CN110454269A - A kind of engine-cooling system - Google Patents
A kind of engine-cooling system Download PDFInfo
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- CN110454269A CN110454269A CN201910651556.XA CN201910651556A CN110454269A CN 110454269 A CN110454269 A CN 110454269A CN 201910651556 A CN201910651556 A CN 201910651556A CN 110454269 A CN110454269 A CN 110454269A
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- cylinder
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- engine
- water inlet
- block
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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
- F01P3/02—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
- F01P2003/027—Cooling cylinders and cylinder heads in parallel
Abstract
The present invention relates to technical field of engines, disclose a kind of engine-cooling system.Engine-cooling system provided by the invention, on the one hand, coolant liquid can be divided into two parts, a part is entered in block jacket by cylinder block water inlet, another part is entered in cylinder head jacket by cylinder head water inlet, the fission cooling to block jacket and cylinder head jacket is realized, and then is conducive to rapid warming-up, improves engine fuel economy；On the other hand, coolant liquid can form cylinder block crossing current along the width direction of block jacket, coolant liquid can form cylinder head crossing current along the width direction of cylinder head jacket simultaneously, and the crossing current of coolant liquid is conducive to cool down coolant liquid independently to each cylinder, effectively avoid the cooled liquid band of the heat of upstream cylinder to downstream cylinder, to be conducive to the temperature difference of the temperature difference and each cylinder air inlet side and exhaust side between reduction cylinder, keep each cylinder cooling more uniform, the dynamic property for promoting engine, improves the fuel economy of engine.
Description
Technical field
The present invention relates to technical field of engines more particularly to a kind of engine-cooling systems.
Background technique
Engine-cooling system mainly has following effect: the waste heat generated when (1) needing engine work
It takes away in time, to avoid the generation of various bad phenomenons；(2) in engine cold-start, engine is made to reach normal work as early as possible
Make temperature (rapid warming-up), to reduce engine friction horsepower, improves engine fuel economy.In recent years, with gasoline engine
Machine develops to the direction of high compression ratio, high explosion pressure, also proposed to petrol engine design of Cooling System more harsh
It is required that: i.e. each cylinder cooling of engine is more uniform, and then improves engine cylinder by cylinder uniformity, realizes and promotes engine power
Property, improve the purpose of engine fuel economy.
But in existing engine-cooling system, the type of flow of coolant liquid can not guarantee that each cylinder is cold well
But uniformity, and then affect the power performance and the economy performance of engine.
Therefore, the novel engine-cooling system of one kind is needed to solve the above technical problems.
Summary of the invention
Based on the above, the purpose of the present invention is to provide a kind of engine-cooling systems, compared with prior art,
It can not only realize that the fission of block jacket and cylinder head jacket is cooling, and each cylinder cooling of engine can be made more equal
It is even, and then improve engine cylinder by cylinder uniformity, engine power performance is promoted, engine fuel economy is improved.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of engine-cooling system, comprising:
Block jacket is provided with cylinder block water inlet and cylinder block water outlet, the cylinder block water inlet setting
In the exhaust side of cylinder block, the cylinder block water outlet is set to the air inlet side of the cylinder block, and coolant liquid can be along the gas
The width direction of cylinder body water jacket flow to the cylinder block water outlet by the cylinder block water inlet and forms cylinder block crossing current；
Cylinder head jacket is provided with cylinder head water inlet and cylinder head water outlet, the cylinder head water inlet setting
In the exhaust side of cylinder head, the cylinder head water outlet is set to the air inlet side of the cylinder head, the cylinder head water inlet with
The cylinder block water inlet connection, the coolant liquid can be by the cylinder head water inlet along the width side of the cylinder head jacket
Cylinder head crossing current is formed to the cylinder head water outlet is flow to.
Further, full cross-flow passes are provided in the cylinder head jacket, the full cross-flow passes are threaded through each gas
The two sides of cylinder can flow to the cylinder by the full cross-flow passes by the coolant liquid that the cylinder head water inlet flows into
Lid water outlet.
Further, the cylinder block cross-flow passes being connected and the vertical circulation of cylinder block are provided in the block jacket
Road, the cylinder block cross-flow passes are threaded through the two sides of each cylinder, and the cylinder block indulges circulation road along the orientation of cylinder
Setting can pass through the cylinder block cross-flow passes and the cylinder block by the coolant liquid that the cylinder block water inlet flows into
Vertical circulation road flow to the cylinder block water outlet.
