Vehicle engine (versions) and vehicle comprising such engine

FIELD: transportation.

SUBSTANCE: engine comprises an engine oil reservoir, an exhaust system, and a thermoelectric device. The exhaust system is made with the possibility to remove exhaust gas from the engine, and the thermoelectric device is connected to a power source and has a hot and a cold side. The hot side interacts with the exhaust engine gas, and the cold one - with the engine oil reservoir. The engine oil reservoir has an inner surface portion including one or more fins facilitating heat exchange with the thermoelectric device. The vehicle engine versions and the vehicle are disclosed.

EFFECT: increasing the fuel economy and increasing the speed of warming up the vehicle engine.

37 cl, 1 dwg

 



 

Same patents:

FIELD: power industry.

SUBSTANCE: invention can be used in pre-starting and auxiliary heat power plants of vehicles for simultaneous generation of heat and the electric power. Pre-starting heat power plant for vehicles contains an internal combustion engine (1), an electric generator (2), a waste heat exchanger (3) utilising the heat of exhaust gases, a mixing device (4) with an electric heater, a liquid pump (8) with the electric drive, a check valve (5) and hydraulic lines (9), (10), (11) with heat carrier. The plant is also contains the oil pump (15) with the electric drive, the recuperative heat exchanger (18) for heating of engine oil and the oil line which is built in the oil pan with the nozzles directed towards necks of the cranked shaft and towards the oil pump of the internal combustion engine, oil hydraulic lines. The recuperative heat exchanger (18) of heating of engine oil according to the series hydraulic circuit is connected by hydraulic lines of the heat carrier to the mixing device (4) with the electric heater. The oil pump (15) with the electric drive through oil hydraulic lines supplies engine oil to the recuperative heat exchanger (18) for heating of engine oil after which heated engine oil is supplied into the oil line which is built in the oil pan with the nozzles directed towards the necks of the cranked shaft and towards the oil pump of the internal combustion engine.

EFFECT: design simplification and reduction of dimensions.

1 dwg

FIELD: power industry.

SUBSTANCE: present invention relates to the design and method of the heat energy conversion to the mechanical energy. The design contains linear loop (3), circulation device (4) ensuring refrigerant circulation in the linear loop (3), evaporator (6) where the refrigerant will be evaporated using the heat source (7), turbine (9) made with possibility to drive using the evaporated refrigerant the condenser (12) and gathering tank (14) to store the refrigerant that does not circulate in the linear loop (3). The design contains the control box made to estimate degree of the linear loop (3) filling. The flow device (16, 30) supplying the refrigerant from the gathering tank to the linear loop is made with possibility to supply the gaseous refrigerant from the gathering tank to the area of the linear loop, where the refrigerant is in gaseous phase, or with possibility of supply of the liquid refrigerant from the gathering tank to the area of the linear loop, where the refrigerant is in liquid phase.

EFFECT: improved design.

10 cl, 3 dwg

FIELD: engines and pumps.

SUBSTANCE: invention can be used in engine-construction. Air-steam internal combustion engine contains piston engine (1) of internal combustion, high pressure steam drum (2), radiator (4), screw steam engine (3), radiator (4), high pressure liquid pump (6), storage tank (5), feeding tank (8) and heat insulation of engine (1) case and drum (2) of high pressure steam from the environment. Cooling and heat discharge from piston engine (1) of internal combustion is realized by refrigerating liquid with lower boiling temperature and cooling jacket, used as steam-producing boiler, connected with high pressure drum (2). In drum (2) increase of steam temperature is achieved due to heating with exhaust gases passing through drum. Conversion of steam heat energy into additional mechanical work is realised by screw steam engine (3). Steam, cooled after expansion in screw steam engine (3), by means of radiator (4) installed in condensation contour is condensed into liquid, which is supplied from storage tank (5), connected with feeding tank (8) through check valve into cooling jacket of piston engine (1) of internal combustion by high pressure liquid pump (6) for re-use.

EFFECT: increase of steam temperature in drum of stream-producing boiler.

