CN114060165A - Engine of vehicle - Google Patents
Engine of vehicle Download PDFInfo
- Publication number
- CN114060165A CN114060165A CN202010776117.4A CN202010776117A CN114060165A CN 114060165 A CN114060165 A CN 114060165A CN 202010776117 A CN202010776117 A CN 202010776117A CN 114060165 A CN114060165 A CN 114060165A
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- Prior art keywords
- cylinder
- flow passage
- exhaust
- cooling
- engine
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- 238000001816 cooling Methods 0.000 claims abstract description 65
- 239000000110 cooling liquid Substances 0.000 claims abstract description 23
- 230000009471 action Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 239000002826 coolant Substances 0.000 claims description 33
- 230000000694 effects Effects 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009414 blockwork Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
-
- 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 invention discloses an engine of a vehicle, which comprises a cylinder; a cylinder block including an intake-side cylinder block and an exhaust-side cylinder block, a cooling flow passage being provided in the cylinder block, the cylinder block defining a cylinder arrangement space, wherein, a throttling structure is arranged in the cooling flow passage, after the cooling liquid flows into the cooling flow passage, most of the cooling liquid flowing into the cooling flow passage is used for cooling the exhaust side cylinder block under the action of the throttling structure, and the other part of the cooling liquid is used for cooling the intake side cylinder block, therefore, by arranging the throttling structure, compared with the prior art, the heat of the air inlet side cylinder body and the air exhaust side cylinder body can be effectively radiated, can ensure that the heat dissipation of the cylinder body is uniform, thereby leading the cylinder and the cylinder body to work at proper temperature, and further, the service life of the engine can be prolonged, the emission of the engine can be reduced, the effects of energy conservation and emission reduction can be achieved, and meanwhile, the oil consumption of the engine can be reduced.
Description
Technical Field
The invention relates to the field of vehicles, in particular to an engine of a vehicle.
Background
In the related art, an engine is provided on a vehicle, and the engine is provided with a cylinder and a cylinder head, and the cylinder head need to be cooled when the engine works. The flowing of the cooling liquid in the cylinder and the cylinder cover presents a mixed flowing mode, the high-heat area of the cylinder and the cylinder cover cannot be effectively radiated, the heat radiation of the cylinder and the cylinder cover is uneven, the cylinder and the cylinder cover cannot work at proper temperature, the service life of the engine is shortened, the emission of the engine is high, the effects of energy conservation and emission reduction cannot be achieved, and the oil consumption of the engine can be increased.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide an engine for a vehicle, which can uniformly dissipate heat from a cylinder, so that the cylinder can operate at an appropriate temperature, thereby prolonging the service life of the engine, and also can reduce the emission of the engine and the fuel consumption of the engine.
An engine of a vehicle according to the present invention includes: a cylinder; the cylinder block comprises an air inlet side cylinder block and an air outlet side cylinder block, a closed-loop cooling flow channel is arranged in the cylinder block, a cylinder arrangement space is limited by the cylinder block, the cylinder is arranged in the cylinder arrangement space, a throttling structure is arranged in the cooling flow channel, and after cooling liquid flows into the cooling flow channel, most of the cooling liquid flowing into the cooling flow channel is used for cooling the air outlet side cylinder block under the action of the throttling structure, and the other part of the cooling liquid cools the air inlet side cylinder block.
According to the vehicle engine, the throttling structure is arranged, so that the air inlet side cylinder body and the air exhaust side cylinder body can be effectively radiated, the cylinder bodies can be uniformly radiated, the air cylinder and the cylinder bodies can work at proper temperature, the service life of the engine can be prolonged, the emission of the engine can be reduced, the effects of energy conservation and emission reduction can be achieved, and the oil consumption of the engine can be reduced.
In some examples of the invention, the cooling flow passage comprises: the cylinder flow passage on the air inlet side is communicated with the cylinder flow passage on the air exhaust side, the cylinder flow passage on the air inlet side is arranged in the cylinder body on the air inlet side, and the cylinder flow passage on the air exhaust side is arranged in the cylinder body on the air exhaust side.
In some examples of the present invention, the intake side cylinder block is provided with a water inlet communicating with the intake side cylinder flow passage, and the throttle structure is provided in the intake side cylinder flow passage on a side of the water inlet.
In some examples of the present invention, the water inlet port is provided near an end of the intake-side cylinder flow passage, and the throttle structure is located on a side of the water inlet port remote from the exhaust-side cylinder flow passage.
