invention also relates to a method of feeding rocket fuel to the rocket engine (2).EFFECT: maintaining pressure in the tanks above the minimum limit.14 cl, 9 dwg

ethod for gaseous fuel engine operation // 2641795
FIELD: engines and pumps.SUBSTANCE: method for operating an engine comprising a throttle valve opening controlling the air flow into an engine inlet manifold depending on the pressure drop in the inside-opening nozzle for gaseous fuel exceeding the threshold pressure value. The pressure difference is the difference between the pressure of the gaseous fuel in the nozzle and the inlet manifold vacuum. Since the increased vacuum in the inlet manifold can prevent rapid opening of the nozzle valve (needle disengagement from nozzle seat), the vacuum in intake manifold is reduced by opening of throttle valve at an engine start.EFFECT: reduced probability of engine start delay, it is also possible to reduce opening voltage supplied to the nozzle solenoid valve.12 cl, 8 dwg

ethod and device for rocket engine power supply // 2641791
FIELD: engines and pumps.SUBSTANCE: invention relates to a device for feeding the chambers of rocket engines (100) with the first and second propellant components. The first power supply circuit (16) of the thrust-generating chamber (10) includes a turbo pump (22) having at least one pump (22a) for pumping the first propellant component from a first tank (12) and a turbine (22b) mechanically connected to said pump (22a). The first power circuit connects the pump output to turbine input through a heat exchanger (24) configured for heating the first rocket fuel component by heat created by thrust-generating chamber in order to operate the turbine. In accordance with the present invention, the second power supply circuit (18) is arranged to supply the second propellant component creating the thrust chamber by the second propellant component from the second tank (14) which is configured to maintain high pressure. The present invention also provides a method for feeding the thrust-generating chamber of the rocket engine chamber with the first and second propellant components.EFFECT: increased pressure in tanks containing rocket fuel components.13 cl, 2 dwg

Oil pan of internal combustion engine // 2641788
FIELD: engines and pumps.SUBSTANCE: oil pan of internal combustion engine comprises side walls, a bottom with oil a collector in the form of a recess, a drain and magnetic plugs, an intake device, a vertical filtering partition dividing the pan into cleaned and crude oil cavity, a guide plate installed with inclination towards crude oil, an adjusting gate under the vertical filtering partition installed in the lower horizontal guide, according to the invention, the lower horizontal guide is provided with a longitudinal slit and has elastic elements in the form of bent plates, which are fixed by the upper edge on the slit walls, and the base of the adjusting gate is made conical.EFFECT: reduced labour input and improved quality when performing maintenance of the internal combustion engine.2 cl, 4 dwg

Gas turbine engine control system // 2641786
FIELD: engines and pumps.SUBSTANCE: method includes stages for controlling the supply of liquid fuel to a burner with high output power to provide high output power with extreme temperature at turbine inlet and control the supply of liquid fuel to the burner with low output power to provide low output power with limit pressure in the liquid fuel collector.EFFECT: elimination of soot in the fuel combustion system, elimination of necessity in disassembling, cleaning and repair of burners after short operation period on liquid fuel under low loads, providing improved switching between the supply of gaseous and liquid fuel, reduction of emissions from the engine.15 cl, 5 dwg

Low-thrust rocket engine on gaseous hydrogen and oxygen with jet-type injectors in air cross-flow // 2641785
FIELD: engines and pumps.SUBSTANCE: low-thrust rocket engine on hydrogen gas and oxygen comprises a fuel ignition spark plug, a mixing head providing mixing of fuel and internal cooling of the combustion chamber wall, combustion chambers and nozzles, in the air cross-flow of oxygen there are jet nozzles of jet type provided in the mixing head of the engine, the total flow vectors of which are directed in a plane perpendicular to the axis of the engine towards each other.EFFECT: improved combustion of gaseous hydrogen and oxygen.4 cl, 1 dwg

ethod for blowing condensate from boost air cooler // 2641784
FIELD: engines and pumps.SUBSTANCE: methods of controlling the engine are explained. The essence of the invention is that depending on the increased level of condensation accumulated in the charge air cooler, the air flow through the engine is increased to a level that allows the condensate to be removed, the actuator, which keeps the engine torque at the required level, is regulated. Problems associated with the combustion stability in the engine cylinders are addressed by adjusting fuel supply to each individual cylinder at the time of condensate entry.EFFECT: increase the reliability of the engine by eliminating misfiring due to the entry of condensate from the charge air cooler into the cylinders.20 cl, 10 dwg