1 dwg

Ice liquid heater // 2535291

FIELD: engines and pumps.

SUBSTANCE: heater comprises ICE, electrical generator, heat exchange offgas heat recovery unit, offgas main line, fluid lines, electrically drive fluid pump, check valve and tank with electric heater. In compliance with this invention incorporates extra recuperative heat exchanger for cooling of coolant with electrically driven blower and three-way valves with servo drive. Note here that fluid electrically driven pump is communicated via coolant fluid lines with ICE cooling system. Said system accommodates the tank with electric heater and heat exchanger-offgas heat recovery unit. Said heat exchanger is connected via fluid line with the first three-way valve with servo drive. The latter is arranged downstream of check valve in fluid line feeding coolant from ICE to carrier heater radiator lines and those of aforesaid recuperative heat exchanger. Second three-way salve with servo drive is arranged upstream of electrically driven fluid pump to communicate coolant feed and discharge lines with carrier ICE. Besides, ICE exhaust gases are fed via offgas main line to recuperative heat exchanger.

EFFECT: higher efficiency of pre-starting heating, higher thermal efficiency, decreased overall dimensions.

1 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to automotive industry. Electric power generator (1) exploits the heat of off-gas formed in ICE operation and comprises generator (3) with off-gas inlet pipe (4) and exhaust pipe (5). This device has heat exchange section (6) with heat exchanger (10) incorporating thermoelectric element (11) and cooler (12) locked with the latter. Heat exchange section (6) has multiple off-gas passages (9) directed across inlet pipe (4) and communicated with several heat exchangers (10). At least one part of the latter incorporates, at least, one thermoelectric element (11) and at least one cooler (12). Off-gas passages (9) and thermoelectric elements (11) are directed radially. Invention covers also the vehicle incorporating aforesaid electric power generator.

EFFECT: higher rate of heat power conversion into electric power.

13 cl, 8 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to diesels. At starting, this diesel runs in four-stroke cycle with compressed air heating while at changeover to two-stroke cycle compressed airflow is divided in two flows. Note here that first flow is heated by off-gas heat to fuel ignition temperature by regenerative heat exchange while second flow is heated by recuperative heat exchange. At first stroke initial phase terminates combustion chamber filling with air from first flow, combustion and expansion of gases formed by combustion. At second stroke, off-gas is ejected and purged by second airflow at rarefaction created by ejection. At second stroke end, fuel is injected outside combustion chamber; fuel-air mix is formed and ignited by second airflow. Portion of fuel and fire mix are fed into combustion chamber being actively filled with first airflow. Engine cylinder head is composed by two chambers communicated with combustion chamber. First said chamber makes a antechamber with pump-injector while second said chamber is composed by regenerator. Additionally, this device incorporates ejector connected via exhaust manifold with discharge valve, receiver and pneumatic system composed by pipeline with solenoid valves. These are connected to regenerator and heat exchanger. Besides, pipelines with solenoid valves and nozzles are connected to cylinder, exhaust valve pump-injector servo drives.

EFFECT: higher efficiency, simplified design.

2 cl, 1 dwg

FIELD: transport.

SUBSTANCE: invention can be used in automotive vehicles equipped with ICEs. Proposed power plant comprises ICE (1), steam generator (3) arranged at ICE exhaust manifold (4), condenser (9) communicated with said steam generator, steam turbine (6), steam accumulator (5) and check valve (13) arranged ahead of said accumulator. Steam generator (3) is communicated with steam turbine (6) via steam accumulator (5). Additionally, this power plant comprises electronic control unit (11), steam feed solenoid valve (15) arranged downstream of accumulator (5), temperature gage (12) at steam generator (3), wheel angular velocity transducer (18), pressure gage (14) at steam accumulator (5), steam turbine (6) shaft rpm transducer (16) and variator (7). Steam turbine (6) is articulated with variator (7). Control unit (11) is electrically connected with temperature gage (12), pressure gage (14), wheel angular velocity transducer (18), steam turbine shaft rpm transducer (16), steam feed solenoid valve (15) and variator (7).