In some examples of the invention, the throttle structure is formed by a side wall of the intake-side cylinder flow passage being concave.
In some examples of the invention, the exhaust-side cylinder block is provided with a first water outlet port that communicates with the exhaust-side cylinder flow passage, and the coolant flowing out of the first water outlet port is adapted to cool an oil cooler of the engine.
In some examples of the invention, the exhaust-side cylinder block is provided with a second water outlet port that communicates with the exhaust-side cylinder flow passage, and the coolant flowing out from the second water outlet port is adapted to cool a turbocharger of the engine.
In some examples of the invention, at least one first connection flow passage that divides the cylinder arrangement space into a plurality of sub-cylinder arrangement spaces is connected between the intake-side cylinder flow passage and the exhaust-side cylinder flow passage.
In some examples of the invention, the engine of the vehicle further comprises: a cylinder head, the cylinder head comprising: the cooling structure comprises a cylinder cover air inlet side body, a cylinder cover exhaust side upper body and a cylinder cover exhaust side lower body, wherein a cylinder cover air inlet side flow passage is defined in the cylinder cover air inlet side body, a cylinder cover exhaust side upper flow passage is defined in the cylinder cover exhaust side upper body, a cylinder cover exhaust side lower flow passage is defined in the cylinder cover exhaust side lower body, and the cylinder cover air inlet side flow passage, the cylinder cover exhaust side upper flow passage and the cylinder cover exhaust side lower flow passage are all communicated with the cooling flow passage through second connecting flow passages.
In some examples of the invention, the cylinder head is provided with a total water outlet port that communicates with each of the cylinder head intake side flow passage, the cylinder head exhaust side upper flow passage, and the cylinder head exhaust side lower flow passage.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic illustration of an assembly of a cooling flow passage and a cylinder head of an engine of a vehicle according to an embodiment of the invention;
FIG. 2 is a schematic illustration of a cooling flow path of an engine of a vehicle according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a cylinder head of an engine of a vehicle according to an embodiment of the present invention;
fig. 4 is a plan view of a cooling flow passage of an engine of a vehicle according to an embodiment of the present invention.
Reference numerals:
a cooling flow passage 23;
the cylinder arrangement space 24; the sub-cylinder arrangement space 241;
a throttle structure 25; an intake-side cylinder flow passage 26; an exhaust-side cylinder flow passage 27; a first water outlet 28; a second water outlet 29;
a cylinder head 3; a cylinder head intake side body 31; a cylinder head exhaust side upper body 32; and a cylinder head exhaust side lower body 33;
a first connecting flow passage 4; a second connecting flow passage 5; a water inlet 6; a main water outlet 7.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
An engine of a vehicle, which may be provided on the vehicle, according to an embodiment of the present invention will be described with reference to fig. 1 to 4.
As shown in fig. 1 to 4, an engine according to an embodiment of the present invention includes: a cylinder and a cylinder block. The cylinder block includes an intake-side cylinder block and an exhaust-side cylinder block, and it should be noted that the intake-side cylinder block and the exhaust-side cylinder block together form the cylinder block, and a closed-loop cooling flow passage 23 is provided in the cylinder block, and preferably, the cooling flow passage 23 may be defined by the cylinder block, but the present invention is not limited thereto, and the cooling flow passage 23 may also be embedded in the cylinder block. The cylinder block defines a cylinder arrangement space 24, the cylinders are disposed in the cylinder block, specifically, the cylinders are disposed in the cylinder arrangement space 24, the cooling flow passage 23 is disposed around the cylinder arrangement space 24, wherein a throttling structure 25 is disposed in the cooling flow passage 23, after the cooling liquid flows into the cooling flow passage 23, most of the cooling liquid flowing into the cooling flow passage 23 cools the exhaust-side cylinder block under the action of the throttling structure 25, and another part of the cooling liquid flowing into the cooling flow passage 23 cools the intake-side cylinder block, it can also be understood that under the action of the throttling structure 25, most of the cooling liquid flows through the exhaust-side cylinder block, and a small part of the cooling liquid flows through the intake-side cylinder block.
