EP2737188A1 - Zylinderkopf mit flüssigkeitskühlung - Google Patents
Zylinderkopf mit flüssigkeitskühlungInfo
- Publication number
- EP2737188A1 EP2737188A1 EP12740346.7A EP12740346A EP2737188A1 EP 2737188 A1 EP2737188 A1 EP 2737188A1 EP 12740346 A EP12740346 A EP 12740346A EP 2737188 A1 EP2737188 A1 EP 2737188A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- cylinder head
- bore
- channel
- annular space
- 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
Classifications
-
- 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
-
- 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
-
- 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
- F02F1/242—Arrangement of spark plugs or injectors
-
- 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
Definitions
- the invention relates to a cylinder head with liquid cooling, with an opening into a combustion chamber inlet port and an outlet port per cylinder, with a merging into the combustion chamber and adjacent to the intake port and the exhaust port fuel injector, and at least one cylinder head arranged in the cooling chamber, wherein in one area the fire deck is arranged a substantially parallel to the fire deck extending, in particular drilled or precast, cooling distribution channel, which opens into a surrounding the fuel injector annular space, wherein the annular space has at least one substantially radial, first cooling bore, which is formed on a between inlet channel and outlet and directed to the fire deck adjacent valve land area.
- JP 62-169221 U discloses a cylinder head with two inlet valves and two outlet valves per cylinder, wherein an inlet channel in the valve land area between the two outlet valves opens into an annular space surrounding a fuel injection nozzle. From this annulus another cooling line leads to the valve land area between inlet and outlet valves and further into a cold room.
- a cylinder head wherein a cooling channel, coming from a water jacket of the cylinder block, leads into an annular space surrounding an injection nozzle and thereby passes a valve land area between inlet and outlet valve.
- a cylinder head of a water-cooled internal combustion engine with an inlet channel and an outlet channel, as well as a fuel device opening into the combustion chamber, is known, wherein in the region of the valve stem ges disposed between the two valves, a cooling distribution channel, which opens into a surrounding the fuel injector annulus.
- the fuel injection device is - viewed in the flow direction of the cooling liquid - arranged after the valve land area.
- this is achieved in that at least one, preferably substantially tangentially directed to the outlet channel, further cooling bore emanates from the annulus and / or from the cooling distribution channel, wherein preferably disposed between the inlet channel and the outlet valve valve land - viewed in the flow direction of the coolant - downstream of the annular space is arranged.
- the cooling distribution channel arranged upstream of the annular space may have a flow cross-section which, for example at least twice, is greater than the flow cross-section of the first cooling bore and any further cooling bores. This allows a high heat transfer into the coolant.
- the cooling distribution channel can have the same direction as the first cooling bore (valve throat cooling bore), wherein the axes of the first cooling bore and the cooling distribution channel can be aligned parallel, preferably coaxially.
- the first cooling hole is thus arranged diametrically to the cooling distribution channel - with respect to the annular space - whereby the first cooling hole can be drilled from the side of the cooling distribution channel. This is in particular easily possible if the annular space is formed by a cast slug of the cylinder head and a receiving sleeve for the fuel injection device inserted into a bore of the cast iron casing.
- a second cooling hole in the region of the fire deck preferably in the region of the junction of the cooling distribution channel in the annulus, be arranged.
- a third cooling bore can emanate from an upper region of the annular space, wherein preferably the third cooling bore is spaced from the second cooling bore-viewed in the direction of the cylinder axis. This third cooling hole can also be used to vent the annulus.
- Fig. 1 shows a cylinder head according to the invention in a section according to the
- Fig. 2 shows the cylinder head in a section along the line II-II in Fig. 1;
- Fig. 3 the cylinder head in a section along the line III-III in Fig. 1;
- Fig. 4 shows the cylinder head in an oblique view.
- the cylinder head 1 of an internal combustion engine cooled with coolant has an inlet channel 2 and an outlet channel 3 per cylinder, inlet channel 2 and outlet channel 3 opening via an inlet opening 4 and an outlet opening 5, respectively, into a combustion chamber (not further described).
- Inlet and outlet ports 4, 5 are controlled by not shown lifting valves.
- the cylinder head 1 has at least one cooling space 20, wherein in a region of the fire deck 9 of the cylinder head 1 a material accumulation 10 is arranged with a substantially parallel to the fire deck 9 extending, drilled or cast cooling distribution channel 11, which in a fuel injector 7 surrounding annular space for cooling the fuel injection device 7 opens.
