CN106401834B - A kind of diesel engine low-temperature heating system - Google Patents
A kind of diesel engine low-temperature heating system Download PDFInfo
- Publication number
- CN106401834B CN106401834B CN201610466158.7A CN201610466158A CN106401834B CN 106401834 B CN106401834 B CN 106401834B CN 201610466158 A CN201610466158 A CN 201610466158A CN 106401834 B CN106401834 B CN 106401834B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000000446 fuel Substances 0.000 claims abstract description 29
- 239000002826 coolant Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000002283 diesel fuel Substances 0.000 claims abstract description 25
- 230000036413 temperature sense Effects 0.000 claims abstract description 19
- 239000003921 oil Substances 0.000 claims description 43
- 239000002828 fuel tank Substances 0.000 claims description 27
- 238000009413 insulation Methods 0.000 claims description 7
- 239000010705 motor oil Substances 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 230000008859 change Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008450 motivation Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012802 pre-warming Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006903 response to temperature Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention discloses a kind of diesel engine low-temperature heating systems, including engine, fuel heater, solenoid valve, coolant liquid leakage alarm, dividing control valve block, temperature sense direction valve, oil tank heating apparatus and pipeline heating device；The fuel heater is equipped with the first shut-off valve and the second shut-off valve, the engine water outlet is divided into two-way, it is connect all the way with first shut-off valve, another way is connect by solenoid valve the first water inlet fast with the dividing control valve, the oil tank heating apparatus is equipped with temperature sense direction valve, and the control terminal of the temperature sense direction valve is connected with temperature sensor；First water outlet of the dividing control valve is connect by coolant liquid leakage alarm with the temperature sense direction valve of the oil tank heating apparatus, the pipeline heating device connection engine filters and oil pump.Diesel oil viscosity and mobility when the present invention effectively improves low temperature make its burning sufficiently, guarantee the smooth starting and normal operation of diesel engine, reduce cost, protect environment.
Description
Technical field
The invention belongs to diesel engine heating arts, further relate to diesel engine low-temperature heating system.
Background technique
The starting of diesel engine winter low temperature, by the abrasion of acceleration motor, exhaust emissions is also serious than usual.It causes to send out
The main reason for motivation cold-starting is difficult be diesel oil itself low temperature flow and vapo(u)rability it is poor caused by diesel oil analysis wax.One
Kind of solution is the diesel oil that different labels are filled according to temperature change, i.e. low temperature season uses high grade diesel oil, but with low mark
Number diesel oil compare, high grade diesel oil durability reduces, while price is higher, and use cost is significantly increased.Additionally, due to operation
Personnel can not make accurate response to temperature change in time, and high low-grade diesel is often mixed, and cause diesel oil atomization incomplete, lead
Cause that engine combustion is insufficient, oil consumption is big, many defects such as be short of power.Another measure is exactly to toast fuel tank with blowtorch,
Engine oil pan and air intake duct, it is not only time-consuming and laborious, it easily carbonizes engine oil pan machine oil, reduces machine oil and use the time, and
There are great security risks.The solution being currently known focuses mostly in terms of engine cold-starting, these methods are removed
Itself there are a various deficiencies, also has ignored when using label is higher or the diesel oil of unstable label, in the process of running diesel oil
Also it is easy condensation, the failures such as flame-out is caused and accident occurs, it is greatly inconvenient to bring to people's lives.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide one kind to guarantee bavin at low ambient temperatures
The engine low temperature heating system that oil turbine operates normally solves the problems, such as the diesel oil analysis wax under cryogenic conditions, it is viscous to improve diesel oil
Degree and mobility, keep its burning more abundant, guarantee the smooth starting and normal operation of engine, use to reach and reduce diesel oil
Label reduces operating cost, protects the good result of environment.