Further, engine water inlet and engine water outlet, the engine are provided in the block jacket
Water inlet is set to the exhaust side of the cylinder block, and the engine water outlet is set to the air inlet side of the cylinder block, described
Coolant liquid can be flow to the cylinder block water inlet and the cylinder head water inlet, the coolant liquid by the engine water inlet
The engine water outlet can be flow to by the cylinder block water outlet and the cylinder head water outlet.
Further, it is provided with catch basin in the block jacket, by the described cold of cylinder head water outlet outflow
But liquid can flow to the engine water outlet by the catch basin.
Further, the quantity of the cylinder head water outlet is multiple, and the cylinder head water outlet and engine
Cylinder is arranged in a one-to-one correspondence, and multiple collection water spots, the collection water spot and the cylinder head water outlet one are provided on the catch basin
One is correspondingly arranged, and can be flowed by the corresponding collection water spot by the coolant liquid of each cylinder head water outlet outflow
In the catch basin.
Further, be provided in the block jacket guiding gutter, the cylinder block water inlet and the cylinder head into
The mouth of a river is connected to the guiding gutter, and the coolant liquid entered by the engine water inlet can be flow to by the guiding gutter
The cylinder block water inlet and the cylinder head water inlet.
Further, the quantity of the cylinder head water inlet is multiple, and an institute is arranged between the two neighboring cylinder
Cylinder head water inlet is stated, multiple upper water spots are provided on the guiding gutter, the upper water spot and the cylinder head water inlet are one by one
It is correspondingly arranged, the coolant liquid flowed out by the guiding gutter can be flow to the corresponding cylinder head water inlet by the upper water spot
Mouthful.
Further, it is additionally provided with exhaust manifold cooling duct in the cylinder head jacket, by the cylinder head water inlet
The coolant liquid flowed into can be flow in the full cross-flow passes by the exhaust manifold cooling duct.
Further, it is provided with busway in the block jacket, as described in cylinder head water outlet outflow
Coolant liquid flows into the busway after passing through the catch basin, then passes to the engine water outlet.
The invention has the benefit that
Engine-cooling system provided by the invention, on the one hand, coolant liquid can be divided into two parts, and a part passes through cylinder
Body water inlet enters in block jacket, and another part is entered in cylinder head jacket by cylinder head water inlet, Ke Yidan
The solely coolant liquid in control block jacket and cylinder head jacket realizes cold to the fission of block jacket and cylinder head jacket
But, and then be conducive to that engine is made to realize rapid warming-up in cold start-up, improve engine fuel economy；On the other hand, cold
But liquid can flow to cylinder block water outlet by cylinder block water inlet along the width direction of block jacket and form cylinder block crossing current, together
When coolant liquid can along cylinder head jacket width direction by cylinder head water inlet flow to cylinder head water outlet formed cylinder head cross
Stream, and the crossing current of coolant liquid is conducive to cool down coolant liquid independently to each cylinder, effectively avoids the cylinder of upstream
Heat is cooled liquid band to the cylinder in downstream, causes the cylinder in downstream that cannot be cooled down well, to be conducive to reduce cylinder
Between the temperature difference and each cylinder air inlet side and exhaust side the temperature difference, keep the cooling of each cylinder more uniform, promote the uniformity of engine operation, together
The dynamic property of Shi Tisheng engine improves the fuel economy of engine.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is the working principle diagram of engine-cooling system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of block jacket provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of cylinder head jacket provided in an embodiment of the present invention；
Fig. 4 be engine cylinder between the temperature difference and each cylinder air inlet side and exhaust side temperature difference schematic diagram.
In figure:
1- block jacket；11- cylinder block water inlet；12- cylinder block water outlet；13- cylinder block cross-flow passes；14- gas
Cylinder body indulges circulation road；The engine water inlet 15-；16- engine water outlet；17- catch basin；171- collection water spot；18- guiding gutter；
The upper water spot of 181-；The busway 19-；
2- cylinder head jacket；21- cylinder head water inlet；The 211- cylinder head advance mouth of a river；Water inlet in 212- cylinder head；
Water inlet after 213- cylinder head；22- cylinder head water outlet；Mono- cylinder water outlet of 221-；222- two cylinder water outlet；The water outlet of tri- cylinder of 223-
Mouthful；Tetra- cylinder water outlet of 224-；The full cross-flow passes of 23-；The full cross-flow passes entrance of mono- cylinder of 231-；The full cross-flow passes of 232- two cylinder enter
Mouthful；The full cross-flow passes entrance of tri- cylinder of 233-；The full cross-flow passes entrance of tetra- cylinder of 234-；24- exhaust manifold cooling duct；
3- water pump；
4- control valve.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second " etc.
