CN101915180A - Internal-combustion engine with waste heat reclamation and utilization function and control method - Google Patents
Internal-combustion engine with waste heat reclamation and utilization function and control method Download PDFInfo
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- CN101915180A CN101915180A CN2010102047502A CN201010204750A CN101915180A CN 101915180 A CN101915180 A CN 101915180A CN 2010102047502 A CN2010102047502 A CN 2010102047502A CN 201010204750 A CN201010204750 A CN 201010204750A CN 101915180 A CN101915180 A CN 101915180A
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Abstract
The invention provides an internal-combustion engine with waste heat reclamation and utilization function and a control method, and particularly relates to exhaust waste heat reclamation and utilization, fuel supply and combustion control of an internal-combustion engine. The device combined with an electric control system of a traditional spark ignition internal-combustion engine can realize reclamation and utilization of exhaust energy of the internal-combustion engine. The device does not reclaim the exhaust energy when the internal-combustion engine is in the working conditions of start, idle speed and high load, reclaims the exhaust energy when the internal-combustion engine is in the working condition of partial load, realizes thin combustion of hot air of the partial load and a large restrictor of the internal-combustion engine by heating the inlet air, and greatly reduces the oil consumption and emission of the partial load of the spark ignition internal-combustion engine for a vehicle. The device has the advantages of simple structure, easy manufacture, low cost and flexible control, can be used for reforming the vehicle internal-combustion engine, can be applied to the internal-combustion engine of a new vehicle, and has wide market prospect and good energy conservation and emission reduction effects.
Description
Technical field
The invention provides a kind of internal-combustion engine and controlling method that has heat recovery and utilize function, be specifically related to a kind of exhaust heat recovery and utilization, fuel supply and burning control of internal-combustion engine.
Background technique
Since the seventies in 20th century, along with electronic technology and exhaust aftertreatment broad application, the oil consumption and the hazardous emission of internal-combustion engine are reduced significantly.Traditional petrol engine belongs to the premix homogeneous combustion, owing to be subjected to all multifactor restrictions such as pinking, compression ratio is low, and the thermal efficiency is low, adopts electronic control and exhaust gas post-treatment device can make petrol engine reach lower discharging.Compare with petrol engine, diesel engine compression ratio height has the higher thermal efficiency and superior fuel economy, and still, the burning of conventional diesel engine is the diffusive combustion of injected fuel spray, and the high temperature when relying on internal combustion engine to be compressed near terminal point makes the mixed gas involuntary ignition.Because spraying is very short with the mixed time of air, it is seriously inhomogeneous that fuel and air mix, and forms high temperature rich mixture district and hot flame district, causes soot and NO
XThe a large amount of generation, employing Electrocontrolled high-pressure common rail and repeatedly oil spout technology are also attached can to make diesel engine reach very low discharging with exhaust gas aftertreatment techniques, but cost is higher.Another kind is subjected to the burning form of extensive concern, and the high compression ratio of diesel engine and the premixing of petrol engine homogeneous are combined, and has formed homogeneous premixing ignition engine, and high compression ratio realizes high thermal efficiency, and the homogeneous premixing realizes low emission.This internal-combustion engine is at the mixed gas of intake process formation homogeneous, and homogeneous charge is realized the multiple spot involuntary ignition in the time of near being compressed to top dead center.Owing to adopt the weak mixture homogeneous to burn simultaneously, there is not localized hyperthermia's reaction zone of spark ignition and diffusive combustion, make NO
XVery low with the PM discharging, and have the higher thermal efficiency.Boundary conditions and chemistry of fuel Collaborative Control but this combustion manner is burnt do not have the spark ignition of petrol engine and the cylinder-in oil-jet of diesel engine to control ignition timing, therefore, ignition timing is restive, low-load easily catches fire, the easy pinking of high load, and operating conditions is narrower.The conventional gasoline machine adopts stoichiometric proportion burning and mechanical throttle adjustment air inflow, the thermal efficiency when sub load is lower, delivery temperature is higher, the air inlet flow losses are big, because petrol engine overwhelming majority time services are at part load condition, thereby cause the petrol engine overall thermal efficiency lower.The present invention adopts high-performance heat exchanger to reclaim the exhaust energy that internal-combustion engine is in part load condition, utilize this energy that the air inlet of petrol engine is heated, can enlarge the lean-burn boundary of petrol-air mixture, realize efficient lean combustion, and in order to keep the power of former machine, need open the engine, cause the pumping loss of petrol engine to reduce, therefore, adopting air inlet heating, lean-burn and big throttle opening can improve the thermal efficiency and the reduction discharging of petrol engine in sub load greatly, is a kind of technological means of effective ignition internal combustion engine energy-saving and emission-reduction.