Gear box for power take-off in gas turbine engine consisting of kinematic circuit with engagement lines arranged in non-parallel planes // 2641777
FIELD: engines and pumps.SUBSTANCE: gear box of the gas turbine engine for actuating its additional equipment comprises a housing, a kinematic circuit within the housing, a row of gears, and a power take-off mechanism for engagement with transmission shaft of the gas turbine engine. The housing comprises attachment points to the gas turbine engine and to the equipment, and the kinematic circuit comprises at least two end engagement lines arranged in non-parallel planes and joined to each other by adjacent engagement consisting of a pair of gears with non-parallel axes. At least one end engagement line at the end of the kinematic circuit is placed in the end branch of the housing which has the largest dimension in the axial direction of the gas turbine engine when the gearbox is attached to the gas turbine engine. Another engagement line is placed in the intermediate branch of the housing, in the circular section that partially surrounds a portion of gas turbine engine circumference when the box is attached to the gas turbine engine.EFFECT: invention makes it possible to reduce the overall dimensions of the gear box of the gas turbine engine.6 cl, 5 dwg

Controlling means for turbine with multiple combustion chamber // 2641776
FIELD: power industry.SUBSTANCE: system for the progressive oxidation of fuel includes an oxidation reactor that has a reaction chamber with an inlet and an outlet. The reaction chamber is configured to receive a fluid containing the oxidizable fuel through the inlet. The oxidation reactor is designed to maintain the process of flameless oxidation. The system also includes the combustion chamber with an inlet and an outlet. The inlet of the combustion chamber is in fluid communication with the outlet of the reaction chamber. The combustion chamber is configured to receive fluid from the reaction chamber and selectively heat the fluid. A method for triggering a progressive oxidation in a gas turbine and a version of a system for progressive oxidation of fuel are also presented.EFFECT: improved control of fuel oxidation process.31 cl, 21 dwg

Gas-liquid heat-exchange system with plurality of fluid flow modes // 2641772
FIELD: power industry.SUBSTANCE: pipe system for transferring heat from exhaust gas flow to feed water containing an economizer that includes four sections, as well as heat exchanger, and a plurality of valves. In this case, the economizer sections are within said gas flow, and the heat exchanger is outside this flow. In addition, the valves can be arranged in different configurations, which allows to provide a plurality of flow modes for controlling the temperature of feed water entering the gas box. A flow control method is also provided.EFFECT: invention enables to avoid damage of pipes of heat-recovery flow generator caused by strong corrosive action of sulfuric acid on material of pipes by raising the temperature of feed water in the heat exchanger which is external in relation to exhaust gas flow.24 cl, 6 dwg

Aircraft engine ignition device // 2641763
FIELD: engines and pumps.SUBSTANCE: engine ignition device comprises at least two spark plugs, a power supply source, a first channel for supply of a first spark plug and a second channel for supply of a second spark plug. Said channels are connected to the power supply source via power distribution means controlled by control system of FADEC type. Said distribution means comprise a first circuit for alternate feed of said first channel or said second channel and a second circuit for simultaneous feed of said first and second channels. The device is designed to use either the first circuit or the second circuit during the start-up.EFFECT: increased reliability of engine start-up.12 cl, 2 dwg

