CN106801641B - Engine-cooling system and vehicle with it - Google Patents
Engine-cooling system and vehicle with it Download PDFInfo
- Publication number
- CN106801641B CN106801641B CN201510845578.1A CN201510845578A CN106801641B CN 106801641 B CN106801641 B CN 106801641B CN 201510845578 A CN201510845578 A CN 201510845578A CN 106801641 B CN106801641 B CN 106801641B
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- Prior art keywords
- cooling
- water jacket
- intersection
- secondary water
- engine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/12—Arrangements for cooling other engine or machine parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/024—Cooling cylinder heads
Abstract
The invention discloses a kind of engine-cooling system and with its vehicle, the engine-cooling system includes: exhaust manifold, the exhaust manifold has the intersection of the multiple branch portions and these branch portions that are separately connected with the combustion chamber of each cylinder, and the intersection is two；Main water sleeve, the main water sleeve are arranged close to the exhaust outlet of multiple cylinders；Secondary water jacket, the pair water is set on around the exhaust manifold and for cooling down to the exhaust manifold, a part of the pair water jacket constitutes annular section and is looped around described two intersection peripheries, and the secondary water jacket also has between the intersection and both ends are respectively communicated to the intermediate water jacket of the annular section.Engine-cooling system according to the present invention can carry out the part around the intersection of exhaust manifold effectively cooling down, improve the service life of cylinder head.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of engine-cooling system and the vehicle with it.
Background technique
Cylinder head jacket arrangement is only capable of cooling combustion chamber and portion discharge manifold assembly region at present, to the higher row of temperature
The cooling effect of gas manifold intersection is poor.Or cylinder head jacket can be adapted for the integrated cylinder cap of " 4 close 1 " exhaust manifold, it is right
More complicated " dual channel " exhaust manifold for having igniting sequence requirement of structure integrates cylinder cap, and current jacket structure for water is unable to satisfy exhaust
The cooling requirement of side.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of engine-cooling system, the engine-cooling system can be to the intersection of exhaust manifold around
Part carry out effectively cooling, improve the service life of cylinder head.
Another object of the present invention is that proposing a kind of vehicle with above-mentioned engine-cooling system.
Engine-cooling system according to the present invention, comprising: exhaust manifold, the exhaust manifold have the combustion with each cylinder
The intersection of multiple branch portions and these branch portions that room is separately connected is burnt, the intersection is two；Main water sleeve, the master
Water jacket is arranged close to the exhaust outlet of multiple cylinders；Secondary water jacket, it is described pair water be set on around the exhaust manifold and for pair
The exhaust manifold is cooled down, and a part of the pair water jacket constitutes annular section and is looped around outside described two intersections
Week, and the secondary water jacket also has between the intersection and both ends are respectively communicated to the intermediate water of the annular section
Set.
Engine-cooling system according to the present invention, by the branch portion to exhaust manifold, especially to intersection around
Part is cooled down, and the temperature of cylinder head can be obviously improved, so that cylinder head material is maintained at suitable intensity, and then at least
The service life of cylinder head is improved to a certain extent.
In addition, engine-cooling system according to the present invention can also have the following additional technical features:
According to one embodiment of present invention, the main water sleeve includes multiple groups cooling end, and every group of cooling end is close to corresponding institute
State the exhaust outlet setting of cylinder.
According to one embodiment of present invention, the secondary water jacket includes upper secondary water jacket and lower secondary water jacket, the upper secondary water jacket
It is located at the top of the exhaust manifold, the lower secondary water jacket is located at the lower section of the exhaust manifold.
According to one embodiment of present invention, the upper secondary water jacket includes multiple first cooling ducts, and multiple described first
Cooling jacket is distributed in the top of the exhaust manifold；The lower secondary water jacket includes multiple second cooling ducts, Duo Gesuo
State the lower section that the first cooling duct is distributed in the exhaust manifold；And the secondary water jacket further includes third cooling duct,
The third cooling duct is connected to first cooling duct and second cooling duct respectively, and the third is cooling logical
Road is located between two intersections, wherein the third cooling duct constitutes the intermediate water jacket.
