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

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

System and method for evaporating gas processing on the ship // 2628556
FIELD: transportation.SUBSTANCE: ship includes the liquefied gas storage tank and the medium pressure gas engine, that uses the liquefied gas stored in the storage tank as the fuel. In addition, the ship also includes a system and method for processing the evaporating gas (BOG), in which the BOG leaves the storage tank and it is compressed. Most part of the BOG is used as the fuel for the ship engines, and the part of the other BOG is liquefied by the BOG cold energy, that has just left the storage tank and returns to the storage tank.EFFECT: effective use of the evaporating gas on the ship.20 cl, 6 dwg

Control unit for internal combustion engine // 2628471
FIELD: engine devices and pumps.SUBSTANCE: control unit is designed for the internal combustion engine (2). Engine (2) includes a throttle valve (24) located in the intake duct (10), an EGR channel (30) for recirculating exhaust gas to the side behind the throttle valve (24) in the intake duct (10), and a valve (32) EGR located in the EGR channel (30). Control unit (50) controls fresh air volume by means of throttle valve (24) and by means of EGR valve (32) to determine the closing degree of throttle valve (24) and the opening degree of EGR valve (32), respectively, so that cause the approximation of fresh air volume or the quantitative parameter of the state, correlated with fresh air volume, to the target value. Control device (50) comprises a differential pressure control means and a switching control means. Differential pressure control means is designed to control the differential pressure of throttle valve (24) and the differential pressure control of EGR valve (32). Differential pressure control of throttle valve (24) is a control for adjusting the first differential pressure, which is the difference between gas pressure on the inlet side of throttle valve (24) and gas pressure on the exhaust side of throttle valve (24) in intake duct (10), target differential pressure of throttle valve (24) during fresh air volume control with EGR valve (32). Differential pressure control (32) of EGR valve is a control for adjusting the second differential pressure, which is the difference between gas pressure on the inlet side of EGR valve (32) and gas pressure on the exhaust side of EGR valve (32) in EGR channel (10), target differential pressure of EGR valve (32) during fresh air volume control with throttle valve (24). Switching control device is intended to switch over to controlling the fresh air volume by EGR valve (32) in case if the first differential pressure falls below the target differential pressure of throttle valve (24) during fresh air volume control by throttle valve (24). Switching control device is also intended to switch over to controlling fresh air through throttle valve (24) in case if the second differential pressure falls below the target differential pressure of EGR valve (32) during fresh air volume control with EGR valve (32).EFFECT: increasing the response rate during control before and after switching the control.12 cl, 16 dwg

Fuel distributor // 2628467
FIELD: engines and pumps.SUBSTANCE: invention can be used in internal combustion engine fuel feed systems. A fuel distributor (1) is provided, primarily intended for fuel injection systems in an internal combustion engine with compression of the working mixture and its forced ignition, and having a body (6) and at least one clutch (10) made of at least one plastic. A fuel cavity (7) is formed in the housing (6) of the fuel distributor. In addition, a through channel (20) is provided in the fuel distributor housing (6) at the location of the coupling (10), which on one side communicates with the fuel cavity (7) in the housing (6), and on the other hand communicates with the hollow interior space (21) of the coupling (10). The coupling (10) has a sealing edge (22) with a central opening (24) therein, through which the through channel (20) enters the hollow inner space (21) of the coupling (10).EFFECT: increasing the tightness of the fuel distributor design.8 cl, 2 dwg

Substitutive coolant temperature calculation device of internal combustion engine, equipped with additional heater // 2628466
FIELD: engines and pumps.SUBSTANCE: subject of the invention is a device (50) for calculating the engine coolant substitutive temperature (TEs) when an additional heater has been activated in advance to provide optimum control of the internal combustion engine. This temperature is based on weighing (Cp) between the measured temperature (TEmes) of the coolant and the oil temperature (TH). The coefficient of this weighing (Cp) varies depending on the activation conditions of the heater and it is determined based on a pre-compiled cartography. The calculated substitutive temperature takes into account the thermal state of the internal combustion engine.EFFECT: improved engine start-up, eliminated problems of combustion, stops, fuel overexpenditures and increased emissions of pollutants.10 cl, 4 dwg