Rotary axisymmetric nozzle of turbojet engine // 2641425
FIELD: engines and pumps.SUBSTANCE: nozzle comprises a fixed body with a spherical hollow tip and a rotary device mounted for rotating about the axis that is transverse to the longitudinal axis of the engine. The fixed body with the spherical tip and rotary device are provided with screens on the side of their inner surfaces forming a cooling channel. Inside the spherical hollow tip there are Z-shaped frames rigidly attached to the inner and outer surfaces of the tip. There are holes for passing cooling air configured on free surfaces of the frames and on the rear flange of the spherical hollow tip, and on the inner and outer surfaces of the spherical tip, as well as between the frames on its inner surface.EFFECT: invention makes it possible to increase reliability of nozzle operation by providing more uniform cooling of the nozzle body spherical hollow tip.3 dwg
ethod of modelling of process of gasification of liquid rocket fuel in tank of carrier-rocket and device for its implementation // 2641424
FIELD: aviation.SUBSTANCE: method for modelling the process of gasification of the liquid component of rocket fuel in the tank of the carrier-rocket, based on the supply of heat to the experimental model set (EMS), carrying out measurements of temperature, pressure at various points of EMS, discharge of vapour-gas mixture (VGM) through the drain line (DL), while the charging of the boost gas and the conductive supply of heat to the EMS are carried out, the amount of which is determined from the condition of equality of the partial pressures of the pressurant gas and liquid vapour in the EM and the fuel tank, and the total pressure corresponds to the beginning of the discharge of the VGM in the DL, the diameter of the DL is determined from the condition for resetting the preset excess pressure for the same time as in the real tank. Actuation pressure of a draining valve is selected first from a predetermined interval, the lower limit of which is the minimum boost pressure in the tank, and the upper one is the maximum pressure at which the strength of the design of the EMS remains, determine the range of parameters of the gasification process, under which condensate appears on the inner surface of the DL and crystallization, perform additional heat supply to the DL to prevent its freezing. It is considered the device for the realization of the method, which includes the EMS in the form of a model tank containing a tray for liquid, a temperature sensor, a pressure sensor, an inlet nozzle, DL, a drain valve, and a gas analyzer, while heating elements for liquid and DL are introduced in the EMS, an equipment for recording condensate and its crystallization is installed in the DL, and EMS and DL are made of a material similar to the material of the fuel tank of the carrier rocket under investigation.EFFECT: detection of the conditions of condensate in the drainage line with subsequent crystallization during refuelling of the launch vehicle with cryogenic components of fuel or parking in the primed state at the start with the thermal loading of the fuel tank from the environment.2 cl, 1 dwg

ethod of engine operation (versions) // 2641423
FIELD: engines and pumps.SUBSTANCE: methods and system for controlling injection of water into the disconnected cylinders based on duration of engine operation in mode with one or several disconnected cylinders and the temperature of catalytic converter of exhaust gases are proposed. The invention enables to reduce saturation of catalytic converter with oxygen due to injection of water into disconnected cylinders, which expands and turns into steam, prevents air from getting into the disconnected cylinders and entering the catalytic converter.EFFECT: reduction of necessity for regeneration of catalytic converter of exhaust gases after disconnection of cylinders, prevention of decrease of catalytic converter efficiency, improvement of fuel efficiency and reduction of toxicity.18 cl, 8 dwg

Output device aircraft engine and group of aircraft engines of power unit (versions) // 2641341
FIELD: engines and pumps.SUBSTANCE: aircraft engine output device contains an outlet nozzle (1), a main engine outlet nozzle (2), at least one rotary damper (3), a control gear drive and a noise silencer (4). The device is provided with additional outlet nozzle (5) and a distributing branch pipe (6) coaxially connected to outlet branch pipe (1) of the engine and divided in the zone of rotary damper installation into two branch pipes connected to each other from the side of outlet branch pipe, each of which is provided with outlet nozzle, the main one (2) is in the form of the main outlet nozzle of the engine, and the other one is additional (5). The noise silencer (4) is located in one of the branches before the additional outlet nozzle (5). Actuator of the control mechanism is connected to the damper (3). The rotary damper (3) is installed for alternate closure of each of the branches.EFFECT: invention improves efficiency of noise suppression during take-off and landing, reduces pressure losses of the outlet jet and fuel consumption during cruising operation.12 cl, 6 dwg