According to one embodiment of present invention, multiple first cooling ducts cross to limit first set portion, portion
Point first cooling duct, part second cooling duct and part the third cooling duct cross to limit the
Two collection portions, part first cooling duct, part second cooling duct and part the third cooling duct are handed over
It converges to limit third collection portion, the first set portion, the second set portion and the third collection portion are close to two institutes
State intersection setting.
According to one embodiment of present invention, described two intersections include the first intersection and the second intersection,
First intersection part is in the top of second intersection；The first set portion is located at the upper of first intersection
Side, the second set portion and the third collection portion are oppositely arranged and are located at first intersection and described second and hand over
The two sides in remittance portion.
According to one embodiment of present invention, the main water sleeve is connected to the secondary water jacket, the coolant liquid on the cylinder
Leakage fluid dram be connected to the secondary water jacket, the main water sleeve is connected to the liquid return hole of the coolant liquid on the cylinder.
According to one embodiment of present invention, the cooling structure further includes temperature-conserving valve, opens when institute in the temperature-conserving valve
The air-conditioning system and at least one of the main water sleeve and the secondary water jacket for stating vehicle are connected to.
According to one embodiment of present invention, the cooling structure further includes thermostat, cold when the thermostat is opened
But liquid can enter to the radiator of the vehicle, when the thermostat is closed, cooling duct of the coolant liquid on the cylinder,
It is recycled between the main water sleeve and the secondary water jacket.
Vehicle according to the invention includes above-mentioned engine-cooling system, since vehicle according to the invention is provided with
The engine-cooling system stated, therefore the vehicle has higher stability in the process of running.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the schematic diagram of main water sleeve according to an embodiment of the invention and secondary water jacket cooperation；
Fig. 2 is the schematic diagram of main water sleeve in accordance with another embodiment of the present invention and secondary water jacket cooperation；
Fig. 3 is the schematic diagram in a direction of engine-cooling system according to an embodiment of the present invention；
Fig. 4 is the schematic diagram in another direction of engine-cooling system according to an embodiment of the present invention；
Fig. 5 is the schematic diagram in another direction of engine-cooling system according to an embodiment of the present invention；
Fig. 6 is the flow schematic diagram of coolant liquid according to an embodiment of the present invention.
Appended drawing reference:
Engine-cooling system 100,
Branch portion 111, the first intersection 112a, the second intersection 112b,
Main water sleeve 120, cooling end 121,
Upper pair water jacket 131, the first cooling duct 131a, lower pair water jacket 132, the second cooling duct 132a, third are cold
But channel 133,
First set portion 150, second set portion 160, third collection portion 170.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Below with reference to Fig. 1 to the engine-cooling system 100 of Fig. 6 the present invention is described in detail embodiment.
Engine-cooling system 100 according to an embodiment of the present invention may include exhaust manifold, main water sleeve 120 and secondary water
Set.
Firstly the need of explanation, exhaust manifold, main water sleeve 120 and secondary water jacket are all that the circulation being located in cylinder head is led to
Road, exhaust manifold are the exhaust gas passing away of each cylinder, and main water sleeve 120 and secondary water jacket are respectively used to the exhaust of cylinder head
Part near mouthful and around exhaust manifold is cooled down, so that cylinder head is maintained at suitable temperature.
Wherein, exhaust manifold has the multiple branch portions 111 being separately connected with the combustion chamber of each cylinder and these branches
The intersection (not shown) in portion 111, and intersection is two.
That is, a part of multiple branch portions 111 pools together to form an intersection, multiple branch portions
111 another part pools together to form another intersection, and the exhaust gas in cylinder is divided into two parts discharge.
It is understood that more off-gas flows cross in intersection, the temperature near intersection is compared to the temperature near branched pipe
It is higher, and then need to cool down the part near intersection.
Due to the presence of exhaust outlet, the part near the exhaust outlet of each cylinder head forms ridge area, and ridge area is directly held
By the impact of the gas of the high temperature and pressure of combustion chamber, therefore the temperature of ridge area is very high, needs to cool down it.Main water sleeve
120 are arranged close to the exhaust outlets of multiple cylinders, and then can cool down to the part around exhaust outlet.