Hybrid vehicle // 2628286
FIELD: automotive engineering.SUBSTANCE: hybrid vehicle includes a motor, an electric motor, a driving wheel and a transmission. The coolant supply device comprises a pump and a coolant pressure control device and supplies the cooler to the electric motor and to the transmission as a hydraulic fluid. The control unit controls the coolant supply device based on the load condition of the electric motor by controlling the coolant supply pressure. The electronic control unit increases the supply pressure of the cooler to the electric motor by means of a pressure regulating device, under certain conditions. Also, the electronic control unit controls the coolant supply device so that the coolant supply pressure becomes the first pressure, and so that the supply pressure of the cooler becomes the second pressure which is greater than the first pressure under certain conditions.EFFECT: cooling efficiency of the electric motor is increased.4 cl, 10 dwg

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

ulti-cylinder internal combustion engine (ice) // 2628244
FIELD: engines and pumps.SUBSTANCE: multi-cylinder internal combustion engine is proposed, comprising a plurality of intake ports, a plurality of injectors of fuel injection into the cylinder, and an electronic control unit. The electronic control unit is designed to initially set the value of the control parameter of the multi-cylinder engine, separately for each of the cylinders, so that there is a general pattern between the distribution of the difference in the control parameter value for each of the cylinders from the control parameter value for the reference cylinder between the cylinders and the distribution of the remoteness difference of a narrowed section in each of the cylinders from the remoteness of a narrowed section in the reference cylinder between the cylinders. The control parameter is a parameter which determines the air-fuel mixture ratio near the spark plug at the time of ignition during a combustion mode with a layered fuel charge distribution.EFFECT: ensuring the same fuel-air ratio in the mixture near the spark plug at the moment of ignition in all cylinders.6 cl, 16 dwg
Preliminary heating fluid media device, in particularly fluid media of the combustion engine cooling agent // 2628241
FIELD: heating.SUBSTANCE: heating device for the fluid media contains a heating device with U-shaped fluid media channel (6); and at least one electrical resistor (1), located close to the heating device. The heating device contains a continuous element (2) inside the mentioned device with parts of the fluid media channel (6), which correspond to the U-shape. The continuous heating element (2) contains at least one open groove, extending along and in front of the U-shaped fluid media channel cavity, at that at least one electrical resistor (1) is placed in at least one groove, and at the same time the heating device contains at least one covering plate of at least one groove, designed for fastening to the continuous element.EFFECT: increase of thermal performance and design simplicity.18 cl, 7 dwg

ethod of controlling capacitor ignition unit with induction coil as part of ignition system // 2628224
FIELD: electricity.SUBSTANCE: method for controlling an ignition capacitor with an induction coil as part of an ignition system, which consists in measuring the time interval between consecutive pulses of the discharging current of the storage capacitor to the spark plug, simultaneously with measuring the time interval between consecutive pulses of the discharge current of the storage capacitor to the spark plug during the ignition system operation, measuring the average value of the current consumed by the ignition unit, detecting the short-term increase in the average value of the current consumed and the subsequent increase in the current value of the time interval between the consecutive pulses of the discharge current of the storage capacitor to the spark plug; in the presence of the short-term increase of the average value of the current consumed by the ignition unit and the subsequent increase in time interval between the consecutive pulses of the discharge current of the storage capacitor to the spark plug, decision to replace the ignition unit is made.EFFECT: increasing the depth of the efficiency control of ignition units of capacitor ignition systems of aircraft engines in order to ensure their operation according to their technical condition and to reduce the costs for supporting the life cycle of the engine during the operation phase.5 dwg

ethod for operation of gas-turbine power plant with spent gas recycling and corresponding gas-turbine power plant // 2628166
FIELD: power industry.SUBSTANCE: method for operation of a gas turbine plant (6) comprising a compressor (1) with an inlet cross-section, a combustion chamber (4, 14, 15) and a turbine (7, 16, 17). Gas with reduced oxygen content that has oxygen concentration below the average oxygen concentration in the stream at the compressor inlet and fresh air (2) are fed to the compressor in a radially separated manner. Fresh air is supplied through the outer part (3') of the inlet cross-section relative to the rotational axis of the compressor (1), and gas with reduced oxygen content is supplied through the inner part (3") of the inlet cross-section relative to the rotational axis of the compressor (1). A portion of cooling air in the gas turbine plant is withdrawn from the outer wall of the compressor casing via sampling points of the compressor. Fresh air is withdrawn in the compressor and sent past the combustion chamber in the form of cooling gas while maintaining a low oxygen flow in the compressor, and fed into the combustion chamber from the compressor outlet. The reliable operation of a gas turbine plant with two inlet flows with different gas compositions is achieved, in which the effect of the intake stream with reduced oxygen content on combustion is maximized.EFFECT: possibility of gas mass flow application, with gas having a reduced proportion of oxygen, which provides a certain effect during combustion.15 cl, 5 dwg