During operation of the engine, the heat of the exhaust-side cylinder block is greater than that of the intake-side cylinder block, that is, the temperature of the exhaust-side cylinder block is higher than that of the intake-side cylinder block. After the cooling liquid flows into the cooling channel 23, under the action of the throttling structure 25, the cooling liquid can flow in two parts, a small part of the cooling liquid flows through the air inlet side cylinder block to cool the air inlet side cylinder block, and a large part of the cooling liquid flows through the air outlet side cylinder block to cool the air outlet side cylinder block, so that the cooling liquid flowing into the cooling channel 23 can be reasonably distributed according to different heat dissipation amounts of the air inlet side and the air outlet side of the cylinder block. Compared with the prior art, set up like this and can effectively dispel the heat to admit air side cylinder block and exhaust side cylinder block, can make the cylinder block heat dissipation even, also can make admit air side cylinder block and exhaust side cylinder block temperature unanimous basically to can make cylinder and cylinder block work under the suitable temperature, and then can promote engine life, and, also can guarantee the intake charge of engine, can also guarantee the reasonable cooling of engine exhaust valve, can also make the quick warm-up of engine start-up in-process. Meanwhile, each part of the engine can work at the optimum temperature under the normal working condition, the emission of the engine can be reduced, the effects of energy conservation and emission reduction can be achieved, in addition, the combustion stability in the engine can be ensured, and the oil consumption of the engine can be reduced.
From this, through setting up throttle structure 25, can make the coolant flow that flows into in cooling channel 23 according to the side cylinder block of admitting air, the different heat fluxes of exhaust side cylinder block can the rational distribution, realize the accurate cooling control to the high hot zone of cylinder block, compared with the prior art, can effectively dispel the heat to the side cylinder block of admitting air and exhaust side cylinder block, can make the cylinder block heat dissipation even, thereby can make cylinder and cylinder block work under the suitable temperature, and then can promote engine life, and, also can make the emission of engine reduce, can reach energy saving and emission reduction's effect, simultaneously, also can reduce the oil consumption of engine.
In some embodiments of the present invention, as shown in fig. 2, the cooling flow channel 23 may include: the cylinder cooling system comprises an air inlet side cylinder flow passage 26 and an air outlet side cylinder flow passage 27, wherein the air inlet side cylinder flow passage 26 is communicated with the air outlet side cylinder flow passage 27, the air inlet side cylinder flow passage 26 is arranged in an air inlet side cylinder body, the air outlet side cylinder flow passage 27 is arranged in an air outlet side cylinder body, the air inlet side cylinder flow passage 26 and the air outlet side cylinder flow passage 27 jointly form an annular cooling flow passage 23, the heads and the tails of the air inlet side cylinder flow passage 26 and the air outlet side cylinder flow passage 27 are sequentially communicated, the cooling flow passage 23 can be arranged in such a way, after cooling liquid flows into the cooling flow passage 23, the cylinder body can be uniformly cooled, the air inlet side cylinder body and the air outlet side cylinder body can be precisely cooled, the cylinder body can be prevented from being locally over-heated, and the transverse uniform deformation of a cylinder sleeve of the cylinder body during working can be further ensured.
In some embodiments of the present invention, as shown in fig. 2, the intake-side cylinder block may be provided with a water inlet 6 communicated with the intake-side cylinder flow passage 26, and the throttling structure 25 may be disposed in the intake-side cylinder flow passage 26 and located at one side of the water inlet 6, where the coolant can enter the intake-side cylinder flow passage 26 through the water inlet 6, and the throttling structure 25 is located at one side of the water inlet 6, so that the throttling structure 25 can achieve flow control of the coolant entering the cooling flow passage 23 from the water inlet 6, and thus the flow of the coolant can be reasonably distributed according to different heat dissipation amounts of the intake-side cylinder block and the exhaust-side cylinder block, so that the temperature fields of the intake-side cylinder block and the exhaust-side cylinder block are substantially uniform, the thermal efficiency of the engine can be improved, and the emission and the fuel consumption of the engine can be reduced.
In some embodiments of the present invention, the water inlet 6 may be disposed near an end of the air intake side cylinder flow passage 26, the throttle structure 25 is disposed at a side of the water inlet 6 away from the air exhaust side cylinder flow passage 27, it should be noted that, as shown in fig. 2, the water inlet 6 may be disposed near a front end of the air intake side cylinder flow passage 26, the throttle structure 25 is disposed at a rear side of the water inlet 6, after the coolant flows into the air intake side cylinder flow passage 26 from the water inlet 6, under the action of the throttle structure 25, a small portion of the coolant flows through the throttle structure 25 to cool the air intake side cylinder block, and a large portion of the coolant flows into the air exhaust side cylinder flow passage 27 to cool the air exhaust side cylinder block, which can better control the coolant split flow in the cooling flow passage 23, so that the coolant is more accurately distributed into the air intake side cylinder flow passage 26 and the air exhaust side cylinder flow passage 27, thereby better distributing the coolant to the air intake side cylinder block, The exhaust side cylinder body is cooled, and therefore the engine can be better guaranteed to be at the best working temperature.
