EP1733132A1 - Water-cooled cylinder head for a multi-cylinder internal combustion engine - Google Patents
Water-cooled cylinder head for a multi-cylinder internal combustion engineInfo
- Publication number
- EP1733132A1 EP1733132A1 EP05726208A EP05726208A EP1733132A1 EP 1733132 A1 EP1733132 A1 EP 1733132A1 EP 05726208 A EP05726208 A EP 05726208A EP 05726208 A EP05726208 A EP 05726208A EP 1733132 A1 EP1733132 A1 EP 1733132A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder head
- water
- cooling
- combustion chamber
- water jacket
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002826 coolant Substances 0.000 claims abstract description 5
- 239000000498 cooling water Substances 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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
- F01P3/16—Arrangements for cooling other engine or machine parts for cooling fuel injectors or sparking-plugs
Definitions
- the invention relates to a water-cooled cylinder head for a multi-cylinder internal combustion engine according to the features of the preamble of claim 1.
- the object of the invention is therefore to overcome the disadvantages mentioned above and to improve the cooling in the highly stressed areas of the cylinder head housing.
- An additional cooling channel in the form of an injector hole ensures that the common annulus section is supplied directly with cooling water.
- a further improvement or optimization of the cooling of the cylinder head housing is achieved if the water jacket in the area of the combustion chamber calotte and the inlet and outlet channels monitored by the valves have an essentially uniform wall thickness between 3 and 7 mm. Due to the constant water jacket thickness, higher flow rates of the cooling water can be achieved and thus the heat transfer can be improved.
- a need-based cooling is ensured in that a main cooling flow runs between the two outlet valves in the direction of the receiving opening for the spark plug, while two secondary cooling flows are formed on the outside past the two outlet valves.
- FIG. 1 shows a geometrical illustration of a water jacket in the cylinder head housing of an internal combustion engine
- FIG. 2 shows a view of the water jacket in viewing direction A according to FIG. 1
- FIG. 3 shows a view of the water jacket in viewing direction B according to FIG. 1
- FIG. 4 shows an oblique view of the water jacket 1 and 5, a section through part of the cylinder head housing in the area of the receptacle for the spark plug.
- cylinder head cooling chamber 2 a water jacket, hereinafter referred to as cylinder head cooling chamber 2, which is integrated in a cylinder head housing 4 of a multi-cylinder internal combustion engine.
- the cylinder head cooling chamber 2 of each cylinder is supplied with cooling water via a central inflow opening 6 in the cylinder head housing 4.
- a delta-shaped outflow opening 8 is provided, through which the coolant heated by the cylinder head housing 4 flows out to the suction side of the water pump, not shown, of the internal combustion engine.
- the geometrical illustration of the cylinder head cooling chamber 2 shows two recesses 10 and 12 for the two exhaust valves and exhaust ports of the internal combustion engine; an opening 14 provided centrally in the cylinder head cooling space 2 forms the receptacle or the dome for a spark plug (not shown) of the cylinder in question.
- a recess 22 for the two inlet valves or inlet ducts of the cylinder head section follows behind the two web-shaped recesses 16, 18 and the central opening 14.
- the central annular space section 32 which extends over the arc length s (see FIG. 2), has a substantially constant height towards the combustion chamber trough 20, so that at least in this area the wall thickness a of the combustion chamber cap 36 is uniform and in the vertical direction up to close the combustion chamber trough 36 is brought up.
- the wall thickness a of the combustion chamber cap 36 is reduced in the area of the annular space section 32 to between 5 and 10 mm.
- a section 14a of the receiving opening 14 for the spark plug is reduced in diameter compared to the section 14b lying above it.
- section 14a of the receiving opening 14 the spark plug thread is introduced, the length of which has been deliberately chosen such that the Central annulus section 32 and the two annulus sections 32 ' adjoining it on the left and right with their arc lengths s ' extend in the vertical direction exclusively at the level of the reduced thread diameter (section 14a), so that the cooling water jacket or the cylinder head cooling chamber 2 comes close to the spark plug dome is.
- the cylinder head cooling chamber 2 is formed in the area of the combustion chamber cap 36 and the inlet and exhaust valves with a substantially uniform thickness or thickness, which is between 3 and 7 mm.
- the measures described above can be used to effectively reduce the temperature peaks caused by the high heat input to the spark plug and the valve seat rings in this area.
- the flow cross sections on the inflow side of the cylinder head cooling space 2 are designed such that the cooling water flow is divided into a main cooling flow Qi, Q 2 and Q 3 and two secondary cooling flows Q 4 and Q 5 .
- the main cooling flow Qi, Q 2 and Q 3 is conducted between the two exhaust valves (recess 10, 12) in the direction of the spark plug dome (central opening 14), while the secondary cooling flows Q 4 and Q 5 run in the left and right edge areas of the cylinder head cooling chamber 2.
