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

F02            Combustion engines; hot-gas or combustion-product engine plants(22116)
ethod of engine warm-up improving and automotive vehicle // 2607709
FIELD: engines.SUBSTANCE: invention relates to internal combustion engines, particularly, to engine warm-up. Disclosed is method of fluid warm-up supplied by pump (10) to vehicle (1) engine (5), if liquid temperature is low and reduces engine (5) operating efficiency. Method includes increasing losses for pumping, if necessary to warm-up liquid, if vehicle (1) movement deceleration occurs. To increase losses for pumping in order to produce heat on liquid passing through pump (10), limitation of liquid supply from pump (10) is created using flow control valve (12), or reducing pump efficiency (10), thus changing pump (10) layout or adjustment. In preferred version of invention, liquid pre-heating is performed only in case of vehicle (1) working brakes (50) actuation.EFFECT: invention provides faster engine coolant heating, fuel saving and reduces emissions.15 cl, 3 dwg
Exhaust gases recirculation system diagnostic technique (versions) and exhaust gases recirculation system // 2607707
FIELD: engines.SUBSTANCE: invention can be used in internal combustion engines equipped with exhaust gas recirculation systems. Exhaust gases recirculation system (EGR system) diagnostic technique involves, that engine (10) is provided with possibility to operate during time exceeding threshold value of time, when EGR system bypass valve (84) is in first state. Notified on EGR system cooler (82) performance deterioration in response to issuing command to switch EGR system bypass valve (84) to second state based on difference of actual gas temperature in EGR system and expected gas temperature in EGR system before changing bypass valve (84) state. Disclosed is invention version of exhaust gases recirculation system diagnostic technique and exhaust gases recirculation system.EFFECT: technical result consists in simplification of diagnostics process.20 cl, 4 dwg
ethod of internal combustion engine combustion chamber cleaning and internal combustion engine // 2607706
FIELD: engines and pumps.SUBSTANCE: invention may be used in internal combustion engines. Method of internal combustion engine (1) combustion chamber (7) cleaning comprises supply of gaseous substance into cooling device (25), cooling of substance in cooling device (25) below dew point so, that to form water condensate, supply of condensate containing substance, into internal combustion engine (1) combustion chamber (7), performing combustion reaction in combustion chamber (7) and removal of residues from combustion chamber (7). Gaseous substance, at least, upstream from cooling device (25) has relative humidity of more than 0 %. Invention discloses internal combustion engine (1).EFFECT: technical result consists in simplification of internal combustion engine combustion chamber cleaning of deposits.10 cl, 1 dwg
Internal combustion engine and method of its operation // 2607705
FIELD: engines and pumps.SUBSTANCE: invention relates to in-line four-cylinder internal combustion engines. Summary: engine comprises at least one cylinders head, four cylinders (1, 2, 3, 4) with linear arrangement along longitudinal axis of said at least one cylinders head and crankshaft (15), which belongs to crank drive and which comprises crank (11, 12, 13, 14) for each cylinder (1, 2, 3, 4), installed in accordance with specified cylinder (1, 2, 3, 4). Crankshaft cranks (11, 12, 13, 14) are equally spaced relative to each other along crankshaft (15) longitudinal axis (15a). Each cylinder (1, 2, 3, 4) contains at least one outlet (5) to discharge exhaust gases from cylinder (1, 2, 3, 4) through exhaust system (6), for this purpose discharge line (8) adjoins each outlet hole (5). Cylinders (1, 2, 3, 4) are arranged in two groups, wherein in each case one outer cylinder (1, 4) and adjoining to it inner cylinder (2, 3) form group, and discharge lines (8) of cylinders (1, 2, 3, 4) are merged together, to produce common discharge line (10), so that exhaust manifold (7) is formed in stages. At that, in each case outlet lines (8) of each group of cylinders are merged together to make partial discharge line (9), and then occurs merging of two partial discharge lines (9) of two groups of cylinders, and common discharge line (10) is produced. According to invention, two cylinders (1, 2, 3, 4) crankshaft two cranks (11, 12, 13, 14) of each set of cylinders are not shifted relative to each other in circular direction around crankshaft (15) longitudinal axis (15a), so that cylinders (1, 2, 3, 4) of said group of cylinders are mechanically synchronized to each other. At that, one group of cylinders crankshaft cranks (11, 12, 13, 14) are arranged so, that are displaced by 180° in circular direction of crankshaft (15) relative to cranks (11, 12, 13, 14) of another group of cylinders.EFFECT: technical result is exclusion of pressure waves mutual influence or fluctuations in exhaust system in case of charge in cylinders change.17 cl, 3 dwg
Vibration weakening strips to discharge liquid for aircraft turbine engine fan housing acoustic protection // 2607688
FIELD: engines.SUBSTANCE: invention relates to aircraft gas turbine engine fan housing acoustic protection. Aircraft fuselage acoustic protection device comprises acoustic protection panel (6) with strips (10), weakening vibration. On one side strips are pressed to panel (6) outer surface (6a), and on other side is to fan housing inner surface. Each weakening strip (10) has two opposite edges (14), each of which has upstream and downstream ends, located at distance from each other along central axis (2) direction. One of two strips (10) opposite edges (14) has such shape, that liquid, present on this edge, could flow by gravity in direction of any one or both of its upstream and downstream ends.EFFECT: invention improves aircraft engine reliability.10 cl, 7 dwg
ethod of controlling means of locking thrust reversing electric system for turbomachine, computing device and turbomachine // 2607571
FIELD: aircraft engineering.SUBSTANCE: invention covers a method of controlling at least one means of locking a thrust reversing electric system for a turbomachine, herewith the method is implemented by means of a computing device prior to the aircraft take-off, and the method includes the following stages: sending a command for opening the locking means; checking the locking means opening; sending a command for closing the locking means.EFFECT: reducing the risk of emergency during the landing phase.9 cl, 2 dwg
Engine structural unit comprising base part and support, method of its installation, base part for engine structural unit and method of its manufacturing // 2607570
