CN110284990A - Cylinder head cooling jacket and engine - Google Patents
Cylinder head cooling jacket and engine Download PDFInfo
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- CN110284990A CN110284990A CN201910743489.4A CN201910743489A CN110284990A CN 110284990 A CN110284990 A CN 110284990A CN 201910743489 A CN201910743489 A CN 201910743489A CN 110284990 A CN110284990 A CN 110284990A
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- water
- cooling
- jacket
- cylinder head
- water 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)
Abstract
The present invention discloses cylinder head cooling jacket and engine, which includes the first water jacket, the second water jacket and third water jacket, wherein the first water jacket and the second water jacket are respectively arranged on the two sides up and down of exhaust manifold and are connected to, for cooling down the exhaust manifold；Third water jacket is arranged around the ridge area of exhaust duct, spark plug area, the ridge area of air intake duct and fuel injector area, and successively cools down to above-mentioned zone.Engine disclosed by the invention uses above-mentioned cylinder head cooling jacket, and cooling water is reasonably allocated to the different cooling zones of cylinder head, improves the cooling efficiency of cylinder head, and then ensure that the reliability of engine operation.
Description
Technical field
The present invention relates to field of automobile more particularly to cylinder head cooling jackets and engine.
Background technique
The cylinder head of engine is mounted on the upper surface of cylinder body, from top seal cylinder and constitutes combustion chamber, it often with height
Warm high-pressure gas is in contact, therefore bears very big thermic load and mechanical load, and the cold and hot exchange being especially subject to is the strongest
That is the higher ridge area of thermic load.In order to reduce failure rate, need to design cooling jacket in cylinder head to carry out to cylinder head
It is especially adequately cooling.When engine operation, the cylinder head top and bottom temperature difference is very big, in order to reduce the internal stress of cylinder head, guarantees
The reliability of engine operation needs for the flow velocity of cooling water and flow to be reasonably allocated to the different cooling zones of cylinder cap, especially
For being integrated with the cylinder head of exhaust manifold, it is also necessary to exhaust manifold is cooled down emphatically, it is therefore, how that cooling water is reasonable
The different cooling zones of cylinder head are assigned to, are always the difficult point of cylinder head jacket design.
Summary of the invention
It is an object of the present invention to overcoming, cylinder head cooling jacket can not be by cooling water reasonable distribution in the prior art
The problem of to different cooling zones, to provide a kind of cylinder head cooling jacket, which can be by cooling water reasonable distribution
To the different cooling zones of cylinder head, to improve the cooling efficiency of cylinder head, to achieve the goals above, the present invention provides following skill
Art scheme:
A kind of cylinder head cooling jacket, is installed in cylinder head, including the first water jacket, the second water jacket and third water jacket, institute
It states cylinder head and is equipped with exhaust manifold and multiple groups fuel injector corresponding with number of cylinders, air intake duct, exhaust duct and spark plug,
Wherein,
First water jacket includes exhaust manifold cooling end, and the exhaust manifold cooling end and second water jacket are set respectively
In the exhaust manifold two sides up and down and be connected to, cooling water from the water inlet of second water jacket flow into, through the exhaust discrimination
Pipe cooling end outflow, for cooling down the exhaust manifold；
The third water jacket is arranged around the ridge area of exhaust duct, spark plug area, the ridge area of air intake duct and fuel injector area,
And the water inlet of the third water jacket is set to the exhaust side of the cylinder, cooling water is flowed into from the water inlet of the third water jacket,
And successively the ridge area of the exhaust duct, the spark plug area, the ridge area of the air intake duct and the fuel injector area are carried out
It is cooling.
Specifically, the exhaust manifold cooling end is respectively equipped with the first water inlet in the exhaust outlet two sides of the exhaust manifold
With the second water inlet, second water jacket is respectively equipped with the first water outlet and second in the exhaust outlet two sides of the exhaust manifold and goes out
The mouth of a river；It is connected to inside first water inlet and first water outlet, outer closures；Second water inlet and described second
Water outlet inner part is every outer closures；
The cooling water of second water jacket is cold through first water outlet, first water inlet inflow exhaust manifold
But portion.
Preferably, first water jacket further includes spark plug cooling end, the spark plug cooling end and the exhaust manifold
Cooling end is integrally formed and is connected to, and cooling water flows to the spark plug cooling end from the exhaust manifold cooling end；The spark
Plug cooling end end is additionally provided with multiple water outlets, and the water outlet of the spark plug cooling end and the water outlet of the third water jacket are equal
Set on the air inlet side of the cylinder.
