CN107905882A - A kind of engine adverse currentcooling system - Google Patents

A kind of engine adverse currentcooling system Download PDF

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Publication number
CN107905882A
CN107905882A CN201711216130.9A CN201711216130A CN107905882A CN 107905882 A CN107905882 A CN 107905882A CN 201711216130 A CN201711216130 A CN 201711216130A CN 107905882 A CN107905882 A CN 107905882A
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CN
China
Prior art keywords
water
cooler
communicate
cylinder body
cavity
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Granted
Application number
CN201711216130.9A
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Chinese (zh)
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CN107905882B (en
Inventor
周祥军
刘喆
高林
周杨
陈功军
李智
高磊
王东
欧阳凤霞
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Dongfeng Commercial Vehicle Co Ltd
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Dongfeng Commercial Vehicle Co Ltd
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Publication of CN107905882A publication Critical patent/CN107905882A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00Pumping cooling-air or liquid coolants
    • F01P5/10Pumping liquid coolant; Arrangements of coolant pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • F01P3/02Arrangements for cooling cylinders or cylinder heads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • F01P3/20Cooling circuits not specific to a single part of engine or machine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23Layout, e.g. schematics
    • F02M26/28Layout, e.g. schematics with liquid-cooled heat exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • F01P3/02Arrangements for cooling cylinders or cylinder heads
    • F01P2003/028Cooling cylinders and cylinder heads in series
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00Applications
    • F01P2050/22Motor-cars
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00Cooling circuits using auxiliaries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

A kind of engine adverse currentcooling system, including cylinder body water jacket, cylinder cover water jacket, water pump, radiator, cylinder body upper water cavity, exhaust side cloth water chamber, air inlet side backwater cavity, machine cooler, thermosistor, the water outlet of water pump passes sequentially through machine cooler, cylinder body upper water cavity, cylinder cover water jacket, exhaust side cloth water chamber, cylinder body water jacket, air inlet side backwater cavity, radiator, thermosistor and is communicated with the water inlet of water pump.The design can not only meet the different cooling requirement of cooling system each several part, and solve the problems, such as the temperature fluctuation of cooling water.