FIELD: engines.SUBSTANCE: invention may be used in internal combustion engines. Engine structural unit consists of base part (1), shaft (2), as well as at least one support (3). Support (3) has shaft (2) arrangement hole (4). Support (3) is fixed on base part (1) using fixing means (5). In assembled state shaft (2) rests on base part (1) with possibility of rotation. In contact area (6) of support (3) and base part (1) at least one engagement element (7) engages in response element area (8). Response element area (8) has, at least, one recess edge (9) made in form of line, or line within recess surface (9), preferably in slot recess (9). Response element area (8) and at least one engagement element (7) are made so, that support (3) and base part (1) in assembled state and without mounting of fixing means (5), at least, along said line does not form geometric closure. Engagement element (7) and/or response element area (8) are made with possibility of elastic and/or plastic deformation during installation. Disclosed are shaft assembly method on base portion, structure unit basic part and method of base portion making.EFFECT: technical result consists in simplification of manufacturing and in reduction of surfaces tolerances sizes required for connection of bearing support with base portion.15 cl, 10 dwg
Fuel injection valve and fuel injection device // 2607568
FIELD: fuel.SUBSTANCE: invention can be used in fuel injection systems of internal combustion engines (ICE). Disclosed is fuel injection valve (10) FOR periodic fuel injection into ICE combustion chamber, having valve body (12), which sets longitudinal axis (14) and equipped with high pressure space (16). Valve body (12) connecting part (20) has two identically made high pressure connecting outlets (22, 24) for high pressure fuel lines. Both identically made high pressure connecting inlets (22, 24) are located in one common connecting surface (30') so, that they are identically directed and their connection axes (22', 24') pass parallel to each other. Inside valve body (12) high pressure connecting inlets (22, 24) are connected to each other and to high pressure space (16).EFFECT: technical result is provision of fuel injection valves serial supply at simplification of fuel lines design and their connection to valves.16 cl, 10 dwg
ulti-cylinder in-line internal combustion engine for vehicle and method for operation thereof // 2607440
FIELD: engines and pumps.SUBSTANCE: invention relates to multiple-cylinder row internal combustion engine for motor vehicle, containing crankshaft (10) rotating during internal combustion engine operation around crankshaft axis (15), and multiple crank bends (11, 12, 13), following one after another along axis, wherein each crank bend (11, 12, 13) is connected to corresponding cylinder (1, 2, 3) in internal combustion engine, and compensating device for at least partial compensation of inertia forces, formed on crankshaft (10) by rotating masses. Compensating device comprises at least two balancing weights (31, 32), wherein they are arranged considering inertia tensor so, that vibration transmission vector generated during internal combustion engine operation passes at angle γ≠0 relative to vertical, wherein resultant transmission pitch variation is less, than in version with vertically directed vibrations vector.EFFECT: technical result is improved resistance to vehicle vibrations.7 cl, 6 dwg
Thermal power plant // 2607437
FIELD: energy.SUBSTANCE: invention relates to heat engineering and may be used at thermal power plants. Thermal power plant comprises a steam-gas unit with a gas turbine, compressor of the gas turbine unit, combustion chamber, heat-recovery boiler, and a steam turbine with a condenser, which is connected to pipelines of cooled and heated circulating water. Pipeline of heated circulating water comprises a main evaporator of heat pump plant (HPP), an additional evaporator of the HPP is connected to the line of cooling cycle ambient air ahead of the compressor of the gas turbine unit. Main condenser of the HPP is included in the pipeline of the steam turbine condenser, additional condenser of the HPP is connected to the line of heating ambient air ahead of the compressor of the gas turbine unit.EFFECT: invention provides higher efficiency and reliability of thermal power station owing to reducing heat losses of heated circulating water, reducing power of devices for cooling heated circulating water of the condenser of the steam turbine, continuous maintaining optimum temperature of cycle ambient air for the gas turbine unit, as well as excluding the possibility of icing an inlet part of the compressor of the gas turbine unit in the cold season.1 cl, 1 dwg
Internal combustion engine with variable compression ratio by eccentric mechanism // 2607436
FIELD: machine building.SUBSTANCE: invention relates to machine building and can be used in designing of piston internal combustion engines (ICE), as well as piston compressors. Internal combustion engine with variable compression ratio by eccentric mechanism, containing cylinder, piston, which by means of connecting rod is accordingly articulated with crankshaft, which main bearing journal is connected to eccentric disc, driven into motion by gear transmission, in which eccentric disc has slot, in which main bearing journal moves, at same time it moves along fixed guide post vertical slot, eccentric disc is driven into rotation by gear transmission, consisting of eccentric disc geared rim, connected with gear rack, which is driven into motion by control unit controlled hydraulic cylinder. This will enable piston uniform wear and engine service life increasing.EFFECT: disclosed design allows to prevent crankshaft axis displacement relative to piston axis.1 cl, 2 dwg
Starter of internal combustion engine // 2607435
FIELD: engines and pumps.SUBSTANCE: invention relates to engine-building, particularly to internal combustion engine (ICE) starting devices. In proposed device described is ICE starter (10), having preliminary activation drive (16) actuating lever (190), by which starting gear (22) is engaged or disengaged from ICE flywheel gear rim (25) and on which pretensioned resilient element (212) is fixed, at least one support arm (216) of which is actuated directly by preliminary activation drive (16) traction element (187), for this purpose traction element (187) has hole (214), in which first supporting arm (216) of pretensioned resilient element (212) is installed, applying to starting gear (22) via lever section (202, 204) its force (228, 234) acting in its actuation direction and having at least one twisted section (220, 222), wherein twisted section (220, 222) rests on fixing projections (242), arranged sidewise opposite to each other in cavity (244) in lever (190) intended for resilient element installation.EFFECT: disclosed is starter of internal combustion engine.12 cl, 14 dwg
ethod of optimising operability of aircraft engine and main power plant to this end // 2607433
