CN108547703A - A kind of car engine cooling water jacket structure of integrated exhaust manifold - Google Patents
A kind of car engine cooling water jacket structure of integrated exhaust manifold Download PDFInfo
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- CN108547703A CN108547703A CN201810246180.XA CN201810246180A CN108547703A CN 108547703 A CN108547703 A CN 108547703A CN 201810246180 A CN201810246180 A CN 201810246180A CN 108547703 A CN108547703 A CN 108547703A
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- water jacket
- cylinder
- exhaust manifold
- combustion chamber
- engine
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
- F01N3/043—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids without contact between liquid and exhaust gases
- F01N3/046—Exhaust manifolds with cooling jacket
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Exhaust Silencers (AREA)
Abstract
The present invention relates to a kind of car engine cooling water jacket structures of integrated exhaust manifold, including cylinder body water jacket, cylinder cover water jacket, head gasket, it is characterized in that：The cylinder body water jacket ontology that cylinder body water jacket includes the sluice for being located at engine charge side, it is outer to be coated on cylinder and communicated with sluice；Cylinder cover water jacket includes being coated on outside combustion chamber and the combustion chamber water jacket communicated with sluice, the exhaust manifold water jacket for being coated on outside exhaust manifold and being communicated with combustion chamber water jacket.It can carry out good cooling to cylinder head and cylinder block, and the cooling water allocation proportion that can adjust cylinder body water jacket and cylinder cover water jacket makes the cooling effect of cylinder head and cylinder block more preferable；It can ensure that block temperature is more uniform；The intensity of cooling of combustion chamber and exhaust duct region can be adjusted so that the temperature in combustion chamber and exhaust duct region is consistent；The cooling capacity that exhaust manifold region can be improved, to improve the reliability and economy of engine.
Description
Technical field
The present invention relates to automobile engines, and in particular to a kind of car engine cooling water jacket knot of integrated exhaust manifold
Structure.
Background technology
The exhaust manifold of automobile engine is integrated in this arrangement in cylinder head, can be utilized in cold start-up
The heat of exhaust manifold heats for coolant liquid, and coolant liquid is allowed to be rapidly achieved operating temperature, reduces warm-up period；Simultaneously as knot
Structure is compact, integrates smaller of the exhaust duct internal surface area possessed by exhaust manifold than conventional outer exhaust manifold, therefore can shorten
The light-off time of three-way catalyst when cold start-up.Under high load capacity operating mode, cooling liquid energy is the exhaust gas cooling of discharge, reduces mixing
Object fuel-rich reduces engine consumption to be conducive to optimization discharge.But the exhaust manifold of high temperature is built in cylinder cap
It is interior, it has been equivalent to more than cooling system a heat source, has made to have born high heat load originally and the cylinder cover of mechanical load is more severe.
Therefore, it is necessary to the cooling jackets of reasonable design to ensure that the Temperature Distribution in entire body is reasonable, prevent from going out current situation in cylinder cover
Portion overheats；Ensure dynamic property, economy, discharge and the reliability of engine." it is integrated with exhaust as disclosed in CN203403965U
The engine cylinder cover of manifold water jacket ", has：Cylinder cover water jacket；Exhaust manifold water jacket is fixed above cylinder cover water jacket, and
It is connected to cylinder cover water jacket by the first communicating passage, is equipped on exhaust manifold water jacket and is discharged total mouth；Convenient for exhaust manifold water jacket
Improve cooling effect furthermore it is possible to be independently controlled to exhaust manifold water jacket with the manufacture of cylinder cover water jacket.This is undoubtedly this
A kind of beneficial trial of technical field.