Thruster at gaseous hydrogen and oxygen with centrifugal nozzles // 2628143
FIELD: engines and pumps.SUBSTANCE: invention relates to thrusters operating at gaseous hydrogen (H2) and oxygen (O2) as the actuators of control systems for rocket and space equipment. The mixing head has two centrifugal nozzles for supplying fuel and oxidant to the combustion chamber and fuel channels for cooling the wall of the combustion chamber and the nozzle. In order to supply fuel to the combustion chamber, a centrifugal nozzle with a large angle of the flow velocity vector and a coaxial centrifugal oxidant nozzle with a smaller velocity vector angle than the fuel are installed.EFFECT: increased combustion completeness of gaseous hydrogen and oxygen in the engine.1 dwg

ethod for pressure regulation of gaseous fuel in drive (versions) and fuel supply system for gaseous fuel drive // 2628138
FIELD: engines and pumps.SUBSTANCE: mechanical pressure regulator can be modified for gaseous fuel pressure regulation for pressure variation on grounds of an electronic communication on pressure signal, and also of running conditions. According to the version, the regulating pressure in a low-pressure chamber of a pressure reducer can be modified by virtue of a control of a delivery of a gaseous fuel into or out of a pressure reducer reference chamber and by virtue of a following control of a gaseous fuel outlet from a reference chamber into a drive for combustion. The gaseous fuel pressure variation enhances the amplitude operating range of a fuel-injecting nozzle. A fuel supply under a lower pressure in the context of a low fuel requirement allows increasing a fuel injection pulse width. According to the version, the gaseous fuel pressure regulation permits the use of a lower gaseous fuel pressure in the process of a cold start involving only a limit stress for nozzle opening while a lower stress of nozzle opening can be sufficient for gaseous fuel priming with low-pressure priming. According to the other version, the pressure variation permits to obtain rare needs for peak fuel level without the creation of the abnormal loads upon the fuel-injecting nozzles in the context of the continuous injection of a gaseous high-pressure fuel.EFFECT: capability of realizing the minority iteration count of a fuel injection.18 cl, 5 dwg

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

Design of combustion chamber of internal combustion engine with spark ignition // 2628136
FIELD: engine devices and pumps.SUBSTANCE: design of the combustion chamber of a spark-ignition internal combustion engine includes a combustion chamber, a spark plug and a guide portion. The combustion chamber is configured to reproduce a mixed flow that swirls in the axial direction of the cylinder. The spark plug is located in the central part of the top wall of the combustion chamber. The guide portion protrudes from the upper wall of the combustion chamber and is configured to direct an air flow passing through the central portion of the combustion chamber toward the inlet/outlet of the combustion chamber, allowing air to be separated around the guide portion.EFFECT: increased efficiency of ignition and combustion of air-fuel mixture.2 cl, 16 dwg

Actuating unit for explosion engine // 2628113
FIELD: engines and pumps.SUBSTANCE: actuating unit operates the heat generation rate center-of-gravity position so that it fits the reference position in case when the engine cooling water temperature is equal to or higher than the chilling water reference temperature. The unit also operates the heat generation rate center-of-gravity position so that it fits the crank angle on the lead side further than the reference position in case when the engine cooling water temperature is lower than the chilling water reference temperature.EFFECT: provision of the capability to quickly warm up the explosion engine or the oxidation catalyst.19 cl, 25 dwg

ethods for laser ignition and measurement // 2628107
FIELD: engines and pumps.SUBSTANCE: method comprises driving the laser ignition device in the engine cylinder and identifying the engine position in response thereto; and ignition of a mixture of air and fuel in the cylinder by means of a laser ignition device.EFFECT: increased efficiency of starting a hybrid vehicle engine.19 cl, 13 dwg

