CN106958493A - Engine cylinder cap assemblies and its cylinder cap, turbocharger - Google Patents
Engine cylinder cap assemblies and its cylinder cap, turbocharger Download PDFInfo
- Publication number
- CN106958493A CN106958493A CN201710166695.4A CN201710166695A CN106958493A CN 106958493 A CN106958493 A CN 106958493A CN 201710166695 A CN201710166695 A CN 201710166695A CN 106958493 A CN106958493 A CN 106958493A
- Authority
- CN
- China
- Prior art keywords
- junction surface
- cylinder cap
- air flue
- exhaust
- row air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/02—Gas passages between engine outlet and pump drive, e.g. reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
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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
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4264—Shape or arrangement of intake or exhaust channels in cylinder heads of exhaust channels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
A kind of engine cylinder cap assemblies and its cylinder cap for vehicle, turbocharger, the cylinder cap is relatively fixed with turbocharger, cylinder cap has the first junction surface, turbocharger has the second junction surface, first junction surface engages setting with the second junction surface and opposing seal is set, cylinder cap has first row air flue, turbocharger has second row air flue, the outlet of first row air flue is connected with the import of second row air flue, first row air flue is set by cylinder cap, the exhaust duct can directly be connected with the exhaust duct of turbocharger, the head exhaust pipeline of engine can be optimized.
Description
Technical field
The present invention relates to a kind of engine cylinder cap assemblies and its cylinder cap, turbocharger.
Background technology
In the prior art, turbocharged engine includes metal cylinder cap, supercharger volute, in use, generally
The exhaust end of cylinder cap also needs to be welded with exhaust manifold is vented to supercharger volute to realize, the exhaust that exhaust end comes out is from burning
Room booster is sent to by above-mentioned exhaust manifold.
The content of the invention
It is an object of the invention to provide a kind of engine cylinder cap assemblies improved to engine cylinder cover gas exhaust piping
And its cylinder cap, turbocharger.
To achieve the above object, inventive engine is adopted the following technical scheme that:A kind of engine cylinder cap assemblies, including cylinder
Lid, turbocharger, the cylinder cap are relatively fixed with turbocharger, and wherein cylinder cap has matrix part, the first junction surface, the matrix
Portion is wholely set with the first junction surface, and the turbocharger has the second junction surface, first junction surface and described second
Junction surface engages setting and opposing seal is set, and first junction surface is connected with second junction surface and forms exhaust
Passage and/or cooling duct, the exhaust passage include the first row air flue, second row air flue, and first junction surface is formed
The first row air flue, second junction surface forms second row air flue, outlet and the second row of the first row air flue
The import of air flue is connected and forms the exhaust passage.
The present invention also provides a kind of engine cylinder cover, adopts the following technical scheme that:A kind of engine cylinder cover, the cylinder cap includes
Cylinder cap housing, exhaust structure, the exhaust structure protrude outward setting from cylinder cap housing, and the exhaust structure includes matrix part, is used for
The first junction surface connect relative with the volute of turbocharger, described matrix portion and the cylinder cap housing are integrally formed, and described the
One junction surface is formed at the matrix part end, and the cylinder cap has first row air flue, and the first row air flue prolongs along described matrix portion
Setting is stretched, and outwards runs through first junction surface, can be used in being connected with the second row air flue of turbocharger so as to be formed
Logical first row gas port.
The present invention also provides a kind of turbocharger of motor, adopts the following technical scheme that:A kind of engine turbine supercharging
Device, the turbocharger includes volute, and the volute has for the second junction surface connect relative with engine cylinder cover and the
Two exhaust ducts, the second row air flue outwards run through second junction surface, the volute also include separating part, at least one second
Cooling duct, the separating part is formed at the outer radial periphery of the second row air flue, so that the second cooling duct can be with second point
The medium isolating construction of heat conduction is formed every portion.
Compared with prior art, inventive engine cylinder cover component and its cylinder cap are set with turbocharger by cylinder cap arranges
Air flue, the exhaust duct can directly be connected with the exhaust duct of turbocharger, and the head exhaust pipeline of engine can be carried out
Optimization.
Illustrate
Fig. 1 is the schematic perspective view of inventive engine cylinder cap;
Fig. 2 is another angle schematic diagram of engine cylinder cover shown in Fig. 1;
Fig. 3 is the schematic perspective view of turbocharger shown in Fig. 1.