FIELD: energy.SUBSTANCE: invention relates to power engineering. Method of optimising operability of aircraft engine, comprising main engines 200 as main propulsion system, wherein by means of main source of power 1 class engine, all non-traction power Enp is output as propulsion installation, and during transient phases of operation of engines, at most, additional power (kEp, ktEpt) partially supplied to high-pressure stage VD of main engines margin of margin is increased on surge of main engines. Also disclosed is a main aircraft power plant.EFFECT: invention enables to eliminate limitation of mechanical extraction in engines during transient flight phases, which enables to optimise performance of a set of engines in said phases.10 cl, 5 dwg
Fluid medium heating device // 2607427
FIELD: energy.SUBSTANCE: invention relates to power engineering. Device for fluid medium heating contains first burner, providing first combustion of limiting fuel component and excess fuel component, and heat exchanger first module, in which first combustion gases produced during said first combustion, transfer heat to fluid medium. At that, device additionally contains second burner, into which first combustion gases are brought from one side, on other side is limiting fuel component for performing of limiting fuel component second combustion and at least part of unburnt excess fuel component contained in first combustion gases. At that, second combustion gases produced during said second combustion, circulate in heat exchanger second module and also transfer heat to fluid medium. Thus, combustion gases produced in each combustion circulate via combustion gases tubes, inside same common heat exchanger consisting of said heat exchanger modules, in which they transfer heat to fluid medium. Disclosed also is carrier rocket with fluid medium heating device.EFFECT: invention increases temperature and pressure of fuel liquid component before its injection to combustion chamber.9 cl, 3 dwg
ethod of making composite solid rocket propellant charge // 2607223
FIELD: weapons and ammunition.SUBSTANCE: invention relates to making charges of a composite rocket propellant, namely, to molding charges by free casting. Charge molding is carried out by free casting of the fuel mass into a housing installed in a pressure chamber. Herewith the pressure chamber or the channel-forming tooling, or both the pressure chamber and the channel-forming tooling simultaneously are subjected to heating.EFFECT: method provides efficient heating of the system of molding tooling – housing and obtaining a stable volumetric average fuel composition temperature at the end of molding the charges and can be used in making large-size solid fuel charges.1 cl, 3 ex
ethod of testing of charges attached to the housing of solid propellant rocket engines // 2607202
FIELD: rocket construction.SUBSTANCE: invention relates to rocketry, namely, to solid-propellant rocket engines, and, in particular, can be used in testing of attached to the housing large-sized charges in rocket systems of various purposes, mainly used on mobile carriers road or railway type. When testing attached to the housing solid fuel rocket engine charge temperature control of charge at forced loads is performed as well as subsequent verification of serviceability by fire bench tests. Charge is exposed to serial application of static and repeatedly alternating forced loads, level and duration of which is determined from the condition of parity of accumulated damages in charge in the mode of standard operation and at forced tests. Immediately before fire bench tests control of structural integrity of attached charge is performed.EFFECT: invention provides higher reliability and reduced duration of tests of charges attached to the housing of solid propellant rocket engines.4 cl, 4 dwg
ethod of solid fuel unit pulse determining // 2607199
FIELD: rocket technics.SUBSTANCE: invention relates to rocketry, namely to methods of solid rocket propellant new compositions characteristics determining, in particular for ramjet engines. During solid fuel unit pulse determining of armored sample of analyzed fuel is burnt in volume of gas and combustion products flow reactive force is measured. Fuel sample is placed in afterburner chamber model, gas dynamically similar to natural engine afterburner chamber, and blown by gas flow with parameters corresponding to natural engine solid fuel charge blowing. Part of sample surface is coated with armoring providing armored surface ignition delay for a time, making 10–50 % of analyzed fuel sample combustion duration without armoring.EFFECT: invention increases reliability of solid fuel unit pulse measurement, as well as reducing duration and number of engine full-scale tests.1 cl, 2 dwg
Fixed rocket solid propellant charge // 2607196
FIELD: rocket construction.SUBSTANCE: invention relates to rockets engineering and can be used in solid-propellant rocket engines with charges from mixed fuels, attached to housing walls. Fixed solid propellant charge comprises casing, fuel charge and heat-resistant coating with different-height ledges, in longitudinal section having semi-barbell shape and facing inside charge. Height of ledges is varied by charge zones and assigned according to pull out tensions acting in charge with housing attachment specific area. Ledges surface is completely or partially made with fine irregularities with height of 0.05–0.5 mm, and of distance between ledges adjacent along charge length to semi-barbell head diameter ledges ratio is 1.7–2.0.EFFECT: invention allows to reduce housing with heat-insulating coating weight with simultaneous achievement of fuel to heat-insulating coating guaranteed attachment strength, including dynamic one.1 cl, 5 dwg
ethod of engine actuation (versions) and engine system // 2607147
FIELD: engines.SUBSTANCE: invention can be used in supercharged internal combustion engines. Engine actuation method comprises first charge provision with air having barometric pressure or below it into engine cylinder (14) through first inlet channel (30) and provision of second air charge subjected to supercharging, into same cylinder (14) through second, separate, inlet channel (31). Second air charge is subjected to supercharging by means of inlet compressor (52), driven by exhaust turbine (54). Invention discloses version of engine actuation method and engine system.EFFECT: technical result consists in reduction of compressor and turbine dimensions.19 cl, 9 dwg
ethod of engine actuation (versions) and engine system // 2607144