- the annular space 8 is through the slug 6 and a in formed the slug 6 receiving sleeve 12 for the fuel injection device 7.
- the annular space 8 has a radial first cooling bore 13, which is directed onto a valve web area 14 arranged between the inlet opening 4 and the outlet opening 5.
- the valve land area 14 is located - viewed in the flow direction of the coolant - downstream of the annular space 8.
- the first cooling hole 13, which serves to cool the valve land area 14, has the same orientation as the cooling distribution channel 11, wherein the axes I Ia, 13a of the cooling distribution channel 11 and the first cooling hole 13 are parallel, preferably coaxially aligned and are easier to produce.
- the cooling distribution channel 11 arranged upstream of the annular space 8 has a flow cross-section which is equal to or substantially larger, for example twice as large as the flow cross-section of the first cooling bore 13.
- a second cooling bore 15 and a third cooling bore 16 extend from the annular space 8 and / or from the cooling distribution channel 11, the second cooling bore 15 being arranged in the region of the fire deck 9, for example in the region of the junction of the cooling distribution channel 13 into the annular space 8 can.
- the third cooling bore 16 starts from an upper region 8a of the annular space 8 facing away from the fire deck 9 and is spaced from the second cooling bore 15 - viewed in the direction of the cylinder axis 1a.
- the second cooling bore 15 and / or the third cooling bore 16 is approximately tangential to the first directed to the cooling chamber 20 outer surface 3a of the outlet channel 3.
- cooling distribution channel 13 opens a fire deck 9 penetrating supply bore 17, which emanates from the adjacent to a cylinder block not shown cylinder head density plane 18.
- About the supply hole 17 of the cooling distribution channel 13 is connected to a cooling jacket in the cylinder block or a water distribution bar in flow communication.
- the coolant flows according to the arrows S coming from the cooling jacket of the cylinder block through the supply hole 17 in the cooling distribution channel 13 and further into the annular space 13, where the receiving sleeve 12 flows around and thus the fuel injection device 7 is cooled. Thereafter, the coolant flows through the first cooling hole 13 to the valve land portion 14 between the inlet port 4 and the outlet port 5, which is thereby sufficiently cooled. At the same time, coolant also flows through the second bore 15 and the third Bore 16 to the outer surface 3a of the outlet channel 3 and ensures optimum cooling of the outlet channels.
- the cooling effect achieved can be adapted to the respective requirements.
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)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA1104/2011A AT511601B1 (de) | 2011-07-28 | 2011-07-28 | Zylinderkopf mit flüssigkeitskühlung |
PCT/EP2012/064366 WO2013014113A1 (de) | 2011-07-28 | 2012-07-23 | Zylinderkopf mit flüssigkeitskühlung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2737188A1 true EP2737188A1 (de) | 2014-06-04 |
EP2737188B1 EP2737188B1 (de) | 2017-01-11 |
Family
ID=46582688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12740346.7A Not-in-force EP2737188B1 (de) | 2011-07-28 | 2012-07-23 | Zylinderkopf mit flüssigkeitskühlung |
Country Status (6)
Country | Link |
---|---|
US (1) | US9309830B2 (de) |
EP (1) | EP2737188B1 (de) |
CN (1) | CN103827461B (de) |
AT (1) | AT511601B1 (de) |
RU (1) | RU2596084C2 (de) |
WO (1) | WO2013014113A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10605213B2 (en) * | 2015-08-21 | 2020-03-31 | Cummins Inc. | Nozzle combustion shield and sealing member with improved heat transfer capabilities |