Embodiment
Refer to shown in Fig. 1 to Fig. 3, engine provides power for mobile devices such as vehicles, engine include cylinder cap 100,
Turbocharger 200, wherein cylinder cap 100 are arranged on the cylinder block of engine, being capable of sealing cylinder cylinder body and formation burning
Room 10, combustion chamber 10 is provided with air inlet and exhaust outlet, and wherein air inlet is communicated with cylinder cap air intake duct, exhaust outlet and exhaust duct of cylinder cover
Communicate.Cylinder cap 100 is relatively fixed with turbocharger 200, and wherein cylinder cap 100 has the first junction surface 11, turbocharger 200
With the second junction surface 21, the first junction surface 11 engages setting with the second junction surface 21 and opposing seal is set, wherein first
Junction surface 11 is connected with the second junction surface 21 and forms exhaust passage and/or cooling duct, and cylinder cap 100 has first row air flue
13, turbocharger 200 has second row air flue 23, and exhaust passage includes the first row air flue 13, second row air flue 23, first
The outlet of exhaust duct 13 is connected with the import 231 of second row air flue and forms the exhaust passage, and the is set by cylinder cap 100
One exhaust duct 13, the first row air flue 13 can be docked with the second row air flue 23 of turbocharger and directly connected, and specifically
One junction surface 11 forms the first row air flue, and second junction surface 21 forms second row air flue can be to the cylinder cap of engine
Gas exhaust piping is optimized, and especially relative can be shortened exhaust combustion chamber to the exhaust pathway of turbocharger, be simplified gas exhaust piping,
The setting of exhaust manifold can be such as saved, each component weight of engine is reduced, simplifies engine system arrangement and relatively reduced
Engine space.
Cylinder cap 100 includes exhaust structure, cylinder cap housing 14, and the exhaust structure is protruded outward from the cylinder cap housing, and first connects
Conjunction portion 11 is formed at the outside of cylinder cap housing 14, and the outlet of first row air flue 13 outwards runs through the first junction surface 11, for that will arrange
Go out gas to draw toward at the second row tracheal entrance of turbocharger;Specifically exhaust structure includes matrix part 101 and above-mentioned the
One junction surface 11, at least a portion of the matrix part 101 formation first row air flue 13, the part especially stretched out, i.e.,
First row air flue 13 outwards runs through the first junction surface 11, so that first row gas port 131 is formed, further matrix part 101 and first
Junction surface 11 is integrated connect setting, and first row gas port 131 is connected with second row air flue 23, and outside the first row gas port 131
The outer phase sealing of all imports with the second row air flue 23 is set, and reduces leakage phenomenon.It is cold that further cylinder cap 100 includes first
But passage 15, have the first isolation part 132, first cooling duct 15 between the first cooling duct 15 and first row air flue 13
In at least part periphery of first row air flue 13, specifically the first cooling duct of present embodiment 15 is symmetricly set on first exhaust
The both sides of road 13.Further above-mentioned first isolation part 132 is set at least two dividing walls, the formation of first row air flue 13 at least two
Exhaust outlet, cylinder cap housing 14 has at least one second isolation part 133, and second isolation part is located at least two first exhaust
Between mouthful, the first isolation part 132, the second isolation part 133 are integrated connect setting, and it is flat to extend to the place of the first junction surface 11
Face.First junction surface, the second junction surface have sealing mounting surface respectively, and the exhaust outlet of first row air flue 13 outwards runs through the sealing
Mounting surface, the second isolation part 133 is located between at least two first rows gas port.
Turbocharger 200 includes volute, and cylinder cap is mutually assembled or welded with the volute by cylinder cap housing, and the volute has
Above-mentioned second junction surface 21, second row air flue 23, the second cooling duct 25, second row air flue 23 outwards run through the second junction surface
21, the second cooling duct 25 is isolated with second row air flue 23 by the second separating part 24, and second cooling duct can be with
Two compartment portion forms conductive structure, can absorb exhaust gas heat in second row air flue;Second cooling duct 25 and the first cooling duct
15 are connected, so that the cooling duct that heat exchange cooling is carried out to circulation medium in first, second exhaust duct is formed, particularly by the
One second junction surface is directly docked, and further simplify cooling line, is reduced component weight and is taken up space.This embodiment party
The first junction surface 11 is mutually assembled with second junction surface in formula, and the first junction surface 11 has the first mounting hole 111, described second
Junction surface 21 has the second mounting hole 211, and first, second mounting hole is assembled and is relatively fixed by reinforcing member;Or
First junction surface 11 described in other embodiment has the first weld part, and second junction surface 21 has the second weld part,
First weld part is welded with second weld part by modes such as solderings.Second junction surface connects with sealing
Conjunction face 210, the second row air flue outwards runs through the sealing engagement face, and second mounting hole 211 is arranged in the second row
Air flue 23 and the outer radial periphery of the cooling duct 25, and second cooling duct 25 is located at the periphery of the second row air flue 23
Side, is easy to uniformly be absorbed heat with medium in exhaust duct.Second cooling duct 25 described further is cooled down including at least two parts
Runner, such as two parts, three parts, four parts or more parts, integrally extension is distributed in described two to second separating part
Between the coolant flow channel of part, the coolant flow channel structure that this is provided separately is mutually isolated each other, is easy to be manufactured and scattered
Open and more conducively uniformly absorbed heat with medium in exhaust duct.