It is used for description purposes only, or for distinguishing different structure or component, is not understood to indicate or imply relative importance.Its
In, term " first position " and " second position " etc. are two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connection,
It is also possible to be electrically connected；It can be directly connected, can also can be inside two elements indirectly connected through an intermediary
Connection.For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
As shown in Figure 1-Figure 3, it the present embodiment provides a kind of engine-cooling system, can be applied in petrol engine.
Specifically, engine-cooling system includes block jacket 1 and cylinder head jacket 2, be provided in block jacket 1 cylinder block into
The mouth of a river 11 and cylinder block water outlet 12, cylinder block water inlet 11 are set to the exhaust side of cylinder block, and cylinder block water outlet 12 is arranged
In the air inlet side of cylinder block, coolant liquid can flow to cylinder block by cylinder block water inlet 11 along the width direction of block jacket 1
Water outlet 12 forms cylinder block crossing current.Cylinder head water inlet 21 and cylinder head water outlet 22, cylinder are provided in cylinder head jacket 2
Lid water inlet 21 is set to the exhaust side of cylinder head, and cylinder head water outlet 22 is set to the air inlet side of cylinder head, cylinder head water inlet
Mouth 21 is connected to cylinder block water inlet 11, and coolant liquid can be by cylinder head water inlet 21 along the width direction stream of cylinder head jacket 2
Cylinder head crossing current is formed to cylinder head water outlet 22.
Engine-cooling system provided in this embodiment, on the one hand, coolant liquid can be divided into two parts, and a part passes through gas
Cylinder body water inlet 11 enters in block jacket 1, and another part enters cylinder head jacket 2 by cylinder head water inlet 21
It is interior, the coolant liquid in block jacket 1 and cylinder head jacket 2 can be individually controlled, is realized to block jacket 1 and cylinder head
The fission of water jacket 2 is cooling, and then is conducive to that engine is made to realize rapid warming-up in cold start-up, improves engine fuel economy
Property；On the other hand, coolant liquid can flow to cylinder block water outlet by cylinder block water inlet 11 along the width direction of block jacket 1
12 form cylinder block crossing current, while coolant liquid can flow to gas by cylinder head water inlet 21 along the width direction of cylinder head jacket 2
Cylinder cap water outlet 22 forms cylinder head crossing current, and the crossing current of coolant liquid is conducive to keep coolant liquid independently cold to the progress of each cylinder
But, it effectively avoids the heat of the cylinder of upstream from being cooled liquid band to the cylinder in downstream, causes the cylinder in downstream that cannot obtain very well
Ground is cooling, to be conducive to the temperature difference of the temperature difference and each cylinder air inlet side and exhaust side between reduction cylinder, keeps each cylinder cooling more uniform, mentions
The uniformity of engine operation has been risen, while having improved the dynamic property of engine, has improved the fuel economy of engine.
Engine-cooling system provided in this embodiment further includes water pump 3, can be flowed into and be started by the coolant liquid of water pump 3
Machine water inlet 15.Water pump 3 can be standard machinery formula water pump, clutch type water pump, electric water pump etc., and this is not restricted.
Engine-cooling system provided in this embodiment further includes control valve 4, and control valve 4 is set to engine water outlet 16
Place.According to engine real-world operation operating condition, control valve 4 carries out the coolant liquid for flowing through block jacket 1 and cylinder head jacket 2 single
Solely control can be realized to the cooling control of fission that block jacket 1 and cylinder head jacket 2 are in parallel.Control valve 4 can be wax formula
Thermostat, electronic thermostat, thermal management module etc. can control the valve body of coolant liquid on-off.
Since the present embodiment is directed to four cylinder engine, so being explained by taking four cylinder engine as an example below
It is bright.In other embodiments, it is cold can also to design corresponding engine according to the principle of the present embodiment for the engine of other cylinder numbers
But system.