In some embodiments of the present invention, the throttling structure 25 may be formed by an inner wall of the intake-side cylinder flow passage 26 being concave, and certainly, the throttling structure 25 may also be directly disposed on the inner wall of the intake-side cylinder flow passage 26, so that the arrangement of the throttling structure 25 can be realized, and the throttling structure 25 facilitates production of the cylinder block on the premise of satisfying flow control of the coolant flowing into the cooling flow passage 23, and can reduce production cost of the cylinder block, and also can improve production efficiency of the cylinder block.
In some embodiments of the present invention, as shown in fig. 2, the exhaust side cylinder block may be provided with a first water outlet 28 communicating with the exhaust side cylinder flow passage 27, the first water outlet 28 may be directly defined by the exhaust side cylinder block, after the coolant flows into the exhaust side cylinder flow passage 27, the coolant in the exhaust side cylinder flow passage 27 can flow out from the first water outlet 28, and the coolant flowing out from the first water outlet 28 is suitable for cooling an oil cooler of the engine, and it can also be understood that the coolant flows out for cooling the oil cooler through the first water outlet 28 communicating with the exhaust side cylinder flow passage 27, preferably, the first water outlet 28 may be arranged at the bottom of the exhaust side cylinder block, and it can also be understood that the first water outlet 28 may be arranged near the lower end of the exhaust side cylinder block, so that the cooling requirement of the cylinder block can be ensured, and the cooling of the oil cooler can be realized, can solve the cooling problem of oil cooler, simultaneously, can also make things convenient for the coolant liquid in the exhaust side cylinder runner 27 to flow out from first delivery port 28, can guarantee to cool down the oil cooler.
In some embodiments of the present invention, as shown in fig. 2, the exhaust side cylinder block may be provided with a second water outlet 29 communicating with the exhaust side cylinder flow passage 27, and the coolant flowing out from the second water outlet 29 is suitable for cooling a turbocharger of the engine, wherein the second water outlet 29 may be directly defined by the exhaust side cylinder block, the coolant in the exhaust side cylinder flow passage 27 can flow out from the second water outlet 29 after flowing into the exhaust side cylinder flow passage 27, the coolant flowing out from the second water outlet 29 may be used for cooling the turbocharger, preferably, the second water outlet 29 may be provided near the rear end of the exhaust side cylinder block, the first water outlet 28 may be provided near the front end of the exhaust side cylinder block, such an arrangement may increase the flow of the coolant around each cylinder, may enhance the cooling effect on each cylinder, and may solve the problem of the excessive flow rate of the coolant around each cylinder, also, the problem of cooling of the turbocharger can be solved.
In some embodiments of the present invention, as shown in fig. 2, at least one first connection flow passage 4 may be connected between the intake-side cylinder flow passage 26 and the exhaust-side cylinder flow passage 27, and the first connection flow passage 4 may divide the cylinder arrangement space 24 into a plurality of sub-cylinder arrangement spaces 241. The intake side cylinder flow passage 26 and the exhaust side cylinder flow passage 27 may be connected by a first connection flow passage 4, preferably, the first connection flow passage 4 may be three, the three first connection flow passages 4 may be respectively connected between a cylinder nose area of the intake side cylinder flow passage 26 and a cylinder nose area of the exhaust side cylinder flow passage 27, the three first connection flow passages 4 may divide the cylinder arrangement space 24 into four sub-cylinder arrangement spaces 241, one cylinder is provided in each sub-cylinder arrangement space 241, after the coolant flows into the cooling flow passage 23, the coolant may flow into the first connection flow passage 4, so as to cool a high-heat area of the cylinder nose area, and it may be ensured that the temperature of the nose bridge area is not too high, and further, oil dilution of the engine may be weakened, and friction work of the engine may also be reduced. In addition, the first connecting flow passage 4 is arranged between two adjacent cylinders, so that the cylinders can be cooled better.