FIELD: engines.SUBSTANCE: invention can be used in internal combustion engines with supercharging for exhaust gases recirculation control systems. Method is intended for actuation of engine (10) containing first supercharger (120) with first compressor (122) and second supercharger (130) with second compressor (132). Method consists in circulated gases flow difference (EGR) increasing between EGR flow into first compressor (122) and second compressor (132) in condensation state through bypass valve (214). EGR flow difference between EGR flow into first (122) and second (132) compressors in stalling state is reduced through bypass valve (214). Invention discloses engine bypass valve actuation method and engine system.EFFECT: technical result consists in reduction of condensate accumulation probability and compressor damage in stalling state probability reduction.20 cl, 3 dwg
Turbine operation method for reduction of ammonia slip // 2607139
FIELD: energetics.SUBSTANCE: invention relates to power engineering. Method of gas turbine engine operation for lowering of ammonia slip includes engine’s operation in the range of output power levels; control of mass flow of nitrogen oxides (NOx) produced in the exhaust gas of engine, to be within 10 % in the range of output power levels; and processing of exhaust gas of engine by selective catalytic reduction by way, that generation of NOx and corresponding flow of reducing agent used in process of selective catalytic reduction remain relatively constant in terms of mass (molar) flow in the range of output power levels and adjusting of ammonia slip takes place.EFFECT: invention allows to reduce ammonia slip.19 cl, 7 dwg
ethod and system for deep heat recovery of boiler combustion products of thermal power plants // 2607118
FIELD: energy.SUBSTANCE: invention relates to station power, particularly, to energy saving during operation of boilers power stations, comprising steam-turbine plants (STP). Method for deep recovery comprises feeding STP condensate into water-gas heat exchanger (WGH) at boiler outlet and heating condensate using heat of combustion products (CP), combustion products (WGH) are cooled to temperature below dew point by (5–10) °C, obtained condensate (OC) is collected, purified according to a known technology and fed into a condensate line and then successively into condensate heater, deaerator and boiler. In order to implement method, deep recycling system (DR) includes arranged under water-gas heat exchanger (WGH) condensate drain tank (OC), condensate collection and storage tanks, drain and condensate pumps, as well as condensate treatment sections, connected to condensate line of station.EFFECT: besides saving heat (fuel) present solution reduces emission of toxic oxides NOx and CO2 due to suppression with water vapour, reducing fuel consumption, obtaining additional water, which can be used for boiler makeup and other needs, eliminates or minimises condensation in gas path and stack, improving maintenance conditions, avoiding need for flue gas recirculation for preventing condensation.2 cl, 4 dwg
Gas pumping unit and method of its start-up // 2607113
FIELD: gas industry.SUBSTANCE: gas pumping unit is connected via gas pipelines with inlet and outlet reservoirs of a gas-pumping station connected with shutoff valves, respectively, to low and high pressure sections of the main gas pipeline, comprises a centrifugal gas compressor connected with feed and discharge gas pipelines to inlet and outlet reservoirs, respectively, by means of shutoff valves, and connected with a shaft to a gas turbine engine. In the gas turbine engine an air compressor is connected via pipelines with an air receiver through an air cleaner, and a power turbine is connected with an exhaust pipe to a recuperator of exhaust gases heat. Outlet pipeline of the turbine starter is connected to the inlet reservoir and is equipped with a check valve and a pressure gauge installed in the gas line at the inlet to the inlet reservoir. Candle branch pipe with shutoff valves are connected to this gas line ahead of the check valve. Feed gas pipeline to supply the turbine starter is connected with the outlet reservoir and is equipped with a pressure gauge at the outlet of the outlet reservoir, a gas pressure reducer and a gas cleaning filter. Feed gas pipeline to supply the gas compressor and the feed gas pipeline to supply the combustion chamber of the gas turbine engine are connected in parallel to the inlet reservoir with a gas line equipped with a gas cleaning filter. Feed gas pipeline to supply the gas compressor is equipped with a gas cooler and shutoff valves. Feed gas pipeline gas to supply the combustion chamber is passed through the cavity of the recuperator and is equipped with a control valve. Outlet gas pipeline of the gas compressor is equipped with a check valve and is connected to the feed gas pipeline to supply the turbine starter.EFFECT: invention is aimed at reducing emission of the main gas pipeline to the atmosphere at start-up of gas pumping units polluting the environment.13 cl, 1 dwg
Engine system and method of controlling engine operation (versions) // 2607099
FIELD: engines and pumps.SUBSTANCE: invention relates to adjustment of engine operating conditions. Engine system for determining an alcohol concentration in fuel is disclosed. In one example, engine throttle position, fuel pulse width, and air-fuel ratio form a basis for determining alcohol concentration of a fuel combusted in an engine.EFFECT: system and associated method improve engine operation based on determination of concentration of alcohol in fuel.20 cl, 5 dwg
Control device for internal combustion engine (versions) // 2607098
FIELD: engines.SUBSTANCE: invention relates to internal combustion engine control device. Internal combustion engine includes high-temperature intercooler (HT intercooler) with water cooling of intake air, injected by turbo compressor. Intercooler contains HT intercooler, in which passing through cylinder block cooling water is introduced, and low-temperature intercooler (LT intercooler), receiving LT cooling water with temperature lower, than HT cooling water temperature, wherein low-temperature intercooler is end to end connected close to high-temperature HT intercooler inlet side. LT target temperature is set to high-temperature side target value in case, when temperature of HT cooling water, supplied to HT intercooler, is lower, than HT target temperature, connected with completion of warming up, wherein LT target temperature is set to low-temperature side target value in case, when temperature of HT cooling water is equal to or higher, than HT target temperature.EFFECT: invention provides reducing period of time required for internal combustion engine warming up.11 cl, 9 dwg
ethod of controlling total ballast load in autonomous multi-modular electric power plant based on stirling engines // 2606979
