CN105649746A - Multi-cylinder engine with cooling oil channel strucure - Google Patents
Multi-cylinder engine with cooling oil channel strucure Download PDFInfo
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- CN105649746A CN105649746A CN201510843280.7A CN201510843280A CN105649746A CN 105649746 A CN105649746 A CN 105649746A CN 201510843280 A CN201510843280 A CN 201510843280A CN 105649746 A CN105649746 A CN 105649746A
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- cylinder
- cooling oil
- cylinder head
- oil passage
- described cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
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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
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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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- 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
- F01P2003/021—Cooling cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/024—Cooling cylinder heads
-
- 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
- F01P2003/028—Cooling cylinders and cylinder heads in series
Abstract
A multi-cylinder engine with a cooling oil channel structure is provided with: a cylinder provided with a plurality of cylinder holes; and a cylinder cover, wherein the cylinder cover is provided with a plurality of combustion chambers corresponding to the cylinder holes and is further provided with air inlets and air outlets communicated with the combustion chambers, and the cylinder and the cylinder cover are connected to an engine case in sequence. According to the cooling oil channel structure, the cylinder is provided with cylinder side cooling oil channels. The cylinder side cooling oil channels are formed on the peripheries of the plurality of cylinder holes and are close to each combustion chamber. The cylinder cover is provided with cylinder cover side cooling oil channels. The cylinder cover side cooling oil channels surround the periphery of each exhaust port and are communicated with the cylinder side cooling oil channels. The cooling air channel structure is formed to enable cooled cooling air in an oil coller to flow into the cylinder cover side cooling oil channels after flowing through the cylinder side cooling oil channels.
Description
Technical field
The present invention relates to the cooling oil channel architecture of a kind of multiple cylinder (or multiple cylinder) engine, via this cooling oil channel architecture, cooling oil flows to cool multi-cylinder engine.
Background technology
Patent documentation 1 (Japanese Laid-Open Patent Publication No.2007-270737) discloses the cooling oil channel architecture of a kind of multi-cylinder engine, and via this cooling oil channel architecture, cooling oil flows to cool multi-cylinder engine. In this cooling oil channel architecture, cooling oil passage is formed as extending to the part near venting port from the part near inlet mouth via the periphery of consent.
In the cooling oil channel architecture of multi-cylinder engine disclosed in patent documentation 1, because not having cooling oil passage to be formed in the periphery of venting port and the periphery of combustion chamber, so being difficult to the cooling performance fully obtained for cylinder and cylinder head.
In addition, in the structure of document 1, because cooling oil passage shape is near inlet mouth, therefore particularly when cold starting, inlet mouth is by the easy heating of cooling oil. Therefore, worry that reducing combustion chamber is full of the efficiency entering air, thus, worry that reducing engine exports.
Summary of the invention
Therefore, the present invention considers above-mentioned situation, and its objective is to provide the cooling oil channel architecture of a kind of multi-cylinder engine, it is possible to improve the cooling performance of the cylinder in multi-cylinder engine and cylinder head, and improves the engine when cold starting and export.
Above-mentioned purpose can by providing, the cooling oil channel architecture of multi-cylinder engine realizes according to the present invention, and this cooling oil channel architecture is provided with: cylinder, and this cylinder is formed with multiple cylinder-bore, and cylinder head, this cylinder head is provided with the multiple combustion chamber corresponding to each cylinder-bore and is provided with the inlet mouth with respective combustion chamber and venting port, and cylinder and cylinder head are attached to engine box in order, wherein cylinder is formed with cylinder side cooling oil passage, this cylinder side cooling oil passage is formed in the periphery of multiple cylinder-bore and each combustion chamber close, and cylinder head is formed with cylinder head side cooling oil passage, this cylinder head side cooling oil passage around the periphery of each in multiple venting port and with cylinder side cooling oil channel connection, and cooling oil channel architecture is formed as making cooling oil cooled in oil cooler flow into cylinder head side cooling oil passage after flowing through cylinder side cooling oil passage.
The present invention of above-mentioned aspect can comprise following preferred embodiment or example.
Expect cylinder side cooling oil passage along the periphery of multiple cylinder-bore and be formed in cylinder coordinate cylinder head cooperation on the surface.