In order to achieve the above objectives, technical scheme is as follows:
A kind of diesel engine low-temperature heating system, including engine, fuel heater, solenoid valve, coolant liquid leakage report
Alert device, dividing control valve block, temperature sense direction valve, oil tank heating apparatus and pipeline heating device, the pipeline heating device
It is connect with the oil pump of the engine；
The fuel heater is equipped with the first shut-off valve and the second shut-off valve, and the engine water outlet is divided into two-way,
It is connect all the way with first shut-off valve, another way is connect by solenoid valve with the first water inlet of the dividing control valve block；
The second fast water inlet of the dividing control valve is connect by pipeline with second shut-off valve；The fuel heater also passes through
Pipeline is connected with heater fuel tank；
Further include a fuel tank, oil tank heating apparatus is equipped in the fuel tank, the oil tank heating apparatus is equipped with temperature sense
Direction valve, the control terminal of the temperature sense direction valve are connected with temperature sensor, and the temperature sensor is set in fuel tank；
First water outlet of the dividing control valve passes through the temperature of coolant liquid leakage alarm and the oil tank heating apparatus
Degree induction direction valve connection；
The oil outlet of the fuel tank is connect with the oil pump of the engine.
In a preferred embodiment of the invention, the oil outlet of the fuel tank pass sequentially through oil water separator, filter,
Pipeline heating device is connect with the oil pump of the engine.
In a preferred embodiment of the invention, the pipeline heating device is bilayer sleeve, the bilayer sleeve
Inner tube be connected with diesel oil, the outer tube of the bilayer sleeve is connected with coolant liquid.
In a preferred embodiment of the invention, the dividing control valve is additionally provided with the second water outlet, third water outlet
With the 4th water outlet, the second outlet is equipped with third shut-off valve, and third outlet is equipped with the 4th shut-off valve, and the 4th outlet is equipped with the
Five shut-off valves, the third shut-off valve are used to control the battery heating and thermal insulation of engine, and the 4th shut-off valve is for controlling hair
The machine oil heating of motivation is kept the temperature, and the 5th shut-off valve is used to control the heating and thermal insulation of driver's cabin warm wind and hydraulic oil etc..
In a preferred embodiment of the invention, the dividing control valve further includes a water return outlet, and the water return outlet is logical
The second shut-off valve exit threeway is crossed to connect with the fuel heater.
In a preferred embodiment of the invention, the oil return opening of the engine is connect with the fuel tank.
In a preferred embodiment of the invention, the solenoid valve is two on-off valves, is opened for engine
Coolant liquid heats pipeline switching before dynamic and after starting.
It in a preferred embodiment of the invention, further include a control switch, the control switch passes through circuit and combustion
Oil heater connection, is arranged the heating temperature of fuel heater, controls the start and stop and runing time of fuel heater.
Through the above technical solutions, the beneficial effects of the present invention are:
Diesel engine low-temperature heating system of the present invention is using heat cycles coolant liquid to engine fuel pipeline
It is quickly heated, preheating time is short, and heating effect is good, can effectively keep diesel fuel temperature, puts out caused by preventing diesel oil from condensing
The failures such as fire, while there is automatic temperature control function, diesel fuel temperature can be maintained in a certain range, securely and reliably, user
Just.
Diesel engine low-temperature heating system of the present invention sets heating priority, heats compared to common series connection,
The fuel heater of smaller power need to be only used, energy consumption is greatly reduced.
Diesel engine low-temperature heating system of the present invention can be such that diesel engine is also able to use at low temperature
Low-grade diesel, preventing high and low label diesel oil, there is a phenomenon where string oil, Energy Saving costs, and reduce exhaust emissions amount, favorably
In environmental protection.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of working principle diagram of diesel engine low-temperature heating system proposed by the present invention；
Number and corresponding component title represented by letter in figure:
1. fuel heater；2. heater fuel tank；3. solenoid valve；4. coolant liquid leakage alarm；5. dividing control valve block；
6. temperature sense direction valve；7. oil tank heating apparatus；8. pipeline heating device；9. the first shut-off valve；10. the second shut-off valve；11.