FIELD: energy.SUBSTANCE: invention relates to power engineering and electrical engineering and can be used in devices for conversion of thermodynamic energy into electric energy, used as a source of electric power in power supply systems of independent electrical power systems. Method of controlling total ballast load in autonomous multi-modular electric power generation plant based on Stirling engines, comprising m generation modules, each of which includes free piston Stirling engine with integrated linear generator and rectifier, outputs of which are connected in parallel and form a DC bus, to which are connected accumulator battery, payload and a common unit of ballast load consists in following: measuring voltages and currents of each linear generator and payload, further, based on measured values of voltages and currents of each linear generator, calculating active power with subsequent summation; calculating current value of payload power, generating a signal of ratio of calculated payload power to total power of linear generators, comparing measured value of output voltage of payload with reference voltage, processing resultant signal by means of unit of correcting device on basis of proportional-integrating regulator; summation of output signal of proportional-integrating regulator with a signal of ratio of calculated load power to total power of generators, forming an error signal, transmitted to one of inputs of a comparator, and to other comparator input is transmitted stepped ramp voltage, formed by an event manager of a DSP controller. At output of comparator is formed a wide-pulse modulated signal, which is transmitted to transistor control driver of ballast load.EFFECT: high dynamic accuracy and stability of wide-pulse controller of common unit of ballast load with simultaneous provision of stability of voltage at DC bus in transient and steady-state operating modes of autonomous power supply system.3 cl, 5 dwg
Internal combustion engine // 2606965
FIELD: engines and pumps.SUBSTANCE: invention relates to internal combustion engine. Disclosed is internal combustion engine, comprising: control unit, which determines dew condensation occurrence or non-occurrence on nozzle end section based on amount of heat obtained by injector nozzle, and injector nozzle end temperature at moment when ignition is switched off, and performs controls in order to prevent nozzle corrosion, when in nozzle end section possibility of dew condensation is determined. Control unit calculates nozzle end temperature reduction rate based on amount of heat obtained by nozzle, based on nozzle end temperature reduction rate calculates dew point achieving time and based on time required to reach dew point determines dew condensation occurrence or non-occurrence on nozzle end section.EFFECT: technical result consists in accurate determination of dew condensation onset moment on nozzle end section, in order to effectively suppress dew deposition.9 cl, 24 dwg
Device of internal combustion engine fuel properties determining // 2606963
FIELD: engines.SUBSTANCE: invention relates to internal combustion engine fuel properties determining device. Disclosed isdevice for engine with electronic control unit (ECU), which is configured for (i) feedback control, wherein engine speed is reduced to preset speed during ignition advance correction at feedback control, (ii) determination of fuel properties whether it is heavy fuel, when ignition performance coefficient is equal to or exceeds preset threshold value during preset time interval after engine starting, wherein ignition performance coefficient is ratio of ignition advance correction value to maximum range of ignition correction, where ignition correction maximum range is correction range maximum value, in which ignition advance is corrected during feedback control, and (iii) setting threshold value equal to value, which depends on engine temperature characteristic value, where temperature characteristic value is correlated with engine temperature.EFFECT: technical result is more accurate determination of whether fuel supplied to engine, is heavy fuel, even at low temperatures.5 cl, 6 dwg
ethod of exhaust gases enrichment with unburned hydrocarbons // 2606955
FIELD: engines and pumps.SUBSTANCE: invention relates to methods of internal combustion engine exhaust gases enrichment with unburned hydrocarbons. Method includes steps of current engine operation mode control and performing subsequent fuel injection in one predetermined cylinder (12) from at least two cylinders (12), connected to exhaust manifold (14), when current engine operating mode matches its predetermined operation mode. Predetermined engine operation mode is mode, in which subsequent injection hydrocarbons, in fact, does not enter exhaust gas recirculation circuit for specific engine design.EFFECT: higher reliability of internal combustion engine, reduced harmful emissions release.13 cl, 2 dwg, 2 tbl
Internal combustion engine double-rotor mechanism // 2606833
FIELD: engines and pumps.SUBSTANCE: invention relates to engine construction. Internal combustion engine with separated combustion stroke double-rotor mechanism has housing. In housing compressor-incinerator and thermal machine cylinders are made. Rotors are arranged in cylinders, forming suction-compression cavity and working stroke-exhaust cavity. In suction-compression cavity there are inlet opening, nozzle and ignition source. In working stroke-exhaust cavity there are inlet and outlet openings. Rotors have same number of radial slots and plates. Before slots on compressor-burner rotor along its rotation combustion chamber are made. Compressor-burner cylinder is connected to machine working cavity by channel starting after completion of combustion phase in bridge between cylinders and which is recess made on compressor-burner cylindrical surface with depth, at beginning equal to bridge thickness and continued along compressor-burner cylindrical surface in rotor rotation direction with same or decreasing depth, and ending before suction-compression chamber geometric beginning.EFFECT: technical result is increase in engine power, torque and efficiency, as well as reducing harmful substances content in exhaust gases.1 cl, 5 dwg
Hydraulic connecting mechanism // 2606731
FIELD: engines and pumps.SUBSTANCE: invention can be used in fuel injection systems of internal combustion engines (ICE). Disclosed is fuel nozzles hydraulic connecting mechanism having cup-shaped housing (31) with bottom (311) and side wall (312), installed in barrel-like housing (31) with possibility of directed axial movement in it piston (33), filled with liquid gap (35) between piston (33) and cup-shaped housing bottom (311), located with facing away from piston (33) of cup-shaped housing (31) external side membrane (36), which limits compensating cavity (37) hydraulically connected with gap (35), and resilient element (40) acting on membrane (36) by its axially directed force. To achieve hydraulic connecting mechanism low total stiffness with its required developed force, resilient element (40) is made in form of spring bracket (45) fixed on cup-shaped housing (31), which adjoins membrane (36) in cup-shaped housing bottom (311) area with axial pre-stress.EFFECT: disclosed is fuel nozzles hydraulic connecting mechanism.12 cl, 4 dwg
