WO2010122095A1 - Zylinderkopf einer brennkraftmaschine - Google Patents
Zylinderkopf einer brennkraftmaschine Download PDFInfo
- Publication number
- WO2010122095A1 WO2010122095A1 PCT/EP2010/055332 EP2010055332W WO2010122095A1 WO 2010122095 A1 WO2010122095 A1 WO 2010122095A1 EP 2010055332 W EP2010055332 W EP 2010055332W WO 2010122095 A1 WO2010122095 A1 WO 2010122095A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cylinder head
- cooling
- coolant
- transverse
- channel
- Prior art date
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
- 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
-
- 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
- F01P3/12—Arrangements for cooling other engine or machine parts
- F01P3/14—Arrangements for cooling other engine or machine parts for cooling intake or exhaust valves
Definitions
- the invention relates to a cylinder head of an internal combustion engine having a plurality of cylinders with an inlet side and an outlet side with at least two outlet channels per cylinder, wherein in the cylinder head, a first coolant jacket is arranged, which has a first coolant collecting channel extending along the cylinder head on the outlet side over the outlet channels wherein the first coolant collection channel is connected to the outlet channels at least partially surrounding cooling chambers, which are flow-connected to at least one transfer opening in a cylinder head gasket plane, wherein per cylinder a first transfer opening is arranged in a first engine transverse plane including a cylinder axis, wherein from each first transfer opening a first cooling transverse passage in the first engine transverse plane between each two exhaust ports, which splits in the region of the cylinder axis in two partial cooling passages, each part Each partial cooling passage is connected via a second cooling transverse passage with the first coolant collecting passage, wherein each second cooling transverse passage in the region of at least one Zylinderkopfschraubenb
- a cylinder head for an internal combustion engine which has a coolant jacket.
- the exhaust ducts open into a common exhaust manifold of the cylinder head.
- a first cooling space and above the outlet channels a second cooling space is arranged below the outlet channels.
- the coolant flows from a crossing opening of the cylinder head gasket level into the first cooling space, flows around the outlet channels at least partially and flows in the region of an engine longitudinal plane containing the cylinder axes up into the second cooling space and leaves the coolant jacket via a coolant outlet opening.
- the transfer opening and the coolant outlet are located on different end faces of the cylinder head, so that the coolant jacket is flowed through substantially in the longitudinal direction.
- the disadvantage is that areas of high thermal stress around the outlet openings close to the center of the cylinder are insufficiently cooled.
- JP 2009/047025 A discloses a cylinder head for an internal combustion engine with a coolant jacket, which has a coolant collecting channel which extends along the cylinder head on the outlet side over the outlet channels, wherein the coolant collecting channel with, surrounding the outlet channels, Cold rooms is connected.
- the cold rooms are connected via transfer openings with a cooling jacket in the crankcase in connection.
- a first cooling transverse passage extends in a cylinder axis containing the first engine transverse plane between two exhaust ports, which splits in the region of the cylinder axis into two partial cooling passages, each partial cooling passage each surrounds an outlet passage in the region of a respective outlet port at an angle of about 180 ° ,
- the first cooling transverse passage is connected to the coolant collecting passage via a second cooling transverse passage.
- the coolant jacket extends over both the exhaust side and the intake side of the cylinder head.
- the object of the invention is to avoid this disadvantage and to improve the cooling of thermally critical areas in a cylinder head of the type mentioned.
- the transversely directed first and second cooling transverse passages and the partial cooling passages flowing around the outlet channels in the region of the outlet openings in the region of the engine longitudinal plane ensure sufficient cooling of areas subject to high thermal stress around the outlet openings. It can be provided that the partial cooling passages of two adjacent cylinders are flow-connected to one another via a connecting channel. Each connection channel can be flow-connected to a second overflow opening in the cylinder head gasket plane. The second overflow openings are preferably arranged in the regions of the second engine transverse planes.
- the first cooling transverse passage is flow-connected to the coolant collecting duct via a riser duct, wherein preferably the riser duct has a throttle body with a defined cross section. Through the riser and the throttle point, a fine-tuning of the local cooling effect can be performed.
- the cylinder head from the cylinder block to the first coolant collection channel or from the first coolant collection channel to the cylinder be flowed through block.
- the first coolant collecting channel is connected to a pressure sink, so that the coolant flows from the transfer openings via the first cooling transverse passages, the partial cooling passages and the second cooling transverse passages into the first coolant collecting channel.
- a reverse coolant flow may be obtained when the first coolant collection channel is connected to a pressure source such that the coolant is flowable from the first coolant collection channel via the second cooling transverse passages, the partial cooling passages, and the first cooling transverse passages to the transfer ports.
- a simplification of the production can be achieved if at least one first cooling passage is formed at least in sections by at least one bore.
