EP2619433A1 - Kühlmittelmantel für einen flüssigkeitsgekühlten zylinderkopf - Google Patents
Kühlmittelmantel für einen flüssigkeitsgekühlten zylinderkopfInfo
- Publication number
- EP2619433A1 EP2619433A1 EP11767161.0A EP11767161A EP2619433A1 EP 2619433 A1 EP2619433 A1 EP 2619433A1 EP 11767161 A EP11767161 A EP 11767161A EP 2619433 A1 EP2619433 A1 EP 2619433A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas exchange
- coolant jacket
- cylinder head
- crankcase
- valves
- 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
- 239000002826 coolant Substances 0.000 title claims abstract description 68
- 239000000446 fuel Substances 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 238000002485 combustion reaction Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000017525 heat dissipation Effects 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
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
Definitions
- the invention relates to a coolant jacket for a liquid-cooled cylinder head with the features of the preamble of patent claim 1.
- a coolant jacket for a liquid-cooled cylinder head is known, for example, from DE 102 51 360 B4, from which the present invention is based.
- This German patent describes a liquid-cooled cylinder head for a multi-cylinder internal combustion engine.
- the cylinder head has a coolant flow that flows from a coolant inlet on an outlet side to a coolant outlet on an inlet side.
- the cylinder head has a coolant space, which is delimited by outer walls, a cylinder head floor and a water space roof, and a rib, which protrudes on the water space roof, essentially transversely to the coolant flow, as a flow guide element.
- at least one inlet and two outlet valves are arranged with gas exchange channels in each case a cylinder section.
- a coolant inlet from below is provided in a coolant distribution channel.
- a lateral coolant channel is passed between the gas exchange channel of an outlet valve and a screw pipe of a cylinder head screw, and a central coolant channel is passed between the two gas exchange channels of the outlet valves.
- the liquid-cooled cylinder head is characterized in that the central coolant channel directs the coolant flow onto the rib in the water space roof, which is connected to a spark plug whistle on the water space roof and has a flow-conducting curvature in a region of impact of the coolant flow from the central coolant channel.
- Such a known coolant jacket does not cool the cylinder head optimally, in particular in the region of the greatest heat input between the gas exchange outlet valves and the ignition device.
- Object of the present invention is to show a coolant jacket for a liquid-cooled cylinder head, o. G. Disadvantage does not have.
- the design of the coolant jacket is such that the coolant flow from the outlet side of the crankcase, cylinder-centrally coming into the cylinder head (optionally also laterally next to the Gaswech- selauslasskanälen) and there near the combustion chamber roof between the Gas bayauslassventilen and the ignition device and the fuel injection device to the inlet side he follows.
- the coolant jacket largely envelops the threaded region of the ignition device.
- the embodiments according to the claims 2 and 3 again improve the overall cooling of the cylinder head according to the invention, since the heat dissipation is homogenized from the hot areas.
- the embodiment according to claim 4 is a particularly preferred embodiment in which an exhaust manifold in an advantageous manner is temperature controlled, which is either mounted as a separate component to the cylinder head or integral with the cylinder head.
- FIG. 1 shows a plan view of a three-dimensionally illustrated coolant jacket according to the invention for a liquid-cooled cylinder head.
- FIG. 2 shows a bottom view of the coolant jacket according to the invention for a liquid-cooled cylinder head.
- Fig. 1 shows a plan view of a three-dimensionally illustrated coolant jacket 1 for a liquid-cooled cylinder head, not shown for an internal combustion engine with a crankcase.
- the coolant jacket 1 corresponds to a sand core, which is used for casting a corresponding liquid-cooled cylinder head.
- the view of the coolant jacket 1 takes place obliquely from the direction of the crankcase on an underside of the cylinder head (in the installed state, the crankcase facing side).
- the cylinder head has a gas exchange inlet side (ES) with two gas exchange inlet valves 2 and a gas exchange outlet side (AS) with two gas exchange outlet valves 3.
- ES gas exchange inlet side
- AS gas exchange outlet side
- the cylinder head On the exhaust side, the cylinder head further has a gas exchange outlet 9. Between the gas exchange valves 2, 3 is On the inlet side, a fuel injection valve 4 and the outlet side, an ignition device 5 is provided. Further, in Fig. 1, a coolant jacket 1 is shown for only a single cylinder of the internal combustion engine, wherein the coolant jacket 1 is expandable for any number of cylinders.