Humidity sensor of exhaust gas and method of engine operation // 2628105
FIELD: engine devices and pumps.SUBSTANCE: based on the dew point of exhaust gas, method comprises adjusting exhaust gas sensor heater, configured to heat the exhaust gas sensor located in the engine exhaust channel, the dew point is based on the output signal from humidity sensor, located in the exhaust channel.EFFECT: adjusting the operating parameters of engine based on the output signal from the humidity sensor of exhaust gases.20 cl, 7 dwg

Engine control system // 2628019
FIELD: engines and pumps.SUBSTANCE: control device for a motor which uses a parameter of gravity center positioning of heat generation rate determined by the heat generation rate as the heat amount per turn unit of angle of crank-shaft generated by fuel combustion, depending on the engine operating conditions and the vehicle in which engine is installed. In particular, the increase in the turbocharging pressure is performed when the engine and vehicle speeds are lower than the predetermined reference values in the case where heat generation rate center-of-gravity location is further on the delay side than the predetermined crank angle and one or the two from the increase in the fuel injection pressure and displacement towards the fuel injection timing advance are performed when the engine speed or vehicle speed in which the engine is set is equal or higher than the set reference values in the case where the heat generation rate center-of-gravity location is further on the delay side than the predetermined crank angle. Then the fuel economy can be improved by maintaining the heat generation rate center-of-gravity location at a predetermined fixed value regardless of the engine load and/or engine speed, while avoiding an increase in noise and vibration with which make the user to feel uncomfortable.EFFECT: fuel combustion controlling in the internal combustion engine to reduce noise and vibration.10 cl, 9 dwg

Ice control device and control method // 2628009
FIELD: engines and pumps.SUBSTANCE: maximum injection volume from the fuel injection valve (8) for injection into the cylinder can cover the area up to line L2 with respect to the boundary between the area A1 of stoichiometric air-fuel ratio and the area A2 of outlet stoichiometric air-fuel ratio. The engine is driven by injection into the cylinder in the area A1 of the stoichiometric air-fuel ratio. The switching line L3 for switching the injection and stopping the fuel injection valve (41) for injection into the channel is set between the two boundary lines L1 and L2. On the high speed and the high load from the switching line L3, the fuel injection valve for injection into the channel performs additional fuel injection. Switching the injection and stopping the injection into the intake channel is performed in a state when the air-fuel ratio becomes the outlet air-fuel ratio only due to injection into the cylinder.EFFECT: increasing and decreasing the total fuel volume will not affect the torque, and the torque step is small.5 cl, 4 dwg

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

Aircraft fuel supply systems // 2627883
FIELD: aviation.SUBSTANCE: group of inventions relates to fuel supply systems and methods during operation to the aircraft powerplant. The fuel supply system comprises a fuel pipe, a pump, located downstream, a pump disposed in the fuel tank upstream, a pressure sensor located on the inlet or near with the downstream pump and a controller. To supply fuel from the fuel tank to the aircraft powerplant, pumps are used located downstream and upstream, respectively, the pump is controlled in case of the absolute pressure drop at the inlet into the pump located downstream or close to it below a predetermined threshold value.EFFECT: required pressure for fuel supply.13 cl, 2 dwg

Aircraft gas turbine engine nozzle // 2627813
FIELD: engines and pumps.SUBSTANCE: nozzle of gas turbine engine of an aircraft is formed with a channel of variable shape and made perforated, an outer casing is concentrically mounted on the nozzle and fitted in the shape of the nozzle. The casing and nozzle are rigidly fixed to each other by annular walls, forming annular channels between the nozzle and the casing. The annular wall at the outlet section of the nozzle is perforated. The annular channels are interconnected with a longitudinal channel with holes provided on its walls. The longitudinal channel is provided with a gas turbine engine fuel supply element.EFFECT: invention allows to reduce thermal visibility of an aircraft by cooling the nozzle and introducing a liquid-vapour cloud into the outgoing jet.4 dwg

ethod of internal combustion engine operation // 2627762
FIELD: engines and pumps.SUBSTANCE: invention relates to a method of operating an internal combustion engine with autoignition, in particular for vehicles in which a self-igniting liquid fuel is supplied in a mode of operation on one type of fuel, and liquid fuel as an igniter in the mode of operation on two types of fuel, and also a gaseous or liquid alternative fuel, the internal combustion engine operating in two types of fuel operating at a ratio of the recirculation rate in addition to this, the air supply in the intake system is throttled such that an excess air ratio of more than 1 to a maximum of 1.3, preferably from more than 1 to a maximum of 1.2, is set in the exhaust gases, most preferably from 1.03 to 1.1.EFFECT: achievement of small exhaust emission limits in the operation mode of an internal combustion engine on two types of fuel.15 cl, 1 dwg