In some embodiments of the present invention, as shown in fig. 1 and 3, the engine may further include: the cylinder head 3, the cylinder head 3 may include: the cooling structure comprises a cylinder cover air inlet side body 31, a cylinder cover exhaust side upper body 32 and a cylinder cover exhaust side lower body 33, wherein a cylinder cover air inlet side flow passage can be defined in the cylinder cover air inlet side body 31, a cylinder cover exhaust side upper flow passage can be defined in the cylinder cover exhaust side upper body 32, a cylinder cover exhaust side lower flow passage can be defined in the cylinder cover exhaust side lower body 33, and the cylinder cover air inlet side flow passage, the cylinder cover exhaust side upper flow passage and the cylinder cover exhaust side lower flow passage can be communicated with the cooling flow passage 23 through a second connecting flow passage 5.
It should be noted that the second connection flow path 5 may be provided in plural, at least one second connection flow path 5 of the plural second connection flow paths 5 communicates with the cylinder head intake side flow path and the cooling flow path 23, at least one second connection flow path 5 of the plural second connection flow paths 5 communicates with the cylinder head exhaust side upper flow path and the cooling flow path 23, at least one second connection flow path 5 of the plural second connection flow paths 5 communicates with the cylinder head exhaust side lower flow path and the cooling flow path 23, and after the coolant flows into the cooling flow path 23, a part of the coolant flows from the second connection flow path 5 into the cylinder head intake side flow path, a part of the coolant flows from the second connection flow path 5 into the cylinder head exhaust side upper flow path, and a part of the coolant flows from the second connection flow path 5 into the cylinder head exhaust side lower flow path, the cylinder head intake side flow path, the cylinder head exhaust side upper flow path, and the cylinder head exhaust side upper flow path, The cylinder head exhaust side lower runners are in a substantially independent state from each other. This arrangement enables the coolant to cool the cylinder head 3, and the intake side of the engine can be kept at a sufficiently low temperature, so that the intake charge of the engine can be satisfied. The cooling liquid flowing through the upper flow passage of the exhaust side of the cylinder cover and the lower flow passage of the exhaust side of the cylinder cover mainly cools the exhaust valve and the integrated exhaust manifold, so that the rapid warming-up of the engine can be met, and the sufficient cooling liquid can be ensured to cool the cylinder cover of the exhaust side, the exhaust manifold and the exhaust valve, so that the reliability of the engine can be improved. At the same time, stratified cooling of the cylinder block and the cylinder head 3 is achieved, and independent cooling of the cylinder head intake side body 31, the cylinder head exhaust side upper body 32, and the cylinder head exhaust side lower body 33 of the cylinder head 3 is substantially achieved, so that they all have an optimum operating temperature.
In some embodiments of the present invention, as shown in fig. 1 and 3, the cylinder head 3 may be provided with a total water outlet 7, and the total water outlet 7 is communicated with the cylinder head intake side flow passage, the cylinder head exhaust side upper flow passage, and the cylinder head exhaust side lower flow passage, wherein the coolant in the cylinder head intake side flow passage, the cylinder head exhaust side upper flow passage, and the cylinder head exhaust side lower flow passage can flow out through the total water outlet 7, so as to take away heat on the cylinder head 3 and the cylinder block, and the cylinder head intake side body 31, the cylinder head exhaust side upper body 32, and the cylinder head exhaust side lower body 33 can all have optimum working temperatures, so that the engine has high thermal efficiency, low exhaust, low fuel consumption, and long service life.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An engine for a vehicle, comprising:
a cylinder;
the cylinder block comprises an air inlet side cylinder block and an air outlet side cylinder block, a closed-loop cooling flow channel is arranged in the cylinder block, a cylinder arrangement space is limited by the cylinder block, the cylinder is arranged in the cylinder arrangement space, a throttling structure is arranged in the cooling flow channel, and after cooling liquid flows into the cooling flow channel, most of the cooling liquid flowing into the cooling flow channel is used for cooling the air outlet side cylinder block under the action of the throttling structure, and the other part of the cooling liquid cools the air inlet side cylinder block.
2. The vehicle engine of claim 1, wherein the cooling flow path comprises: the cylinder flow passage on the air inlet side is communicated with the cylinder flow passage on the air exhaust side, the cylinder flow passage on the air inlet side is arranged in the cylinder body on the air inlet side, and the cylinder flow passage on the air exhaust side is arranged in the cylinder body on the air exhaust side.