Invention content
The object of the present invention is to provide a kind of car engine cooling water jacket structures of integrated exhaust manifold, can be to gas
Cylinder cap and cylinder block carry out good cooling, and the cooling water allocation proportion that can adjust cylinder body water jacket and cylinder cover water jacket makes cylinder
Lid and the cooling effect of cylinder block are more preferable；It can ensure that block temperature is more uniform；Combustion chamber and exhaust duct area can be adjusted
The intensity of cooling in domain so that the temperature in combustion chamber and exhaust duct region is consistent；The cooling in exhaust manifold region can be improved
Ability, to improve the reliability and economy of engine.
A kind of car engine cooling water jacket structure of integrated exhaust manifold of the present invention, including be located in cylinder block
Cylinder body water jacket, the cylinder cover water jacket being located in cylinder head, the head gasket that is located between the cylinder body water jacket and cylinder cover water jacket, it is special
Sign is：The cylinder body water jacket includes the sluice for being located at engine charge side, is coated on cylinder outside and is communicated with the sluice
Cylinder body water jacket ontology；The cylinder cover water jacket include be coated on outside combustion chamber and communicated with the sluice combustion chamber water jacket,
It is coated on the exhaust manifold water jacket that exhaust manifold is outer and is communicated with the combustion chamber water jacket.
Further, the sluice is equipped with sluice water inlet close to the position of engine rear end, and the sluice is close
The position of motor head is equipped with cylinder body water jacket water inlet；The cylinder body water jacket ontology is equipped with cylinder close to the position of engine rear end
Body water jacket water outlet；The cylinder body water jacket water inlet, cylinder body water jacket water outlet are flushed with the top surface of cylinder block, the cylinder body water jacket
Ontology is communicated with sluice by cylinder body water jacket water inlet.
Further, the combustion chamber water jacket is equipped with multiple cylinder cover water jacket water inlets, institute close to the position of engine charge side
It states combustion chamber water jacket and is equipped with cylinder cover water jacket water outlet close to the position of engine rear end；The head gasket is close to engine charge side
Position be equipped with it is multiple with the one-to-one side water hole of the cylinder cover water jacket water inlet；The combustion chamber water jacket passes through with sluice
Cylinder cover water jacket water inlet and side water hole communicate.
Further, the combustion chamber water jacket includes upper layer combustion chamber water jacket and lower layer's combustion chamber water jacket, the upper layer burning
Room water jacket is equipped with first passage close to the front end position of the exhaust side of engine, is equipped with the close to the rear end position of the exhaust side of engine
It corresponds to and sets close to the spark plug region of the exhaust side of engine on two channels, upper layer combustion chamber water jacket and lower layer's combustion chamber water jacket
There are multiple third channels, be correspondingly provided with multiple fourth lanes close to the spark plug region of engine charge side, before engine
The position at end is correspondingly provided with Five-channel；Upper layer combustion chamber water jacket passes through first passage and second channel and the exhaust discrimination
Pipe water jacket communicates；Lower layer combustion chamber water jacket passes through third channel, fourth lane, Five-channel and upper layer combustion chamber water
Set communicates, and the cylinder cover water jacket water inlet is located at position of the lower layer combustion chamber water jacket close to engine charge side.
Further, the exhaust manifold water jacket includes upper layer exhaust manifold water jacket and lower exhaust manifold water jacket；On described
Layer exhaust manifold water jacket and lower exhaust manifold water jacket front end communicated with upper layer combustion chamber water jacket by first passage,
Rear end is communicated by second channel with upper layer combustion chamber water jacket.
Further, the number of the cylinder cover water jacket water inlet is twice of engine cylinder number, is arranged in each air inlet
The front and rear sides in road.
Further, the third channel, the number of fourth lane are equal with engine cylinder number, and are respectively symmetrically distributed in every
The both sides of a cylinder.
Further, the position shape of the upper layer exhaust manifold water jacket and lower exhaust manifold water jacket close to the exhaust side of engine
At fluidic junction, the upper layer exhaust manifold water jacket is arranged with upper spacer close to the front and rear of the fluidic junction, under described
Layer exhaust manifold water jacket is arranged with lower clapboard close to the front and rear of the fluidic junction.