Actuating device with electric drive, including thermostatic function, valve // 2627761
FIELD: electricity.SUBSTANCE: actuating device comprises of a fixed portion forming a housing including a fluid inlet, a main outlet and the second outlet, and return means applying a mechanical force to the moving part; a moving part comprising of a gate, comprising stem, moving between an opening position and a closing position; a thermostatic device containing a tipping cone disk. The disc tipping at a value above the known critical temperature causes the gate to move to its closing position; a control device providing the creation of the force of the gate retention.EFFECT: control device is controlled so that, at a value below the critical temperature, the opening or closing of the gate occurs as a result of a balance of forces between the retention force and the mechanical force.12 cl, 5 dwg

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

Consequent burning with the dilution gas mixer // 2627759
FIELD: power industry.SUBSTANCE: consequent burner (104), containing the first torch (112), the first combustion chamber (101), the mixer for mixing dilution gas to hot gases, coming out from the first combustion chamber (101) during operation, the second torch (113) and the second combustion chamber (102), disposed consequently in the connection along the fluid medium downstream. The mixer contains the plurality of injection tubes (115), directed inwardly from the side walls of the mixer to mix the dilution gas for cooling the hot fuel gases, coming out from the first combustion chamber (101) with the low pressure drop. The invention additionally relates to the operating method of the gas turbine plant (100) with such combustion device (104).EFFECT: invention makes possible to provide the proper flow conditions at the inlet for the second torch.15 cl, 12 dwg

Gas turbine power plant having recycling of exhaust gas // 2627756
FIELD: machine engineering.SUBSTANCE: gas turbine power plant comprises a gas turbine device comprising a compressor, at least, one burner and, at least, one gas turbine, a heat recovery boiler unit having an inlet side of the boiler connected to the outlet of the turbine, the first boiler outlet connected to the exhaust pipe, the second boiler outlet and an exhaust gas recirculation that connects the second boiler outlet with the compressor inlet. The simplified design can be achieved in that the heat recovery boiler unit has the first exhaust gas path of the boiler, which is connected to the boiler inlet side and leads to the first boiler outlet and in that the heat recovery boiler unit has the second exhaust gas path of the boiler that is connected to the boiler inlet side and leads to the second boiler outlet separate from the first exhaust path of the boiler.EFFECT: invention allows to increase the efficiency of the power plant and to reduce emissions of pollutants.16 cl, 5 dwg

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

Fluid medium loop in the turbomachine // 2627745
FIELD: power industry.SUBSTANCE: fluid medium supply control device to the unit (48), such as the heat exchanger, contains the fluid medium distributor, installed in the fluid medium loop and contains the slide valve, configured to move between two positions, in the first of which it provide the fluid medium circulation in the unit, and in the second one it prevents the fluid medium circulation in the unit. The device also contains tapering with streamline flow in the fluid medium loop, made at the distributor inlet, and the distributor slide valve moving facility of the fluid medium between its two positions by the fluid medium pressure loss in the streamline flow tapering.EFFECT: invention makes possible to increase the oil cooling efficiency.12 cl, 3 dwg