Further, one-to-one be equipped with is connected with the cylinder body water jacket of the cylinder around each cylinder
The water outlet of spark plug cooling end, the water inlet of the second water jacket, the water inlet of third water jacket and third water jacket water outlet.
Specifically, the third water jacket includes the interconnected refrigerating function component of multiple groups, the refrigerating function component packet
Include the first cooling end, the second cooling end and third cooling end being sequentially communicated, wherein
First cooling end is consistent with exhaust duct ridge area shape, and input terminal bends downward the corresponding third of connection
The water inlet of water jacket；First cooling end is set to above the ridge area of the exhaust duct；
Second cooling end is annular, is set on the outside of the spark plug；
The third cooling end is consistent with air intake duct ridge area shape, and output end bends downward and is divided into two points
Branch pipe(tube) is separately connected the water outlet of corresponding third water jacket；The third cooling end is set on the ridge area of the air intake duct
Side；The lateral is divided into the two sides of the fuel injector.
Preferably, connecting pipeline is equipped between the second cooling end of the adjacent two refrigerating function components.
Preferably, the spark plug cooling end of first water jacket is set to above the spark plug tip, and each described second
The two sides of cooling end are respectively communicated with the spark plug cooling end.
Specifically, the third water jacket is connected to by way of machining pipeline with the spark plug cooling end.
Preferably, first water jacket, second water jacket and the third water jacket are engraved structure.
The second purpose of the present invention is overcome the cylinder head top and bottom temperature difference of automobile engine in the prior art very big, cooling
The problem of unevenly be easy to causeing engine failure, so that a kind of engine is provided, the cylinder head cooling jacket of the engine
Cooling water can be reasonably allocated to the different cooling zones of cylinder head, to improve the cooling efficiency of cylinder head, reduce engine event
Barrier, to achieve the goals above, the invention provides the following technical scheme:
A kind of engine, the cylinder head of the engine is interior to be equipped with above-mentioned cylinder head cooling jacket.
Compared with prior art, cylinder head cooling jacket and engine provided by the invention have the advantages that
Cylinder head cooling jacket provided by the invention, including the first water jacket, the second water jacket and third water jacket, wherein the first water
The exhaust manifold cooling end and the second water jacket of set are respectively arranged on the two sides up and down of exhaust manifold and are connected to, and the cooling water in water jacket fills
Divide ground to carry out heat exchange with exhaust manifold, effectively cools exhaust manifold；Ridge area of the third water jacket around exhaust duct, spark
Area, the ridge area of air intake duct and the setting of fuel injector area are filled in, cooling water is successively to the ridge area of exhaust duct, spark plug area, air intake duct
Ridge area and fuel injector area cooled down, cooling water is reasonably allocated to the different cooling zones of cylinder head, effectively to cylinder
The higher several regions of lid thermic load cool down, and improve the cooling efficiency of cylinder head.
Engine provided by the invention uses above-mentioned cylinder head cooling jacket, and cooling water is reasonably allocated to cylinder head not
Same cooling zone, improves the cooling efficiency of cylinder head, and then ensure that the reliability of engine operation.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram at the first visual angle of cylinder head cooling jacket in the embodiment of the present invention；
Fig. 2 is the overall structure diagram at the second visual angle of cylinder head cooling jacket in the embodiment of the present invention；
Fig. 3 is the assembling structure schematic diagram at the first visual angle of cylinder head cooling jacket in the embodiment of the present invention；
Fig. 4 is the assembling structure schematic diagram at the second visual angle of cylinder head cooling jacket in the embodiment of the present invention；
Fig. 5 is the assembling structure schematic diagram at cylinder head cooling jacket third visual angle in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the first water jacket in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the second water jacket and third water jacket in the embodiment of the present invention；
Appended drawing reference:
The first water jacket of 1-, the first water inlet of 111-；
The second water inlet of 112-, the water outlet of 12- spark plug cooling end；
13- third water inlet, 1A- exhaust manifold cooling end；
1B- spark plug cooling end, the second water jacket of 2-；
The water inlet of the second water jacket of 21-, the first water outlet of 221-；
The second water outlet of 222-, 3- third water jacket；
The water inlet of 31- third water jacket, the water outlet of 32- third water jacket；
33- third water outlet, 34- connecting pipeline；
The first cooling end of 3A-, the second cooling end of 3B-；
3C- third cooling end, 41- flow type water jacket plug screw；
The closed water jacket plug screw of 42-, 5- machine pipeline.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiment obtained without creative labor belongs to the model that the present invention protects
It encloses.