Further, the angle α between the upper spacer, lower clapboard and engine charge side direction is 40 ° -50 °.
The beneficial technique effect of the present invention：
（1）The cooling water of cylinder body water jacket and the form that cylinder cover water jacket is PARALLEL FLOW, cylinder head and cylinder block is non-interference so that
The cooling effect of cylinder head and cylinder block is more preferable；By adjusting the sectional area of cylinder body water jacket water inlet, to change inflow cylinder body
The cooling water allocation proportion of water jacket and cylinder cover water jacket so that the temperature of cylinder head and cylinder block is more uniform.
（2）Cylinder body water jacket water inlet, cylinder body water jacket water outlet are respectively positioned on the top of cylinder body water jacket, and with the top surface of cylinder block
It flushes, ensure that most of cooling water in the higher cylinder block upper flow of thermic load so that block temperature is more uniform.
（3）Cylinder cover water jacket is divided into combustion chamber water jacket and exhaust manifold water jacket, and combustion chamber water jacket and exhaust manifold water jacket are logical
First passage is crossed to connect with second channel, by change first passage and second channel sectional area, to adjust combustion chamber and
The intensity of cooling in exhaust duct region makes combustion chamber regions and exhaust duct regional temperature reach unanimity.
（4）The front and rear of exhaust manifold water jacket fluidic junction is symmetrical arranged upper spacer and lower clapboard, by adjusting every
Plate and lower clapboard shape improve the flowing of exhaust duct high-temperature area, that is, exhaust duct junction, keep entire exhaust path temperature more equal
It is even.
（5）Cooling water in lower layer's combustion chamber water jacket is the lateral exhaust side of engine flowing of engine charge, ensure that heat
High flow velocities around the higher air intake duct of load and spark plug, keep combustion chamber regions temperature more uniform.
（6）It is analyzed by CFD, the concrete shape and cylinder body water of exhaust manifold water jacket, upper spacer and lower clapboard can be specified
The cross-sectional area of water inlet, first passage and second channel is covered, different engines can also carry out corresponding according to space layout
Optimization design.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is cylinder body water jacket（Sand core）Structural schematic diagram；
Fig. 3 is cylinder cover water jacket（Sand core）Structural schematic diagram；
Fig. 4 is the structural schematic diagram of head gasket；
Fig. 5 is cylinder cover water jacket（Sand core）Upward view；
Fig. 6 is upper layer combustion chamber water jacket and exhaust manifold water jacket（Sand core）Attachment structure schematic diagram；
Fig. 7 is lower layer's combustion chamber water jacket（Sand core）Structural schematic diagram；
Fig. 8 is lower layer's combustion chamber water jacket（Sand core）Upward view.
In figure：1- cylinder body water jackets, 2- cylinder cover water jackets, 3- head gaskets, 4- motor heads, 5- engine rear ends, 6- start
Machine air inlet side, the 7- exhaust sides of engine, 8- fluidic junctions, 9- upper spacers, 10- lower clapboards；
The sluices 11-, 12- cylinder body water jacket ontologies, the sluices 13- water inlet, 14- cylinder body water jacket water inlets, 15- cylinder body water jackets go out
The mouth of a river；
The combustion chambers 21- water jacket, 22- exhaust manifold water jackets, 23- cylinder cover water jacket water inlets, 24- cylinder cover water jacket water outlets, 25- first
Channel, 26- second channels, 27- third channels, 28- fourth lanes, 29- Five-channels；
The sides 31- water hole；
The upper layers 211- combustion chamber water jacket, 212- lower layers combustion chamber water jacket；
The upper layers 221- exhaust manifold water jacket, 222- lower exhaust manifold water jackets.
Specific implementation mode
It elaborates to the present invention below in conjunction with drawings and examples.