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

Electrohydraulic injector with possibility of formation of supply law // 2627741
FIELD: engine devices and pumps.SUBSTANCE: invention can be used in battery-based fuel supply systems with electronic control for internal combustion engines (ICE). An electrohydraulic injector (EHI) with the possibility of forming a fuel supply law is proposed, comprising of a housing 2 with fuel supply 3.1-3.3 and draining 4 channels placed therein, a valve 14 with an electric drive and an inlet channel 15. The EHI also has a diffuser 6 with spray nozzles 16 and a needle 17 formed therein. Between the housing of the EHI and the end of the needle 17 there is a control chamber 21 communicating with the fuel supply channels 3 through an inlet 22 channel with an inlet nozzle 23 and communicating with the inlet channel 15 through an outlet channel 24 with the outlet nozzle 25. In the control chamber 21 there is an additional valve 26 with a spring and a serial channel 28. The additional valve 26 with the serial channel 28 is made parallel to the outlet channel 24 and has the capability of communicating the control chamber 21 to the inlet channel 15.EFFECT: stable formation of the specified profile of the fuel supply characteristic to reduce emissions of toxic components with exhaust gases and increase in the efficiency of piston engines.9 cl, 5 dwg
Control method of aircraft jet turbine engine // 2627628
FIELD: engine devices and pumps.SUBSTANCE: expected technical result is achieved by the fact that in the known method of controlling the aircraft jet turbine engine, which includes maintaining the preset rotational speeds and gas temperature behind the turbine by means of a regulator, depending on the air inlet temperature, according to the present invention, the regular regulation program conducts its tests in full afterburner mode (engine operation mode with maximum fuel consumption through afterburner collectors) with thrust measurement, then the regulator is adjusted to increase the rotors rotation speed and the gas temperature behind the turbine, not exceeding the maximum permissible values for this type of engine, until a predetermined thrust gain is reached, and regulator values are fixed, and if the predetermined thrust gain is not attained, the values of the regulator are also fixed for the maximum thrust gain, then, on the basis of the obtained data, an additional regulation program for rotors rotation frequencies and the gases temperature behind the turbine is made, it is installed into the engine regulator, then during engine operation, if it is necessary to increase the thrust in excess of the nominal modes, involve an additional program for regulating the rotors rotation frequencies and the gases temperature behind the turbine.EFFECT: possibility of increasing the thrust beyond the normal modes during the engine operation.2 tbl, 2 ex

Aero bypass turbofan engine control method // 2627627
FIELD: engine devices and pumps.SUBSTANCE: gas pressure is measured behind the low-pressure turbine, pressure ratio is determined behind the compressor and behind the low-pressure turbine, lower and upper threshold limit values of low-pressure rotor speed are set for each value of air temperature at the engine inlet with an allowable voltage level in moving blades. Control of low-pressure rotor speed is conducted by controlling the fuel flow to the combustion chamber and changing the area of the critical section of jet nozzle, determined by the ratio of pressures behind compressor and low-pressure turbine, while speed control is performed until low-pressure rotor speed reaches the maximum threshold values.EFFECT: invention allows to achieve maximum value of draft under constraints on the controlled parameters values and control actions.2 dwg

ethod for engine (versions) // 2627623
FIELD: engines and pumps.SUBSTANCE: invention can be used in internal combustion engines with supercharging, used on vehicles. Method for engine (10) includes stage, on which in response to condensate level in supercharging air cooler (166) limiting engine air flow increase with vehicle acceleration. Disclosed are versions of method.EFFECT: technical result consists in reduction of probability of misfires in engine or in reduction of unstable combustion probability.18 cl, 4 dwg

Cylinder sleeve and method of its manufacture // 2627526
FIELD: engines and pumps.SUBSTANCE: method of manufacturing the cylinder liner includes thermal spraying on a rotating model having a cylindrical shape with dimensions corresponding to the dimensions of the cylinder liner, the first wear-resistant, corrosion-resistant layer containing: at least 67% iron, not more than 3% carbon, up to 20 % of chromium, and/or up to 10% of nickel, and thermal spraying onto the first inner layer of a second outer layer of aluminium or an Al-Si alloy or an Al-Mn aluminium alloy or an Al-Mg aluminium alloy. Each layer is sprayed with a thickness of 0.05 to 2.0 mm, and delete the model.EFFECT: ensuring the reliability and simplifying the applied coating technologies of manufacturing cylinder liners.8 cl, 1 dwg, 1 ex

ethod for increasing gas turbine engine life by start number // 2627490
FIELD: engines and pumps.SUBSTANCE: before motoring and starting the engine the hot air is supplied from an external auxiliary gas turbine engine or from a ground facility in the cooling system of the turbine and is heated for 3…6 minutes, after which the engine is started. The parameters of the supplied hot air correspond to the parameters of the air supplied for cooling the turbine of this engine. The supply of hot air is switched off after the engine is switched over to the "low gas" mode.EFFECT: increased engine operational life by the number of starts, of low-cycle fatigue respectively, by reducing the temperature difference in the blades and discs of the turbine due to their preheating with hot air.3 dwg