Expect that cylinder head side cooling oil passage comprises multiple cooling channels part, this cooling channel part be formed as the multiple venting port around correspondence and with cylinder side cooling oil channel connection, and comprise cylinder head side exhaust channel part, this cylinder head side exhaust channel part is connected with multiple cooling channels part and is connected with cylinder side exhaust channel part, and this cylinder side exhaust channel part is formed in the cylinder and extends to the inside of engine box.
Expecting that cylinder side cooling oil passage comprises bore passage part, this bore passage part is formed in the region between the adjacent cylinder-bore of cylinder interior.
Can also expect that the cross-sectional area of cylinder side cooling oil passage is formed as: the stream road cross-sectional area comprising the part being connected cylinder head side cooling oil passage part is less than at other parts Zhong Liu road cross-sectional area.
Cooling oil channel architecture according to above-mentioned feature, the cooling oil flowing through cylinder side cooling oil passage cools the part of the periphery of each in multiple cylinder-bore near each combustion chamber. In addition, the periphery of the cooling oil chill vent of cylinder head side cooling oil passage is flow through. , it is possible to effectively cool the periphery of venting port and the periphery of combustion chamber of temperature in cylinder and cylinder head the highest (namely very hot) respectively, therefore the cooling performance of cylinder and cylinder head thus is effectively improved.
Further, cylinder head side cooling oil passage is formed in the periphery of venting port, and is not formed in the periphery of inlet mouth. Therefore, because the inlet mouth not cooled oil heating when cold starting, therefore the efficiency of the full inlet air in combustion chamber can improve, thus increase engine and export, and is therefore favourable.
Below with reference to the characteristic of accompanying drawing the present invention and further characteristic element will from following description more clear.
Accompanying drawing explanation
Fig. 1 is the left view of display engine and oil cooler, wherein applies an embodiment of the cooling oil channel architecture of the multi-cylinder engine according to the present invention;
Fig. 2 is the figure from the Fig. 1 in terms of the direction of arrow II;
Fig. 3 is the frontview of the cylinder head of display Fig. 1;
Fig. 4 is the fish-eye view of the cylinder head of display Fig. 1 and 3;
Fig. 5 shows the cylinder head side cooling oil passage being formed in the cylinder head of Fig. 3 together with the stereographic map of cylinder and liner;
Fig. 6 is the orthographic plan of cylinder together with oil cooler of display Fig. 5;
Fig. 7 is the orthographic plan of cylinder together with liner of display Fig. 6;
Fig. 8 is the sectional view of VIII-VIII line along Fig. 6;
Fig. 9 is the figure from the Fig. 5 in terms of the direction of arrow IX; And
Figure 10 is the figure from the Fig. 9 in terms of the direction of arrow X.
Embodiment
Hereinafter, the embodiment of practice will be described with reference to the drawings.
Further, it should be noted that, in the present note, noun " front " and " afterwards ", " right side " and the term such as " left side " and "up" and "down" are used for based on the state illustrated in accompanying drawing, or the state representation direction that the multi-cylinder engine of the present invention is installed on vehicle with erectility.
As illustrated in fig. 1 and 2, the multi-cylinder engine (two juxtaposed cylinders engine in the present embodiment) that engine 10 is mounted on such as motorcycle, and it is provided with cylinder assembly 12, this cylinder assembly extends from the front side of engine box 11 with tilting forward. Cylinder assembly 12 comprises from the cylinder 13 of engine box side sequentially connect, cylinder head 14 and top cover 15.
Cylinder 13 and cylinder head 14 utilize do not show four column bolts to be fixed to the front upper surface of engine box 11, and these four column bolts insert in four column bolt holes 16 (see Fig. 5) respectively, this column bolt hole be formed in cylinder 13 and cylinder head 14 each in.
Cylinder 13 comprises multiple (in the present embodiment two) cylinder-bore 17 of arranged in series, as shown in Figure 5. Cylinder head 14 comprises multiple combustion chamber 18 thus corresponds to each cylinder-bore 17, and inlet mouth 19 with venting port 20 thus is connected with each combustion chamber 18, as shown in figs. 1 and 4. In the present embodiment, each combustion chamber 18 is provided with two inlet mouths 19 and a venting port 20.
Gaseous mixture (gaseous mixture of fuel and air) is fed to inlet mouth 19 from engine intake. Engine intake comprises the air filter, butterfly body and the fuel injector that do not show. Carburettor may be used for substituting butterfly body and fuel injector. The vapor pipe not shown of engine exhaust system is connected to venting port 20, and the waste gas produced by the burning of gaseous mixture in combustion chamber 18 and cylinder-bore 17 is discharged by engine exhaust system.