Referring to Fig. 1 to a kind of car engine cooling water jacket structure of integrated exhaust manifold shown in Fig. 8, including it is located at gas
Cylinder body water jacket 1 in cylinder body, is located between the cylinder body water jacket 1 and cylinder cover water jacket 2 cylinder cover water jacket 2 being located in cylinder head
Head gasket 3, it is characterized in that：The cylinder body water jacket 1 includes the sluice 11 for being located at engine charge side 6, is coated on cylinder outside simultaneously
The cylinder body water jacket ontology 12 communicated with the sluice 11；The cylinder cover water jacket 2 be coated on outside combustion chamber and with the mistake
Combustion chamber water jacket 21 that water channel 11 communicates is coated on the exhaust manifold water that exhaust manifold is outer and is communicated with the combustion chamber water jacket 21
Set 22.Combustion chamber water jacket 21 mainly around spark plug and top of combustion chamber, is responsible for the cooling of combustion chamber and spark plug near zone,
Exhaust manifold water jacket 22 mainly around exhaust manifold and the meet of exhaust manifold, is responsible for the cooling in exhaust duct region.Cooling water
It flows through 11 rear portion of sluice to flow into cylinder body water jacket ontology 12, a part flows into cylinder cover water jacket 2, cylinder head and cylinder block
Cooling water it is non-interference so that the cooling effect of cylinder head and cylinder block is more preferable.
The sluice 11 is equipped with sluice water inlet 13 close to the position of engine rear end 5, and the sluice 11 is close
The position of motor head 4 is equipped with cylinder body water jacket water inlet 14；The cylinder body water jacket ontology 12 is close to the position of engine rear end 5
Equipped with cylinder body water jacket water outlet 15；The cylinder body water jacket water inlet 14, cylinder body water jacket water outlet 15 are flushed with the top surface of cylinder block,
The cylinder body water jacket ontology 12 is communicated with sluice 11 by cylinder body water jacket water inlet 14.Sluice 11 is parallel to cylinder body water jacket sheet
Body 12 is arranged, and cylinder body water jacket water inlet 14, cylinder body water jacket water outlet 15 are respectively positioned on the top of cylinder body water jacket, and with cylinder block
Top surface flushes so that cooling water makes full use of, while most of cooling water can be ensured on the higher cylinder block top of thermic load
Flowing so that block temperature is more uniform, to preferably be cooled down to cylinder block.
The combustion chamber water jacket 21 is equipped with multiple cylinder cover water jacket water inlets 23 close to the position of engine charge side 6, described
Combustion chamber water jacket 21 is equipped with cylinder cover water jacket water outlet 24 close to the position of engine rear end 5；The head gasket 3 close to engine into
The position of gas side 6 is equipped with multiple and 23 one-to-one side water hole 31 of the cylinder cover water jacket water inlet；The combustion chamber water jacket 21
It is communicated by cylinder cover water jacket water inlet 23 and side water hole 31 with sluice 11.
The combustion chamber water jacket 21 includes upper layer combustion chamber water jacket 211 and lower layer's combustion chamber water jacket 212, the upper layer burning
Room water jacket 211 is equipped with first passage 25, close to the rear end of the exhaust side of engine 7 close to the front end position of the exhaust side of engine 7
Position is equipped with second channel 26, close to the exhaust side of engine 7 on upper layer combustion chamber water jacket 211 and lower layer's combustion chamber water jacket 212
Spark plug region be correspondingly provided with multiple third channels 27, be correspondingly provided with close to the spark plug region of engine charge side 6 it is multiple
Fourth lane 28 is correspondingly provided with Five-channel 29 close to the position of motor head 4；Upper layer combustion chamber water jacket 211 passes through
First passage 25 and second channel 26 are communicated with the exhaust manifold water jacket 22；Lower layer combustion chamber water jacket 212 passes through third
Channel 27, fourth lane 28, Five-channel 29 are communicated with upper layer combustion chamber water jacket 211, and the cylinder cover water jacket water inlet
23 are located at position of the lower layer combustion chamber water jacket 212 close to engine charge side 6.