Preferably, full cross-flow passes 23 are provided in cylinder head jacket 2, full cross-flow passes 23 are threaded through the two of each cylinder
Side, the coolant liquid flowed by cylinder head water inlet 21 can flow to cylinder head water outlet 22 by full cross-flow passes 23.Such as Fig. 4 institute
Show, Δ t1-2Indicate the temperature difference between a cylinder and two cylinder, Δ t2-3Indicate the temperature difference between two cylinder and three cylinders, Δ t3-4Indicate three cylinders
With the temperature difference between four cylinders, Δ t1Indicate the temperature difference of a cylinder air inlet side and a cylinder exhaust side, Δ t2Indicate two cylinder air inlet side and two cylinder
The temperature difference of exhaust side, Δ t3Indicate the temperature difference of three cylinder air inlet sides and three cylinder exhaust sides, Δ t4Indicate four cylinder air inlet sides and the exhaust of four cylinders
The temperature difference of side, the main body of each cylinder coolant liquid in cylinder head jacket 2 can be made to flow to by full cross-flow passes 23 is crossing current, thus
The temperature difference (Δ t between reduction cylinder1-2、Δt2-3With Δ t3-4) and each cylinder air inlet side and exhaust side the temperature difference (Δ t1、Δt2、Δt3And Δ
t4), it is effectively improved engine operation uniformity, promotes the dynamic property of engine, improves the fuel economy of engine.
Specifically, full cross-flow passes 23 include the full cross-flow passes entrance 231 of a cylinder, the full cross-flow passes entrance 232, three of two cylinder
The full cross-flow passes entrance 233 of cylinder and the full cross-flow passes entrance 234 of four cylinders, coolant liquid are entered by four full cross-flow passes entrances
In the full cross-flow passes 23 of corresponding cylinder body, realize to portions such as corresponding head combustion chamber, inlet and exhaust valve, spark plug, fuel injectors
The cooling of position.
Preferably, it is provided with the cylinder block cross-flow passes 13 being connected in block jacket 1 and cylinder block indulges circulation road 14,
Cylinder block cross-flow passes 13 are threaded through the two sides of each cylinder, and cylinder block is indulged circulation road 14 and is arranged along the orientation of cylinder, by
The coolant liquid that cylinder block water inlet 11 flows into can indulge circulation road 14 by cylinder block cross-flow passes 13 and cylinder block and flow to cylinder
Body water outlet 12.I.e. cylinder block cross-flow passes 13 and cylinder block, which indulge circulation road 14, can surround the circumferential direction of each cylinder.It needs
It is bright, in the present embodiment, although not being full cross-flow design in block jacket 1, pass through cylinder block cross-flow passes 13
It can be realized the crossing current of the width direction along block jacket 1, be still conducive to improve the cooling uniformity of each cylinder.
As Figure 1-Figure 2, it is provided with engine water inlet 15 and engine water outlet 16 in block jacket 1, started
Machine water inlet 15 is set to the exhaust side of cylinder block, and engine water outlet 16 is set to the air inlet side of cylinder block, and coolant liquid can
Cylinder block water inlet 11 and cylinder head water inlet 21 are flow to by engine water inlet 15, coolant liquid can be by cylinder block water outlet 12
Engine water outlet 16 is flow to cylinder head water outlet 22.Engine water outlet 16 is arranged in block jacket 1, is conducive to
Guarantee to realize full crossing current in cylinder head jacket 2.Certainly, in other embodiments, engine water inlet 15 also can be set in gas
The exhaust side of cylinder block, while corresponding exchange cylinder block water inlet 11 is arranged in the air inlet side of cylinder body, engine water outlet 16
With the position of cylinder block water outlet 12 and cylinder head water inlet 21 and cylinder head water outlet 22.
Preferably, it as shown in Figure 1, being provided with catch basin 17 in block jacket 1, is flowed out by cylinder head water outlet 22 cold
But liquid can flow to engine water outlet 16 by catch basin 17.Catch basin 17 can play the collecting action to coolant liquid, make
Coolant liquid from cylinder head water outlet 22 is discharged by engine water outlet 16.
Preferably, the quantity of cylinder head water outlet 22 is multiple, and the cylinder one of cylinder head water outlet 22 and engine
One is correspondingly arranged, and multiple collection water spots 171 are provided on catch basin 17, and collection water spot 171 is set with the one-to-one correspondence of cylinder head water outlet 22
It sets, the coolant liquid flowed out by each cylinder head water outlet 22 can be flowed into catch basin 17 by corresponding collection water spot 171.It is i.e. every
A cylinder has individual 22 sum aggregate water spot 171 of cylinder head water outlet, and most of coolant liquid can be directly from corresponding cylinder head
22 sum aggregate water spot 171 of water outlet flows into catch basin 17, to be advantageously implemented the full crossing current in cylinder head jacket 2, reduces
Influence between each cylinder effectively avoids the heat of the cylinder of upstream from being cooled liquid band to the cylinder in downstream, improves cylinder head jacket 2
Cooling uniformity.