The combustion chamber 18 of cylinder head 14 is arranged to the cylinder-bore 17 (see Fig. 5) with cylinder 13 and is connected, and the piston not shown is slidably disposed in cylinder-bore 17. Gaseous mixture both burnt in the combustion chamber 18 of cylinder head 14, also burn in the cylinder-bore 17 of cylinder 13, thus move back and forth piston, and this reciprocates through the rotation that the union lever not shown is converted to bent axle 21, and this bent axle is rotatably supported in engine box 11.
Above-mentioned gas mixture is controlled to the supply of combustion chamber 18 by the intake valve not shown, this inlet open and closed inlet mouth 19. On the other hand, waste gas controls from the vent valve by not showing of discharging of combustion chamber 18, this vent valve open and close venting port 20. Intake valve and vent valve are driven by the valve gear not shown, in the space of this valve gear between cylinder head 14 and top cover 15. The valve gear suction cam not shown and air inlet arm drive intake valve, and drive vent valve by the exhaust cam not shown and exhaust rocker arm.
As illustrated in fig. 1 and 2, engine box 11 is provided with food tray 23 bottom it, and this food tray stores the oil being used for lubrication and cooling. The oil pump 24 that oil in food tray 23 is such as arranged in engine box 11 by driving is directed in oil passage 22 via purolator 25, in the bottom part of the cylinder 13 that this oil passage is formed on the right side shown in Fig. 5. Oil pump 24 is driven by the driving force of bent axle 21. Purolator 25 is also configured in engine box 11.
The part oil being directed in the oily passage 22 of cylinder 13 rises via on a column bolt hole 16B on the right side shown in Fig. 5 and 6 and the gap between the column bolt not shown, and arrives the opening 27 of the liner 26 shown in Fig. 7. Liner 26 insert the cylinder 13 shown in Fig. 6 cooperation surface 28 and Fig. 3 and 4 shown in cylinder head 14 cooperation surface 29 between. The grease channel 30 that the oil having arrived the opening 27 (see Fig. 7) of liner 26 flows through the cylinder head 14 shown in Fig. 3 and 4 to be supplied to valve gear thus lubricates valve gear.
As shown in Fig. 2,5 and 6, such as, during the bottom right side that the channel outlet port 31 of oil passage 22 is formed on the front surface of cylinder 13 divides. Channel outlet port 31 utilizes inlet side flexible pipe 34 to be connected to the inlet portion 33 of oil cooler 32. The surplus oil guiding the oily passage 22 entering cylinder 13 as mentioned above as shown by arrow A, is directed in oil cooler 32 via channel outlet port 31 and inlet side flexible pipe 34, with cooled in oil cooler 32.
Oil cooler 32 is arranged in the body shell not shown before multi-cylinder engine 10. Then, the top that oil cooler 32 is arranged in the front-wheel of vehicle is with the fluidizing air cooling oil during utilizing vehicle movement.
The export department 35 of oil cooler 32 utilizes the feeder connection portion 37 of cylinder side cooling oil passage 36 that outlet side flexible pipe 38 is connected in cylinder 13 to be formed. Describing after a while, cylinder side cooling oil passage 36 is connected with the cylinder head side cooling oil passage 39 being formed in cylinder head 14. Therefore, in oil cooler 32, the oil of cooling, as cooling oil, is sequentially directed to via outlet side flexible pipe 38 in cylinder side cooling oil passage 36 and cylinder head side cooling oil passage 39 as shown by arrow B. Therefore, the part that temperature is the highest in multi-cylinder engine 10, the periphery of the venting port 20 of such as cylinder head 14, cylinder 13 and the periphery of combustion chamber 18 of cylinder head 14 and the region between the cylinder-bore 17 of cylinder 13, be cooled efficiently.
Cylinder side cooling oil passage 36 and cylinder head side cooling oil passage 39 are respectively formed in cylinder 13 and cylinder head 14, and cylinder side cooling oil passage 36 and cylinder head side cooling oil passage 39 are formed in molded cylinder 13 and cylinder head 14 respectively by mechanical workout, or when cylinder 13 and cylinder head 14 are by casting die, formed by core respectively.