- the cutouts 23, 24 mentioned at the beginning form constrictions for the two secondary cooling flows Q and Q 5 , so that the entire cooling water flow is divided, for example, in such a way that 50% of it flows in the direction of the main cooling flow Qi, Q 2 and Q 3 between the two exhaust valves of the spark plug dome are guided, while 25% of each are supplied via the secondary cooling flows Q 4 and Q 5 to the left and right edge regions of the cylinder head cooling chamber.
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004015134A DE102004015134A1 (en) | 2004-03-27 | 2004-03-27 | Water-cooled cylinder head for a multi-cylinder internal combustion engine |
PCT/EP2005/002723 WO2005093242A1 (en) | 2004-03-27 | 2005-03-15 | Water-cooled cylinder head for a multi-cylinder internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1733132A1 true EP1733132A1 (en) | 2006-12-20 |
EP1733132B1 EP1733132B1 (en) | 2011-11-02 |
Family
ID=34963179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05726208A Active EP1733132B1 (en) | 2004-03-27 | 2005-03-15 | Water-cooled cylinder head for a multi-cylinder internal combustion engine |
Country Status (5)
Country | Link |
---|---|
US (1) | US7128029B2 (en) |
EP (1) | EP1733132B1 (en) |
JP (1) | JP2007530851A (en) |
DE (1) | DE102004015134A1 (en) |
WO (1) | WO2005093242A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005050510A1 (en) * | 2005-10-21 | 2007-04-26 | Bayerische Motoren Werke Ag | Cylinder head for a water-cooled internal combustion engine comprises a coolant channel having a flow cross-section which is constant in the flow direction of the coolant from an inlet opening up to a collection channel |
DE102007062347B4 (en) * | 2007-12-22 | 2024-02-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Cooling arrangement for a cylinder head of an internal combustion engine |
JP5146195B2 (en) * | 2008-08-20 | 2013-02-20 | トヨタ自動車株式会社 | V-type internal combustion engine cooling device and V-type internal combustion engine |
JP5330088B2 (en) * | 2009-05-15 | 2013-10-30 | 本田技研工業株式会社 | Cylinder head water jacket structure |
AT506474B1 (en) * | 2009-06-15 | 2010-12-15 | Avl List Gmbh | CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE |
CN101956627B (en) * | 2010-06-08 | 2012-10-03 | 东风汽车公司 | Gasoline engine cylinder cover with enhanced cooling bridge area high temperature part |
DE102010036392B4 (en) | 2010-07-14 | 2021-10-07 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Liquid-cooled cylinder head for an internal combustion engine |
CN103835830B (en) * | 2012-11-21 | 2016-06-01 | 重庆长安汽车股份有限公司 | The watercooling jacket of a kind of staggered form three cylinder engine with supercharger cylinder head |
DE102015103905A1 (en) * | 2015-03-17 | 2016-09-22 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Cylinder head for an internal combustion engine with coolant channels |
DE102016216360B4 (en) | 2016-08-30 | 2023-01-26 | Bayerische Motoren Werke Aktiengesellschaft | Cylinder head for an internal combustion engine |
JP2018131921A (en) * | 2017-02-13 | 2018-08-23 | ヤマハ発動機株式会社 | Water cooled SOHC engine |
AT16206U1 (en) * | 2017-12-19 | 2019-03-15 | Ge Jenbacher Gmbh & Co Og | Cylinder head for an internal combustion engine |
DE112019006640T5 (en) * | 2019-01-10 | 2021-10-07 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | MOTOR AND INVERTER INTEGRATED ROTATING ELECTRIC MACHINE |
FR3105649B1 (en) * | 2019-12-19 | 2021-11-26 | Valeo Equip Electr Moteur | Cooled rotating electric machine |
US20220242253A1 (en) * | 2021-02-02 | 2022-08-04 | Toyota Jidosha Kabushiki Kaisha | Electric vehicle |
US11286876B1 (en) * | 2021-07-06 | 2022-03-29 | Caterpillar Inc. | Cylinder head assembly and cylinder head having igniter cooling moat |
US11536220B1 (en) * | 2022-03-10 | 2022-12-27 | Caterpillar Inc. | Passive igniter cooling in cylinder head assembly |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1134200A (en) * | 1966-10-05 | 1968-11-20 | Paxman & Co Ltd Davey | Improvements in and relating to internal combustion engines |
DE3516453A1 (en) * | 1985-05-08 | 1986-11-13 | Audi AG, 8070 Ingolstadt | LIQUID-COOLED CYLINDER HEAD |
JPS61268849A (en) * | 1985-05-24 | 1986-11-28 | Toyota Motor Corp | Construction of cooling water passage in cylinder head of internal-combustion engine |
DE4116943C2 (en) * | 1991-05-24 | 1997-05-22 | Daimler Benz Ag | Liquid-cooled four-valve cylinder head for a multi-cylinder internal combustion engine |
JP4067210B2 (en) * | 1999-02-03 | 2008-03-26 | トヨタ自動車株式会社 | Cylinder head cooling structure for internal combustion engine |
US20020124815A1 (en) * | 2001-03-06 | 2002-09-12 | Toyota Jidosha Kabushiki Kaisha | Cooling structure of cylinder head and method for manufacturing cylinder head |