Summary of the invention
In order to realize improving the spark-ignition internal combustion engine sub load thermal efficiency, reduce the purpose of discharging, the present invention has adopted following technological scheme: a kind of internal-combustion engine that has heat recovery and utilize function comprises the cylinder of internal-combustion engine 4 of traditional automatically controlled spark-ignition internal combustion engine, internal-combustion engine vent-pipe 6, CAP sensor 8, cooling-water temperature sensor 9, intake temperature and pressure transducer 10, throttle position sensor 11, detonation sensor 12, linear oxygen sensors 13, former dynamo-electric control unit 14, ignition module 16, spark plug 17, internal combustion engine 18, fuel tank 19, fuel pressure regulator 20, fuel nozzle 21, the empty filter 23 of electronic throttle 22 and air-intake of combustion engine.It is characterized in that having increased a cover exhaust heat of internal combustion engine recovering device, comprise heat exchanger low temperature suction tude 1, heat exchanger air inlet switch valve 2, the empty filter 3 of heat exchanger air inlet, heat exchanger 5, heat exchanger high temperature steam outlet pipe 7, air-intake of combustion engine switch valve 25 and waste heat management control unit 15.CAP sensor 8, cooling-water temperature sensor 9, intake temperature and pressure transducer 10, throttle position sensor 11, detonation sensor 12, linear oxygen sensors 13 link to each other with former dynamo-electric control unit 14 by cable.Waste heat management control unit 15 is by cable and the former dynamo-electric signal that unit 14 links to each other and obtains all the sensors 8-13 that links to each other with former dynamo-electric control unit 14 of controlling.In addition, waste heat management control unit 15 links to each other with heat exchanger air inlet switch valve 2, ignition module 16, fuel nozzle 21, electronic throttle 22 and air-intake of combustion engine switch valve 25 by cable.Fuel tank 19, fuel pressure regulator 20 and fuel nozzle 21 are connected successively by Stainless Steel Tube or pressure hose, and fuel nozzle 21 is connected on the intake lines of combustion engines 24.Empty filter 23 of air-intake of combustion engine and air-intake of combustion engine switch valve 25 are connected on the intake lines of combustion engines 24.Heat exchanger 5 is connected on the internal-combustion engine vent-pipe 6, the empty filter 3 of heat exchanger air inlet switch valve 2 and heat exchanger air inlet is connected in turn on the heat exchanger low temperature suction tude 1 and integral body is connected on the heat exchanger 5, is connected between electronic throttle 22 and the empty filter 23 of air-intake of combustion engine by heat exchanger high temperature steam outlet pipe 7 between heat exchanger 5 and the intake lines of combustion engines 24.
A kind of control procedure of controlling method under different operating modes with heat recovery and the internal-combustion engine that utilizes function is as follows:
When internal-combustion engine is in starting, idling and high load working condition, waste heat management control unit 15 controlling combustion engine air inlet switch valves 25 are opened, heat exchanger air inlet switch valve 2 cuts out, and sucks normal temperature air by air-intake of combustion engine switch valve 25, the empty filter 23 of air-intake of combustion engine and intake lines of combustion engines 24.When internal-combustion engine is in sub load, waste heat management control unit 15 controlling combustion engine air inlet switch valves 25 cut out, heat exchanger air inlet switch valve 2 is opened, by the air that heat exchanger low temperature suction tude 1, heat exchanger air inlet switch valve 2, the empty filter 3 of heat exchanger air inlet, heat exchanger 5 and heat exchanger high temperature steam outlet pipe 7 suck through the exhaust gases of internal combustion engines heating, make internal combustion engine at hot air, lean-burn and big closure state.