As shown in Fig. 5 to 8, cylinder side cooling oil passage 36 comprises the feeder connection portion 37, guiding channel part 40, hole Zhou Tongdao part 41 and the bore passage part 42 that communicate with each other.
The gap that guiding channel part 40 is formed between the column bolt in column bolt hole 16A and the insertion column bolt hole 16A that do not show, this column bolt hole 16A is near feeder connection portion 37 in four the column bolt holes 16 formed in cylinder 13. Guiding channel part 40 is connected with feeder connection portion 37 and guides the cooling oil from oil cooler 32 through outlet side flexible pipe 38 and feeder connection portion 37.
The periphery that hole Zhou Tongdao part 41 is formed in multiple cylinder-bore 17 continuously is with near each combustion chamber 18, or the periphery along multiple cylinder-bore 17, is formed in coordinating in surface 28 of cylinder 13 and cylinder head 14 continuously. Hole Zhou Tongdao part 41 is connected to guide the cooling oil in guiding channel part 40 with guiding channel part 40. In hole Zhou Tongdao part 41, the oil cover part 43 extended in the axis direction of cylinder 13, as the part of hole Zhou Tongdao part 41, is formed in former and later two positions on each, and in this position, cylinder-bore 17 is with adjacent one another are.
From the cooling oil of guiding channel part 40 importing as shown in the arrow C of Fig. 6 and 7, flow through the hole Zhou Tongdao part 41 (comprising oil cover part 43) formed in the cooperation surface 28 of cylinder 13 to cool the periphery of the combustion chamber 18 of cylinder 13. In liner 26 between insertion cylinder 13 and cylinder head 14, cut out portion 44 is formed along the hole Zhou Tongdao part 41 of cylinder 13. Therefore, the cooling oil of the hole Zhou Tongdao part 41 (comprising oil cover part 43) flowing through cylinder 13 contacts with the cooperation surface 29 of cylinder head 14 through the cut out portion 44 of liner 26, with the periphery of the combustion chamber 18 of cold gas cylinder cap 14.
As seen in figs. 6 and 8, bore passage part 42 is formed in the inside of cylinder 13 and the region between adjacent cylinder-bore 17, instead of in the cooperation surface 28 of cylinder 13, thus it is connected with two oil cover parts 43 of the front and rear part between adjacent cylinder-bore 17 respectively.Cooling oil is directed in bore passage part 42 via the oil cover part 43 of hole Zhou Tongdao part 41.
Therefore, the region between cylinder-bore 17 adjacent in cylinder 13, not by means of only the cooling oil cooling flowing through hole Zhou Tongdao part 41, also cools by flowing through the cooling oil of bore passage part 42 along the direction shown in arrow D.
Such as, bore passage part 42 is passed through from the rear surface of cylinder 13 to be formed by mechanical workouts such as rigs. Then, oil temperature sensor 46 is arranged on the position of cylinder 13 rear surface, corresponding to the machining hole 45 now formed. Oil temperature sensor 46 is by the temperature with the cooling oil contact detection cooling oil flowing into machining hole 45.
As shown in Fig. 3,5,9 and 10, cylinder head side cooling oil passage 39 comprises multiple (in the present embodiment two) cooling channel part 48 and the cylinder head side exhaust channel part 49 being connected with cooling channel part 48, and this cooling channel part surrounds multiple (in the present embodiment two) venting port 20 respectively.
Cooling channel part 48 comprises: two the first cooling channel parts 51, and this first cooling channel part is arranged on the phase offside of each venting port 20; Being arranged in the top of venting port 20 with the 2nd cooling channel part the 52, two cooling channel part, they communicate with each other thus form substantially U shape. Each in two the first cooling channel parts 51 is connected with the terminal portions 47 (see Fig. 6 and 7) in the periphery of each cylinder-bore 17 in the hole Zhou Tongdao part 41 of cylinder side cooling oil passage 36. Therefore, the cooling oil of hole Zhou Tongdao part 41 flowing through cylinder side cooling oil passage 36 is as shown in arrow E in Fig. 9 and 10, sequentially pass through the first cooling channel part 51 in cooling channel part 48 and the 2nd cooling channel part 52, thus the periphery of chill vent 20.