Wastegate valve control to reduce condensate in charge air cooler // 2641326
FIELD: engine devices and pumps.SUBSTANCE: method of reducing the condensate in the charge air cooler (80) in the engine system (10) is that during the engine operation, a boost pressure regulator (26) is tuned in the bypass path around the turbine (62) located in the engine outlet channel (48). The regulator (26) is adjusted in response to the condensate forming conditions in the charge air cooler (80) when the intake air pressure measured upstream of the throttle (21) and downstream of the charge air cooler (80) in the engine intake passage (42), more than the required level. The required level is based on the requirement of engine torque (10). Versions of method for reducing the condensate in charge air cooler in engine system are disclosed.EFFECT: preventing the build-up of pressure at the intake in front of the throttle and preventing the formation of condensate in the charge air cooler.20 cl, 5 dwg

ethod for regeneration of particulate filter // 2641325
FIELD: engines and pumps.SUBSTANCE: method for regeneration of particulate filter during the use of the engine producing exhaust gases, in which the first part of the process is carried out by exhaust gases, which comprises the following steps: (a) estimating consumption of fuel to be added to the exhaust gases to reach the required temperature; (b) adding fuel with said consumption rate to the exhaust gases; (c) combusting at least a portion of said fuel in said exhaust gases to increase the temperature of exhaust gases; (d) monitoring the value of exhaust gases temperature and comparing it with required temperature to determine the value of deviation; and (e) storing the value of deviation determined at step d in the memory device; then the second part of the regeneration process is carried out, which includes stage (f) of the step (a) with application of stored value of deviation for correcting the estimated value of fuel consumption, which must be added to the exhaust gases to reach the required temperature.EFFECT: increased reliability.15 cl, 12 dwg

Low-thrust liquid-propellant rocket engine // 2641323
FIELD: engines and pumps.SUBSTANCE: liquid rocket engine of low thrust (LRELT) contains a chamber 1, a mixing head with an inner bottom 2, an axial centrifugal nozzle 3, a peripheral belt of the jet nozzles 4, the annular conical deflector 5 between them, wherein the centrifugal nozzle slice 6 is recessed from the outlet edge 7 of the deflector surface forming surface toward the peripheral belt of the jet nozzles 4, a cavity of the combustion chamber 8 above the outer surface 9 of the deflector and a cavity 10 under the inner surface 11 of the deflector and an inner bottom of the mixing head are communicated by channels 12, which are offset from the nozzle holes by half a step (α/2). With this design, the nozzles 4 do not experience perturbations when the engine is running.EFFECT: increase of power characteristics of the engine, reliable cooling of the combustion chamber and the mixing head.5 dwg

ethod of operation of engine with cooled recovery system of exhaust gases // 2641194
FIELD: engines and pumps.SUBSTANCE: method of operation of the engine with a cooled exhaust gas recirculation (EGR) system is to supply cooled EGR gases to the engine cylinders. The concentration of internal EGR gases supplied to the engine cylinders, depending on the concentration of cooled EGR gases supplied to the engine cylinders, with reduced engine load, is increased. The concentration of internal EGR gases is increased as the concentration of cooled EGR gases increases. Additionally, the concentration of cooled EGR gases supplied to the cylinders of the engine is reduced by closing the EGR valve and increasing the overlap of the opening time of the intake and exhaust valves while reducing the load on the engine until the speed of the load reduction on the engine does not exceed the threshold for reducing the load on the engine. A version of the engine operating method with a cooled exhaust gas recirculation system and an engine system are explained.EFFECT: reduction of the probability of ignition misfire in the engine when it is operating with cooled EGR gases and reducing emissions NOx with small loads on the engine.18 cl, 3 dwg