EFFECT: fuel savings, lower toxicity of exhaust gases.

2 dwg

Vehicle power plant // 2499902

FIELD: engines and pumps.

SUBSTANCE: proposed power plant comprises ICE with turbo compressor equipped with intake and exhaust pipes and communicated with the engine intake and exhaust manifolds. Power plant comprises supercharging air cooler with hot and cold chambers, coolant circulation circuit including evaporator, expander and refrigerator, brake system compressor drive by ICE and having intake pipe. Brake system compressor intake pipe is furnished with air filter including case with tapered bottom accommodating steam trap while case top section accommodates converging nozzle with inlet and outlet. Nozzle inner surface has screw grooves arranged in lengthwise direction from inlet to outlet. Baffle plate is arranged ahead of outlet. Engine exhaust pipes are equipped with thermoelectric generator composed of a casing with two flow channels for engine exhaust gases and sucked atmospheric air and a set of differential thermocouples with hot ends located in exhaust gas channel and cold ends in sucked atmospheric air channel. Evaporator is connected with suction pipes of turbo compressor via ejector provided with triple valve. Exhaust gas channel inlet is communicated with exhaust pipes while its outlet is communicated with atmosphere. Atmospheric air flow channel inlet is communicated with suction pipes via triple valve while its outlet communicates with ejector mixing chamber.

EFFECT: higher engine efficiency.

3 dwg

FIELD: engines and pumps.

SUBSTANCE: diesel feed system comprises fuel tank, fuel heater, coarse filter, low-pressure fuel pump, fine filter, high-pressure fuel pump, atomiser and fuel lines. Besides, it is equipped with fuel heater driven by waste gas heat power, fuel heater switch arranged at engine exhaust system, control unit, flow section area variation and fuel heating cutoff mechanism, waste gas flow rate controller, fuel temperature gages and solenoid valves.

EFFECT: faster fuel heating.

1 dwg

FIELD: engines and pumps.

SUBSTANCE: automobile drive assembly includes internal combustion engine (1) connected to a driven shaft. There is waste heat utilisation system (5), by means of which at least some amount of waste heat is removed from internal combustion engine (1) and/or from exhaust gas outlet system (10) installed after internal combustion engine (1). At least some amount of waste heat is converted by means of thermally driven energy converter (4) to electric energy that is at least partially supplied at least to one additional consumer and/or to electric onboard network of the automobile. In addition to waste heat utilisation system (5) there provided is additional heat source (2) having the possibility of feeding thermally driven energy converter (4) with heat; at that, waste is removed from the cooling system cooling the internal combustion engine during operation.

EFFECT: reduction of drive assembly components.

14 cl, 4 dwg

FIELD: power industry.

SUBSTANCE: invention can be used in devices for conversion of heat energy to mechanical energy. A structure for conversion of heat energy to mechanical energy includes line circuit (3), circulation device (4) for circulation in line circuit (3) of a zeotropic mixture of cooling agents, which includes the first cooling agent and the second cooling agent, evaporator (6), heat source (7), turbine (9) and condenser (12). The first cooling agent has evaporation temperature that is higher than the second cooling agent at similar pressure. In evaporator (6) a mixture of cooling agents is evaporated by means of heat source (7). Turbine (9) is brought into movement by evaporated mixture of cooling agents. In condenser (12) the mixture of cooling agents is cooled so that it is condensed. There is a control device having a possibility of evaluation whether the mixture of cooling agents is fully evaporated in evaporator (6), and in case the situation is as described above, the structure is changed over to a low-effective state. When in a low-effective state, non-fully evaporated mixture of cooling agents, which leaves the evaporator, is supplied to separating device (14), in which some part of the mixture of cooling agents, which is in a liquid form, is separated from some part of the mixture of cooling agents, which is in a gaseous form; after that, only the gaseous part of the mixture of cooling agents is sent in the direction to the turbine in line circuit (3). When temperature of heat source (7) increases inversely to high temperature, the structure is changed over to a high-effective state, in which the separated liquid mixture of cooling agents is discharged back to line circuit (3). The invention describes a conversion method of heat energy to mechanical energy.