The terminal portions 47 (see Fig. 6 and 7) of the hole Zhou Tongdao part 41 of cylinder side cooling oil passage 36 comprises the part being formed as having the bottom portion of groove lower than other portion (part) in hole Zhou Tongdao part 41, and these parts are connected with each in two the first cooling channel parts 51 of the cooling channel part 48 of cylinder head side cooling oil passage 39. That is, cross section on the terminal portions 47 Zhong Liu road of hole Zhou Tongdao part 41 is arranged to be less than the cross section on the other parts Zhong Liu road of hole Zhou Tongdao part 41. Therefore, other parts of velocity ratio of the cooling oil flowing through the terminal portions 47 of hole Zhou Tongdao part 41 rise.
As shown in Fig. 3,5,9 and 10, cylinder head side exhaust channel part 49 is connected with the 2nd cooling channel part 52 of multiple cooling channels part 48 thus forms substantially T-shaped, and is connected with cylinder side exhaust channel part 50. Cylinder side exhaust channel part 50 is formed as extending the inside to arrive engine box 11 along the axis direction of cylinder 13. Therefore, cooling oil in the 2nd cooling channel part 52 of multiple cooling channels part 48 is as shown by arrow F, it is incorporated in cylinder head side exhaust channel part 49, and flows through cylinder side exhaust channel part 50 to be discharged in the food tray 23 (see Fig. 2) being then stored in engine box 11 in engine box 11.
As shown in figures 2 and 5, as mentioned above, in oil cooler 32, the oil (cooling oil) of cooling flows into the cylinder side cooling oil passage 36 of cylinder 13 via outlet side flexible pipe 38, and then hole Zhou Tongdao part 41 is flow through in feeder connection portion 37 and guiding channel part 40 via cylinder side cooling oil passage 36. Therefore, the periphery of the combustion chamber 18 of oil refrigeration gas cylinder 13 and cylinder head 14, and flow through the region of bore passage part 42 (see Fig. 8) to cool between the cylinder-bore 17 of cylinder 13.
Cooling oil after the hole Zhou Tongdao part 41 flowing through cylinder side cooling oil passage 36 and bore passage part 42 flows into the cylinder head side cooling oil passage 39 of cylinder head 14. Then, the cooling channel part 48 (the first cooling channel part 51 and the 2nd cooling channel part 52) that cooling oil flows through cylinder head side cooling oil passage 39 is with the periphery of the venting port 20 of cold gas cylinder cap 14. The cylinder head side exhaust channel part 49 that cooling oil of the periphery of chill vent 20 has flow through cylinder head side cooling oil passage 39 is to be discharged in engine box 11 via cylinder side exhaust channel part 50.
Structure or the structure of above-mentioned the present embodiment can reach following favourable effect (1) to (4).
As described in figures 1 and 5, (1) part of each combustion chamber 18 of the periphery of the close multiple cylinder-bore 17 in cylinder 13 and cylinder head 14 of cooling oil cooling of the cylinder side cooling oil passage 36 of cylinder 13 is flow through. In addition, the periphery of the venting port 20 of the cooling oil cold gas cylinder cap 14 of the cylinder head side cooling oil passage 39 of cylinder head 14 is flow through. Therefore, it is possible to effectively cool the periphery of the venting port 20 respectively in cylinder 13 and cylinder head 14 with top temperature and the periphery of combustion chamber 18, thus improve cylinder 13 and the cooling performance of cylinder head 14.
(2) in the cylinder side cooling oil passage 36 of cylinder 13, the bore passage part 42 that cooling oil flows through is formed in the region between the adjacent cylinder-bore 17 of cylinder 13 inside. Therefore, the region between cylinder-bore 17 adjacent in cylinder 13, not by means of only the cooling oil cooling flowing through hole Zhou Tongdao part 41, also cools by flowing through the cooling oil of bore passage part 42. Therefore, it is possible to effectively in the rising of the temperature reduced in multi-cylinder engine 10 in the region between cylinder-bore 17 generally having problems.
(3) the cylinder head side cooling oil passage 39 of cylinder head 14 is formed in the periphery of venting port 20, and is not formed in the periphery of inlet mouth 19. Therefore, because inlet mouth 19 not cooled oil heating when the cold starting of multi-cylinder engine 10, the efficiency therefore enabling combustion chamber 18 be full of inlet air improves, thus increases the output of multi-cylinder engine 10.