1) starting and idling operation: the signal determining cooling water temperature that the signal determining internal-combustion engine rotational speed that waste heat management control unit 15 receives CAP sensor 8 by former dynamo-electric control unit 14 is lower than 400rpm and cooling-water temperature sensor 9 is lower than 60 degree, determines that internal-combustion engine is in state of starting operating; Waste heat management control unit 15 receives the signal determining internal-combustion engine rotational speed of CAP sensor 8 greater than 600rpm by former dynamo-electric control unit 14, the signal determining cooling water temperature of cooling-water temperature sensor 9 less than 1 volt, determines that internal-combustion engine is in idling operation greater than 60 degree and the signal of throttle position sensor 12.When internal-combustion engine is in starting or idling operation, waste heat management control unit 15 sends heat exchanger air inlet switch valve control signal a and closes heat exchanger air inlet switch valve 2, send air-intake of combustion engine switch valve control signal e simultaneously and open air-intake of combustion engine switch valve 25, make air enter cylinder of internal-combustion engine 4 by intake lines of combustion engines 24 and the empty filter 23 of air-intake of combustion engine.At starting and idling operation, waste heat management control unit 15 adopts the starting and the idle speed control strategy of former dynamo-electric control unit 14 fully.
2) partial load condition: air-intake of combustion engine switch valve 25 cuts out, and heat exchanger air inlet switch valve 2 is opened.Waste heat management control unit 15 receives the corner signal of CAP sensor 8 by former dynamo-electric control unit 14, the cooling water temperature signal of cooling-water temperature sensor 9, the throttle position signal of throttle position sensor 11, the air fuel ratio signal of linear oxygen sensors 13 is that the 1-3 volt judges that internal-combustion engine is in partial load condition according to throttle position signal.Increase along with engine load, delivery temperature increases, by heat exchanger low temperature suction tude 1, heat exchanger air inlet switch valve 2, the empty filter 3 of heat exchanger air inlet, the air temperature that heat exchanger 5 and heat exchanger high temperature steam outlet pipe 7 enter intake lines of combustion engines 24 improves constantly, at this moment, waste heat management control unit 15 is according to the intake air temperature signals of intake temperature and pressure transducer 10, send Electronic Throttle Control signal d, the aperture of electronic throttle 22 is increased, sending fuel injection signal c makes fuel nozzle 21 reduce fuel injection amount, make internal-combustion engine be in hot air, big closure, the combustion regime of lean-burn, according to the intake temperature and the intake air temperature signals of pressure transducer 10 and the detonation signal of detonation sensor 12 that obtain, determine that by internal combustion engine bench test the internal-combustion engine sub load realizes hot air, big closure; the throttle opening of lean combustion; excess air coefficient and firing angle arteries and veins spectrum.
3) high load working condition: waste heat management control unit 15 controlling combustion engine air inlet switch valves 25 are opened, and heat exchanger air inlet switch valve 2 cuts out.Waste heat management control unit 15 receives the corner signal of CAP sensor 8 by former dynamo-electric control unit 14, the cooling water temperature signal of cooling-water temperature sensor 9, the throttle position signal of throttle position sensor 11, the air fuel ratio signal of linear oxygen sensors 13 is that the 3-5 volt judges that internal-combustion engine is in high load working condition according to throttle position signal.Waste heat management control unit 15 sends fuel ignition control signal b, by ignition module 16 spark plug 17 is got angry, send fuel injection signal c simultaneously and make fuel nozzle 21 burner oils, send Electronic Throttle Control signal d, realize the internal-combustion engine high load working condition by aperture and the firing angle of adjusting electronic throttle 22.At high load working condition, waste heat management control unit 15 adopts the big load control strategy of former dynamo-electric control unit 14 fully.
Working procedure of the present invention: when internal-combustion engine is in starting, idling and high load working condition, do not adopt exhaust heat of internal combustion engine that air inlet is heated, the control strategy that this moment, waste heat management control unit 15 adopted former dynamo-electric control unit 14 to internal-combustion engine start, idling and big load control; When internal-combustion engine is in partial load condition, waste heat management control unit 15 receives the corner signal of CAP sensor 8 by former dynamo-electric control unit 14, the cooling water temperature signal of cooling-water temperature sensor 9, the throttle position signal of throttle position sensor 11, the intake air temperature signals of intake temperature and pressure transducer 10, the air fuel ratio signal of linear oxygen sensors 13, the detonation signal of detonation sensor 12, realize the hot air of internal-combustion engine in sub load, big closure; lean combustion reaches the purpose of improving burning of internal-combustion engine sub load and emission performance by a relatively large margin.