EFFECT: possible conversion of heat energy from a heat source with reduced temperature.

10 cl, 2 dwg

FIELD: electricity.

SUBSTANCE: claim describes electric energy generating device (1) using waste gas (2) heat formed during operation of a combustion engine (3), the device includes a generator (4) with inlet (5) and outlet (6) for waste gas and a heat exchange section (7) between them with a variety of flowing channels (8) for waste gas (2), which are surrounded at least partially by thermoelectric cells (9) connected by a heat-conducting connection to the cooler (11) by their side (10) faced away from the flowing channels (8).

EFFECT: improvement of electric energy generation.

13 cl, 9 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to automotive industry. Electric power generator (1) exploits the heat of off-gas formed in ICE operation and comprises generator (3) with off-gas inlet pipe (4) and exhaust pipe (5). This device has heat exchange section (6) with heat exchanger (10) incorporating thermoelectric element (11) and cooler (12) locked with the latter. Heat exchange section (6) has multiple off-gas passages (9) directed across inlet pipe (4) and communicated with several heat exchangers (10). At least one part of the latter incorporates, at least, one thermoelectric element (11) and at least one cooler (12). Off-gas passages (9) and thermoelectric elements (11) are directed radially. Invention covers also the vehicle incorporating aforesaid electric power generator.

EFFECT: higher rate of heat power conversion into electric power.

13 cl, 8 dwg

FIELD: engines and pumps.

SUBSTANCE: automobile drive assembly includes internal combustion engine (1) connected to a driven shaft. There is waste heat utilisation system (5), by means of which at least some amount of waste heat is removed from internal combustion engine (1) and/or from exhaust gas outlet system (10) installed after internal combustion engine (1). At least some amount of waste heat is converted by means of thermally driven energy converter (4) to electric energy that is at least partially supplied at least to one additional consumer and/or to electric onboard network of the automobile. In addition to waste heat utilisation system (5) there provided is additional heat source (2) having the possibility of feeding thermally driven energy converter (4) with heat; at that, waste is removed from the cooling system cooling the internal combustion engine during operation.

EFFECT: reduction of drive assembly components.

14 cl, 4 dwg

FIELD: engines and pumps.

SUBSTANCE: pre-startup oil heating device includes a heating unit installed in oil tank, oil pump installed in the circuit consisting of receiving pipeline interconnected with its inlet to oil tank in the zone below oil level, and drain pipeline interconnected with oil tank. According to the present invention, heating unit is installed in sealed casing, to the cavity of which outlet of receiving pipeline is connected, drain pipeline is connected to cavity of sealed casing, and outlet opening of drain pipeline is located in near-bottom zone of oil tank.

EFFECT: increasing oil heating efficiency during pre-startup period; reducing labour intensity of maintenance and repair of the device.

5 cl, 1 dwg

FIELD: engines and pumps.

SUBSTANCE: reduction method of content of nitrogen oxides (NOx) in exit gases is intended for internal combustion engine (10) installed on transport vehicle and containing at least one cylinder (11), inlet air supply pipeline (12), outlet pipeline (14) for removal of exit gases to exit gas neutralisation system (40) used to reduce the hazardous emission level of internal combustion engine (10). Engine includes exit gas recirculation system (80) supplying the exit gases from outlet pipeline (14) to inlet pipeline (12) of internal combustion engine (10). After outlet pipeline (14) in flow of exit gases there installed in series is turbine (54) of turbosupercharger (50) and turbine (60) of turbocompound, which are used at least as two energy converters (54, 60) to absorb the energy of exit gases. Control of internal combustion engine (10) operation in high and/or average load mode is performed so that at certain output power it can operate with increased load and reduced rotation frequency of crankshaft in comparison to rotation frequency usually chosen for the above certain output power. Temperature rise of exit gases, which is achieved due to operation of internal combustion engine (10) with reduced rotation frequency of crankshaft, is performed up to the first temperature, which is sufficient for actuation at least of two turbines (54, 60) and setting of certain exit gas temperature after those turbines. Cooling of exit gases having increased temperature on two turbines (54, 60) is performed to the temperature in the desired temperature range contributing to NOx neutralisation in exit gas neutralisation system (40). Variation of rotation frequency of crankshaft of internal combustion engine (10) is performed depending on NOx content in exit gases after they pass through exit gas neutralisation system (40) and/or depending on design capability of exit gas neutralisation system (40) as to NOx neutralisation. Nitrogen oxide content reduction device has been described.