Embodiment one
FIG. 1 to FIG. 7 is please referred to, cylinder head cooling jacket provided in this embodiment is installed in cylinder head, sets in cylinder head
There are exhaust manifold and multiple groups fuel injector corresponding with number of cylinders, air intake duct, exhaust duct and spark plug, the cylinder head is cooling
Water jacket includes the first water jacket 1, the second water jacket 2 and third water jacket 3.
Wherein, the first water jacket 1 includes exhaust manifold cooling end 1A, and exhaust manifold cooling end 1A and the second water jacket 2 are set respectively
In exhaust manifold two sides up and down and be connected to, cooling water from the water inlet 21 of the second water jacket flow into, through exhaust manifold cooling end 1A
Outflow is used for cooled exhaust manifold；Third water jacket 3 is around the ridge area of exhaust duct, spark plug area, the ridge area of air intake duct and spray
The setting of the area You Qi, and the water inlet 31 of third water jacket is set to the exhaust side of cylinder, cooling water is flowed from the water inlet 31 of third water jacket
Enter, and successively the ridge area of exhaust duct, spark plug area, the ridge area of air intake duct and fuel injector area are cooled down.
In cylinder head cooling jacket provided in an embodiment of the present invention, the exhaust manifold cooling end 1A and second of the first water jacket 1
Water jacket 2 is respectively arranged on the two sides up and down of exhaust manifold, is arranged around entire exhaust manifold, gas manifold cooling end 1A and the second water jacket
Cooling water in 2 fully carries out heat exchange with exhaust manifold, effectively cools exhaust manifold；Third water jacket 3 is around exhaust
The ridge area in road, spark plug area, the ridge area of air intake duct and the setting of fuel injector area, cooling water successively to the ridge area of exhaust duct,
Spark plug area, the ridge area of air intake duct and fuel injector area are cooled down, and cooling water has reasonably been assigned to the difference of cylinder head
Cooling zone, effectively several regions higher to cylinder head thermic load cool down, and improve the cooling efficiency of cylinder head.
In addition, exhaust manifold cooling end 1A is respectively equipped with the first water inlet 111 and in the exhaust outlet two sides of exhaust manifold
Two water inlets 112, the second water jacket 2 are respectively equipped with the first water outlet 221 and the second water outlet in the exhaust outlet two sides of exhaust manifold
222；First water inlet 111 and the first water outlet 221 using flow type water jacket plug screw 41 realize it is internal be connected to, outer closures, the
Two water inlets 112 and the second water outlet 222 realize that inner part every, outer closures, ensure that cold using closed water jacket plug screw 42
But the rate of heat exchange of water and exhaust pipe guarantees cooling；Meanwhile second water jacket 2 cooling water through the first water outlet 221, first into
The mouth of a river 111 flows into exhaust manifold cooling end 1A, cooling water in gas manifold cooling end 1A and the second water jacket 2 fully with exhaust
Manifold carries out heat exchange, effectively cools exhaust manifold.
Please refer to Fig. 5 or Fig. 6, in cylinder head cooling jacket provided in an embodiment of the present invention, the first water jacket 1 further includes spark
Cooling end 1B is filled in, spark plug cooling end 1B is integrally formed and is connected to exhaust manifold cooling end 1A, and cooling water is cold from exhaust manifold
But 1A flows to spark plug cooling end 1B；The end spark plug cooling end 1B is additionally provided with multiple water outlets 12, the i.e. water outlet of the first water jacket
Mouthful, the water outlet 12 of spark plug cooling end and the water outlet 32 of third water jacket are set on the air inlet side of cylinder, the cylinder body with cylinder
Water jacket inlet and outlet are corresponding, improve cooling water flow velocity and cooling efficiency, in addition, the spark plug of the first water jacket 1 is cooling
Portion 1B is set to above spark plug tip, and spark plug cooling end 1B can also be fully cooled the top half of spark plug, is dropped
The thermic load of low spark plug.