Rotary piston engine // 2627487
FIELD: engines and pumps.SUBSTANCE: engine contains at least two working chambers formed by the body (1) rotating in it by a working rotor (2) and at least one additional rotor (3). The working fluid flows through at least one channel from at least one working chamber to at least one other working chamber. The channel comprises at least two channel portions that are intended to align with each other for mutual contact. At least one of the channel portion rotates in the body (1). At least one other channel portion refers to the body (1) or is positioned fixedly relative to the body (1).EFFECT: providing of the possibility of implementing different compression degrees and firing points.9 cl, 23 dwg
Automatic drainage for fuel processing devices // 2627324
FIELD: engines and pumps.SUBSTANCE: proposed automatic drainage device comprising a reservoir element for inlet fluid and a member for discharge of fluid. The first valve member can move between an open position for admitting fluid into the reservoir through the element fluid inlet and a closed position to prevent fluid inlet into the reservoir. The second valve member can move between an open position for fluid discharge from the container and a closed position for preventing discharge of fluid from the reservoir. The control mechanism for the translation element fluid inlet and element for fluid discharge into their respective open and closed positions. The sensor is located outside the vessel and for generating an output signal in response to detecting the presence of water, wherein the control mechanism transfers the first valve to an open position and, simultaneously, a second valve in a closed position in response to an output signal of the sensor.EFFECT: reduced costs.16 cl, 7 dwg

ethod and device for gas-fuel supply in internal combustion engine // 2627323
FIELD: engines and pumps.SUBSTANCE: apparatus and a method for the supply of gaseous fuel from the tender in 20 of the internal combustion engine 30 of the locomotive, including fuel storage at ultra-low temperature cryogenic tank 50 to 20 tender; cryogenic pumping fuel from the tank 50 to the first pressure by means of pumps 60 and 70; transfer fuel to a gaseous state under pressure through the first heat exchanger 90 at 20 specified tender; and fuel supply translated into a gaseous state, of the tender 20 in the internal combustion engine 30; wherein the gaseous fuel vapour pressure in the range 310-575 bar.EFFECT: improved method feeder.42 cl, 10 dwg

Ramjet engine with open-type gas generator and adjustable solid fuel flow // 2627310
FIELD: engines and pumps.SUBSTANCE: ramjet engine contains an air intake, a system for supplying solid fuel to the combustion chamber, a gas generator, a combustion chamber and a profiled nozzle extension installed at the outlet of the combustion chamber. The gas generator is made in the form of a drum with through longitudinal channels, wherein solid fuel charges are arranged to move into the combustion chamber. In this case, the drum is connected to an annular perforated grid, the openings of which direct the air flow to the surface of solid fuel charges.EFFECT: increased completeness of solid fuel combustion in the air flow.7 cl, 4 dwg

Gasket, engine (versions) and automobile // 2627236
FIELD: automotive industry.SUBSTANCE: gasket (105, 2100, 3100, 4100) is an integral part of a round ring shape (101). One gasket surface is provided with lubricating grooves (104, 2130, 3130, 4130), and the central axis of the lubricating groove (104, 2130, 3130, 4130) is a curve (103) or a straight line (102). The engine and the automobile, wherein the gasket is used (105, 2100, 3100, 4100) are also proposed.EFFECT: improved device reliability.26 cl, 12 dwg

Ignition control system for internal combustion engine // 2627041
FIELD: engines and pumps.SUBSTANCE: electronic control unit (ECU) (40) provides the ignition signal Si to the ignition device (30) via the ignition transmission line (Li) and outputs the discharge pulse shape control signal Sc with logic value H through the pulse shape control signal transmission line (Lc). The ignition device (30) performs the operation of closing the ignition switch (60) in the time interval during which the ignition signal Si is output. In the time interval for inputting the discharge pulse shape control signal Sc after stopping the input of the ignition signal Si, the ignition device (30) controls the electric current, flowing through the primary winding (52) by the opening-closing operation of the control switching element (80). When the voltage of the pulse shape control signal transmission line Lc is logical value of H in the time interval for stopping the supply of the discharge pulse shape control signal Sc, the ECU (40) determines that the pulse shape control signal transmission line (Lc) is faulty and performs the fault-tolerant process.EFFECT: detection of a fault in the transmission line of the pulse shape control signal, which transmits the control signal of the discharge pulse form.4 cl, 12 dwg