Afterburner of the two-convention turboreactive engine // 2641191
FIELD: engines and pumps.SUBSTANCE: afterburner combustion chamber of turbojet engine contains chassis, connected to the turbine, nozzle, fuel, or fuel-air collectors, injectors are connected with the jets. Before the mixer in the second circuit, an additional collector with sprayers is installed. Sprays of the additional collector are located in the middle of the pockets of the mixer, which ensures the creation of a fuel-air mixture with an air excess factor equal to the same coefficient in the hot gas behind the turbine.EFFECT: invention makes it possible to obtain a gas flow with the required excess air factor at any point in the section ahead of the front-mounted device of the afterburner, which simplifies the problem of uniform distribution of afterburner fuel in cross section.2 dwg

Vehicle engine (versions) and vehicle comprising such engine // 2641181
FIELD: transportation.SUBSTANCE: engine comprises an engine oil reservoir, an exhaust system, and a thermoelectric device. The exhaust system is made with the possibility to remove exhaust gas from the engine, and the thermoelectric device is connected to a power source and has a hot and a cold side. The hot side interacts with the exhaust engine gas, and the cold one - with the engine oil reservoir. The engine oil reservoir has an inner surface portion including one or more fins facilitating heat exchange with the thermoelectric device. The vehicle engine versions and the vehicle are disclosed.EFFECT: increasing the fuel economy and increasing the speed of warming up the vehicle engine.37 cl, 1 dwg
Operating method of internal combustion engine with heat regeneration in cycle and motor used for its implementation // 2641180
FIELD: engines and pumps.SUBSTANCE: in an engine containing at least two cylinders, the air is compressed in a compressor cylinder, it is transferred through a heat exchanger where heat is regenerated from the combustion products, into the working cylinder, in which the fuel is injected, its combustion with carrying out of expansion work. The presence of a system for monitoring and maintaining the pressure in the air circuit of the heat exchanger is new for carrying out the thermodynamic cycle and ensuring the engine's operability. The system for maintaining the pressure in the air circuit of the heat exchanger includes an occasional pumping compressor, a compressed air receiver, and system monitoring and control equipment.EFFECT: increase in the efficiency of the internal combustion engine.4 cl, 3 dwg

ethod of forming reactive forces of motion from air-dynamic part of jet and device for realization of this method // 2641178
FIELD: engines and pumps.SUBSTANCE: method is carried out by means of transverse extrusion of the required air mass for a combustion chamber from accelerating air column by jet from the channel formed by a blade rotor in a cylindrical body with subsequent replacement of accelerated air mass onto newly formed air mass with subsequent replacement of already cut part of reactive jet on column of air, which is carried out in the blind position of the channel by the lateral filling of the released space with air from the surrounding space through a screw window of a body in the period of its movement for getting into the jet from the other side. Lateral extrusion of the air mass from its volume is possible at the formation of a considerable internal pressure from the head of the jet to the counter-acting force of the resistance to acceleration of the free air mass in the channel, which requires the absence of the initial movement in the associated direction and its excess in the volume, which are allocated for the traction force increase.EFFECT: increased efficiency of the air-jet engine by the steady supply of air mass under any operating conditions with a concomitant increase in traction force.2 cl, 6 dwg

Liquid-propellant rocket engine chamber with controlled nozzle // 2640903
FIELD: engine devices and pumps.SUBSTANCE: chamber comprises a cooled part of nozzle and an uncooled header of carbon-carbon composite material, steering assemblies and a frame, according to the invention, in the uncooled header, there are niches in which several sections of a detachable earth nozzle are disposed, having rotation shafts tangential in the area of the joint of uncooled header cooled part of the nozzle, mounted in brackets fixed to the cooled part of nozzle and connected by steering units to the engine frame.EFFECT: increasing the efficiency and reliability of work along the entire rocket flight path.3 dwg