Secondary water is set on around exhaust manifold and for cooling down to exhaust manifold, and a part of secondary water jacket constitutes ring
Shape part and it is looped around two intersection peripheries.Secondary water jacket can cool down the intersection that heat is more concentrated as a result, keep away
The temperature exempted from cylinder is excessively high.
Further, secondary water jacket also has between two intersections and both ends are respectively communicated to the centre of annular section
Water jacket.The cooling effect to exhaust manifold is further improved as a result,.
That is, secondary water jacket can not only cool down the part around multiple branch portions 111, it can also be to two
Part around intersection is cooled down, and then improves the cooling efficiency to cylinder head, so that cylinder head is maintained at suitable
Temperature.
Engine-cooling system 100 according to an embodiment of the present invention, it is especially right by the branch portion 111 to exhaust manifold
Part around intersection is cooled down, and the temperature of cylinder head can be obviously improved, so that cylinder head material is maintained at suitable
Intensity, and then the service life of cylinder head is improved at least to a certain extent.
In some embodiments of the invention, as shown in Fig. 2, main water sleeve 120 includes multiple groups cooling end 121, every group of cooling
Portion 121 is located near the exhaust outlet of corresponding cylinder.Multiple groups cooling end 121 communicates with each other, and coolant liquid can be in multiple groups cooling end
It circulates between 121.
In some embodiments of the invention, as shown in Figure 1 to Figure 3, secondary water jacket includes upper secondary water jacket 131 and lower secondary water jacket
132, upper pair water jacket 131 is located at the top of exhaust manifold, and the top of main cooled exhaust manifold；132 row of being located at of lower pair water jacket
The lower section of gas manifold, and the lower part of main cooled exhaust manifold.Upper pair water jacket 131 and lower secondary water jacket 132 communicate with each other, coolant liquid
Lower secondary water jacket 132 can be flowed into from upper secondary water jacket 131.
Further, as shown in Fig. 4 to Fig. 5, it is upper pair water jacket 131 include multiple first cooling duct 131a, multiple first
Cooling duct 131a is distributed in the top of exhaust manifold；Lower pair water jacket 132 includes multiple second cooling duct 132a, multiple
Second cooling duct 132a is distributed in the lower section of exhaust manifold.
It communicates with each other between multiple first cooling duct 131a, multiple second cooling duct 132a communicate with each other, and at least
Part the first cooling duct 131a and at least partly the second cooling duct 132a communicates with each other.Coolant liquid can be from first as a result,
Cooling duct 131a flows into the second cooling duct 132a, realizes the circulation of coolant liquid.
As shown in figure 5, secondary water jacket further includes third cooling duct 133, third cooling duct 133 is cooling logical with first respectively
Road 131a and the second cooling duct 132a connection, and third cooling duct 133 is located between two intersections.Thus, it is possible to right
The part with higher temperature around two intersections is cooled down, and guarantees that cylinder head has suitable temperature and higher strong
Degree.
It should be noted that third cooling duct 133 is configured to intermediate water jacket, part the first cooling duct 131a and part
Second cooling duct 132a is configured to be centered around the annular section of two intersection peripheries.
In some embodiments of the invention, such as Fig. 1 to Fig. 2, as shown in Fig. 4 to Fig. 5, multiple first cooling duct 131a
It crosses to limit first set portion 150, the first cooling duct of part 131a, part the second cooling duct 132a and part
Three cooling ducts 133 cross to limit second set portion 160, the first cooling duct of part 131a, the second cooling duct of part
132a and part third cooling duct 133 cross to limit third collection portion 170, first set portion 150, second set portion
160 and third collection portion 170 be arranged close to two intersections.
The cross-sectional area in first set portion 150, second set portion 160 and third collection portion 170 is greater than the first cooling duct
The cross-sectional area of 131a, the second cooling duct 132a and third cooling duct 133, it is possible thereby to realize rationally dividing to coolant liquid
Match, so that coolant liquid circulation is more smooth, and improves the cooling effect to part near two intersections at least to a certain extent
Fruit.