(4) in the hole Zhou Tongdao part 41 of cylinder side cooling oil passage 36, the cross-sectional area on terminal portions 47 (see Fig. 6) the Zhong Liu road of the part being connected in the first cooling channel part 51 comprising the cooling channel part 48 with cylinder head side cooling oil passage 39, is arranged to be less than the cross-sectional area on other parts Zhong Liu road. Therefore, the flow velocity of the cooling oil flowing through the terminal portions 47 of hole Zhou Tongdao part 41 rises. , it is possible to effectively the cooling oil in terminal portions 47 is fed to the first cooling channel part 51 of cylinder head side cooling oil passage 39, therefore thus prevent assemble oil appear in hole Zhou Tongdao part 41.
It is further noted that, although being described with reference to the embodiment as more excellent example in above the present invention, but the present invention is not limited to above-described embodiment, in the scope not deviating from appended claim, can make other change and amendment or change.
Such as, multi-cylinder engine 10 can be the multi-cylinder engine arranged side by side with three or more cylinder.
Claims (5)
1. a cooling oil channel architecture for multi-cylinder engine, described multi-cylinder engine is provided with and is formed with cylinder and cylinder head, and described cylinder is formed with multiple cylinder-bore; Described cylinder head is provided with the multiple combustion chamber corresponding to each cylinder-bore and is provided with the inlet mouth with respective combustion chamber and venting port, and described cylinder and described cylinder head are attached to engine box in order; Described cooling oil channel architecture is characterised in that,
Described cylinder is formed with cylinder side cooling oil passage, described cylinder side cooling oil passage is formed in the periphery of described multiple cylinder-bore and each combustion chamber close, and described cylinder head is formed with cylinder head side cooling oil passage, described cylinder head side cooling oil passage around the periphery of each in multiple venting port and with described cylinder side cooling oil channel connection;
Described cooling oil channel architecture is formed as making cooling oil cooled in oil cooler flow into described cylinder head side cooling oil passage after flowing through described cylinder side cooling oil passage.
2. the cooling oil channel architecture of multi-cylinder engine as claimed in claim 1, it is characterised in that, wherein, described cylinder side cooling oil passage is along the periphery of described multiple cylinder-bore and is formed in the cooperation surface coordinated with described cylinder head of described cylinder.
3. the cooling oil channel architecture of multi-cylinder engine as claimed in claim 1 or 2, it is characterized in that, wherein, described cylinder head side cooling oil passage comprises multiple cooling channels part, described cooling channel part is formed as the multiple venting ports around correspondence, and with described cylinder side cooling oil channel connection, and described cylinder head side cooling oil passage also comprises cylinder head side exhaust channel part, described cylinder head side exhaust channel part is connected with described multiple cooling channels part and is connected with cylinder side exhaust channel part, described cylinder side discharge section is formed in described cylinder and extends to the inside of described engine box.
4. such as the cooling oil channel architecture of multi-cylinder engine as described in any one in claims 1 to 3, it is characterized in that, wherein, described cylinder side cooling oil passage comprises internal holes passage part, and described internal holes channel part divides in the region between the adjacent cylinder-bore being formed in described cylinder interior.
5. such as the cooling oil channel architecture of multi-cylinder engine as described in any one in claims 1 to 3, it is characterized in that, wherein, the cross-sectional area of described cylinder side cooling oil passage is formed as: the stream road cross-sectional area comprising the part being connected described cylinder head side cooling oil passage part is less than the stream road cross-sectional area in other parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014241579A JP6476796B2 (en) | 2014-11-28 | 2014-11-28 | Oil passage structure for cooling of multi-cylinder engines |
| JP2014-241579 | 2014-11-28 |
