EP2619433B1 - Chemise de refroidissement destinée à une culasse refroidie par liquide - Google Patents

Chemise de refroidissement destinée à une culasse refroidie par liquide Download PDF

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Publication number
EP2619433B1
EP2619433B1 EP11767161.0A EP11767161A EP2619433B1 EP 2619433 B1 EP2619433 B1 EP 2619433B1 EP 11767161 A EP11767161 A EP 11767161A EP 2619433 B1 EP2619433 B1 EP 2619433B1
Authority
EP
European Patent Office
Prior art keywords
gas exchange
cylinder head
coolant jacket
coolant
crankcase
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.)
Active
Application number
EP11767161.0A
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German (de)
English (en)
Other versions
EP2619433A1 (fr
Inventor
Wolfgang Ruffing
Frank RÜTTEN
Ulrich Gutzer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP2619433A1 publication Critical patent/EP2619433A1/fr
Application granted granted Critical
Publication of EP2619433B1 publication Critical patent/EP2619433B1/fr
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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 liquid-cooled cylinder head with a coolant jacket according to the features from the preamble of claim 1.
  • a coolant flow path arrangement of a cylinder head of an internal combustion engine is known, with a path area assigned to at least one first valve of the cylinder head and at least one path segment assigned to a spark plug or a diesel injector.
  • the coolant flow path is divided into at least one first and at least one second partial flow path, of which the first partial flow path is at a higher level than the second partial flow path.
  • the first partial flow path has a path area assigned to the first valve and the second partial flow path has a path segment assigned to the spark plug or the diesel injector.
  • a coolant jacket for a liquid-cooled cylinder head is for example from the DE 102 51 360 B4 , from which the present invention is based, known.
  • This German patent describes a liquid-cooled cylinder head for a multi-cylinder internal combustion engine.
  • the cylinder head has a coolant flow which 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 from Outer walls, a cylinder head base and a water space roof is limited and a rib, which is hanging on the water space roof, protrudes essentially transversely to the coolant flow, as a flow guide element.
  • at least one inlet and two outlet valves with gas exchange channels are each arranged in a cylinder section.
  • a coolant inlet is provided from below into a coolant distribution channel.
  • a lateral coolant channel is passed between the gas exchange channel of an exhaust 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 described in the German patent 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-guiding curvature in an area of the point 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 area of the greatest heat input between the gas exchange outlet valves and the ignition device.
  • the object of the present invention is to provide a liquid-cooled cylinder head with a coolant jacket that has the above. Does not have any disadvantage.
  • the design of the coolant jacket is such that the coolant flow from the outlet side of the crankcase, coming centrally from the cylinder, into the cylinder head (optionally also laterally next to the gas exchange outlet channels) and there near the combustion chamber roof between the gas exchange outlet valves and around the ignition device and the fuel injector to the inlet side.
  • the coolant jacket largely envelops the threaded area of the ignition device.
  • a second and a third partial coolant jacket are provided, which extend on both sides adjacent to the first partial coolant jacket, coming from the crankcase around the gas exchange outlet duct and merge into the first partial coolant jacket in the direction of the gas exchange inlet side and continue directly without a Extending the collecting duct into the crankcase.
  • the configuration according to claim 2 further improves the overall cooling of the cylinder head according to the invention, since the heat dissipation from the hot areas is homogenized.
  • the embodiment according to claim 3 is a particularly preferred variant in which an exhaust manifold can also be advantageously temperature controlled, which can either be mounted as a separate component on the cylinder head or in one piece with the cylinder head.
  • Fig. 1 shows a plan view of a three-dimensionally shown coolant jacket 1 for a liquid-cooled cylinder head (not shown in detail) 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 onto an underside of the cylinder head (in the installed state, the side facing the crankcase).
  • 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
  • a coolant jacket 1 is shown for only a single cylinder of the internal combustion engine, the coolant jacket 1 being expandable for any number of cylinders.
  • the coolant jacket 1 essentially consists of a first partial coolant jacket 6 arranged largely centrally between the gas exchange outlet valves 3, a second partial coolant jacket 7 and a third partial coolant jacket 8 arranged adjacent to the first partial coolant jacket 6 on both sides has its own inflow point on the outlet side.
  • the inflow of a coolant is shown symbolically with three arrows.
  • the essential flow directions 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, from the crankcase coming between the gas exchange outlet valves 3 and then radially outside around the ignition device 5 and the fuel injector 4 and further in the direction of the gas exchange inlet side (ES) and further back into the crankcase.
  • An overflow back into the crankcase at two outflow points is again symbolically represented by two arrows.
  • the second and third partial coolant jackets 7, 8 also extend on both sides adjacent to the first partial coolant channel 6, coming from the crankcase largely 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 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 back into the crankcase at the two outflow points.
  • an exhaust manifold is provided for the cylinder head on the gas exchange outlet side (AS), the second and third partial coolant ducts 7, 8 extending at least in sections into the exhaust manifold.
  • temperature control of the exhaust manifold is possible in an advantageous manner.
  • the exhaust manifold can be designed as a separate component or in one piece with the cylinder head.
  • Fig. 2 shows a bottom view of the coolant jacket 1.
  • the view in FIG Fig. 2 is directed perpendicular to a parting plane between the cylinder head and the crankcase. It is the same as to Fig. 1 said, wherein the main flow directions of the coolant is again shown by arrows.
  • An inflow of the coolant into the cylinder head is indicated by the symbol O at the inflow points and an outflow of the coolant out of the cylinder head is represented by the symbol O at the outflow points.
  • the design of the coolant jacket 1 is such that the coolant flow from the gas exchange outlet side (AS) from the crankcase, coming centrally from the cylinder into the cylinder head (optionally also laterally next to the gas exchange outlet channels) and there near the combustion chamber roof between the gas exchange outlet valves 3 and around the ignition device 5 and the fuel injector 4 to the gas exchange inlet side (ES) takes place.
  • the first partial coolant jacket 6 largely envelops the threaded area of the ignition device 5.
  • the optimal cooling of the cylinder head enables high specific outputs and pressures, even at high coolant temperatures and cheaper, less temperature-resistant cylinder head alloys. This leads in an advantageous manner 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)