Description

A kind of engine adverse currentcooling system
Technical field
The invention belongs to technical field of automobile engine, and in particular to a kind of engine adverse currentcooling system, is suitable for Meet the different cooling requirement of cooling system each several part, solve the problems, such as the temperature fluctuation of cooling water, reduce the power consumption of water pump.
Background technology
The cooling scheme of traditional engine-cooling system generally use from the bottom to top, i.e. coolant using water pump-cylinder body- The flow path of cylinder cap-radiator-water pump, and thermosistor is arranged in engine cylinder cover water outlet more, i.e., is gone out using thermosistor Mouth arrangement.On the one hand, since coolant preferentially cools down cylinder block, to the cooling energy of the ridge area of cylinder head Power is weaker, and cooling effectiveness is relatively low, it is difficult to after ensureing that current distributing uniformity, engine detonation pressure improve, the security risk of cylinder cap It is larger.On the other hand, thermosistor outlet arrangement easily causes the temperature fluctuation of cooling water.
Chinese patent:The patent of invention that application publication number is CN101655027A, data of publication of application is on 2 24th, 2010 A kind of engine-cooling system and cooling means are disclosed, cooling system includes water pump, bivalve thermosistor, oil cooler, cylinder Body water jacket, cylinder cover water jacket, radiator of water tank and cooler for recycled exhaust gas, the waterway circulating of cooling system is water pump-oil cooler-cylinder Lid-cylinder body-cooler for recycled exhaust gas.Although the system can improve volumetric efficiency, improve output power, cooling water slave oil cooling But device can not be adjusted effectively, therefore cannot meet each to the whole cooling procedure of cooler for recycled exhaust gas by the cooling flow of each component The different cooling requirement of component.
The content of the invention
The purpose of the present invention is overcome the problem of can not meeting different cooling requirements existing in the prior art, there is provided a kind of It disclosure satisfy that different cooling requirements and easy to the engine adverse currentcooling system for fetching water of vehicle.
In order to achieve the above object, technical scheme is as follows:
A kind of engine adverse currentcooling system, including cylinder body water jacket, cylinder cover water jacket, water pump, radiator, the water outlet of the water pump Mouth passes sequentially through cylinder cover water jacket, cylinder body water jacket is communicated with the water inlet of radiator, the water outlet of radiator and the water inlet of water pump Communicate;
The cooling system further includes cylinder body upper water cavity, exhaust side cloth water chamber, air inlet side backwater cavity, the water outlet of the water pump according to It is secondary to be communicated by cylinder body upper water cavity, cylinder cover water jacket, exhaust side cloth water chamber, cylinder body water jacket, air inlet side backwater cavity with radiator.
The cooling system further includes cooler for recycled exhaust gas, and the water inlet of the cooler for recycled exhaust gas is communicated with exhaust side cloth water chamber, The water outlet of cooler for recycled exhaust gas is communicated with radiator.
The cooling system further includes EGR valve, booster and actuator, the water inlet of the EGR valve, booster and actuator Mouth is communicated with exhaust side cloth water chamber, and the water outlet of booster and actuator is communicated by EGR valve with cooler for recycled exhaust gas.
The cooling system further includes machine cooler, thermosistor, water inlet and radiator, the air inlet side backwater of the thermosistor Chamber communicates, and the water outlet of thermosistor passes sequentially through water pump, machine cooler is communicated with cylinder body upper water cavity.
The water pump, machine cooler, thermosistor are an integral structure.
The cylinder cover water jacket includes cylinder cap upper water sleeve, cylinder cap lower water jacket, on the water inlet and cylinder body of the cylinder cap upper water sleeve Water cavity communicates, and the water outlet of cylinder cap upper water sleeve is communicated by cylinder cap lower water jacket with exhaust side cloth water chamber.
The cooling system further includes air compressor machine, warm-air drier, SCR cooling devices, gearbox cooler, the air compressor machine Entery and delivery port is communicated with cylinder body upper water cavity, air inlet side backwater cavity respectively, the entery and delivery port of the warm-air drier respectively with exhaust side Cloth water chamber, water pump communicate, and the SCR cooling devices, gearbox cooler are arranged in parallel, and SCR cooling devices, gearbox cool down The water inlet of device is communicated with cylinder body upper water cavity, SCR cooling devices, gearbox cooler water outlet with exhaust side cloth water chamber Communicate.