Oil-system of the gas turbine engine of the maneuvered aircraft // 2640900
FIELD: engines and pumps.SUBSTANCE: overflow valve is set behind the fuel-oil heat exchanger, and the overflow valve with internal piping products reported circulation compartment so that the outlet pipe is located at the top the recirculation cavity and down toward the septum, which separates the bays of each other.EFFECT: duration of the figured flights of the aircraft is prolonged, the reliability of the oil system is increased due to the bypass of the cooled oil in the tank, and the stable supply of oil to the entrance to the engine when the aircraft is flipped.1 dwg

Combustion chamber of liquid-propellant engine with afterburning of generator gas // 2640893
FIELD: engine devices and pumps.SUBSTANCE: combustion chamber comprising a gas conduit, a mixing head with mixing elements, a chamber body and fuel supply lines is described, according to the invention, in the region of chamber minimum section, a toroidal gas conduit is made, the cavity of which, by means of a finned path made on the outer wall of the chamber body and head outer bottom, is connected to head mixing elements.EFFECT: increasing the reliability of combustion chamber and reducing the linear size of combustion chamber.4 dwg

Engine operation method (versions) and engine control system // 2640882
FIELD: engine devices and pumps.SUBSTANCE: operating method is for engine (10) comprising a central throttle (62), a plurality of throttles (83), an air flow sensor (122) and a controller (12) functionally connected therewith. The flow of air delivered to the engine (10) is measured by the air flow sensor (122). It is determined whether the difference of the flow distribution between a plurality of throttles (83) of an opening is larger than the threshold difference of the flow distribution. If the measured air flow of the engine is less than the threshold air flow through the controller (12), the opening value of at least one of the plurality of throttles (83) of the opening is increased when the opening value of the central throttle (62) is reduced in response to the determination. The method of the engine operation and the engine control system are disclosed.EFFECT: reduced filling time of the engine intake manifold.19 cl, 4 dwg

Adjustable control of limit power in gas turbines // 2640874
FIELD: power industry.SUBSTANCE: method includes a step of determining at least one operational parameter of the gas turbine plant and a step of determining the power limit value depending on at least one determined operational parameter. While at least one operational parameter of the gas turbine plant includes ambient pressure of the medium and increase in the power limit value occurs when the ambient pressure increases.EFFECT: increasing the accuracy and flexibility of matching the power limit for the control of a gas turbine plant under varying environmental conditions.9 cl, 4 dwg