3. The vehicle engine according to claim 2, wherein the intake side cylinder block is provided with a water inlet that communicates with the intake side cylinder flow passage, and the throttle structure is provided in the intake side cylinder flow passage on a side of the water inlet.
4. The vehicle engine according to claim 3, characterized in that the water inlet port is provided near an end of the intake-side cylinder flow passage, and the throttle structure is located on a side of the water inlet port remote from the exhaust-side cylinder flow passage.
5. The vehicle engine of claim 3, characterized in that the throttle structure is formed by a side wall of the intake-side cylinder flow passage being concave.
6. The vehicle engine of claim 2, characterized in that the exhaust-side cylinder block is provided with a first water outlet port that communicates with the exhaust-side cylinder flow passage, and the coolant that flows out from the first water outlet port is adapted to cool an oil cooler of the engine.
7. The vehicle engine according to claim 2, characterized in that the exhaust-side cylinder block is provided with a second water outlet port that communicates with the exhaust-side cylinder flow passage, and the coolant that flows out from the second water outlet port is adapted to cool a turbocharger of the engine.
8. The engine of the vehicle according to claim 2, characterized in that at least one first connection flow passage is connected between the intake-side cylinder flow passage and the exhaust-side cylinder flow passage, the first connection flow passage dividing the cylinder arrangement space into a plurality of sub-cylinder arrangement spaces.
9. The engine of the vehicle according to claim 2, characterized by further comprising: a cylinder head, the cylinder head comprising: the cooling structure comprises a cylinder cover air inlet side body, a cylinder cover exhaust side upper body and a cylinder cover exhaust side lower body, wherein a cylinder cover air inlet side flow passage is defined in the cylinder cover air inlet side body, a cylinder cover exhaust side upper flow passage is defined in the cylinder cover exhaust side upper body, a cylinder cover exhaust side lower flow passage is defined in the cylinder cover exhaust side lower body, and the cylinder cover air inlet side flow passage, the cylinder cover exhaust side upper flow passage and the cylinder cover exhaust side lower flow passage are all communicated with the cooling flow passage through second connecting flow passages.
10. The vehicle engine of claim 9, wherein the cylinder head is provided with a total water outlet that communicates with each of the cylinder head intake side flow passage, the cylinder head exhaust side upper flow passage, and the cylinder head exhaust side lower flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776117.4A CN114060165A (en) | 2020-08-05 | 2020-08-05 | Engine of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776117.4A CN114060165A (en) | 2020-08-05 | 2020-08-05 | Engine of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114060165A true CN114060165A (en) | 2022-02-18 |
Family
ID=80232208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010776117.4A Pending CN114060165A (en) | 2020-08-05 | 2020-08-05 | Engine of vehicle |
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| CN (1) | CN114060165A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10131803A (en) * | 1996-11-01 | 1998-05-19 | Daihatsu Motor Co Ltd | Cooler for cylinder |
| CN203655453U (en) * | 2013-11-20 | 2014-06-18 | 浙江吉利汽车研究院有限公司 | Cooling structure for automobile engine |
| CN105569795A (en) * | 2014-10-29 | 2016-05-11 | 现代自动车株式会社 | Engine cooling system |
| CN108131212A (en) * | 2017-12-29 | 2018-06-08 | 浙江吉利罗佑发动机有限公司 | Engine cool nested structure |
| CN207485550U (en) * | 2017-10-26 | 2018-06-12 | 东风汽车公司 | It is pressurized directly jetting gasoline engine water jacket cooling structure |
| 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 |
-
2020
- 2020-08-05 CN CN202010776117.4A patent/CN114060165A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10131803A (en) * | 1996-11-01 | 1998-05-19 | Daihatsu Motor Co Ltd | Cooler for cylinder |
| CN203655453U (en) * | 2013-11-20 | 2014-06-18 | 浙江吉利汽车研究院有限公司 | Cooling structure for automobile engine |
| CN105569795A (en) * | 2014-10-29 | 2016-05-11 | 现代自动车株式会社 | Engine cooling system |
| CN207485550U (en) * | 2017-10-26 | 2018-06-12 | 东风汽车公司 | It is pressurized directly jetting gasoline engine water jacket cooling structure |
| CN108131212A (en) * | 2017-12-29 | 2018-06-08 | 浙江吉利罗佑发动机有限公司 | Engine cool nested structure |
| 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 |
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