The exhaust manifold water jacket 22 includes upper layer exhaust manifold water jacket 221 and lower exhaust manifold water jacket 222；On described
The front end of layer exhaust manifold water jacket 221 and lower exhaust manifold water jacket 222 passes through first passage 25 and the upper layer combustion chamber
Water jacket 211 communicates, rear end is communicated by second channel 26 with upper layer combustion chamber water jacket 211.
The number of the cylinder cover water jacket water inlet 23 is twice of engine cylinder number, before being arranged in each air intake duct
Both sides afterwards.The third channel 27, the number of fourth lane 28 are equal with engine cylinder number, and are respectively symmetrically distributed in each gas
The both sides of cylinder.By taking four cylinder engine as an example：Cylinder cover water jacket water inlet 23 is total up to eight, is arranged in each air intake duct
Front and rear sides；Third channel 27 is total up to four, is arranged in spark plug area of each cylinder close to the exhaust side of engine 7
Domain, fourth lane 28 are total up to four, are arranged in spark plug region of each cylinder close to engine charge side 6.
The upper layer exhaust manifold water jacket 221 is with lower exhaust manifold water jacket 222 close to the position shape of the exhaust side of engine 7
At fluidic junction 8, the upper layer exhaust manifold water jacket 221 is arranged with upper spacer 9 close to the front and rear of the fluidic junction 8,
The lower exhaust manifold water jacket 222 is arranged with lower clapboard 10 close to the front and rear of the fluidic junction 8.By in adjusting
Partition board and lower clapboard shape improve the flowing of exhaust duct high-temperature area, that is, exhaust duct junction, make entire exhaust path temperature more
Uniformly.
Angle α between 6 direction of the upper spacer 9, lower clapboard 10 and engine charge side is 40 ° -50 °.
Cooling water is from the water outlet of water pump after sluice water inlet 13 flows into sluice 11；A part of cooling water is from starting
The cylinder body water jacket water inlet 14 of machine front end 4 flows into cylinder body water jacket ontology 12, is then discharged from the cylinder body water jacket of engine rear end 5
Mouth 15 flows out；Side water hole 31 of another part cooling water through head gasket 3, cylinder cover water jacket water inlet 23 flow into cylinder cover water jacket 2, so
It is flowed out afterwards from the cylinder cover water jacket water outlet 24 of engine rear end 5.Cylinder body water jacket 1, the form that cylinder cover water jacket 2 is PARALLEL FLOW, gas
Cylinder cap and the cooling water of cylinder block are non-interference so that the cooling effect of cylinder head and cylinder block is more preferable.By adjusting cylinder body water
The sectional area for covering water inlet 14 can change the cooling water allocation proportion for flowing into cylinder body water jacket 1, cylinder cover water jacket 2 so that cylinder head
It is more uniform with the temperature of cylinder block.
Cooling water through cylinder cover water jacket water inlet 23 flows into lower layer's combustion chamber water jacket 212 first, and a part of cooling water is through
Four-way 28 flows into upper layer combustion chamber water jacket 211, and another part cooling water washes away behind air intake duct region through third channel 27 and the
Five-channel 29 equally flows into upper layer combustion chamber water jacket 211；This type of flow is conducive to effective cooling of air intake duct and spark plug
And the uniform cooling of each cylinder.Cooling water in upper layer combustion chamber water jacket 211 flows into exhaust manifold water jacket 22 through first passage 25
In, upper layer combustion chamber water jacket 211 then is flowed back to through second channel 26, is finally flowed out from cylinder cover water jacket water outlet 24.It can lead to
The sectional area for changing first passage 25 and second channel 26 is crossed, the water flow of exhaust manifold water jacket 22 is adjusted, makes cylinder head temperature
More uniformly；The cooling capacity that exhaust manifold region can be improved simultaneously, to improve the reliability and economy of engine.