- a second coolant jacket is arranged, which is hydraulically separated from the first coolant jacket within the cylinder head, wherein preferably the second cooling jacket is arranged completely on the inlet side.
- the second cooling jacket has a second coolant collecting channel which extends along the cylinder head on the inlet side, wherein preferably the second coolant collecting channel is arranged between the inlet channels and the cylinder head gasket plane
- FIG. 1 shows a first coolant jacket of a cylinder head according to the invention in an oblique view from the inlet side.
- 5 shows the first coolant jacket in a side view from the inlet side; 6 shows the first coolant jacket in a section according to the line VI-
- FIG. 8 shows the cylinder head according to the invention in a cross section in the first engine transverse plane
- FIG. 9 shows the cylinder head in a section along the line IX-IX in Fig. 8.
- FIG. 10 shows the cylinder head according to the invention in a further embodiment in a cross section in the first engine transverse plane.
- FIG. 11 shows a first and second coolant jacket of a cylinder head according to the invention in a further embodiment in an oblique view from the inlet side;
- FIG. 16 shows this cylinder head in a section according to the lines XVI-XVI in FIG. 15.
- FIG. 16 shows this cylinder head in a section according to the lines XVI-XVI in FIG. 15.
- the cylinder head 10 shown in FIG. 8 and FIG. 9 has a first coolant jacket 1 arranged completely on the outlet side 11 of the cylinder head 10. Exhaust side 11 and inlet side 12 of the cylinder head 10 are located on different sides of a motor longitudinal plane 14 extending through the cylinder axes 13.
- the first coolant jacket 1 is shown explicitly in FIGS. 1 to 7. It has a first coolant collecting channel 5, which extends in the longitudinal direction of the cylinder head 10 above the outlet channels, that is on the side facing away from the cylinder head gasket 15 side of the outlet channels.
- Per cylinder is in the cylinder head gasket 15 of the cylinder head 10, a first transfer opening 3 in the region each one, through the cylinder axis 13 extending first engine transverse plane 16 between each two exhaust ports 17 are arranged. From each first crossing opening 3 is an in The first cooling transverse passage 4 arranged in the region of the valve bridge 18 between the two outlet orifices of the first engine transverse plane 16, wherein the regions of the outlet orifices are indicated by the reference numeral 2. Before the engine longitudinal plane 14, the first cooling transverse passage 4 splits into two partial cooling passages 6, 7, each partial cooling passage 6, 7 surrounding the respective outlet passage 17 in the region 2 of the outlet orifice at an angle ⁇ of approximately 180 °.
- the two partial cooling passages 6, 7 of adjacent cylinders are flow-connected to one another via a connecting channel 21.
- each partial cooling passage 6, 7 is connected to the coolant collecting duct 5 via a second cooling transverse passage 8, 9.
- the first cooling transverse passage 4 is connected to the coolant collecting passage 5 via a riser passage 4a, in which a throttle restriction 4b is arranged.
- the riser duct 4a and the throttle body 4b serve to fine-tune the cooling capacity of the first coolant jacket 1.
- the partial cooling passages 8, 9 of two adjacent cylinders can be flow-connected to one another via a connecting channel, the connecting channel 21 each having a second transfer opening 23 in the cylinder head sealing plane 15 can be connected to the first coolant jacket 1 of the cylinder block.
- FIGS. 1 to 7 show the flow S for an application in which the first coolant collecting channel 5 is connected to a pressure sink.
- the coolant flows according to the arrows S through the first transfer openings 3 in the cylinder head sealing plane 15 of the cylinder head 10 from the not shown first coolant jacket 1 of the cylinder block coming in area 2 of the valve bridge 18 between two outlet channel and enters the first cooling transverse passage 4, which the Valve bridge 18 crosses.
- the coolant flows according to the arrows S 2 , S3 in the partial cooling passages 6, 7 and flows around the outlet channels 17 in the region 2 of the outlet openings in the extent of an angle ⁇ of about 180 °.
- the coolant flows via the second cooling transverse passages 8, 9 along the exhaust ducts 17 obliquely upward to the first coolant collecting duct 5 and leaves the cylinder head 10 through a arranged on a cylinder head end coolant outlet 22.
- the coolant can the cylinder head 10 through one in the region of one side Leave the cylinder head 10 arranged coolant outlet 22a, as shown in FIGS. 11 to 14 can be seen.
- This variant has the advantage that the temperature and pressure differences in the first coolant jacket 1 between the first and last cylinder are relatively small and thus a more uniform cooling of the individual cylinders is possible.
- a partial flow Si branches in the region of the valve bridge 18 from the main flow S and flows in a U-shaped arc through the throttle 4 b and the rising channel 4a directly into the first coolant collecting channel 5, while the main flow S of the coolant flow to a arranged in the region 13a around the cylinder axis 13 ignition device or injector flows.