Specifically, as shown in figure 5, two intersections include the first intersection 112a and the second intersection 112b, first is handed over
Remittance portion 112a is located at the top of the second intersection 112b；First set portion 150 is located at the top of the first intersection 112a, the second collection
Conjunction portion 160 and the opposite two sides being located at and be located at the first intersection 112a and the second intersection 112b of third collection portion 170.
That is, first set portion 150, second set portion 160 and third collection portion 170 with comparatively large cross-sectional area
Region most of around first intersection 112a and the second intersection 112b can be cooled down, and then guarantee cylinder head tool
There is suitable temperature, improves the service life of cylinder head.
In some embodiments of the invention, main water sleeve 120 be connected to secondary water jacket, the leakage fluid dram of the coolant liquid on cylinder and
Secondary water jacket connection, main water sleeve 120 are connected to the liquid return hole of the coolant liquid on cylinder.
For example, coolant liquid after cooling down to cylinder block, can be flowed into secondary water jacket from the leakage fluid dram of cylinder first
To be cooled down to exhaust manifold, the part near exhaust outlet is cooled down then into main water sleeve 120, finally from time liquid
Mouth flows back in the cooling duct of cylinder block.
It specifically, can be first from the leakage fluid dram of cylinder as shown in fig. 6, coolant liquid is after cooling down cylinder block
It is flowed into secondary water jacket 131, after cooling down to exhaust manifold top, lower secondary water jacket 132 can be entered to exhaust manifold
Lower part cooled down, be then flowed into main water sleeve 120 and the part near exhaust outlet cooled down, finally flowed back to from liquid return hole
In the cooling duct of cylinder block.
In some embodiments of the invention, engine-cooling system 100 can also include temperature-conserving valve (not shown), save
When warm valve is opened, the air-conditioning system of vehicle can be connected to at least one of main water sleeve 120 and secondary water jacket.When temperature-conserving valve is closed
When, air-conditioning system is not connected to main water sleeve 120 and secondary water jacket.Thus, it is possible to so that air-conditioning system is quickly heated when needed,
Improve the driving experience of driver.
In some embodiments of the invention, engine-cooling system 100 further includes thermostat (not shown), works as thermostat
When opening, coolant liquid can enter to the radiator of vehicle, and then coolant liquid and outside air carry out heat exchange, the temperature of coolant liquid
Spend available reduction；When thermostat is closed, cooling duct of the coolant liquid on cylinder, main water sleeve 120 and secondary water jacket it
Between recycle.Thus, it is possible to make coolant liquid not make sub-cooled to cylinder and cylinder head, so that cylinder head and cylinder are kept
In suitable temperature.
The vehicle of the embodiment of the present invention is briefly described below.
Vehicle according to an embodiment of the present invention includes the engine-cooling system 100 of above-described embodiment, due to according to this hair
The vehicle of bright embodiment is provided with above-mentioned engine-cooling system 100, thus the vehicle have in the process of running it is higher
Stability.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (7)
1. a kind of engine-cooling system characterized by comprising
Exhaust manifold, the exhaust manifold have the multiple branch portions being separately connected with the combustion chamber of each cylinder and these branches
The intersection in portion, the intersection are two；
Main water sleeve, the main water sleeve are arranged close to the exhaust outlet of multiple cylinders；
Secondary water jacket, the pair water is set on around the exhaust manifold and for cooling down to the exhaust manifold, described
A part of secondary water jacket constitutes annular section and is looped around described two intersection peripheries, and the secondary water jacket also has and is located at
Between the intersection and both ends are respectively communicated to the intermediate water jacket of the annular section；
The pair water jacket includes upper secondary water jacket and lower secondary water jacket, and the upper secondary water jacket is located at the top of the exhaust manifold, described
Lower pair water jacket is located at the lower section of the exhaust manifold；
The upper secondary water jacket includes multiple first cooling ducts, and multiple first cooling ducts are distributed in the exhaust discrimination
The top of pipe；
The lower secondary water jacket includes multiple second cooling ducts, and multiple first cooling ducts are distributed in the exhaust discrimination
The lower section of pipe；And
The pair water jacket further includes third cooling duct, the third cooling duct respectively with first cooling duct and described
The connection of second cooling duct, and the third cooling duct is located between two intersections, wherein the third is cooling logical
Road constitutes the intermediate water jacket；
Multiple first cooling ducts cross to limit first set portion, described in part first cooling duct, part
Second cooling duct and part the third cooling duct cross to limit second set portion, and part described first is cooling logical
Road, part second cooling duct and part the third cooling duct cross to limit third collection portion, and described
One collection portion, the second set portion and the third collection portion are close to two intersection settings.