DE10237664A1 (en) * | 2002-08-16 | 2004-02-19 | Dr.Ing.H.C. F. Porsche Ag | Cylinder head for water-cooled multi-cylinder internal combustion engine has main cooling flow on inflow side between two exhaust valves |
-
2004
- 2004-03-27 DE DE102004015134A patent/DE102004015134A1/en not_active Ceased
-
2005
- 2005-03-15 WO PCT/EP2005/002723 patent/WO2005093242A1/en active Application Filing
- 2005-03-15 EP EP05726208A patent/EP1733132B1/en active Active
- 2005-03-15 JP JP2007504305A patent/JP2007530851A/en active Pending
- 2005-10-20 US US11/264,350 patent/US7128029B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2005093242A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1733132B1 (en) | 2011-11-02 |
DE102004015134A1 (en) | 2005-10-13 |
US7128029B2 (en) | 2006-10-31 |
US20060054112A1 (en) | 2006-03-16 |
WO2005093242A1 (en) | 2005-10-06 |
JP2007530851A (en) | 2007-11-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1733132B1 (en) | Water-cooled cylinder head for a multi-cylinder internal combustion engine | |
DE10202661B4 (en) | Cylinder head for several cylinders | |
EP1884647B1 (en) | Liquid-cooled cylinder head for a combustion engine | |
EP3333398B1 (en) | Cylinder head | |
AT513383B1 (en) | Cylinder head for an internal combustion engine | |
DE112007000918B4 (en) | Cylinder head for an engine and engine | |
DE60116053T2 (en) | Internal combustion engine | |
EP1532359B1 (en) | Cylinder head for a water-cooled multi-cylinder internal combustion engine | |
EP1733133A1 (en) | Water-cooled cylinder head for a multi-cylinder internal combustion engine | |
DE2816923C2 (en) | Cylinder head for internal combustion engines | |
AT513262A4 (en) | Cylinder head for an internal combustion engine | |
AT522271B1 (en) | COMBUSTION ENGINE WITH AT LEAST ONE CYLINDER | |
EP0819837A1 (en) | Cooling circuit of an internal combustion engine | |
DE102014012503B4 (en) | Internal combustion engine with water jacket for cooling a crankcase and a cylinder head | |
AT516742B1 (en) | INTERNAL COMBUSTION ENGINE WITH A LIQUID COOLED CYLINDER BLOCK | |
DE60131487T2 (en) | Cylinder head cooling water structure and method of manufacture | |
DE102015104591B4 (en) | Exhaust duct of an internal combustion engine, in particular with an exhaust gas turbocharger, and internal combustion engine with such an exhaust duct | |
AT513746B1 (en) | Cylinder head for an internal combustion engine | |
DE102019212200A1 (en) | CYLINDER HEAD WITH IMPROVED VALVE BRIDGE COOLING | |
DE3615018C1 (en) | Valve stem guide for an exhaust valve | |
DE102010036392B4 (en) | Liquid-cooled cylinder head for an internal combustion engine | |
WO2018041552A1 (en) | Cylinder head for an internal combustion engine | |
EP0602321B1 (en) | Cooling device for combustion chamber opening or cylinder liner head | |
DE10126493B4 (en) | Piston with inclined to the main axes cooling channel | |
DE102019212115A1 (en) | CYLINDER HEAD WITH IMPROVED VALVE BRIDGE COOLING |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20061027 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT SE |
|
17Q | First examination report despatched |
Effective date: 20070305 |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT SE |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: WENDL, CHRISTIAN Inventor name: REUSTLE, ALBRECHT Inventor name: ICKINGER, FRANK Inventor name: SCHWEIZER, ARMIN Inventor name: PAUL, MICHAEL |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DR. ING. H.C. F. PORSCHE AG |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT SE |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: ICKINGER, FRANK Inventor name: PAUL, MICHAEL Inventor name: WENDL, CHRISTIAN Inventor name: REUSTLE, ALBRECHT Inventor name: SCHWEIZER, ARMIN |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502005012100 Country of ref document: DE Effective date: 20111229 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20111102 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20120803 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502005012100 Country of ref document: DE Effective date: 20120803 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 12 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 13 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 14 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20200323 Year of fee payment: 16 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20200319 Year of fee payment: 16 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20200318 Year of fee payment: 16 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20210315 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210315 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210315 |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230526 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20240229 Year of fee payment: 20 |