Fuel distributor and system with fuel nozzle // 2606728
FIELD: engines.SUBSTANCE: invention can be used in fuel injection systems of internal combustion engines (ICE). Disclosed is fuel distributor (2), intended for fuel injection systems into ICE with working mixture compression and its forced ignition, having housing (10), in which fuel cavity (14) and at least one support element (4) are formed. At that, on fuel distributor housing (10) at least one cup (12) for fuel injector is provided, on which cup support element (4) having support ring (22) and several locking tabs (23, 24, 25, 26) is located, which ensure possibility of support element (4) fixation on cup (12) outer side (27). Support element (4) at least partially forms bearing surface (17) at cup (12) end (18).EFFECT: due to this it is possible to manufacture fuel distributor housing (10) and cup (12) under plastic fuel nozzle, while support surface (17) for pressure spring (5) is formed by support element (4) made from metal.6 cl, 7 dwg
ethod of controlling power of consumers // 2606630
FIELD: transportation.SUBSTANCE: invention relates to transport and can be used for heating to consumers in a vehicle. In method and apparatus for controlling electric power of consumers (34, 36), consumers (34, 36) are arranged in electric circuit (30), and at least one connection (50) between any two consumers (34, 36) adjoins branching line (52), which through related switch device, comprising at least one switch (38, 40, 42, 44) for power control, is connected to mains voltage (46) and/or to mass (48).EFFECT: reduced losses of power consumption.8 cl, 3 dwg
ethod of solid-propellant charges armoring // 2606612
FIELD: weapons and ammunition.SUBSTANCE: invention relates to production of armored solid propellant charges, which coating prevents reserved surfaces burning. Heat-resistant fuel charge armoring is performed in two stages. At first stage on fuel cartridge surface glue EL-20 is applied by brush based on epoxy resin of ED-20 grade and low-molecular polyamide L-20 as adhesive interlayer, on which from above glass fabric or coarse calico impregnated with glue EL-20 is applied in two layers. Drying with simultaneous polymerization at temperature of 20–25 °C for 24–25 h or at 50–70 °C for 3–5 hours. At second stage cartridge is placed in mold in form of metal shell and in gap between shell and cartridge glue EL-20 is poured, which polymerization is carried out similar to first stage.EFFECT: method provides simple and safe method of armor application onto small-sized solid fuel charges.1 cl, 3 dwg, 1 tbl, 5 ex
Silencer and motor driven working machine // 2606549
FIELD: engines.SUBSTANCE: working machine with motor drive, including: two-stroke engine, including piston made for reciprocating inside cylinder, to which exhaust channel is bonded, and tool in front part, made so that to be driven by motor, wherein expansion chamber is connected with exhaust channel via connection channel, wherein connecting channel includes first and second ends, and connection channel extends from first end in exhaust channel axial direction, bent in direction from exhaust channel axis of the and connected to expansion chamber on second end, and wherein expansion chamber casing is located on connecting channel inner side, and engine unit comprises cylinder and crank case.EFFECT: machine operation.16 cl, 11 dwg
Thermostatic recirculation valve for fuel filtration module // 2606544
FIELD: engines.SUBSTANCE: disclosed is thermostatic recirculation valve (TRV) 20, which provides effective heating of fuel module 22 during operation under low temperatures to prevent fuel waxing or its conversion into gel. TRV 20 provides control over heated fuel flow returned into module 22 via channel 40. Control depends on fuel temperature in channel 13 at module output, wherein returned fuel does not contact directly with paraffin element 54. Paraffin element 54 is isolated from direct contact with returned fuel with higher temperature due to elastomer seal 56 application, which prevents direct contact of returned fuel and paraffin element. Moreover, paraffin element is located in module outlet channel 13.EFFECT: invention can be used in fuel injection systems of internal combustion engines (ICE).15 cl, 6 dwg
ethod and system to control vehicle engine brake // 2606542
FIELD: engines and pumps.SUBSTANCE: invention can be used in vehicles with internal combustion engines. Motor brake control method is intended for vehicle equipped with internal combustion engine. Engine includes cylinders, engine output pressure regulator (OPR), suction air throttle valve (ATV) and pressure measurement device (20) to measure pressure downstream of cylinders (11). OPR controls air flow coming out of cylinders. ATV controls air flow supplied to cylinders. For control over engine braking torque (T) two different engine braking modes (a), (b) are used. First engine braking mode (a) consists in that air flow control, passing through OPR, is carried out using feedback loop in accordance with pressure downstream of cylinders, and ATV control is performed in advance control mode depending on engine speed (S) and required braking torque (T). Second engine braking mode (b) consists in fact, that OPR control is performed in advance control mode depending on engine speed (S) and required braking torque (T), and ATV controls braking torque using feedback loop in accordance with pressure downstream of cylinders. Disclosed is vehicle engine brake system.EFFECT: technical result consists in provision of smooth transition between two different engine braking modes.11 cl, 3 dwg
ethod of high pressure (hp) positive displacement pump efficiency monitoring in turbomachine hydraulic regulation system // 2606465
FIELD: machine building.SUBSTANCE: method involves following steps, at which: said turbomachine engines are started at engine low speed N0, wherein said valve is closed; using computer for actuating mechanism movement implementation; gradually increasing engine speed N, unless said efficiency Q does not reach preset value Q0, which is sufficient for valve opening; stored in computer, first, actuator position, and second, engine speed N, corresponding to valve opening; repeating previous steps in successive moments of time t1, t2, ..., tn during said turbomachine engines service life; and replacing said high pressure positive displacement pump, when said engine speed N exceeds predetermined value Nlimit.EFFECT: disclosed is method of high pressure positive displacement pump efficiency monitoring in turbomachine hydraulic regulation system.3 cl, 4 dwg
Internal combustion engine with four cylinders located in row and operation method thereof // 2606464