Third shut-off valve；12. the 4th shut-off valve；13. the 5th shut-off valve.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to attached drawing 1, a kind of diesel engine low-temperature heating system proposed by the present invention, including engine, fuel Heating
Device 1, solenoid valve 3, coolant liquid leakage alarm 4, dividing control valve block 5, temperature sense direction valve 6, oil tank heating apparatus 7 and pipe
Road heating device 8, the pipeline heating device 8 are connect with the oil pump of the engine；
The fuel heater 1 is equipped with the first shut-off valve 9 and the second shut-off valve 10, the engine water outlet are divided into two
Road is connect with first shut-off valve 9 all the way, and another way passes through the first water inlet of solenoid valve 3 and the dividing control valve fast 5
Connection；Second water inlet of the dividing control valve fast 5 is connect by pipeline with second shut-off valve 10；The fuel Heating
Device 1 is also connected with heater fuel tank 2 by pipeline.
The solenoid valve 3 is two on-off valves, for coolant liquid heating pipeline to be cut before engine start and after starting
It changes.The dividing control valve block 5 is a multichannel direction valve block, and effect is setting heating priority, and control coolant liquid flows to,
Guarantee that the pre- heat demand of each component of engine is successive.
Further include a fuel tank, oil tank heating apparatus 7 is equipped in the fuel tank, the oil tank heating apparatus 7 is equipped with temperature sense
Direction valve 6 is answered, the control terminal of the temperature sense direction valve 6 is connected with temperature sensor, and the temperature sensor is set to fuel tank
It is interior；
For the normal operation under guarantee fuel heater in winter low temperature environment, the heater fuel tank 2 uses electric heating
Small reservoir.
The temperature sense direction valve 6 is the temperature sense direction valve an of 3 position-5 way, and temperature sensor adds with fuel tank
Thermal 7 is inserted into fuel tank diesel oil liquid level hereinafter, controlling the coolant liquid temperature in entire heating system pipe by setting opening temperature
Degree, thus prevent diesel oil from excessively heating, protection oil circuit safety.
First water outlet of the dividing control valve 5 passes through coolant liquid leakage alarm 4 and the oil tank heating apparatus 7
Temperature controls direction valve 6 and connects；
The coolant liquid leakage alarm 4 is a pressure switch, is linked with solenoid valve 3, and effect is monitoring cooling
Liquid heats the working condition of pipeline, such as finds that coolant liquid leakage may turn on solenoid valve, and cutting coolant liquid heats pipeline, and with hair
Motivation ECU is online, monitors engine coolant temperature, and duplicate protection prevents engine overheat.
The oil outlet of the fuel tank and the oil pump of engine connect.
Further, in order to guarantee that the diesel quality into oil pump, the oil outlet of the fuel tank pass sequentially through water-oil separating
Device, filter, pipeline heating device 8 are connect with the oil pump of the engine.
Further, in order to heat entire engine battery, engine motor oil, driver's cabin warm wind and hydraulic in low temperature
Oil, the dividing control valve are additionally provided with the second water outlet, third water outlet and the 4th water outlet, and second water outlet is equipped with the
Three shut-off valves 11, third water outlet are equipped with the 4th shut-off valve 12, and the 4th water outlet is equipped with the 5th shut-off valve 13, the third cut-off
Valve 11 is used to control the heating and thermal insulation of engine battery, and the heating that the 4th shut-off valve 12 is used to control engine motor oil is protected
Temperature, the 5th shut-off valve 13 are used to control the heating and thermal insulation of driver's cabin warm wind and hydraulic oil.
Further, the dividing control valve 5 further includes a water return outlet, and the water return outlet is exported by the second shut-off valve 10
Place's threeway is connect with the fuel heater.
Further, the pipeline heating device 8 is bilayer sleeve, and the inner tube of the bilayer sleeve is connected with diesel oil, institute
The outer tube for stating bilayer sleeve is connected with coolant liquid.Pipeline heating device 8 uses bilayer sleeve, ensure that filter to engine fuel
Diesel oil at low-temperature is non-condensing in pump conduit.