Claims (3)

  1. Culasse refroidie par un liquide munie d'une chemise de réfrigérant (1) pour un moteur à combustion interne muni d'un carter de moteur, la culasse présentant un côté d'entrée d'échange de gaz (ES) muni de deux soupapes d'entrée d'échange de gaz (2) et un côté de sortie d'échange de gaz (AS) muni de deux soupapes de sortie d'échange de gaz (3), la culasse comprenant sur le côté de sortie d'échange de gaz (AS) un canal de sortie d'échange de gaz (9) et, entre les soupapes d'échange de gaz (2, 3), une soupape d'injection de carburant (4) étant prévue sur le côté d'entrée et un dispositif d'allumage (5) sur le côté de sortie, la chemise de réfrigérant (1) s'étendant sous la forme d'une première chemise de réfrigérant partielle (6) sur le côté de la sortie, en arrivant du carter de moteur entre les soupapes de sortie d'échange de gaz (3) et ensuite radialement à l'extérieur autour du dispositif d'allumage (5) et de la soupape d'injection de carburant (4) et plus loin en direction du côté d'entrée (ES),
    caractérisée en ce qu'une deuxième et une troisième chemise de réfrigérant partielle (7, 8) sont prévues, qui s'étendent des deux côtés au voisinage de la première chemise de réfrigérant partielle (6), en arrivant du carter de moteur autour du canal de sortie d'échange de gaz (9) à l'extérieur et se raccordent en direction du côté d'entrée d'échange de gaz (ES) à la première chemise de réfrigérant partielle (6) et s'étendent plus loin directement, sans canal collecteur, dans le carter de moteur.
  2. Culasse refroidie par un liquide selon la revendication 1, caractérisée en ce que la deuxième et la troisième chemise de réfrigérant partielle (7, 8) s'étendent en partant du canal de sortie d'échange de gaz (9) des deux côtés des soupapes d'échange de gaz (2, 3) en direction du côté d'entrée d'échange de gaz (ES) et sur le côté d'entrée à nouveau en direction du carter de moteur.
  3. Culasse refroidie par un liquide selon la revendication 1 ou 2, un collecteur de gaz d'échappement étant prévu pour la culasse sur le côté de sortie d'échange de gaz, caractérisée en ce que la deuxième et la troisième chemise de réfrigérant partielle (7, 8) s'étendent au moins en sections dans le collecteur de gaz d'échappement.
EP11767161.0A 2010-09-21 2011-09-02 Chemise de refroidissement destinée à une culasse refroidie par liquide Active EP2619433B1 (fr)

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 (fr) 2010-09-21 2011-09-02 Chemise de refroidissement destinée à une culasse refroidie par liquide

Publications (2)

Publication Number Publication Date
EP2619433A1 EP2619433A1 (fr) 2013-07-31
EP2619433B1 true EP2619433B1 (fr) 2022-01-05

Family

ID=44773017

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11767161.0A Active EP2619433B1 (fr) 2010-09-21 2011-09-02 Chemise de refroidissement destinée à une culasse refroidie par liquide

Country Status (5)

Country Link
US (1) US10634088B2 (fr)
EP (1) EP2619433B1 (fr)
CN (1) CN103080520B (fr)
DE (1) DE102010041105B4 (fr)
WO (1) WO2012038033A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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)

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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

Also Published As

Publication number Publication date
DE102010041105A1 (de) 2012-03-22
US20130192546A1 (en) 2013-08-01
WO2012038033A1 (fr) 2012-03-29
US10634088B2 (en) 2020-04-28
EP2619433A1 (fr) 2013-07-31
CN103080520A (zh) 2013-05-01
CN103080520B (zh) 2015-05-20
DE102010041105B4 (de) 2024-05-23

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