Because spark-ignition internal combustion engine overwhelming majority time service is at partial load condition, therefore, the invention has the beneficial effects as follows, at the shortcoming that the traditional chemical metering is lower than burning spark-ignition internal combustion engine sub load efficient, discharging is high, a kind of exhaust heat of internal combustion engine heating air inlet that utilizes has been proposed, enlarge the lean-burn scope of petrol-air mixture, realize the efficient and low emission of spark-ignition internal combustion engine sub load by hot mixed gas, big closure and lean combustion.Apparatus and method of the present invention have not only reclaimed the I. C. engine exhaust energy, the delivery temperature and the exhaust sound of internal-combustion engine have been reduced, also improve the thermal efficiency of internal-combustion engine sub load greatly and reduced discharging, be an effective spark-ignition internal combustion engine energy-conserving and emission-cutting technology route, become the simple and practical technological means of improving the spark-ignition internal combustion engine performance.
Description of drawings
Fig. 1 structure of the present invention and fundamental diagram
Among the figure 1, heat exchanger low temperature suction tude; 2, heat exchanger air inlet switch valve; 3, the empty filter of heat exchanger air inlet; 4, cylinder of internal-combustion engine; 5, heat exchanger; 6, internal-combustion engine vent-pipe; 7, heat exchanger high temperature steam outlet pipe; 8, CAP sensor; 9, cooling-water temperature sensor; 10, intake temperature and pressure transducer; 11, throttle position sensor; 12, detonation sensor; 13, linear oxygen sensors; 14, the former dynamo-electric unit of controlling; 15, waste heat management control unit; 16, ignition module; 17, spark plug; 18, internal combustion engine; 19, fuel tank; 20, fuel pressure regulator; 21, fuel nozzle; 22, electronic throttle; 23, the empty filter of air-intake of combustion engine; 24, intake lines of combustion engines; 25, air-intake of combustion engine switch valve; A, heat exchanger air inlet switch valve control signal; B, internal-combustion engine ignition control signal; C, fuel injection signal; D, Electronic Throttle Control signal; E, air-intake of combustion engine switch valve control signal.
Embodiment
Owing to do not carry out heat recovery and utilization at starting, idling and big load, adopt former machine to control fully, therefore, present embodiment has only carried out the experiment of partial load condition petrol engine, describes present embodiment in detail below in conjunction with accompanying drawing.As shown in Figure 1, present embodiment comprises: heat exchanger low temperature suction tude (1), heat exchanger air inlet switch valve (2), the empty filter (3) of heat exchanger air inlet, cylinder of internal-combustion engine (4), heat exchanger (5), internal-combustion engine vent-pipe (6), heat exchanger high temperature steam outlet pipe (7), CAP sensor (8, cooling-water temperature sensor (9), intake temperature and pressure transducer (10), throttle position sensor (11), detonation sensor (12), linear oxygen sensors (13), former dynamo-electric control unit (14), waste heat management control unit (15), ignition module (16), spark plug (17), internal combustion engine (18), fuel tank (19); , the empty filter (23) of fuel pressure regulator (20), fuel nozzle (21), electronic throttle (22), air-intake of combustion engine, intake lines of combustion engines (24), air-intake of combustion engine switch valve (25).
The experiment internal-combustion engine is 1 array, 4 cylinder 1.6L electronic injection gasoline engines, by the ignition internal combustion engine with function of recovering waste heat that is transformed into shown in Figure 1.It is that 150mm, length are the tubular heat exchanger of 300mm that diameter is adopted in experiment, built-in 10 long 300mm, diameter is 30mm, wall thickness is the Stainless Steel Tube of 1mm, high-temp waste gas flows through from 10 Stainless Steel Tube inside, the air of heat transferred Stainless Steel Tube outside, the air that is subjected to waste heating is sucked cylinder by piston.Adopt Hunan, Hunan instrument electric eddy current dynamometer to measure torque, rotating speed and the oil consumption of internal-combustion engine, the Horiba-7100DEGR emission analyzer that adopts a Japanese hole field Co., Ltd. to produce, HC, CO and the NO of measurement internal-combustion engine
xDischarging.The experiment internal-combustion engine rotational speed is 1400rpm, and suction pressure is 61.5Kpa, and delivery temperature is 567 ℃.