Control device for internal combustion engine // 2640867
FIELD: engines and pumps.SUBSTANCE: internal combustion engine includes an exhaust gas monitoring device disposed in the exhaust passage of the internal combustion engine and a fuel supply device configured to supply fuel to the exhaust gas monitoring device. The control device contains an electronic control unit. Electronic control unit with control of the fuel supply fuel supply device for regeneration control in such a way that the temperature of the exhaust gas control devices rises and particulates, besieged at exhaust control device burn out. The electronic control unit provides the temperature increase exhaust control devices the first-speed increase in temperature for regeneration control when the temperature of the exhaust gas control devices is in the first temperature range. The electronic control unit provides an increase in the temperature of the exhaust gas monitoring device with a second rate of temperature increase as regeneration control when the temperature of the exhaust gas monitoring device is in the second temperature range. The second rate of temperature rise is lower than the first temperature increase rate, and the second temperature range is higher than the first temperature range. The electronic control unit provides the conditions for burning solid particles by maintaining the temperature of the exhaust gas monitoring device in the third temperature range as regeneration control when the temperature of the exhaust gas monitoring device is in the third temperature range. The third temperature range is higher than the second temperature range. The electronic control unit provides control of temperature control devices, exhaust gas at idle mode of operation so that it is equal to or less than the temperature of the exhaust gas control devices at a time when the engine internal combustion engine is included in the status of idling operation mode to manage the prevention of temperature increase when the temperature of the emission control devices during the regeneration control is the second temperature range and internal combustion engine is in idle state.EFFECT: preventing the formation of white smoke when the engine is idle.6 cl, 10 dwg
Working tool // 2640850
FIELD: agriculture.SUBSTANCE: working tool has a working member and an internal combustion engine that drives the working member. The internal combustion engine has a rotatable crankshaft. The working tool has an excess fuel device for the internal combustion engine, which comprises a mode selection switch operated by the user. The excess fuel device has the operating position and at least one start position. The working tool has a return device switching the excess fuel device from the start position to the operating position, if the crankshaft rotation speed exceeds the return frequency. The return device blocks switching the excess fuel device to the start position at a rotation speed higher than the return frequency.EFFECT: simplicity of the working tool design, excluding errors in control.11 cl, 10 dwg
Work tool // 2640842
FIELD: agriculture.SUBSTANCE: work tool with a drive motor for driving at least one working element and with a control device for the motor that comprises a user-operated control element. The control element is movably placed in the housing and is made movable in the direction (57, 70) from the zero position (74) to the maximum position (75). Between the zero position (74) and the maximum position (75), an intermediate stop (55) operates, the position of which is adjusted by the positioning element (17). After reaching the intermediate stop (55), it is possible to further act on the control element up to the maximum position (75), with increasing control force (F) to further actuate the control element while reaching the intermediate stop (55). After the intermediate stop (55) has been overcome, when acting on the control element, the control force (F) decreases again in the action direction (57, 70).EFFECT: invention makes it possible to create a work tool on which it is possible to work without fatigue also at high rotation speeds and which facilitates operation at various reduced speeds.19 cl, 21 dwg

ethod and device for converting alcohol to fuel mixture // 2640801
FIELD: chemistry.SUBSTANCE: alcohol at a suitable reaction temperature is converted into a fuel mixture in the reactor, the ratio between the alcohol fraction, the ether fraction and the water fraction in the fuel mixture is controlled by controlling, at least, one reaction parameter flowing in the reactor. This, at least, one controlled reaction parameter is the temperature and/or pressure in the reactor and the control of the said, at least, one reaction parameter is effected depending on the operating parameters of the exhaust gas processing system and/or depending on the operating parameters of the internal combustion engine, and/or depending on the properties of the alcohol to be converted.EFFECT: improved method.14 cl, 1 dwg

ethod of operation of drive on leading wheels (versions) and vehicle // 2640433
FIELD: transportation.SUBSTANCE: method of operation of the drive on the leading wheels includes the stages at which the engine rotation is stopped and a regenerative braking is provided by driving on the leading wheels. Then regenerative braking is switched to providing a positive torque to the drive on the leading wheels and the starter/generator integrated into the drive on the leading wheels is actuated in the rotation speed control mode during the switching. Also, the torque converter clutch slip is increased when switching from the regenerative braking to the providing a positive torsion torque to the drive on the leading wheels.EFFECT: failure of the torsion torque is eliminated.19 cl, 48 dwg

Engine starting method (versions) and engine starting system of vehicle with hybrid drive // 2640162
FIELD: transportation.SUBSTANCE: engine starting method comprises the stage of predicting the required torque after activating the transmission overdrive. Then, the stopped motor starts to rotate, if the predicted required torque after activating the transmission overdrive is greater than the torque threshold.EFFECT: torque response is increased under different conditions.20 cl, 48 dwg

ethod for calibrating nox emissions at engine and diesel engine output and control system // 2640148
FIELD: engines and pumps.SUBSTANCE: obtaining the state of one or more post-processing devices and controlling one or more parameters of an engine to increase or reduce NOx emissions at the engine output based on the state of particular or each post-processing device, at that obtaining the state of a specific or each post-processing device includes the step of measuring or evaluating the sulphur contamination of the post-processing device, or the level of fuel in the oil, or the accumulation efficiency of the NOx accumulation device, or the level of additive in the tank at the outlet of the engine.EFFECT: emissions rate management.9 cl, 2 dwg
 
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