Claims (9)
1. a kind of car engine cooling water jacket structure of integrated exhaust manifold, including the cylinder body water jacket that is located in cylinder block（1）、
The cylinder cover water jacket being located in cylinder head（2）, be located at the cylinder body water jacket（1）With cylinder cover water jacket（2）Between head gasket（3）,
It is characterized in：The cylinder body water jacket（1）Including being located at engine charge side（6）Sluice（11）, be coated on cylinder it is outer and with institute
State sluice（11）The cylinder body water jacket ontology communicated（12）；The cylinder cover water jacket（2）Including be coated on outside combustion chamber and with it is described
Sluice（11）The combustion chamber water jacket communicated（21）, be coated on exhaust manifold it is outer and with the combustion chamber water jacket（21）The row communicated
Gas manifold water jacket（22）.
2. the car engine cooling water jacket structure of integrated exhaust manifold according to claim 1, it is characterized in that：The mistake
Water channel（11）Close to engine rear end（5）Position be equipped with sluice water inlet（13）, the sluice（11）Close to engine
Front end（4）Position be equipped with cylinder body water jacket water inlet（14）；The cylinder body water jacket ontology（12）Close to engine rear end（5）Portion
Position is equipped with cylinder body water jacket water outlet（15）；The cylinder body water jacket water inlet（14）, cylinder body water jacket water outlet（15）With cylinder block
Top surface flushes, the cylinder body water jacket ontology（12）With sluice（11）Pass through cylinder body water jacket water inlet（14）It communicates.
3. the car engine cooling water jacket structure of integrated exhaust manifold according to claim 1 or 2, it is characterized in that：Institute
State combustion chamber water jacket（21）Close to engine charge side（6）Position be equipped with multiple cylinder cover water jacket water inlets（23）, the burning
Room water jacket（21）Close to engine rear end（5）Position be equipped with cylinder cover water jacket water outlet（24）；The head gasket（3）It is close to start
Machine air inlet side（6）Position be equipped with it is multiple with the cylinder cover water jacket water inlet（23）One-to-one side water hole（31）；The combustion
Burn room water jacket（21）With sluice（11）Pass through cylinder cover water jacket water inlet（23）With side water hole（31）It communicates.
4. the car engine cooling water jacket structure of integrated exhaust manifold according to claim 3, it is characterized in that：The combustion
Burn room water jacket（21）Including upper layer combustion chamber water jacket（211）With lower layer's combustion chamber water jacket（212）, upper layer combustion chamber water jacket
（211）Close to the exhaust side of engine（7）Front end position be equipped with first passage（25）, close to the exhaust side of engine（7）Rear end
Position is equipped with second channel（26）, upper layer combustion chamber water jacket（211）With lower layer's combustion chamber water jacket（212）Upper close engine
Exhaust side（7）Spark plug region be correspondingly provided with multiple third channels（27）, close to engine charge side（6）Spark plug region
It is correspondingly provided with multiple fourth lanes（28）, close to motor head（4）Position be correspondingly provided with Five-channel（29）；The upper layer
Combustion chamber water jacket（211）Pass through first passage（25）And second channel（26）With the exhaust manifold water jacket（22）It communicates；It is described
Lower layer's combustion chamber water jacket（212）Pass through third channel（27）, fourth lane（28）, Five-channel（29）With the upper layer combustion chamber
Water jacket（211）It communicates, and the cylinder cover water jacket water inlet（23）It is located at lower layer combustion chamber water jacket（212）Close to engine into
Gas side（6）Position.
5. the car engine cooling water jacket structure of integrated exhaust manifold according to claim 4, it is characterized in that：The row
Gas manifold water jacket（22）Including upper layer exhaust manifold water jacket（221）With lower exhaust manifold water jacket（222）；The upper layer is vented discrimination
Pipe water jacket（221）With lower exhaust manifold water jacket（222）Front end pass through first passage（25）With upper layer combustion chamber water
Set（211）It communicates, rear end passes through second channel（26）With upper layer combustion chamber water jacket（211）It communicates.