EFFECT: reduction of hazardous emission level and economy of fuel is provided.

14 cl, 3 dwg

FIELD: machine building.

SUBSTANCE: water is injected into the exhaust port at the moment when its temperature is low. When cold water is injected under high pressure, it produces a significant cooling effect which leads to a rapid drop in the pressure in the exhaust port. Under a certain injection pressure such a cooling rate is achieved which does not allow pressure drop at the output of the turbo compressor to be compensated by a reverse flow of atmospheric air through the muffler.

EFFECT: increase in pressure differential having an effect on the blades of the turbo compressor and increase in turbo compressor supercharging pressure.

1 dwg

FIELD: transport.

SUBSTANCE: invention relates to machine building, particularly, to vehicles. Motor transport vehicle comprises ICE with exhaust gas system incorporating silencer and heat recovery system. Recovery system medium circulation circuit incorporates pump, evaporator, expander, and condenser, and allows conversion of engine and/or its assembly unit off-heat into useful energy that increases ICE output. Evaporator is either incorporated with the silencer and in extreme exhaust pipe, or partially doubles as silencer, or it is mounted outside the silencer while exhaust pipe extreme end is located behind it. It may also be integrated with extreme exhaust pipe running above driver cabin and built therein or partially doubles as it, or integrated with silencer built in exhaust pipe running upward behind the driver cabin.

EFFECT: better design due to arrangement of evaporator in silencer.

10 cl, 12 dwg

FIELD: heat power engineering.

SUBSTANCE: invention relates to plants converting low-grade heat into electric energy. Proposed plant contains housing, thermoelectric modules connected with storage battery. Thermoelectric modules are arranged after air heating of gas-turbine electric station consisting of series-connected compressor, combustion chamber, turbine, free turbine, and electric generator, and heat pump.

EFFECT: enlarged functional capabilities of conversion of low-grade heat into electric energy, increased efficiency of plant.

1 dwg

The invention relates to the field of engineering, namely, noise absorber, mainly internal combustion engines

FIELD: power industry.

SUBSTANCE: invention can be used in pre-starting and auxiliary heat power plants of vehicles for simultaneous generation of heat and the electric power. Pre-starting heat power plant for vehicles contains an internal combustion engine (1), an electric generator (2), a waste heat exchanger (3) utilising the heat of exhaust gases, a mixing device (4) with an electric heater, a liquid pump (8) with the electric drive, a check valve (5) and hydraulic lines (9), (10), (11) with heat carrier. The plant is also contains the oil pump (15) with the electric drive, the recuperative heat exchanger (18) for heating of engine oil and the oil line which is built in the oil pan with the nozzles directed towards necks of the cranked shaft and towards the oil pump of the internal combustion engine, oil hydraulic lines. The recuperative heat exchanger (18) of heating of engine oil according to the series hydraulic circuit is connected by hydraulic lines of the heat carrier to the mixing device (4) with the electric heater. The oil pump (15) with the electric drive through oil hydraulic lines supplies engine oil to the recuperative heat exchanger (18) for heating of engine oil after which heated engine oil is supplied into the oil line which is built in the oil pan with the nozzles directed towards the necks of the cranked shaft and towards the oil pump of the internal combustion engine.

EFFECT: design simplification and reduction of dimensions.

1 dwg

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