As described above, engine cylinder cap assemblies are formed with aluminium alloy or other metals by being integrally formed mode, tool
Body the volute of engine cylinder cover and turbocharger pass through aluminum alloy gravity casting and realize internal complicated cooling duct and row
The structure of gas passage, i.e. cylinder cap housing 14 are aluminum alloy cylinder cover housing, and the volute of turbocharger is aluminium alloy spiral case housing, hair
The exhaust structure that motivation cylinder cap is formed protrudes outward setting, matrix part and the cylinder cap housing one of the exhaust structure from cylinder cap housing
Body is formed, and the first junction surface is formed at the matrix part end, relative with the second junction surface of Worm gear pressurizing unit scroll to connect fixation,
So that exhaust passage relative simplicity shortens, also relative simplicity shortens for cooling duct, cost reduction, exhaust increases from combustion chamber to turbine
The Distance Shortened of depressor turbine, turbocharger is sluggish caused by can also avoiding exhaust pathway long, starts so as to optimize lifting
The gas exhaust piping and cooling line of machine cylinder cap, it is relative to reduce the exhaust resonance between each cylinder of engine, it can also drop in addition
Low engine weight and taken up space, it is possible to decrease vehicle fuel consumption.
Although having been described above and illustrating exemplary embodiment, it will be appreciated by those skilled in the art that not
It can be variously modified on the premise of deviateing the scope of the invention, and equivalent can be carried out to its element.In addition, without departing from
Make a variety of changes to adapt to actual conditions or material according to teaching on the premise of essential scope of the present invention.It is therefore an objective to not
The specific embodiment disclosed in the preferred forms for implementing the present invention is limited the invention to, but the present invention includes falling into this
All embodiments in application range.
Claims (10)
1. a kind of engine cylinder cap assemblies, including cylinder cap, turbocharger, the cylinder cap are relatively fixed with turbocharger, wherein
Cylinder cap has matrix part, the first junction surface, and the matrix part is wholely set with the first junction surface, and the turbocharger has second
Junction surface, setting is engaged with second junction surface for first junction surface and opposing seal is set, first junction surface
It is connected with second junction surface and forms exhaust passage and/or cooling duct, the exhaust passage includes the first exhaust
Road, second row air flue, first junction surface form the first row air flue, and second junction surface forms second row air flue,
The outlet of the first row air flue is connected with the import of the second row air flue and forms the exhaust passage.
2. engine cylinder cap assemblies as claimed in claim 1, it is characterised in that the cylinder cap includes cylinder cap housing, described the
One junction surface is formed at the cylinder cap hull outside, and the outlet of the first row air flue outwards runs through first junction surface, described
Cylinder cap includes exhaust structure, and the exhaust structure is protruded outward from the cylinder cap housing of the cylinder cap, and the exhaust structure includes described
Matrix part, first junction surface, described matrix portion form at least a portion of the first row air flue, the first row air flue
Outlet outwards run through first junction surface, so as to form first row gas port, the first row gas port and the second exhaust
Road is connected, and setting is directed at the import of the second row air flue for the first row gas port and sealing is set.
3. engine cylinder cap assemblies as claimed in claim 2, it is characterised in that it is logical that the cylinder cap housing includes the first cooling
Road, has the first isolation part between first cooling duct and the first row air flue, first cooling duct is located at described
At least part periphery of first row air flue;
And/or, the first exhaust road has at least two vents, and the cylinder cap housing has at least one second isolation
Portion, second isolation part is located between at least two vent, and first isolation part, the second isolation part are integrated connection
Set.
4. the engine cylinder cap assemblies as described in claim 1 or 2 or 3, it is characterised in that first junction surface and described the
Two junction surfaces are mutually assembled, and first junction surface has the first mounting hole, and second junction surface has the second mounting hole, and this
First, the second mounting hole is assembled and is relatively fixed by reinforcing member;
Or, first junction surface has the first weld part, and second junction surface has the second weld part, first weldering
Socket part mutually welds setting with second weld part.
5. the engine cylinder cap assemblies as described in claim 1 or 2 or 3, it is characterised in that the cylinder cap also includes combustion chamber,
The combustion chamber is provided with air inlet, exhaust outlet, and the air inlet communicates with the air intake duct of the cylinder cap, the exhaust outlet and described the
One exhaust duct is communicated.
6. a kind of engine cylinder cover, the cylinder cap includes cylinder cap housing, exhaust structure, the exhaust structure is protruded outward from cylinder cap housing
Set, the exhaust structure includes matrix part, for the first junction surface connect relative with the volute of turbocharger, described matrix portion
Integrally formed with the cylinder cap housing, first junction surface is formed at the matrix part end, and the cylinder cap has first exhaust
Road, the first row air flue is extended along described matrix portion, and outwards runs through first junction surface, can be used in so as to be formed
The first row gas port being connected with the second row air flue of turbocharger.