FIELD: engines.SUBSTANCE: invention may be used in internal combustion engines. Internal combustion engine has four cylinders (3), which are arranged in row along cylinders head (1) longitudinal axis (2). Each cylinder (3) has at least one outlet hole (4) for exhaust gases output from cylinder (3) through exhaust system, for this purpose each outlet hole (4) is connected to outlet channel (5). Cylinders (3) outlet channels (5) are connected in series with formation of common outlet pipeline (7). At least one outlet channel (5) of outer cylinder (3a) is connected with at least one outlet channel (5) of neighboring internal cylinder (3b) with formation of partial discharge pipeline (6) before, four cylinders (3, 3a, 3b) two outlet pipelines (6) are connected with formation of common outlet pipeline (7). Exhaust system outputs at cylinders head (1) outer side (8). Wall outer sections (9a), which in each case separate section from each other, at least one outlet channel (5) of outer cylinder (3a) and section of at least one outlet channel (5) of neighboring internal cylinder (3b) and extending into exhaust system, pass towards cylinders head (1) outer side (8) perpendicular to cylinders head (1) longitudinal axis (2) over distance smaller than wall inner section (9b), which separates section of two partial discharge pipelines (6) from each other. Section of two inner cylinders (3b) outlet channels (5) extends into exhaust system. Cylinders (3) outlet channels (5) are connected together to form common outlet pipeline (7) inside cylinders head (1) or outside of cylinders head (1). Disclosed is a method to operate an engine.EFFECT: technical result consists in reduction of cylinders mutual influence on each other at working mixture charge changing.18 cl, 3 dwg
Air supply system for engine with charger, and vehicle containing such system // 2606463
FIELD: engines.SUBSTANCE: invention can be used in internal combustion engines with chargers. Low pressure air supply system for engine (4), having charger (10) includes low pressure atmospheric air inlet opening (9), charger air compressor (11), air filter (8), low pressure air channel (15) and sound-proofing device (20). Air filter (8) filters air supplied via low pressure air inlet opening. Low pressure air channel (15) is connected with air filter (8). Soundproofing device (20) is connected with low pressure air channel (15) on inlet end, is located near charger air compressor (11) inlet. Soundproofing device (20) includes housing (21) and chamber. Soundproofing device (20) chamber is located around part of housing (21) and functionally connected with air duct, formed by housing (21), through plurality of bypass openings formed by elongated holes, which long edges are parallel to air flow path through air channel. Invention discloses vehicle with engine containing low-pressure air supply system.EFFECT: technical result consists in noise level reduction.10 cl, 10 dwg
Gas turbine engine support post assembly // 2606462
FIELD: machine building.SUBSTANCE: group of inventions relates to a support post assembly for a body support of a functional unit of a gas turbine, to a gas turbine and to a method of supporting the body of a functional unit of a gas turbine. Assembly (100) of the support post includes body (101) of the post for supporting the unit on a base, ball rotary element (102), which is arranged able to turn on body (101) of the post forming a ball hinge, and swinging lever (103) installed on element (102). Lever (103) is intended to be inserted in support hole (121) of support body (120), which is part of the body or the base. Lever (103) is intended to be inserted in hole (121) with movable fit so that turning point (105) is created in the first zone of contact between lever (103) and internal surface (122) of hole (121), so that the possibility of rotation of lever (103) inside hole (121) around point (105) is provided. Elastomer spring and damping element (104) is installed on lever (103) so that the possibility is provided of placing element (104) between lever (103) and body (120) to ensure centering force and damping lever (103) turn relative to body (120) around point (105).EFFECT: group of inventions is aimed at providing effective maintenance of a gas turbine.17 cl, 8 dwg
Double-rotor gas turbine engine // 2606458
FIELD: engines.SUBSTANCE: invention relates to gas turbine engines, specifically to oil systems, their supercharge cavities and oil breathing devices. Double-rotor gas turbine engine is equipped with system of series-connected to each other by means of additional air ducts pre-oil cavities of low pressure compressor and pre-oil cavity of high-pressure compressor, simultaneously communicated with pre-oil cavity of turbine, ejector comprising ejected cavity, an ejection cavity and mixing chamber, pre-oil cavity of turbine is interconnected on one side, via air duct with breathing valve, and on other side, with inlet of ejected cavity of ejector whose output is connected to input of mixing chamber, wherein ejecting cavity is connected by its inlet to power supply, and by output to input of mixing chamber, mixing chamber outlet is communicated with inlet cavity of afterburner. Also, power supply can be secondary zone of combustion chamber or intermediate stage of high pressure compressor.EFFECT: technical result of invention is avoiding emissions into atmosphere on long-lasting cruising modes and maintaining optimum differential on movable seals of engine oil system at maximum and afterburner modes of engine operation.3 cl, 1 dwg
Four-stroke rotary piston engine // 2606299
FIELD: engines.SUBSTANCE: invention relates to engine construction. Four-stroke rotary piston engine includes, at least, one section. Section consists of housing with end covers and rotor with shaft. End cover is located on pistons position in cylinders upper dead point side and contains, at least, one combustion chamber, at least, one inlet valve and, at least, one exhaust valve. Rotor comprises, at least, one cylinder with piston and, at least, one crankshaft. Crankshaft is connected with cylinders pistons and with fixed gear. Per one rotor revolution in each cylinder passes, at least, one working cycle.EFFECT: technical result is engine simplified design and reduced material consumption.1 cl, 2 dwg
Gas compressor plant power unit // 2606297
FIELD: mechanical engineering.SUBSTANCE: invention relates to machine building and can be used in of gas transfer plants development. Gas compressor plant power unit, containing gas-turbine plant (GTP), located in leak-tight compartment, connected to air intake channel, equipped with fan, and with hot air removal air duct, characterized by, that power unit is additionally equipped with heated air extraction air duct, communicating leak-tight compartment with air intake channel upstream of fan.EFFECT: technical result consists in improvement of GTP reliability at high negative temperatures of ambient air, due to air preheating considering maximum allowable concentration of explosive gases (mixture of protective gas and shielding gas with explosive gases flowing from GTP).1 cl, 1 dwg