- the coolant jacket 1 essentially comprises a first partial coolant jacket 6 arranged largely centrally between the gas exchange outlet valves 3, a second partial coolant jacket 7 and a second partial coolant jacket 8 arranged on both sides adjacent to the first partial coolant jacket 6.
- Each of these partial coolant jackets 6, 7, 8 points from the crankcase on the outlet side on its own inflow point.
- the inflow of a coolant is symbolically represented by three arrows.
- the essential directions of flow of the coolant in the cylinder head are also symbolically represented by arrows.
- the coolant jacket 1 extends as a first partial coolant jacket 6 on the outlet side, coming from the crankcase between the gas exchange outlet valves 3 and then radially outward around the ignition device 5 and the fuel injection valve 4 and further towards the gas exchange inlet side (ES) and further back into the crankcase.
- An overflow back into the crankcase at two outflow points is again shown symbolically by two arrows.
- the second and the third partial coolant jacket 7, 8 extend on both sides adjacent to the first partial coolant channel 6, coming from the crankcase substantially around the gas exchange outlet channel 9 and further in the direction of the gas exchange inlet side (ES) and then extend into the first partial coolant channel 6. Further extend the second and the third partial coolant jacket 7, 8 starting from the gas exchange outlet channel 9 on both sides of the gas exchange valves 2, 3 in the direction of the gas exchange inlet side (ES) and at the two outflow points back into the crankcase.
- an exhaust manifold is provided for the cylinder head on the gas exchange outlet side (AS), wherein the second and third part coolant channel 7, 8 at least partially extend into the exhaust manifold.
- a temperature control of the exhaust manifold is possible in an advantageous manner.
- the exhaust manifold may in this case be a separate component or formed integrally with the cylinder head.
- FIG. 2 shows a bottom view of the coolant jacket 1 according to the invention.
- the view in FIG. 2 is directed perpendicular to a parting plane between the cylinder head and the crankcase.
- Fig. 1 wherein the main flow directions of the coolant is again shown by arrows.
- An inflow of the coolant into the cylinder head is indicated at the inflow points by the symbol ® and an outflow of the coolant from the cylinder head is represented at the outflow points by the symbol ⁇ .
- the design of the coolant jacket 1 is such that the coolant flow from the gas exchange outlet side (AS) from the crankcase, cylinder-centrally coming into the cylinder head (optionally also laterally next to the Gas hierauslasskanälen) and there near the combustion chamber roof between the gas exchange outlet valves 3 and the ignition device 5 and the Fuel injection valve 4 to the gas exchange inlet side (ES) takes place.
- the first partial coolant jacket 6 largely envelops the threaded region of the ignition device 5.
- the inventively optimal cooling of the cylinder head allows high specific power and pressures, even at high coolant temperatures and cost, less temperature-resistant cylinder head alloy. This leads advantageously to a consumption and cost advantage.
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 |
---|---|---|---|
DE102010041105.1A DE102010041105B4 (de) | 2010-09-21 | 2010-09-21 | Kühlmittelmantel für einen flüssigkeitsgekühlten Zylinderkopf |
PCT/EP2011/004450 WO2012038033A1 (de) | 2010-09-21 | 2011-09-02 | Kühlmittelmantel für einen flüssigkeitsgekühlten zylinderkopf |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2619433A1 true EP2619433A1 (de) | 2013-07-31 |
EP2619433B1 EP2619433B1 (de) | 2022-01-05 |
Family