Please continue to refer to FIG. 1 to FIG. 7, in cylinder head cooling jacket provided in an embodiment of the present invention, around each cylinder
The water inlet of the one-to-one water outlet 12, the second water jacket for being equipped with the spark plug cooling end being connected with the cylinder body water jacket of cylinder
The water outlet 32 of mouth 21, the water inlet 31 of third water jacket and third water jacket.Wherein, the water outlet 12 of spark plug cooling end,
32 quantity of water outlet of the water inlet 21 of two water jackets, the water inlet 31 of third water jacket and third water jacket can be according to actual condition tune
It is whole, but each cylinder is equipped with cooling jacket, guarantees ridge area, spark plug area, the ridge area of air intake duct and the spray of exhaust duct
The rate of heat exchange and cooling efficiency in the thermic loads region such as area You Qi.
Please continue to refer to Fig. 5~Fig. 7, in cylinder head cooling jacket provided in an embodiment of the present invention, third water jacket 3 includes more
The interconnected refrigerating function component of group, the corresponding cylinder of each refrigerating function component, and each refrigerating function component packet
Include the first cooling end 3A, the second cooling end 3B and third cooling end 3C being sequentially communicated.
Wherein, the first cooling end 3A is set to above the ridge area of exhaust duct, and consistent with exhaust duct ridge area shape, defeated
Enter end and bend downward the water inlet 31 for connecting corresponding third water jacket, for being fully cooled the ridge area of exhaust duct；Second is cooling
Portion 3B is annular, is set on the outside of spark plug, for cooling down spark plug area；Third cooling end 3C is set on the ridge area of air intake duct
Side, and it is consistent with air intake duct ridge area shape, for being fully cooled the ridge area of air intake duct, third cooling end 3C output end to
It is lower to bend and be divided into two laterals, it is separately connected the water outlet 32 of corresponding third water jacket, which is divided into
The two sides of fuel injector, for being fully cooled fuel injector.In addition, the spark plug cooling end 1B of the first water jacket 1 is set to spark plug tip
The two sides of top, each second cooling end 3B are respectively communicated with spark plug cooling end 1B, buffered third water jacket 3 flow attack it
Outside, spark plug cooling end 1B can also be fully cooled the top half of spark plug, reduce the thermic load of spark plug.Third
Water jacket 3 is connected to spark plug cooling end 1B by machining pipeline 5, more corrosion-resistant than traditional sand core, and intensity is high, and more can
Guarantee the connection effect of third water jacket 3 and spark plug cooling end 1B.
Third water jacket 3 includes the refrigerating function component that multiple groups are interconnected, and each refrigerating function component corresponds to a cylinder,
Third water jacket 3 includes the refrigerating function component that multiple groups are interconnected, the second cooling end 3B of two adjacent refrigerating function components
Between be equipped with connecting pipeline 34, ensure that the ridge area of the corresponding air flue of each cylinder, spark plug area, air intake duct ridge area and
The rate of heat exchange and cooling efficiency in the thermic loads region such as fuel injector area, engine failure caused by avoiding because of overheat.In addition, first
Water jacket, the second water jacket and third water jacket are engraved structure, are radiated conducive to the thermic load region of cylinder head and cooling jacket, into one
Step improves the cooling efficiency of cylinder head.
Embodiment two
The embodiment of the present invention provides a kind of engine, the cylinder head being equipped in a upper embodiment in the cylinder head of the engine
Cooling water is reasonably allocated to the different cooling zones of cylinder head by cooling jacket, improves the cooling efficiency of cylinder head, and then guarantee
The reliability of engine operation.
In the description of above embodiment, particular features, structures, materials, or characteristics can be at any one or more
It can be combined in any suitable manner in a embodiment or example.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of cylinder head cooling jacket, which is characterized in that be installed in cylinder head, including the first water jacket, the second water jacket and
Three water jackets, the cylinder head are equipped with exhaust manifold and multiple groups fuel injector corresponding with number of cylinders, air intake duct, exhaust duct
And spark plug, wherein
First water jacket includes exhaust manifold cooling end, and the exhaust manifold cooling end and second water jacket are respectively arranged on institute
It states the two sides up and down of exhaust manifold and is connected to, cooling water is flowed into from the water inlet of second water jacket, cold through the exhaust manifold
But portion is flowed out, for cooling down the exhaust manifold；
The third water jacket is arranged around the ridge area of exhaust duct, spark plug area, the ridge area of air intake duct and fuel injector area, and institute
The water inlet for stating third water jacket is set to the exhaust side of the cylinder, and cooling water is flowed into from the water inlet of the third water jacket, and according to
It is secondary that the ridge area of the exhaust duct, the spark plug area, the ridge area of the air intake duct and the fuel injector area are cooled down.