The water pump is electromagnetic clutch water pump, and the thermosistor is automatically controlled thermosistor.
Compared with prior art, beneficial effects of the present invention are:
1st, a kind of engine adverse currentcooling system of the present invention includes cylinder body upper water cavity, exhaust side cloth water chamber, air inlet side backwater cavity, And the water outlet of water pump passes sequentially through cylinder body upper water cavity, cylinder cover water jacket, exhaust side cloth water chamber, cylinder body water jacket, air inlet side backwater cavity Communicated with radiator, which not only realizes the preferential cooling of the high exhaust side of thermic load, but also is conducive to adjust cooling system The cooling flow of system each several part, meets different cooling requirements, while fetches water easy to vehicle.Therefore, the present invention realizes The preferential cooling of the high exhaust side of thermic load, and disclosure satisfy that different cooling requirements, fetch water easy to vehicle.
2nd, in a kind of engine adverse currentcooling system of the present invention entery and delivery port of cooler for recycled exhaust gas respectively with exhaust side cloth Water cavity, radiator communicate, i.e., cooler for recycled exhaust gas is arranged in parallel with cylinder body water jacket, enter exhaust by the cooling water of cylinder cover water jacket outflow After the cloth water chamber of side, a part flows into cylinder body water jacket, and another part then flows into cooler for recycled exhaust gas, meanwhile, air compressor machine, warm-air drier etc. are attached Part is using being arranged in parallel, this design reduces the pressure loss of system, so as to reduce the power consumption of water pump.Therefore, it is of the invention Reduce the power consumption of water pump.
3rd, in a kind of engine adverse currentcooling system of the present invention thermosistor water inlet and radiator, air inlet side backwater cavity Communicate, the water outlet of thermosistor passes sequentially through water pump, machine cooler is communicated with cylinder body upper water cavity, and water pump, machine cooler, thermosistor are adopted With integral structure, on the one hand, thermosistor is arranged on pump entrance i.e. at engine intake by the design, can effectively solve to cool down The temperature fluctuation problem of water, on the other hand, water pump, machine cooler, the Integration Design of thermosistor save engine component Arrangement space.Therefore, the present invention not only solves the temperature fluctuation problem of cooling water, and saves arrangement space.
4th, water pump uses electromagnetic clutch water pump in a kind of engine adverse currentcooling system of the present invention, and thermosistor is using electricity Thermosistor is controlled, that is, uses the thermal management technology using electromagnetic clutch water pump as core, which causes the more intelligent essence of cooling system Standard, effectively increases the service efficiency and engine entirety water temperature level of water pump, reduces the power consumption of overall annex, improve heat Efficiency, is finally reached the effect for reducing fuel consumption.Therefore, the present invention advantageously reduces fuel consumption.
Brief description of the drawings
Fig. 1 is the structure principle chart of the present invention.
In figure:Cylinder body water jacket 1, cylinder cover water jacket 2, cylinder cap upper water sleeve 21, cylinder cap lower water jacket 22, water pump 3, radiator 4, cylinder body Upper water cavity 5, exhaust side cloth water chamber 6, air inlet side backwater cavity 7, cooler for recycled exhaust gas 8, EGR valve 9, booster and actuator 10, machine cooler 11st, thermosistor 12, air compressor machine 13, warm-air drier 14, SCR cooling devices 15, gearbox cooler 16;
Arrow direction is the flow direction of cooling water.
Embodiment
The present invention is described in further detail with embodiment for explanation below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of engine adverse currentcooling system, including cylinder body water jacket 1, cylinder cover water jacket 2, water pump 3, radiator 4, the water outlet of the water pump 3 passes sequentially through cylinder cover water jacket 2, cylinder body water jacket 1 is communicated with the water inlet of radiator 4, radiator 4 Water outlet is communicated with the water inlet of water pump 3;
The cooling system further includes cylinder body upper water cavity 5, exhaust side cloth water chamber 6, air inlet side backwater cavity 7, the water outlet of the water pump 3 Mouth passes sequentially through cylinder body upper water cavity 5, cylinder cover water jacket 2, exhaust side cloth water chamber 6, cylinder body water jacket 1, air inlet side backwater cavity 7 and radiator 4 communicate.