ID=44773017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11767161.0A Active EP2619433B1 (de) | 2010-09-21 | 2011-09-02 | Kühlmittelmantel für einen flüssigkeitsgekühlten zylinderkopf |
Country Status (5)
Country | Link |
---|---|
US (1) | US10634088B2 (de) |
EP (1) | EP2619433B1 (de) |
CN (1) | CN103080520B (de) |
DE (1) | DE102010041105B4 (de) |
WO (1) | WO2012038033A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8960134B1 (en) * | 2013-07-31 | 2015-02-24 | GM Global Technology Operations LLC | Targeted cooling with individualized feeding ports to cylinders |
DE102015103905A1 (de) | 2015-03-17 | 2016-09-22 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Zylinderkopf für eine Brennkraftmaschine mit Kühlmittelkanälen |
AT517127B1 (de) * | 2015-05-07 | 2019-12-15 | Avl List Gmbh | Zylinderkopf für eine brennkraftmaschine |
DE102016216360B4 (de) | 2016-08-30 | 2023-01-26 | Bayerische Motoren Werke Aktiengesellschaft | Zylinderkopf für einen Verbrennungsmotor |
GB2562727B (en) * | 2017-05-22 | 2020-02-12 | Ford Global Tech Llc | A Motor Vehicle Cylinder Head |
JP6939517B2 (ja) * | 2017-12-22 | 2021-09-22 | トヨタ自動車株式会社 | シリンダヘッド |
US11028800B1 (en) * | 2019-11-19 | 2021-06-08 | Transportation Ip Holdings, Llc | Engine coolant system and method |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1294096B (de) * | 1966-12-29 | 1969-04-30 | Daimler Benz Ag | Fluessigkeitsgekuehlter Zylinderkopf einer Brennkraftmaschine |
JP2709815B2 (ja) | 1988-01-11 | 1998-02-04 | ヤマハ発動機株式会社 | 過給機付エンジンのシリンダヘッド構造 |
US6286467B1 (en) * | 1999-12-27 | 2001-09-11 | Antonio Ancheta | Two stroke engine conversion |
DE10048582B4 (de) * | 2000-09-30 | 2013-06-06 | Volkswagen Ag | Flüssigkeitsgekühlter Zylinderkopf für eine Brennkraftmaschine |
DE10060682B4 (de) | 2000-12-07 | 2013-11-28 | Daimler Ag | Zylinderkopf für eine Brennkraftmaschine |
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 |
DE10227690A1 (de) * | 2002-06-21 | 2004-01-08 | Fev Motorentechnik Gmbh | Gekühlter Zylinderkopf für eine Kolbenbrennkraftmaschine |
DE10237664A1 (de) | 2002-08-16 | 2004-02-19 | Dr.Ing.H.C. F. Porsche Ag | Zylinderkopf für eine wassergekühlte mehrzylindrige Brennkraftmaschine |
DE10251360B4 (de) | 2002-11-05 | 2005-01-20 | Daimlerchrysler Ag | Flüssigkeitsgekühlter Zylinderkopf |
DE102006026131B4 (de) * | 2006-06-03 | 2018-12-20 | Daimler Ag | Verfahren zur Herstellung eines Zylinderkopfs für eine flüssigkeitsgekühlte Brennkraftmaschine |
DE102006036422A1 (de) * | 2006-08-04 | 2008-02-21 | Bayerische Motoren Werke Ag | Flüssigkeitsgekühlter Zylinderkopf für eine Brennkraftmaschine |
JP4756381B2 (ja) * | 2007-02-07 | 2011-08-24 | トヨタ自動車株式会社 | 多気筒エンジンの冷却装置 |
DE102007031350B4 (de) * | 2007-07-05 | 2018-11-08 | Bayerische Motoren Werke Aktiengesellschaft | Flüssigkeitsgekühlter Zylinderkopf mit zwei Kühlmittelkanälen |
DE102007062347B4 (de) * | 2007-12-22 | 2024-02-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Kühlanordnung für einen Zylinderkopf einer Brennkraftmaschine |
DE102008047185A1 (de) | 2008-09-15 | 2010-04-15 | Audi Ag | Kühlmittelströmungsweganordnung eines Zylinderkopfes einer Brennkraftmaschine und Verfahren zu dessen Kühlung |
-
2010
- 2010-09-21 DE DE102010041105.1A patent/DE102010041105B4/de active Active
-
2011
- 2011-09-02 CN CN201180042490.6A patent/CN103080520B/zh active Active
- 2011-09-02 EP EP11767161.0A patent/EP2619433B1/de active Active
- 2011-09-02 WO PCT/EP2011/004450 patent/WO2012038033A1/de active Application Filing
-
2013
- 2013-03-14 US US13/826,819 patent/US10634088B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102010041105B4 (de) | 2024-05-23 |
EP2619433B1 (de) | 2022-01-05 |
CN103080520B (zh) | 2015-05-20 |
CN103080520A (zh) | 2013-05-01 |
US10634088B2 (en) | 2020-04-28 |
DE102010041105A1 (de) | 2012-03-22 |
US20130192546A1 (en) | 2013-08-01 |
WO2012038033A1 (de) | 2012-03-29 |
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