Further, the solenoid valve 3 is two on-off valves, for coolant liquid before engine start and after starting
Heat pipeline switching.
Further, entire heating system is controlled for convenience, further includes a control switch (not marking in figure), the control
System switch is connect by circuit with fuel heater, and the heating temperature of fuel heater is arranged, controls the start and stop of fuel heater
And runing time.
The course of work of the invention is as follows: before engine start, the first shut-off valve is opened, and fuel heater is by carrying water
Coolant liquid in engine cylinder body is sucked and is heated by pump, and the coolant liquid two-way parallel output by heat exchange passes through pipe all the way
Road returns to engine prewarming cylinder body, and another way enters dividing control valve block by the second shut-off valve, passes through coolant liquid leakage alarm
Device simultaneously enters oil tank heating apparatus after temperature sense direction valve, and the diesel oil in heating fuel tank passes sequentially through grease after the heating
Separator, filter and the engine fuel injection pump of heating device arrival by the road；It will select to need to add according to field condition simultaneously
The component of heat opens tri- road shut-off valve of dividing control valve block Shang, the warm operation before being finally completed engine start, bavin in due course
Oil is melted completely, and engine smoothly starts；After engine start, the first shut-off valve and the second shut-off valve are simultaneously closed off, and are passed through
The water pump of engine itself recycles, and the coolant liquid in engine body enters dividing control valve block through solenoid valve, then passes through it
On coolant liquid alarm and enter oil tank heating apparatus through temperature sense direction valve, thus continually by the heat of engine
It is transmitted to fuel tank, the diesel oil after heating passes sequentially through oil water separator, filter and heating device reaches engine combustion by the road
Oil pump ensures the normal operation of engine.In addition it will also determine that its excess-three road is ended on dividing control valve block according to actual needs
The open state of valve.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of diesel engine low-temperature heating system, it is characterised in that: including engine, fuel heater, solenoid valve, cooling
Liquid leakage alarm, dividing control valve block, temperature sense direction valve, oil tank heating apparatus and pipeline heating device, the pipeline
Heating device is connect with the oil pump of the engine；
The fuel heater is equipped with the first shut-off valve and the second shut-off valve, and the engine water outlet is divided into two-way, all the way
It is connect with first shut-off valve, another way is connect by solenoid valve with the first water inlet of the dividing control valve block；It is described
Second water inlet of dividing control valve block is connect by pipeline with second shut-off valve；The fuel heater also passes through pipe
Road is connected with heater fuel tank；
Further include a fuel tank, oil tank heating apparatus is equipped in the fuel tank, the oil tank heating apparatus is equipped with temperature sense direction
Valve, the control terminal of the temperature sense direction valve are connected with temperature sensor, and the temperature sensor is set in fuel tank；
First water outlet of the dividing control valve passes through the temperature sense of coolant liquid leakage alarm and the oil tank heating apparatus
Direction valve is answered to connect；
The oil outlet of the fuel tank is connect with the oil pump of the engine.
2. a kind of diesel engine low-temperature heating system according to claim 1, it is characterised in that: the fuel tank it is fuel-displaced
Mouth passes sequentially through oil water separator, filter, pipeline heating device and connect with the oil pump of the engine.
3. a kind of diesel engine low-temperature heating system according to claim 1, it is characterised in that: the pipeline heating
Device is bilayer sleeve, and the inner tube of the bilayer sleeve is connected with diesel oil, and the outer tube of the bilayer sleeve is connected with coolant liquid.
4. a kind of diesel engine low-temperature heating system according to claim 1, it is characterised in that: the dividing control valve
It is additionally provided with the second water outlet, third water outlet and the 4th water outlet, second water outlet is equipped with third shut-off valve, third water outlet
Mouth is equipped with the 4th shut-off valve, and the 4th water outlet is equipped with the 5th shut-off valve, and the third shut-off valve is for controlling engine battery
Heating and thermal insulation, the 4th shut-off valve are used to control the heating and thermal insulation of engine motor oil, and the 5th shut-off valve is driven for controlling
Sail the heating and thermal insulation of room warm wind and hydraulic oil.