US10385800B2 (en) * | 2017-06-02 | 2019-08-20 | Caterpillar Inc. | Cylinder head assembly, cylinder head, and method |
RU2704708C2 (ru) * | 2017-08-24 | 2019-10-30 | Акционерное общество "АвтоВАЗ" | Головка блока цилиндров двигателя внутреннего сгорания |
CN108730009B (zh) * | 2018-07-31 | 2024-05-10 | 江苏农华智慧农业科技股份有限公司 | 一种发动机喷油器冷却套 |
US11022020B2 (en) * | 2018-09-18 | 2021-06-01 | Deere & Company | Cylinder head with improved valve bridge cooling |
US11181032B2 (en) * | 2018-09-18 | 2021-11-23 | Deere & Company | Cylinder head with improved valve bridge cooling |
JP2020070726A (ja) * | 2018-10-29 | 2020-05-07 | トヨタ自動車株式会社 | シリンダヘッド |
CN113272543B (zh) * | 2019-01-07 | 2022-12-20 | 三菱自动车工业株式会社 | 气缸盖 |
DE102019006034A1 (de) * | 2019-08-27 | 2021-03-04 | Man Truck & Bus Se | Kühlungsoptimierter Zylinderkopf und optimiertes Zylinderkopfkühlverfahren |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2236028A1 (de) * | 1971-08-03 | 1973-03-01 | List Hans | Zylinderkopf fuer eine wassergekuehlte brennkraftmaschine |
GB1468508A (en) * | 1973-04-12 | 1977-03-30 | Perkins Engines Ltd | Engine cooling system |
GB1479139A (en) * | 1973-06-21 | 1977-07-06 | Nat Res Dev | Internal combustion engines |
AT389565B (de) * | 1980-06-16 | 1989-12-27 | List Hans | Wassergekuehlte mehrzylinder-brennkraftmaschine |
CS214379B1 (cs) | 1980-12-11 | 1982-04-09 | Jindrich Jaluvka | Hlava válce vzduchem chlazeného motoru |
DE3208341A1 (de) * | 1982-03-09 | 1983-09-15 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Zylinderkopf fuer eine wassergekuehlte brennkraftmaschine |
JPS62169221U (de) * | 1986-04-18 | 1987-10-27 | ||
JPH01114917U (de) * | 1988-01-28 | 1989-08-02 | ||
JP2002256966A (ja) | 2001-03-06 | 2002-09-11 | Toyota Motor Corp | シリンダヘッドの冷却構造 |
US20020124815A1 (en) * | 2001-03-06 | 2002-09-12 | Toyota Jidosha Kabushiki Kaisha | Cooling structure of cylinder head and method for manufacturing cylinder head |
JP3916056B2 (ja) * | 2002-04-11 | 2007-05-16 | いすゞ自動車株式会社 | シリンダヘッド |
AT6342U1 (de) * | 2002-07-23 | 2003-08-25 | Avl List Gmbh | Zylinderkopf für eine flüssigkeitsgekühlte mehrzylinder-brennkraftmaschine |
JP2004116387A (ja) | 2002-09-26 | 2004-04-15 | Nissan Diesel Motor Co Ltd | 燃料噴射ノズルの冷却構造 |
DE20216452U1 (de) * | 2002-10-25 | 2002-12-19 | FEV Motorentechnik GmbH, 52078 Aachen | Zylinderkopf für eine wassergekühlte Kolbenbrennkraftmaschine mit Innenversteifung |
AT6654U1 (de) * | 2002-10-31 | 2004-01-26 | Avl List Gmbh | Zylinderkopf für eine flüssigkeitsgekühlte mehrzylinder-brennkraftmaschine |
DE102005048566A1 (de) * | 2005-10-11 | 2007-04-12 | Man Nutzfahrzeuge Ag | Selbstzündende Brennkraftmaschine mit Brennräumen für hohe Zünddrücke |
JP2008248894A (ja) | 2008-07-15 | 2008-10-16 | Yanmar Co Ltd | シリンダヘッドの冷却構造 |
-
2011
- 2011-07-28 AT ATA1104/2011A patent/AT511601B1/de not_active IP Right Cessation
-
2012
- 2012-07-23 US US14/235,506 patent/US9309830B2/en not_active Expired - Fee Related
- 2012-07-23 CN CN201280046399.6A patent/CN103827461B/zh not_active Expired - Fee Related
- 2012-07-23 RU RU2014107706/06A patent/RU2596084C2/ru not_active IP Right Cessation
- 2012-07-23 EP EP12740346.7A patent/EP2737188B1/de not_active Not-in-force
- 2012-07-23 WO PCT/EP2012/064366 patent/WO2013014113A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2013014113A1 * |
Also Published As
Publication number | Publication date |
---|---|
US9309830B2 (en) | 2016-04-12 |
EP2737188B1 (de) | 2017-01-11 |
CN103827461B (zh) | 2017-11-17 |
AT511601A4 (de) | 2013-01-15 |
CN103827461A (zh) | 2014-05-28 |
RU2596084C2 (ru) | 2016-08-27 |
RU2014107706A (ru) | 2015-09-10 |
WO2013014113A1 (de) | 2013-01-31 |
AT511601B1 (de) | 2013-01-15 |
US20140305400A1 (en) | 2014-10-16 |
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