Specifically, as shown in figure 3, multiple cylinder head water outlets 22 be respectively a cylinder water outlet 221, two cylinder water outlet 222,
Three cylinder water outlets 223 and four cylinder water outlets 224.By taking a cylinder as an example, the coolant liquid that is flowed out by a cylinder water outlet 221 can by with
Its corresponding collection water spot 171 is flow in catch basin 17.The principle of remaining two cylinder, three cylinders and four cylinders is identical as a cylinder.
Preferably, as shown in Figure 1, being provided with guiding gutter 18 in block jacket 1, cylinder block water inlet 11 and cylinder head into
The mouth of a river 21 is connected to guiding gutter 18, the coolant liquid entered by engine water inlet 15 can be flow to by guiding gutter 18 cylinder block into
The mouth of a river 11 and cylinder head water inlet 21.It is gentle that coolant liquid can be assigned in proportion cylinder block water inlet 11 in guiding gutter 18
Cylinder cap water inlet 21 provides water entry for cylinder block water inlet 11 and cylinder head water inlet 21, and it is each to guarantee that coolant liquid enters
Temperature before water inlet is almost the same.
Preferably, the quantity of cylinder head water inlet 21 is multiple, and a cylinder head is arranged between two neighboring cylinder and intakes
Mouthfuls 21, multiple upper water spots 181 are provided on guiding gutter 18, and upper water spot 181 is arranged in a one-to-one correspondence with cylinder head water inlet 21, by leading
The coolant liquid that sink 18 flows out can flow to corresponding cylinder head water inlet 21 by upper water spot 181.By the way that multiple cylinder head are arranged
Water inlet 21 and multiple upper water spots 181, the full crossing current being on the one hand advantageously implemented in cylinder cover water jacket 2 reduce the shadow between each cylinder
It rings, on the other hand advantageously ensures that the temperature before coolant liquid enters in cylinder cover water jacket 2 is almost the same.
Specifically, as shown in figure 3, multiple cylinder head water inlets 21 be respectively the cylinder head advance mouth of a river 211, in cylinder head into
The mouth of a river 212 and the laggard mouth of a river 213 of cylinder head.The cylinder head advance mouth of a river 211 is set between a cylinder and two cylinder, is intake in cylinder head
Mouth 212 is set between two cylinder and three cylinders, and water inlet 213 is set between three cylinders and four cylinders after cylinder head.
Preferably, it is additionally provided with exhaust manifold cooling duct 24 in cylinder head jacket 2, is flowed by cylinder head water inlet 21
Coolant liquid can be flow in full cross-flow passes 23 by exhaust manifold cooling duct 24.It is cooling logical that coolant liquid enters exhaust manifold
In road 24, the cooling to exhaust manifold can be realized.Preferably, exhaust manifold cooling duct 24 is passage aisle structure.According to this
Kind mode is arranged, and can reduce the volume of exhaust manifold cooling duct 24, promotes the flow velocity of exhaust manifold area coolant liquid, is conducive to
Under the premise of guaranteeing good cooling, the thermal loss that coolant liquid is taken away is effectively reduced, realizes rapid warming-up, comprehensive cooling effect
Fruit is optimal, improves engine fuel economy.In addition, the burning for single cylinder is different, which can be directed to
Property cooling control.Specifically, in the present embodiment, exhaust manifold cooling duct 24 includes ten passage aisles.By cylinder head into
The coolant liquid that the mouth of a river 21 flows into can be flow in full cross-flow passes 23 by ten passage aisles.Certainly, the quantity of passage aisle can be with
It is adjusted according to actual needs, this is not restricted.
Preferably, it is provided with busway 19 in block jacket 1, is passed through by the coolant liquid that cylinder head water outlet 22 flows out
Busway 19 is flowed into after catch basin 17, then passes to engine water outlet 16.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of engine-cooling system characterized by comprising
Block jacket (1) is provided with cylinder block water inlet (11) and cylinder block water outlet (12), the cylinder block water inlet
Mouth (11) is set to the exhaust side of cylinder block, and the cylinder block water outlet (12) is set to the air inlet side of the cylinder block, cooling
Liquid can flow to the cylinder block water outlet by the cylinder block water inlet (11) along the width direction of the block jacket (1)
(12) cylinder block crossing current is formed；
Cylinder head jacket (2) is provided with cylinder head water inlet (21) and cylinder head water outlet (22), the cylinder head water inlet
Mouth (21) is set to the exhaust side of cylinder head, and the cylinder head water outlet (22) is set to the air inlet side of the cylinder head, described
Cylinder head water inlet (21) is connected to the cylinder block water inlet (11), and the coolant liquid can be by the cylinder head water inlet
(21) width direction along the cylinder head jacket (2) flow to the cylinder head water outlet (22) and forms cylinder head crossing current.