5. a kind of diesel engine low-temperature heating system according to claim 1, it is characterised in that: the dividing control valve
It further include a water return outlet, the water return outlet is connect by the second shut-off valve exit threeway with the fuel heater.
6. a kind of diesel engine low-temperature heating system according to claim 1, it is characterised in that: the engine returns
Hydraulic fluid port is connect with the fuel tank.
7. a kind of diesel engine low-temperature heating system according to claim 1, it is characterised in that: the solenoid valve is
One two on-off valve, for coolant liquid heating pipeline to switch before engine start and after starting.
8. a kind of diesel engine low-temperature heating system according to claim 1, it is characterised in that: further include that a control is opened
It closes, the control switch is connect by circuit with fuel heater, and the heating temperature of fuel heater is arranged, and controls fuel Heating
The start and stop and runing time of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466158.7A CN106401834B (en) | 2016-06-23 | 2016-06-23 | A kind of diesel engine low-temperature heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466158.7A CN106401834B (en) | 2016-06-23 | 2016-06-23 | A kind of diesel engine low-temperature heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106401834A CN106401834A (en) | 2017-02-15 |
| CN106401834B true CN106401834B (en) | 2019-01-01 |
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ID=58006135
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610466158.7A Expired - Fee Related CN106401834B (en) | 2016-06-23 | 2016-06-23 | A kind of diesel engine low-temperature heating system |
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| Country | Link |
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| CN (1) | CN106401834B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339186A (en) * | 2017-08-11 | 2017-11-10 | 徐州东力锻压机械有限公司 | A kind of engineering machinery low-temperature preheating system |
| CN107762684A (en) * | 2017-11-21 | 2018-03-06 | 慈溪市三新汽车零部件有限公司 | A kind of diesel powered system of extremely cold area |
| CN109435637A (en) * | 2018-12-12 | 2019-03-08 | 中国重汽集团济南动力有限公司 | A kind of heavy-duty car heating system |
| CN111065174B (en) * | 2019-12-31 | 2021-05-11 | 东风汽车集团有限公司 | Dual-mass flywheel heating device and transmission system with same |
| CN112012864A (en) * | 2020-09-01 | 2020-12-01 | 中车株洲电力机车有限公司 | Preheating system of multi-working-mode locomotive and control method thereof |
| CN113006998B (en) * | 2021-03-18 | 2022-09-30 | 四川百纳科技有限责任公司 | Low-temperature starting system of double-section crawler-type all-terrain armored car |
| CN113370754B (en) * | 2021-06-22 | 2023-05-12 | 一汽解放汽车有限公司 | Heating system and car |
| CN113482828A (en) * | 2021-07-27 | 2021-10-08 | 潍柴动力股份有限公司 | Vehicle and method for preheating hydraulic oil |
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| CN201953521U (en) * | 2010-12-28 | 2011-08-31 | 中国第一汽车集团公司 | Electrical cooling liquid hybrid fuel heating system |
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| CN103939254A (en) * | 2013-01-18 | 2014-07-23 | 中国石油大学(华东) | Diesel engine fuel oil electricity, gas and water combined heating system |
| CN105402059A (en) * | 2015-12-08 | 2016-03-16 | 内蒙古包钢钢联股份有限公司 | Diesel-type automobile fuel oil preheating device |
| CN205823528U (en) * | 2016-06-23 | 2016-12-21 | 席瑾 | A kind of Diesel engine low-temperature heating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8091359B2 (en) * | 2010-06-03 | 2012-01-10 | Ford Global Technologies, Llc | Exhaust heat recovery for engine heating and exhaust cooling |
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2016
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| CN201953521U (en) * | 2010-12-28 | 2011-08-31 | 中国第一汽车集团公司 | Electrical cooling liquid hybrid fuel heating system |
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| CN106401834A (en) | 2017-02-15 |
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