- FIG. 10 shows an alternative embodiment of a cylinder head 10 in a cross-section analogous to FIG. 8, wherein the first cooling passages are formed at least in sections by bores 40.
- the holes 40 are sealed to the outside with not shown plugs. Due to the drilled design of the first cooling passages 4, a simplified production can be achieved.
- FIGS. 15 and 16 show a cylinder head 10 in a variant in which, in addition to the first coolant jacket 1 on the outlet side 11, a second coolant jacket 50 is arranged on the inlet side 12.
- FIGS. 11 to 14 show core illustrations of the corresponding first and second coolant jackets 1, 50.
- the first and second coolant jackets 1, 50 in the cylinder head 10 are designed to be separated from one another. This makes it possible to optimally and independently design the cooling of the outlet side 11 and the inlet side 12, respectively.
- the slugs 58 are for technical reasons, such as storage of the cores, provided extensions.
- the second coolant jacket 50 also has a second coolant collection channel 51, which extends below the inlet channels 56 along the cylinder head 10 in the region of the inlet-side side wall 10a of the cylinder head 10.
- a cooling channel 52 is provided for cooling a glow plug inserted into a glow plug shaft 53.
- the coolant passes via transition openings 54, 55 in the cylinder head sealing plane 15 coming from the cylinder block into the cooling channels 52 which, after passing through the glow plug ducts 53, open into the second coolant collection channel 51.
- the coolant leaves the cylinder head 10 via a coolant outlet 57 on a cylinder head end side.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080017446.5A CN102498278B (zh) | 2009-04-23 | 2010-04-22 | 内燃机的气缸盖 |
US13/138,920 US8662028B2 (en) | 2009-04-23 | 2010-04-22 | Cylinder head of an internal combustion engine |
DE112010001720.4T DE112010001720B4 (de) | 2009-04-23 | 2010-04-22 | Kühlmittelkanalanordnung für einen Zylinderkopf einer Brennkraftmaschine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA622/2009 | 2009-04-23 | ||
AT0062209A AT506473B1 (de) | 2009-04-23 | 2009-04-23 | Zylinderkopf einer brennkraftmaschine |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010122095A1 true WO2010122095A1 (de) | 2010-10-28 |
Family
ID=41057721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/055332 WO2010122095A1 (de) | 2009-04-23 | 2010-04-22 | Zylinderkopf einer brennkraftmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US8662028B2 (de) |
CN (1) | CN102498278B (de) |
AT (1) | AT506473B1 (de) |
DE (1) | DE112010001720B4 (de) |
WO (1) | WO2010122095A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016012017A1 (de) | 2016-10-07 | 2018-04-12 | Daimler Ag | Verbrennungskraftmaschine für ein Kraftfahrzeug, insbesondere für einen Kraftwagen |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4832415B2 (ja) * | 2007-12-13 | 2011-12-07 | トヨタ自動車株式会社 | シリンダヘッド洗浄方法及びシリンダヘッド洗浄装置 |
CN102937054B (zh) * | 2012-10-15 | 2015-03-25 | 安徽江淮汽车股份有限公司 | 一种发动机缸盖水套 |
CN103291487B (zh) * | 2013-05-27 | 2015-06-03 | 安徽江淮汽车股份有限公司 | 一种发动机气缸盖冷却水系统 |
GB2518655B (en) * | 2013-09-27 | 2016-03-16 | Jaguar Land Rover Ltd | Fluid cooling system |
GB2527328A (en) * | 2014-06-18 | 2015-12-23 | Gm Global Tech Operations Inc | An engine block for an internal combustion engine |
JP6303991B2 (ja) * | 2014-11-13 | 2018-04-04 | トヨタ自動車株式会社 | シリンダヘッド |
JP6390368B2 (ja) | 2014-11-13 | 2018-09-19 | トヨタ自動車株式会社 | シリンダヘッド |
GB2536030A (en) * | 2015-03-04 | 2016-09-07 | Gm Global Tech Operations Llc | A water jacket for an internal combustion engine |
AT517127B1 (de) | 2015-05-07 | 2019-12-15 | Avl List Gmbh | Zylinderkopf für eine brennkraftmaschine |
JP6747029B2 (ja) * | 2016-04-14 | 2020-08-26 | 三菱自動車工業株式会社 | エンジンのシリンダヘッド |
CN106246318A (zh) * | 2016-08-31 | 2016-12-21 | 奇瑞商用车(安徽)有限公司 | 一种发动机冷却结构 |