ixing head of liquid-propellant engine chamber // 2606202
FIELD: rocket technics.SUBSTANCE: invention relates to rocketry, namely to chambers of liquid-propellant rocket engines (LPE), and can be used in designing highly efficient mixing heads and LPE chambers for promising launch vehicles. Mixing head of a liquid-propellant engine chamber comprises an outer, a mid and a combustion bottom interconnected with nozzles, studs, by soldering and welding. Fuel and oxidant nozzles are located chequer-wise in the combustion bottom with the transition in the peripheral portion of the head to circumferentially spaced. Arranged on sides of a square in the central part of the mixing head and nozzles at each side of the square on beams extending from the square to the periphery are made extending into the combustion cavity of the chamber beyond the combustion bottom to make anti-pulsation partitions. Every peripheral nozzle extending relative to the combustion bottom is a fuel nozzle and is located at points of intersection of the circle of studs with the said beams of the extending nozzles location. Beams are an extension of the sides of the square and connect its tops to the peripheral zone of the mixing head. Studs are arranged on the circle in the mixing head peripheral zone, herewith in each stud there are made at least three channels connecting the combustion chamber cavity with the cavity formed by the mid and the combustion bottoms, herewith the outlet part of the said channels is located parallel to the axis of the combustion chamber.EFFECT: invention provides higher reliability and stability of operation of the mixing head, as well as increased specific burst of the LPE.1 cl, 3 dwg
Turbomachine comprising a privileged injection device and corresponding injection method // 2606167
FIELD: turbo-machines.SUBSTANCE: invention relates to a turbomachine equipped with a combustion chamber, a fuel injection device supply mechanism supplying fuel to the fuel injection device. Invention is characterised by that said turbomachine additionally comprises means for determining instantaneous variation of the fuel flow rate of the supply means regulation means for regulating the fuel flow rate of the injection device according to the instantaneous variation of the fuel flow rate of the supply means determined by the determination means.EFFECT: technical result of the invention is safety of the turbomachine.14 cl, 2 dwg
Device for distribution of liquid additive in fuel system of internal combustion engine, transport facility with such device and method of using said device // 2606166
FIELD: engines and pumps.SUBSTANCE: invention can be used in fuel feed systems of internal combustion engines (ICE). Disclosed is device of distribution of liquid additive in fuel system (2) of ICE, includes: a reservoir (26), containing additive, chamber (24), which is connected with fuel system (2) and inside of which there is reservoir (26), containing additive, additive injection means, connected to reservoir (26) and with fuel system (2) and enabling to distribute additive in fuel system (2), and additive injection means control devices. Invention also covers vehicle containing above device for distribution of liquid additives and methods of using additive distribution device.EFFECT: optimization of additive distribution in fuel depending on various factors.35 cl, 7 dwg
ethod of starting the engine (versions) and vehicle engine starting system with hybrid drive // 2606160
FIELD: machine building.SUBSTANCE: invention relates to improvement of driving properties of a vehicle. Method for starting an engine includes starting an engine with the first electric machine at the required torque consumption less than the threshold value; starting the engine with the second electric machine at the required torque consumption exceeding the threshold value; supplying the torque sufficient for rotation of wheels, exclusively by the first electric machine at selected operating conditions and disconnecting the second electric machine from the engine when the engine speed reaches the threshold speed of rotation. Threshold values may vary depending on the speed of rotation of the first electric machine. Engine start system for a motor vehicle with hybrid drive comprises starter, double mass flywheel, drive disengagement clutch to drive wheels, built-in drive to drive wheels starter/generator and controller.EFFECT: improved riding qualities and reduced fuel consumption.10 cl, 48 dwg
Pneumatic emergency shut-off valve // 2606037
FIELD: engines and pumps.SUBSTANCE: invention can be used in fuel feed systems of internal combustion engines (ICE), preferably of railway vehicles. Proposed device (1) for protection of plants has consumer (3), fuel tank (2), which is connected to consumer (3) by fuel pipeline (6), and installed in fuel pipeline (6) pneumatically actuated emergency shut-off valve (7), which in the locked position locks, while in the opened position opens fuel pipeline (6), herewith emergency shut-off valve (7) without actuation remains in its locked position or is automatically switched over into it. Shut-off valve (7) also has the possibility of actuation by electric or electromagnetic method, for this purpose it is connected to accumulator (17) of energy via electric circuit (18).EFFECT: higher safety of the fuel feed system.9 cl, 1 dwg
Rotary-vane engine with separate rotary combustion chamber // 2606035
FIELD: engines.SUBSTANCE: invention relates to engine construction. Rotary-vane engine with separate rotary combustion chamber comprises air compressor with receiver, cylinder body with end covers and cylindrical rotor with shaft, installed with eccentricity relative to cylinder inner surface. Compressor serves to create required air pressure in combustion chamber. Cylinder body comprises separate rotary combustion chamber, compressed air inlet channel into combustion chamber, at least, one working gases bypass channel from combustion chamber and, at least, one outlet opening. Combustion chamber is made with possibility to be driven from rotor shaft. Bypass channel is located at beginning of volume increasing zone in cylinder. Outlet opening is located at volume reduction zone end in cylinder. Each end cover contains cylindrical cam. Cam is located on one axis with cylinder axis. Rotor is divided by slots for, at least, two equal sectors, in which blades are arranged. Each blade is driven into motion by two cylindrical cams.EFFECT: technical result is simplification of design, reducing materials consumption, engine moving parts weight and number of parts.1 cl, 2 dwg
 
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