The cooling system further includes cooler for recycled exhaust gas 8, water inlet and 6 phase of exhaust side cloth water chamber of the cooler for recycled exhaust gas 8 Logical, the water outlet of cooler for recycled exhaust gas 8 is communicated with radiator 4.
The cooling system further includes EGR valve 9, booster and actuator 10, the EGR valve 9, booster and actuator 10 Water inlet communicated with exhaust side cloth water chamber 6, the water outlet of booster and actuator 10 passes through EGR valve 8 and cooler for recycled exhaust gas 5 Communicate.
The cooling system further includes machine cooler 11, thermosistor 12, the water inlet of the thermosistor 12 with radiator 4, into Gas side backwater cavity 7 communicates, and the water outlet of thermosistor 12 passes sequentially through water pump 3, machine cooler 11 is communicated with cylinder body upper water cavity 5.
The water pump 3, machine cooler 11, thermosistor 12 are an integral structure.
The cylinder cover water jacket 2 include cylinder cap upper water sleeve 21, cylinder cap lower water jacket 22, the water inlet of the cylinder cap upper water sleeve 21 with Cylinder body upper water cavity 5 communicates, and the water outlet of cylinder cap upper water sleeve 21 is communicated by cylinder cap lower water jacket 22 with exhaust side cloth water chamber 6.
The cooling system further includes air compressor machine 13, warm-air drier 14, SCR cooling devices 15, gearbox cooler 16, described The entery and delivery port of air compressor machine 13 is communicated with cylinder body upper water cavity 5, air inlet side backwater cavity 7 respectively, the water-in and water-out of the warm-air drier 14 Mouth is communicated with exhaust side cloth water chamber 6, water pump 3 respectively, and the SCR cooling devices 15, gearbox cooler 16 are arranged in parallel, and SCR cooling devices 15, the water inlet of gearbox cooler 16 are communicated with cylinder body upper water cavity 5, SCR cooling devices 15, gearbox The water outlet of cooler 16 is communicated with exhaust side cloth water chamber 6.
The water pump 3 is electromagnetic clutch water pump, and the thermosistor 12 is automatically controlled thermosistor.
The principle of the present invention is described as follows:
Warm-air drier 20:Warm-air drier 20 is connected in parallel between exhaust side cloth water chamber 13, water pump 3 by the present invention, is effectively utilized cooling water Heat in-car air is heated.
Embodiment 1:
Referring to Fig. 1, a kind of engine adverse currentcooling system, including cylinder body water jacket 1, cylinder cover water jacket 2, water pump 3, radiator 4, cylinder Body upper water cavity 5, exhaust side cloth water chamber 6, air inlet side backwater cavity 7, cooler for recycled exhaust gas 8, EGR valve 9, booster and actuator 10, machine are cold Device 11, thermosistor 12, air compressor machine 13, warm-air drier 14, SCR cooling devices 15, gearbox cooler 16, the cylinder cover water jacket 2 wrap Cylinder cap upper water sleeve 21, cylinder cap lower water jacket 22 are included, the water outlet of the water pump 3 passes sequentially through machine cooler 11, cylinder body upper water cavity 5, cylinder Cover the water inlet of water jacket 21, cylinder cap lower water jacket 22, exhaust side cloth water chamber 6, cylinder body water jacket 1, air inlet side backwater cavity 7 and radiator 4 Mouth communicates, and the water outlet of radiator 4 is communicated by thermosistor 12 with the water inlet of water pump 3, the water inlet of the cooler for recycled exhaust gas 8 Communicated with exhaust side cloth water chamber 6, the water outlet of cooler for recycled exhaust gas 8 is communicated with radiator 4, EGR valve 9, booster and the actuator 10 water inlet is communicated with exhaust side cloth water chamber 6, water outlet EGR valve 8 and 5 phase of cooler for recycled exhaust gas of booster and actuator 10 Logical, the entery and delivery port of the air compressor machine 13 is communicated with cylinder body upper water cavity 5, air inlet side backwater cavity 7 respectively, the warm-air drier 14 Entery and delivery port is communicated with exhaust side cloth water chamber 6, water pump 3 respectively, and the SCR cooling devices 15,16 parallel connection of gearbox cooler are set Put, and the water inlet of SCR cooling devices 15, gearbox cooler 16 is communicated with cylinder body upper water cavity 5, SCR cooling devices 15, become The water outlet of fast case cooler 16 is communicated with exhaust side cloth water chamber 6, and the water pump 3 is electromagnetic clutch water pump, the temperature adjustment Device 12 is automatically controlled thermosistor, and water pump 3, machine cooler 11, thermosistor 12 are an integral structure.