2. cylinder head cooling jacket according to claim 1, which is characterized in that the exhaust manifold cooling end is in the row
The exhaust outlet two sides of gas manifold are respectively equipped with the first water inlet and the second water inlet, and second water jacket is in the exhaust manifold
Exhaust outlet two sides are respectively equipped with the first water outlet and the second water outlet；Connect inside first water inlet and first water outlet
It is logical, outer closures；Second water inlet and the second water outlet inner part are every outer closures；
The cooling water of second water jacket flows into the exhaust manifold cooling through first water outlet, first water inlet
Portion.
3. cylinder head cooling jacket according to claim 1, which is characterized in that first water jacket further includes that spark plug is cold
But portion, the spark plug cooling end are integrally formed and are connected to the exhaust manifold cooling end, and cooling water is from the exhaust manifold
Cooling end flows to the spark plug cooling end；Spark plug cooling end end is additionally provided with multiple water outlets, and the spark plug is cold
But the water outlet of the water outlet in portion and the third water jacket is set to the air inlet side of the cylinder.
4. cylinder head cooling jacket according to claim 3, which is characterized in that uniform a pair around each cylinder
The water inlet of the water outlet equipped with the spark plug cooling end being connected with the cylinder body water jacket of the cylinder, the second water jacket answered,
The water inlet of three water jackets and the water outlet of third water jacket.
5. cylinder head cooling jacket according to claim 3, which is characterized in that the third water jacket includes that multiple groups mutually interconnect
Logical refrigerating function component, the refrigerating function component include that the first cooling end, the second cooling end and third that are sequentially communicated are cold
But portion, wherein
First cooling end is consistent with exhaust duct ridge area shape, and input terminal bends downward the corresponding third water jacket of connection
Water inlet；First cooling end is set to above the ridge area of the exhaust duct；
Second cooling end is annular, is set on the outside of the spark plug；
The third cooling end is consistent with air intake duct ridge area shape, and output end bends downward and is divided into two branched pipes
Road is separately connected the water outlet of corresponding third water jacket；The third cooling end is set to above the ridge area of the air intake duct；Institute
State the two sides that lateral is divided into the fuel injector.
6. cylinder head cooling jacket according to claim 5, which is characterized in that the refrigerating function component of adjacent two
The second cooling end between be equipped with connecting pipeline.
7. cylinder head cooling jacket according to claim 5, which is characterized in that the spark plug cooling end of first water jacket
Above the spark plug tip, the two sides of each second cooling end are respectively communicated with the spark plug cooling end.
8. cylinder head cooling jacket according to claim 7, which is characterized in that the third water jacket and the spark plug are cold
But portion is connected to by way of machining pipeline.
9. cylinder head cooling jacket described in any claim in -8 according to claim 1, which is characterized in that first water
Set, second water jacket and the third water jacket are engraved structure.
10. a kind of engine, which is characterized in that be equipped with any power in the claims 1-8 in the cylinder head of the engine
Benefit requires the cylinder head cooling jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743489.4A CN110284990B (en) | 2019-08-13 | 2019-08-13 | Cylinder head cooling water jacket and engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743489.4A CN110284990B (en) | 2019-08-13 | 2019-08-13 | Cylinder head cooling water jacket and engine |
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| CN110284990A true CN110284990A (en) | 2019-09-27 |
| CN110284990B CN110284990B (en) | 2020-08-14 |
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ID=68025150
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Cited By (5)
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| CN110905645A (en) * | 2019-11-29 | 2020-03-24 | 柳州上汽汽车变速器有限公司柳东分公司 | Integrated double-runner exhaust manifold cylinder cover structure |
| CN111852682A (en) * | 2020-06-04 | 2020-10-30 | 浙江义利汽车零部件有限公司 | Engine cooling water jacket system, engine cooling method and vehicle |
| 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 |
| 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 |
| WO2022183861A1 (en) * | 2021-03-01 | 2022-09-09 | 比亚迪股份有限公司 | Engine and vehicle |
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Application publication date: 20190927 Assignee: Luzhou Rongda Intelligent Transmission Co.,Ltd. Assignor: Celes Group Co.,Ltd. Contract record no.: X2023500000006 Denomination of invention: Cylinder head cooling water jacket and engine Granted publication date: 20200814 License type: Exclusive License Record date: 20230608 |
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