2. engine-cooling system according to claim 1, which is characterized in that the main water sleeve includes multiple groups cooling end,
Exhaust outlet setting of the every group of cooling end close to the corresponding cylinder.
3. engine-cooling system according to claim 1, which is characterized in that described two intersections include first
Intersection and the second intersection, first intersection part is in the top of second intersection；
The first set portion is located at the top of first intersection, and the second set portion and the third collection portion are opposite
It is arranged and is located at the two sides of first intersection and second intersection.
4. engine-cooling system according to any one of claim 1-3, which is characterized in that the main water sleeve with it is described
Secondary water jacket is connected to, and the leakage fluid dram of the coolant liquid on the cylinder is connected to the secondary water jacket, on the main water sleeve and the cylinder
Coolant liquid liquid return hole connection.
5. engine-cooling system according to claim 1, which is characterized in that further include temperature-conserving valve, in the temperature-conserving valve
The air-conditioning system of vehicle is connected to at least one of the main water sleeve and the secondary water jacket when opening.
6. engine-cooling system according to claim 1, which is characterized in that further include thermostat, when the thermostat
When opening, coolant liquid can enter to the radiator of vehicle, when the thermostat is closed, cooling of the coolant liquid on the cylinder
It is recycled between channel, the main water sleeve and the secondary water jacket.
7. a kind of vehicle, which is characterized in that including engine-cooling system of any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510845578.1A CN106801641B (en) | 2015-11-26 | 2015-11-26 | Engine-cooling system and vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510845578.1A CN106801641B (en) | 2015-11-26 | 2015-11-26 | Engine-cooling system and vehicle with it |
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| Publication Number | Publication Date |
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| CN106801641A CN106801641A (en) | 2017-06-06 |
| CN106801641B true CN106801641B (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510845578.1A Active CN106801641B (en) | 2015-11-26 | 2015-11-26 | Engine-cooling system and vehicle with it |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454269A (en) * | 2019-07-18 | 2019-11-15 | 中国第一汽车股份有限公司 | A kind of engine-cooling system |
| CN110284990B (en) * | 2019-08-13 | 2020-08-14 | 重庆小康工业集团股份有限公司 | Cylinder head cooling water jacket and engine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5148675A (en) * | 1991-04-26 | 1992-09-22 | Inman Frederick R | Marine exhaust manifold and header pipe system |
| FR2682994B1 (en) * | 1991-10-25 | 1993-12-10 | Renault Regie Nale Usines | LIQUID COOLING CIRCUIT FOR INTERNAL COMBUSTION ENGINE. |
| JP2010190051A (en) * | 2009-02-16 | 2010-09-02 | Toyota Motor Corp | Exhaust manifold |
| CN102597441A (en) * | 2009-10-14 | 2012-07-18 | 威斯卡特工业有限公司 | Fluid-cooled exhaust manifold |
| JP4905573B2 (en) * | 2010-03-23 | 2012-03-28 | トヨタ自動車株式会社 | Internal combustion engine exhaust cooling system |
| US9228462B2 (en) * | 2014-02-06 | 2016-01-05 | Caterpillar Inc. | Jacket-cooled exhaust manifold |
| CN204532502U (en) * | 2015-03-31 | 2015-08-05 | 吉林大学 | The integrated gas exhaust manifold of a kind of novel 4 cylinder machine cylinder cap |
-
2015
- 2015-11-26 CN CN201510845578.1A patent/CN106801641B/en active Active
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| CN106801641A (en) | 2017-06-06 |
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Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing baowo Automobile Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing treasure Car Co.,Ltd. |
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Effective date of registration: 20210422 Address after: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee after: BEIQI FOTON MOTOR Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing baowo Automobile Co.,Ltd. |
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