Temperature control system of blade cage in gas turbine engine // 2626923
FIELD: engines and pumps.SUBSTANCE: control system includes the first cooling air source, the second cooling air source, as well as an air temperature control system. The first cooling air source supplies the first portion of the blade cage cooling air withdrawn from the engine compressor section to the first section of the blade cage which supports a plurality of blade rows inside the engine turbine section. The second cooling air source supplies the second portion of the blade cage cooling air withdrawn from the compressor section to the second section of the blade cage spaced from the first section in an axial direction, formed by the direction of the hot working gas flow through the turbine section.EFFECT: invention allows to control the temperature of the blade cage cooling air.5 cl, 5 dwg

System and method of fuel injection pulse width and timing control in the internal combustion engine (versions) // 2626921
FIELD: engines and pumps.SUBSTANCE: various systems and methods for controlling the fuel injection into the engine are proposed. In one example, the setting of the fuel injection timing of the engine cylinder is adjusted during the restart of the warmed-up engine, so that the fuel injector is opened only when the pressure in the cylinder is greater than the threshold pressure in the cylinder. The threshold pressure in the cylinder can be adjusted in response to the pressure in the fuel rail.EFFECT: reduced roughness of used gas toxicity.21 cl, 7 dwg

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

ethod of increasing output for litre in internal combustion engines // 2626918
FIELD: engine devices and pumps.SUBSTANCE: in full load modes, after closing the inlet valves, neutral gas and hydrogen are supplied under pressure through a nozzle, installed in the head. The method is based on the elimination of the surface ignition of fuel mixtures with neutral gas additives and the method of supplying the neutral gas directly to the cylinder.EFFECT: avoidance of reduction of the cylinder filling with air charge, increase of engine power per litre.2 cl, 1 dwg

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

Control unit for internal combustion engine // 2626905
FIELD: engines and pumps.SUBSTANCE: control unit for internal combustion engines (ICE) is proposed, including the first detection unit, detecting the injector nozzle tip temperature as the first parameter and the second detection unit, detecting the heat amount of the cylinder head as the second parameter. The control unit determines whether there will be a condensate on the tip of the injector nozzle after turning off the ICE, by using at least one of the first parameter and the second parameter. The control unit includes the third detection unit which detects an estimated value, which allows to evaluate the state of ICE and compares the estimated value with a threshold value for selecting which parameter from the first parameter and the second parameter is selected to determine condensation at the nozzle tip.EFFECT: reduced computing load of the control unit and increased accuracy of rust detection of injector nozzle.7 cl, 23 dwg

Cryogenic fuel supply system for engine feed // 2626903
FIELD: engines and pumps.SUBSTANCE: proposed cryogenic fuel supply system for the engine feed is located on two sections of the locomotive, interconnected by an intersection connection 4, and comprises a cryogenic tank 1 for storing liquefied cryogenic fuel, a voluminous cryogenic high pressure pump 3, an oil heat exchanger 5, a gas heat exchanger 6, a gas mixer 7, a gas receiver 8, a fuel filter 9, a controlled gas dispenser 10, pipelines 22-25, valves 18-21, controlled by a control unit 17 valves 12-16. Between the cryogenic tank 1 and the cryogenic pump 3 an intermediate buffer 2 is installed.EFFECT: location optimisation of the cryogenic fuel supply pipelines, reduction of the preparation time for work and transfer to the storage mode of the cryogenic fuel supply system, increasing the reliability of the cryogenic fuel supply system, reducing the time for repair and maintenance of the locomotive.3 cl, 1 dwg

ethod of managing the air flow to the engine cylinder (versions) // 2626884
FIELD: machine engineering.SUBSTANCE: method for controlling the flow of air to the engine cylinder (30) (10) includes distributing the flow to the intake manifold (44) between the throttle (62) and the EGR valve (142) to deliver the desired airflow of the cylinder (30) while maintaining the desired EGR value in cylinder (30) if the previous airflow of the cylinder (30) is different from the required airflow of the cylinder (30). Variants of the method for controlling the flow of air into the engine cylinder are also disclosed.EFFECT: improving the acceleration of the vehicle, improving fuel economy and reducing emissions.20 cl, 6 dwg
 
2551386.
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