6. the car engine cooling water jacket structure of integrated exhaust manifold according to claim 3, it is characterized in that：The cylinder
Lid water jacket water inlet（23）Number be twice of engine cylinder number, be arranged in the front and rear sides of each air intake duct.
7. the car engine cooling water jacket structure of integrated exhaust manifold according to claim 4, it is characterized in that：Described
Triple channel（27）, fourth lane（28）Number it is equal with engine cylinder number, and be respectively symmetrically distributed in the both sides of each cylinder.
8. according to the car engine cooling water jacket structure of any integrated exhaust manifold of claim 5 to 7, feature
It is：The upper layer exhaust manifold water jacket（221）With lower exhaust manifold water jacket（222）Close to the exhaust side of engine（7）Position
Form fluidic junction（8）, the upper layer exhaust manifold water jacket（221）Close to the fluidic junction（8）Front and rear be arranged with
Upper spacer（9）, the lower exhaust manifold water jacket（222）Close to the fluidic junction（8）Front and rear be arranged with down every
Plate（10）.
9. the car engine cooling water jacket structure of integrated exhaust manifold according to claim 8, it is characterized in that：On described
Partition board（9）, lower clapboard（10）With engine charge side（6）Angle α between direction is 40 ° -50 °.
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| CN201810246180.XA CN108547703B (en) | 2018-03-23 | 2018-03-23 | Automobile engine cooling water jacket structure integrated with exhaust manifold |
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| CN110332055A (en) * | 2019-07-23 | 2019-10-15 | 安徽江淮汽车集团股份有限公司 | Cylinder head water jacket and engine |
| CN110500197A (en) * | 2018-05-18 | 2019-11-26 | 宝沃汽车（中国）有限公司 | Engine and vehicle with it |
| CN110594033A (en) * | 2019-10-31 | 2019-12-20 | 重庆长安汽车股份有限公司 | Engine cooling water jacket structure |
| CN110966077A (en) * | 2018-09-28 | 2020-04-07 | 长城汽车股份有限公司 | Internal combustion engine cooling system, control method and vehicle |
| CN111810311A (en) * | 2019-04-11 | 2020-10-23 | 广州汽车集团股份有限公司 | Engine cooling water jacket structure and engine |
| CN112177792A (en) * | 2020-09-29 | 2021-01-05 | 奇瑞汽车股份有限公司 | Integrated exhaust manifold cylinder head and cylinder |
| CN112648103A (en) * | 2020-12-31 | 2021-04-13 | 安徽江淮汽车集团股份有限公司 | Engine cylinder cover water jacket and engine |
| JP2021085354A (en) * | 2019-11-27 | 2021-06-03 | スズキ株式会社 | Cooling device for engine |
| JP2021085358A (en) * | 2019-11-27 | 2021-06-03 | スズキ株式会社 | Cooling device for engine |
| CN113027584A (en) * | 2021-04-29 | 2021-06-25 | 广西玉柴机器股份有限公司 | Engine exhaust pipe cooling method and system |
| CN114046210A (en) * | 2021-12-29 | 2022-02-15 | 重庆长安汽车股份有限公司 | Cooling water jacket structure of gasoline engine |
| CN114233508A (en) * | 2021-12-29 | 2022-03-25 | 安徽江淮汽车集团股份有限公司 | Engine cylinder cover water jacket |
| CN114233507A (en) * | 2021-12-07 | 2022-03-25 | 奇瑞汽车股份有限公司 | Cooling water jacket of engine cylinder head |
| CN114837844A (en) * | 2022-06-01 | 2022-08-02 | 江苏常发农业装备股份有限公司 | Cylinder cover and engine |
| CN115405434A (en) * | 2022-09-29 | 2022-11-29 | 赛力斯集团股份有限公司 | Split type engine cooling water jacket |
| CN115419495A (en) * | 2022-09-13 | 2022-12-02 | 重庆长安汽车股份有限公司 | Engine cooling water jacket and engine |
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