Waste heat management control unit 15 receives the corner signal of CAP sensor 8 by former dynamo-electric control unit 14, the suction pressure signal of intake temperature and pressure transducer 10, determine that internal-combustion engine rotational speed is 1400rpm, suction pressure is 61.5Kpa, and internal-combustion engine is in the sub load working state.Waste heat management control unit 15 controlling combustion engine air inlet switch valves 25 cut out, heat exchanger air inlet switch valve 2 is opened, and the air that sucks through the exhaust gases of internal combustion engines heating by heat exchanger low temperature suction tude 1, heat exchanger air inlet switch valve 2, the empty filter 3 of heat exchanger air inlet, heat exchanger 5 and heat exchanger high temperature steam outlet pipe 7 enters cylinder.Waste heat management control unit 15 determines that by the intake air temperature signals of former dynamo-electric control unit 14 acquisition intake temperature and pressure transducer 10 the air-intake of combustion engine temperature after the exhaust heating is 74 ℃.
Waste heat management control unit 15 sends fuel injection signal c makes fuel nozzle 21 reduce fuel injection amount, the air fuel ratio that air fuel ratio signal by linear oxygen sensors 13 obtains thin hot mixed gas this moment is 22, send Electronic Throttle Control signal d, the aperture that strengthens electronic throttle 22 makes suction pressure reach 81.2Kpa, send fuel ignition control signal b, be 22CA and spark plug 17 is got angry by ignition module 16 adjustment firing angle, make internal-combustion engine be in hot air, big closure, lean combustion state.
Experimental result shows, is 90 ℃ at cooling water temperature, and former machine is 1400rpm at rotating speed, and the effective thermal efficiency when suction pressure is 61.5Kpa is 18.7%, HC, CO and NO before the catalyst converter
xDischarging is respectively 4500ppm, and 3.7%, 2400ppm.Under identical rotating speed and water temperature condition, adopt heat recovery to realize that the effective thermal efficiency of the petrol engine of hot air, big closure, thin combustion is 22.5%, HC, CO and NO before the catalyst converter
xDischarging is respectively 2470ppm, and 1.5%, 1540ppm compares effective thermal efficiency with former machine and has improved 20.3%, and the HC discharging has reduced by 45%, and the CO discharging has reduced by 59%, NO
xDischarging reduces by 9.4%.
Above-mentioned internal combustion engine bench test result shows, adopt a kind of internal-combustion engine and controlling method that has heat recovery and utilize function of the present invention, can improve spark-ignition internal combustion engine greatly and also reduce HC, CO and NO greatly at the thermal efficiency of sub load
xDischarging.This technology will reach higher emission standard and realize that lower oil consumption provides an otherwise effective technique approach for Vehicular internal combustion engine.
Claims (4)
1. internal-combustion engine that has heat recovery and utilize function comprises the cylinder of internal-combustion engine (4) of traditional automatically controlled spark-ignition internal combustion engine, internal-combustion engine vent-pipe (6), CAP sensor (8), cooling-water temperature sensor (9), intake temperature and pressure transducer (10), throttle position sensor (11), detonation sensor (12), linear oxygen sensors (13), former dynamo-electric control unit (14), ignition module (16), spark plug (17), internal combustion engine (18), fuel tank (19), fuel pressure regulator (20), fuel nozzle (21), the empty filter (23) of electronic throttle (22) and air-intake of combustion engine; It is characterized in that: increased by a cover exhaust heat of internal combustion engine recovering device, comprised heat exchanger low temperature suction tude (1), heat exchanger air inlet switch valve (2), the empty filter (3) of heat exchanger air inlet, heat exchanger (5), heat exchanger high temperature steam outlet pipe (7), air-intake of combustion engine switch valve (25) and waste heat management control unit (15); CAP sensor (8), cooling-water temperature sensor (9), intake temperature and pressure transducer (10), throttle position sensor (11), detonation sensor (12), linear oxygen sensors (13) link to each other with former dynamo-electric control unit (14); Waste heat management control unit (15) links to each other with former dynamo-electric control unit (14) and obtains the signal of all the sensors (8)-(13) that link to each other with former dynamo-electric control unit (14); Waste heat management control unit (15) links to each other with heat exchanger air inlet switch valve (2), ignition module (16), fuel nozzle (21), electronic throttle (22) and air-intake of combustion engine switch valve (25), fuel tank (19), fuel pressure regulator (20) and fuel nozzle (21) are connected successively, and fuel nozzle (21) is connected on the intake lines of combustion engines (24).Empty filter (23) of air-intake of combustion engine and air-intake of combustion engine switch valve (25) are connected on the intake lines of combustion engines (24).Heat exchanger (5) is connected on the internal-combustion engine vent-pipe (6), the heat exchanger low temperature suction tude (1) that the empty filter of heat exchanger air inlet switch valve (2) and heat exchanger air inlet (3) is connected in turn goes up and integral body is connected on the heat exchanger (5), is connected between electronic throttle (22) and the empty filter of air-intake of combustion engine (23) by heat exchanger high temperature steam outlet pipe (7) between heat exchanger (5) and the intake lines of combustion engines (24).