CH713618A1 (de) * | 2017-03-22 | 2018-09-28 | Liebherr Machines Bulle Sa | Flüssigkeitsgekühlter Verbrennungsmotor. |
GB2562727B (en) * | 2017-05-22 | 2020-02-12 | Ford Global Tech Llc | A Motor Vehicle Cylinder Head |
CN110500197A (zh) * | 2018-05-18 | 2019-11-26 | 宝沃汽车(中国)有限公司 | 发动机和具有其的车辆 |
US11022020B2 (en) * | 2018-09-18 | 2021-06-01 | Deere & Company | Cylinder head with improved valve bridge cooling |
AT524536B1 (de) * | 2021-03-15 | 2022-07-15 | Avl List Gmbh | Flüssigkeitsgekühlte brennkraftmaschine |
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US5095704A (en) * | 1988-01-11 | 1992-03-17 | Yamaha Hatsudoki Kabushiki Kaisha | Turbocharged engine |
EP1258609A2 (de) | 2001-05-17 | 2002-11-20 | Honda Giken Kogyo Kabushiki Kaisha | Wassergekühlte Brennkraftmaschine |
US20030221641A1 (en) * | 2002-05-28 | 2003-12-04 | Chang-Seok Oh | Water jacket for cylinder head |
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EP1884647A2 (de) * | 2006-08-04 | 2008-02-06 | Bayerische Motoren Werke Aktiengesellschaft | Flüssigkeitsgekühlter Zylinderkopf für eine Brennkraftmaschine |
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JP2009047025A (ja) | 2007-08-16 | 2009-03-05 | Toyota Motor Corp | 内燃機関のシリンダヘッド |
DE102007048021A1 (de) * | 2007-10-06 | 2009-04-09 | Bayerische Motoren Werke Aktiengesellschaft | Flüssigkeitsgekühlter Zylinderkopf für eine Brennkraftmaschine |
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JP3155993B2 (ja) * | 1992-12-11 | 2001-04-16 | ヤマハ発動機株式会社 | 多弁式エンジンのシリンダヘッド冷却構造 |
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JP4411335B2 (ja) * | 2007-05-16 | 2010-02-10 | 本田技研工業株式会社 | 水冷式内燃機関のウォータジャケット構造 |
DE102007030482B4 (de) * | 2007-06-30 | 2018-12-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Kühlkanäle im Zylinderkopf einer Brennkraftmaschine |
US8051810B2 (en) * | 2008-04-21 | 2011-11-08 | Hyundai Motor Company | Coolant passage within a cylinder head of an internal combustion engine |
-
2009
- 2009-04-23 AT AT0062209A patent/AT506473B1/de active
-
2010
- 2010-04-22 US US13/138,920 patent/US8662028B2/en active Active
- 2010-04-22 WO PCT/EP2010/055332 patent/WO2010122095A1/de active Application Filing
- 2010-04-22 DE DE112010001720.4T patent/DE112010001720B4/de active Active
- 2010-04-22 CN CN201080017446.5A patent/CN102498278B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5095704A (en) * | 1988-01-11 | 1992-03-17 | Yamaha Hatsudoki Kabushiki Kaisha | Turbocharged engine |
EP1258609A2 (de) | 2001-05-17 | 2002-11-20 | Honda Giken Kogyo Kabushiki Kaisha | Wassergekühlte Brennkraftmaschine |
US20030221641A1 (en) * | 2002-05-28 | 2003-12-04 | Chang-Seok Oh | Water jacket for cylinder head |
JP2006083770A (ja) | 2004-09-16 | 2006-03-30 | Toyota Motor Corp | 内燃機関のシリンダヘッド |
EP1884647A2 (de) * | 2006-08-04 | 2008-02-06 | Bayerische Motoren Werke Aktiengesellschaft | Flüssigkeitsgekühlter Zylinderkopf für eine Brennkraftmaschine |
US20080314339A1 (en) | 2007-06-22 | 2008-12-25 | Toyota Jidosha Kabushiki Kaisha | Structure for cooling internal combustion engine |
JP2009047025A (ja) | 2007-08-16 | 2009-03-05 | Toyota Motor Corp | 内燃機関のシリンダヘッド |
DE102007048021A1 (de) * | 2007-10-06 | 2009-04-09 | Bayerische Motoren Werke Aktiengesellschaft | Flüssigkeitsgekühlter Zylinderkopf für eine Brennkraftmaschine |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016012017A1 (de) | 2016-10-07 | 2018-04-12 | Daimler Ag | Verbrennungskraftmaschine für ein Kraftfahrzeug, insbesondere für einen Kraftwagen |
Also Published As
Publication number | Publication date |
---|---|
CN102498278B (zh) | 2014-03-12 |
AT506473A2 (de) | 2009-09-15 |
DE112010001720A5 (de) | 2012-07-05 |
AT506473B1 (de) | 2010-12-15 |
DE112010001720B4 (de) | 2024-02-22 |
US8662028B2 (en) | 2014-03-04 |
AT506473A3 (de) | 2010-01-15 |
US20120090566A1 (en) | 2012-04-19 |
CN102498278A (zh) | 2012-06-13 |
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