2. engine-cooling system according to claim 1, which is characterized in that be provided in the cylinder head jacket (2)
Full cross-flow passes (23), the full cross-flow passes (23) are threaded through the two sides of each cylinder, by the cylinder head water inlet (21)
The coolant liquid flowed into can flow to the cylinder head water outlet (22) by the full cross-flow passes (23).
3. engine-cooling system according to claim 1, which is characterized in that be provided in the block jacket (1)
The cylinder block cross-flow passes (13) and cylinder block being connected indulge circulation road (14), and the cylinder block cross-flow passes (13) are threaded through often
The two sides of a cylinder, the cylinder block are indulged circulation road (14) and are arranged along the orientation of the cylinder, intake by the cylinder block
The coolant liquid that mouth (11) flows into can indulge circulation road (14) by the cylinder block cross-flow passes (13) and the cylinder block
It flow to the cylinder block water outlet (12).
4. engine-cooling system according to claim 1, which is characterized in that be provided on the block jacket (1)
Engine water inlet (15) and engine water outlet (16), the engine water inlet (15) are set to the exhaust of the cylinder block
Side, the engine water outlet (16) are set to the air inlet side of the cylinder block, the coolant liquid can by the engine into
The mouth of a river (15) flow to the cylinder block water inlet (11) and the cylinder head water inlet (21), and the coolant liquid can be by the gas
Cylinder body water outlet (12) and the cylinder head water outlet (22) flow to the engine water outlet (16).
5. engine-cooling system according to claim 4, which is characterized in that be provided on the block jacket (1)
Catch basin (17) can flow to institute by the catch basin (17) by the coolant liquid that the cylinder head water outlet (22) is flowed out
State engine water outlet (16).
6. engine-cooling system according to claim 5, which is characterized in that the quantity of the cylinder head water outlet (22)
To be multiple, and the cylinder head water outlet (22) is arranged in a one-to-one correspondence with cylinder, is provided on the catch basin (17) multiple
Collect water spot (171), the collection water spot (171) is arranged in a one-to-one correspondence with the cylinder head water outlet (22), by each cylinder
The coolant liquid of lid water outlet (22) outflow can flow into the catch basin (17) by the corresponding collection water spot (171)
In.
7. engine-cooling system according to claim 4, which is characterized in that be provided on the block jacket (1)
Guiding gutter (18), the cylinder block water inlet (11) and the cylinder head water inlet (21) are connected to the guiding gutter (18),
The cylinder block water inlet can be flow to by the guiding gutter (18) by the coolant liquid that the engine water inlet (15) enter
Mouth (11) and the cylinder head water inlet (21).
8. engine-cooling system according to claim 7, which is characterized in that the quantity of the cylinder head water inlet (21)
To be multiple, a cylinder head water inlet (21) is set between the two neighboring cylinder, is arranged on the guiding gutter (18)
There are multiple upper water spots (181), the upper water spot (181) is arranged in a one-to-one correspondence with the cylinder head water inlet (21), is led by described
The coolant liquid of sink (18) outflow can flow to the corresponding cylinder head water inlet (21) by the upper water spot (181).
9. engine-cooling system according to claim 2, which is characterized in that also set up in the cylinder head jacket (2)
There are exhaust manifold cooling duct (24), the exhaust can be passed through by the coolant liquid that the cylinder head water inlet (21) flows into
Manifold cooling duct (24) is flow in the full cross-flow passes (23).
10. engine-cooling system according to claim 5, which is characterized in that be provided on the block jacket (1)
Busway (19) flows into institute by the catch basin (17) by the coolant liquid of the cylinder head water outlet (22) outflow afterwards
Busway (19) are stated, the engine water outlet (16) are then passed to.
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| CN201910651556.XA CN110454269A (en) | 2019-07-18 | 2019-07-18 | A kind of engine-cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419495A (en) * | 2022-09-13 | 2022-12-02 | 重庆长安汽车股份有限公司 | Engine cooling water jacket and engine |
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