2. a kind of internal-combustion engine that has heat recovery and utilize function according to claim 1 is characterized in that used fuel is gasoline, methyl alcohol, ethanol, liquefied petroleum gas (LPG) and rock gas.
3. the described a kind of internal-combustion engine that has heat recovery and utilize function of claim 1, it is characterized in that adopting following control strategy: when 1) internal-combustion engine is in starting, idling and high load working condition, air-intake of combustion engine switch valve (25) is opened, heat exchanger air inlet switch valve (2) cuts out, suck normal temperature air by air-intake of combustion engine switch valve (25), the empty filter (23) of air-intake of combustion engine and intake lines of combustion engines (24), waste heat management control unit (15) adopts starting, idling and the control strategy of loading greatly of former dynamo-electric control unit (14) fully.When 2) internal-combustion engine is in partial load condition, air-intake of combustion engine switch valve (25) cuts out, heat exchanger air inlet switch valve (2) is opened, suck the air that heats through I. C. engine exhaust by heat exchanger low temperature suction tude (1), heat exchanger air inlet switch valve (2), the empty filter (3) of heat exchanger air inlet, heat exchanger (5) and heat exchanger high temperature steam outlet pipe (7), make internal combustion engine at hot air, lean-burn and big closure state.
4. a kind of controlling method that has heat recovery and utilize the internal-combustion engine of function according to claim 3, it is characterized in that: waste heat management control unit (15) receives the corner signal of CAP sensor (8) by former dynamo-electric control unit (14), the cooling water temperature signal of cooling-water temperature sensor (9), the throttle position signal of throttle position sensor (11), the air fuel ratio signal of linear oxygen sensors (13) is that the 1-3 volt judges that internal-combustion engine is in partial load condition according to throttle position signal; Increase along with engine load, delivery temperature increases, by heat exchanger low temperature suction tude (1), heat exchanger air inlet switch valve (2), the empty filter (3) of heat exchanger air inlet, the air temperature that heat exchanger (5) and heat exchanger high temperature steam outlet pipe (7) enter intake lines of combustion engines (24) improves constantly, waste heat management control unit this moment (15) is according to the intake air temperature signals of intake temperature and pressure transducer (10), send Electronic Throttle Control signal (d), the aperture of electronic throttle (22) is increased, send fuel injection signal (c) and make fuel nozzle (21) reduce fuel injection amount, make internal-combustion engine be in hot air, big closure; lean combustion state; According to the intake temperature and the intake air temperature signals of pressure transducer (10) and the detonation signal of detonation sensor (12) that obtain, determine that by internal combustion engine bench test the internal-combustion engine sub load realizes throttle opening, excess air coefficient and the firing angle arteries and veins spectrum of hot air, big closure, lean combustion.
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| CN2010102047502A CN101915180B (en) | 2010-06-11 | 2010-06-11 | Internal-combustion engine with waste heat reclamation and utilization function and control method |
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| CN2010102047502A CN101915180B (en) | 2010-06-11 | 2010-06-11 | Internal-combustion engine with waste heat reclamation and utilization function and control method |
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| CN104989535A (en) * | 2015-06-08 | 2015-10-21 | 北京工业大学 | Dimethyl-ether-doped internal combustion engine ignition/compression ignition control device and method based on cylinder pressure |
| CN106640406A (en) * | 2015-11-03 | 2017-05-10 | 熵零股份有限公司 | Heat power system |
| CN108952997A (en) * | 2018-07-27 | 2018-12-07 | 湘潭大学 | Engine waste heat utilization system based on bionical soaking plate and pulsating heat pipe phase-change heat storage technology |
| CN109519262A (en) * | 2019-01-14 | 2019-03-26 | 温州大学瓯江学院 | It is a kind of for improving the heat regenerative system and heat regenerating method of Motorcycle Performance and discharge |
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| Publication number | Publication date |
|---|---|
| CN101915180B (en) | 2012-01-11 |
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