7. engine cylinder cover as claimed in claim 6, it is characterised in that the engine cylinder cover is aluminum alloy cylinder cover body, institute
State the first junction surface have sealing mounting surface, the cylinder cap housing also include exhaust cooling duct, the exhaust cooling duct with
There is the first isolation part, first junction surface is outwards run through in the exhaust cooling duct between the first row air flue;
And/or, the first exhaust road has at least two vents, and two vents are outwards through the sealing peace
Dress face, the cylinder cap housing have at least one second isolation part, second isolation part be located at least two vent it
Between.
8. a kind of turbocharger of motor, the turbocharger includes volute, the volute, which has, to be used for and engine cylinder cover
Relative the second junction surface connect and second row air flue, the second row air flue outwards run through second junction surface, the volute
Also include separating part, at least one second cooling duct, the separating part is formed at the outer radial periphery of the second row air flue, so that
Second cooling duct can form the medium isolating construction of heat conduction with the second separating part.
9. turbocharger of motor as claimed in claim 8, it is characterised in that second junction surface, which has, to be sealingly engaged
Face, the sealing engagement is faced out through the second row air flue, and second junction surface has the second mounting hole, second installation
Hole is arranged in the outer radial periphery of second cooling duct, and second mounting hole is used to be assembled with engine cylinder cover and phase
To fixation;Or, second junction surface has the second weld part, and second weld part is used to mutually weld with engine cylinder cover
Set.
10. turbocharger of motor as claimed in claim 8 or 9, it is characterised in that second cooling duct is included extremely
Mutually isolated between few two parts coolant flow channel, two parts coolant flow channel, integrally extension is distributed in described two to the separating part
Between the coolant flow channel of part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710166695.4A CN106958493A (en) | 2017-03-20 | 2017-03-20 | Engine cylinder cap assemblies and its cylinder cap, turbocharger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710166695.4A CN106958493A (en) | 2017-03-20 | 2017-03-20 | Engine cylinder cap assemblies and its cylinder cap, turbocharger |
Publications (1)
Publication Number | Publication Date |
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CN106958493A true CN106958493A (en) | 2017-07-18 |
Family
ID=59470461
Family Applications (1)
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CN201710166695.4A Pending CN106958493A (en) | 2017-03-20 | 2017-03-20 | Engine cylinder cap assemblies and its cylinder cap, turbocharger |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114562361A (en) * | 2021-03-05 | 2022-05-31 | 长城汽车股份有限公司 | Gasoline engine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3948052A (en) * | 1972-10-27 | 1976-04-06 | Daimler-Benz Aktiengesellschaft | Installation of an exhaust gas turbo-charger at an internal combustion engine |
US5067452A (en) * | 1989-06-30 | 1991-11-26 | Elsbett L | Cylinder head and cylinder head cover for internal combustion engines |
WO2000068552A1 (en) * | 1999-05-11 | 2000-11-16 | Lysholm Technologies Ab | Combustion engine with supercharger |
JP2002303145A (en) * | 2001-04-05 | 2002-10-18 | Toyota Motor Corp | Internal combustion engine with turbo-charger |
CN205422967U (en) * | 2015-12-09 | 2016-08-03 | 重庆小康工业集团股份有限公司 | Integrated cylinder cap of exhaust manifold |
CN207278377U (en) * | 2017-03-20 | 2018-04-27 | 叶珏磊 | Engine cylinder cap assemblies and its cylinder cap, turbocharger |
-
2017
- 2017-03-20 CN CN201710166695.4A patent/CN106958493A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3948052A (en) * | 1972-10-27 | 1976-04-06 | Daimler-Benz Aktiengesellschaft | Installation of an exhaust gas turbo-charger at an internal combustion engine |
US5067452A (en) * | 1989-06-30 | 1991-11-26 | Elsbett L | Cylinder head and cylinder head cover for internal combustion engines |
WO2000068552A1 (en) * | 1999-05-11 | 2000-11-16 | Lysholm Technologies Ab | Combustion engine with supercharger |
JP2002303145A (en) * | 2001-04-05 | 2002-10-18 | Toyota Motor Corp | Internal combustion engine with turbo-charger |
CN205422967U (en) * | 2015-12-09 | 2016-08-03 | 重庆小康工业集团股份有限公司 | Integrated cylinder cap of exhaust manifold |
CN207278377U (en) * | 2017-03-20 | 2018-04-27 | 叶珏磊 | Engine cylinder cap assemblies and its cylinder cap, turbocharger |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114562361A (en) * | 2021-03-05 | 2022-05-31 | 长城汽车股份有限公司 | Gasoline engine |
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