Claims (8)

1. a kind of engine adverse currentcooling system, including cylinder body water jacket(1), cylinder cover water jacket(2), water pump(3), radiator(4), The water pump(3)Water outlet pass sequentially through cylinder cover water jacket(2), cylinder body water jacket(1)With radiator(4)Water inlet communicate, dissipate Hot device(4)Water outlet and water pump(3)Water inlet communicate, it is characterised in that:
The cooling system further includes cylinder body upper water cavity(5), exhaust side cloth water chamber(6), air inlet side backwater cavity(7), the water pump (3)Water outlet pass sequentially through cylinder body upper water cavity(5), cylinder cover water jacket(2), exhaust side cloth water chamber(6), cylinder body water jacket(1), air inlet Side backwater cavity(7)With radiator(4)Communicate.
A kind of 2. engine-cooling system according to claim 1, it is characterised in that:The cooling system further includes EGR Cooler(8), the cooler for recycled exhaust gas(8)Water inlet and exhaust side cloth water chamber(6)Communicate, cooler for recycled exhaust gas(8)Water outlet With radiator(4)Communicate.
A kind of 3. engine adverse currentcooling system according to claim 2, it is characterised in that:The cooling system also wraps Include EGR valve(9), booster and actuator(10), the EGR valve(9), booster and actuator(10)Water inlet with exhaust Side cloth water chamber(6)Communicate, booster and actuator(10)Water outlet pass through EGR valve(8)With cooler for recycled exhaust gas(5)Communicate.
A kind of 4. engine adverse currentcooling system according to any one of claim 1-3, it is characterised in that:It is described Cooling system further includes machine cooler(11), thermosistor(12), the thermosistor(12)Water inlet and radiator(4), air inlet side Backwater cavity(7)Communicate, thermosistor(12)Water outlet pass sequentially through water pump(3), machine cooler(11)With cylinder body upper water cavity(5)Phase It is logical.
A kind of 5. engine adverse currentcooling system according to claim 4, it is characterised in that:The water pump(3), machine it is cold Device(11), thermosistor(12)It is an integral structure.
A kind of 6. engine adverse currentcooling system according to any one of claim 1-3, it is characterised in that:It is described Cylinder cover water jacket(2)Including cylinder cap upper water sleeve(21), cylinder cap lower water jacket(22), the cylinder cap upper water sleeve(21)Water inlet and cylinder body Upper water cavity(5)Communicate, cylinder cap upper water sleeve(21)Water outlet pass through cylinder cap lower water jacket(22)With exhaust side cloth water chamber(6)Communicate.
A kind of 7. engine adverse currentcooling system according to any one of claim 1-3, it is characterised in that:It is described Cooling system further includes air compressor machine(13), warm-air drier(14), SCR cooling devices(15), gearbox cooler(16), the pneumatics Machine(13)Entery and delivery port respectively with cylinder body upper water cavity(5), air inlet side backwater cavity(7)Communicate, the warm-air drier(14)Into, Water outlet respectively with exhaust side cloth water chamber(6), water pump(3)Communicate, the SCR cooling devices(15), gearbox cooler(16) It is arranged in parallel, and SCR cooling devices(15), gearbox cooler(16)Water inlet with cylinder body upper water cavity(5)Communicate, SCR Cooling device(15), gearbox cooler(16)Water outlet with exhaust side cloth water chamber(6)Communicate.
A kind of 8. engine adverse currentcooling system according to any one of claim 1-3, it is characterised in that:It is described Water pump(3)For electromagnetic clutch water pump, the thermosistor(12)For automatically controlled thermosistor.
CN201711216130.9A 2017-11-28 2017-11-28 Counter-flow cooling system of engine Active CN107905882B (en)

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CN107905882B CN107905882B (en) 2024-01-26

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Cited By (5)

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CN109441656A (en) * 2018-12-12 2019-03-08 中国北方发动机研究所(天津) A kind of cylinder head that multiloop is cooling
CN109915249A (en) * 2019-03-27 2019-06-21 东风汽车集团有限公司 Car engine cooling system and its control method
WO2020133047A1 (en) * 2018-12-27 2020-07-02 潍柴动力股份有限公司 Engine and engine cooling structure thereof
CN111878210A (en) * 2020-07-23 2020-11-03 广西玉柴机器股份有限公司 Efficient hybrid engine cooling system and control method thereof
CN114263523A (en) * 2020-09-16 2022-04-01 比亚迪股份有限公司 Engine water jacket, cooling system and vehicle

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Publication number Priority date Publication date Assignee Title
CN109441656A (en) * 2018-12-12 2019-03-08 中国北方发动机研究所(天津) A kind of cylinder head that multiloop is cooling
WO2020133047A1 (en) * 2018-12-27 2020-07-02 潍柴动力股份有限公司 Engine and engine cooling structure thereof
CN109915249A (en) * 2019-03-27 2019-06-21 东风汽车集团有限公司 Car engine cooling system and its control method
CN111878210A (en) * 2020-07-23 2020-11-03 广西玉柴机器股份有限公司 Efficient hybrid engine cooling system and control method thereof
WO2022016766A1 (en) * 2020-07-23 2022-01-27 广西玉柴机器股份有限公司 Efficient hybrid engine cooling system and control method thereof
CN111878210B (en) * 2020-07-23 2023-10-10 广西玉柴机器股份有限公司 Efficient hybrid engine cooling system and control method thereof
CN114263523A (en) * 2020-09-16 2022-04-01 比亚迪股份有限公司 Engine water jacket, cooling system and vehicle
CN114263523B (en) * 2020-09-16 2023-10-13 比亚迪股份有限公司 Engine water jacket, cooling system and vehicle

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