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| Publication Number | Publication Date |
|---|---|
| CN105649746A true CN105649746A (en) | 2016-06-08 |
| CN105649746B CN105649746B (en) | 2019-11-08 |
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| CN201510843280.7A Active CN105649746B (en) | 2014-11-28 | 2015-11-26 | The cooling oil passage structure of multi-cylinder engine |
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| CN (1) | CN105649746B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468578A (en) * | 2017-02-23 | 2018-08-31 | 本田技研工业株式会社 | Internal combustion engine |
| CN109026321A (en) * | 2017-06-08 | 2018-12-18 | 铃木株式会社 | The cooling oil passway structure of engine |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6665708B2 (en) * | 2016-06-28 | 2020-03-13 | スズキ株式会社 | Engine oil passage structure |
| JP6792377B2 (en) * | 2016-08-26 | 2020-11-25 | ダイハツ工業株式会社 | Internal combustion engine |
| JP6888430B2 (en) * | 2017-06-08 | 2021-06-16 | スズキ株式会社 | Engine cooling oil passage structure |
| CN107842434B (en) * | 2017-11-02 | 2022-04-22 | 广西玉柴机器股份有限公司 | Ligand structure |
| DE102020001339A1 (en) | 2020-03-02 | 2021-09-02 | Deutz Aktiengesellschaft | Engine with cylinder crankcase and oil return collecting channel and oil drainage |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06330808A (en) * | 1993-05-26 | 1994-11-29 | Nissan Motor Co Ltd | Cylinder block structure of water cooled engine |
| JP2001214739A (en) * | 2000-02-03 | 2001-08-10 | Honda Motor Co Ltd | Cooling water circulation structure of internal combustion engine |
| JP2005113887A (en) * | 2003-10-10 | 2005-04-28 | Aichi Mach Ind Co Ltd | Cooling water passage structure for internal combustion engine |
| CN1760526A (en) * | 2004-10-12 | 2006-04-19 | 三菱自动车工业株式会社 | Cooling water passage structure for an engine |
| CN2888101Y (en) * | 2006-01-26 | 2007-04-11 | 潍柴动力股份有限公司 | Improved engine cylinder |
| JP2012137016A (en) * | 2010-12-27 | 2012-07-19 | Mazda Motor Corp | Oil circulation system of engine |
| JP5175768B2 (en) * | 2009-02-25 | 2013-04-03 | 本田技研工業株式会社 | Cylinder head cooling oil passage for multi-cylinder engines |
| CN103807047A (en) * | 2012-11-09 | 2014-05-21 | 本田技研工业株式会社 | Water jacket structure of internal combustion engine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6254261U (en) * | 1985-09-24 | 1987-04-03 | ||
| JPH04175419A (en) * | 1990-11-06 | 1992-06-23 | Kubota Corp | Cooler for cylinder block of overhead valve type straight multicylinder engine |
| JPH057931U (en) * | 1991-07-12 | 1993-02-02 | 株式会社クボタ | Partial liquid cooling system for forced air cooling multi-cylinder overhead valve engine |
| JP5798427B2 (en) * | 2011-09-28 | 2015-10-21 | 本田技研工業株式会社 | Oil passage structure of air-oil cooled internal combustion engine |
-
2014
- 2014-11-28 JP JP2014241579A patent/JP6476796B2/en active Active
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2015
- 2015-11-26 CN CN201510843280.7A patent/CN105649746B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06330808A (en) * | 1993-05-26 | 1994-11-29 | Nissan Motor Co Ltd | Cylinder block structure of water cooled engine |
| JP2001214739A (en) * | 2000-02-03 | 2001-08-10 | Honda Motor Co Ltd | Cooling water circulation structure of internal combustion engine |
| JP2005113887A (en) * | 2003-10-10 | 2005-04-28 | Aichi Mach Ind Co Ltd | Cooling water passage structure for internal combustion engine |
| CN1760526A (en) * | 2004-10-12 | 2006-04-19 | 三菱自动车工业株式会社 | Cooling water passage structure for an engine |
| CN2888101Y (en) * | 2006-01-26 | 2007-04-11 | 潍柴动力股份有限公司 | Improved engine cylinder |
| JP5175768B2 (en) * | 2009-02-25 | 2013-04-03 | 本田技研工業株式会社 | Cylinder head cooling oil passage for multi-cylinder engines |
| JP2012137016A (en) * | 2010-12-27 | 2012-07-19 | Mazda Motor Corp | Oil circulation system of engine |
| CN103807047A (en) * | 2012-11-09 | 2014-05-21 | 本田技研工业株式会社 | Water jacket structure of internal combustion engine |
Non-Patent Citations (1)
| Title |
|---|
| 宋福昌: "《国Ⅲ系列共轨柴油发动机的结构与维修》", 30 September 2013 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468578A (en) * | 2017-02-23 | 2018-08-31 | 本田技研工业株式会社 | Internal combustion engine |
| CN108468578B (en) * | 2017-02-23 | 2020-08-04 | 本田技研工业株式会社 | Internal combustion engine |
| CN109026321A (en) * | 2017-06-08 | 2018-12-18 | 铃木株式会社 | The cooling oil passway structure of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105649746B (en) | 2019-11-08 |
| JP6476796B2 (en) | 2019-03-06 |
| JP2016102459A (en) | 2016-06-02 |
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