EP1736660B1 - Culasse pour un moteur à combustion interne - Google Patents

Culasse pour un moteur à combustion interne Download PDF

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Publication number
EP1736660B1
EP1736660B1 EP06450083A EP06450083A EP1736660B1 EP 1736660 B1 EP1736660 B1 EP 1736660B1 EP 06450083 A EP06450083 A EP 06450083A EP 06450083 A EP06450083 A EP 06450083A EP 1736660 B1 EP1736660 B1 EP 1736660B1
Authority
EP
European Patent Office
Prior art keywords
flow
cylinder head
cooling chamber
main
region
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
EP06450083A
Other languages
German (de)
English (en)
Other versions
EP1736660A2 (fr
EP1736660A3 (fr
Inventor
Robert Pöschl
Werner Vogel
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.)
MAN Truck and Bus SE
Original Assignee
MAN Truck and Bus SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MAN Truck and Bus SE filed Critical MAN Truck and Bus SE
Priority to PL06450083T priority Critical patent/PL1736660T3/pl
Publication of EP1736660A2 publication Critical patent/EP1736660A2/fr
Publication of EP1736660A3 publication Critical patent/EP1736660A3/fr
Application granted granted Critical
Publication of EP1736660B1 publication Critical patent/EP1736660B1/fr
Anticipated expiration legal-status Critical
Active legal-status Critical Current

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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
    • 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
    • F02F2001/248—Methods for avoiding thermal stress-induced cracks in the zone between valve seat openings

Definitions

  • the JP 09324695 A discloses a cylinder head for an internal combustion engine with a cooling space into which opens a main and a Mauzumannö réelle, the Mauzumannö réelle opens transversely to the main flow direction in the cooling space.
  • the auxiliary inflow opening is arranged in a region of the cylinder head facing away from the flow immediately downstream of a flow disturbance point formed by a threshold. This represents a cross-section reducing Engestelle.
  • a similar cylinder head with a flow disturbance location is known, wherein the flow disturbance location is formed by a shield which deflects the main coolant flow to the side wall of the cylinder head. The lateral deflection of the coolant flow, the cooling is deteriorated in thermally critical areas.
  • this is achieved in that at the flow disturbance site opposite side of the cooling space, the wall contour to achieve a uniform cross-sectional profile for the main flow of Strömungsinsstelle is reformed.
  • the flow disturbance point is formed by a rib formed transversely to the main flow.
  • the flow disturbance point may also be formed by a receding flow stage. Both through the rib and through the flow stage there is an intended separation of the main flow and the formation of a low-flow area immediately downstream of the flow disturbance point.

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 (4)

  1. Culasse (2) de moteur à combustion comportant au moins une chambre de refroidissement (1) dans laquelle débouchent au moins un orifice de flux principal et au moins un orifice de flux secondaire (7),
    * l'orifice de flux secondaire débouche dans la chambre de refroidissement (1) pratiquement transversalement à la direction du flux principal (S),
    * l'orifice de flux secondaire (7) débouche dans la chambre de refroidissement (1) dans une zone de la culasse (2) non tournée vers l'écoulement, et
    * l'orifice de flux secondaire débouche dans la chambre de refroidissement (1), directement en aval d'un point de perturbation d'écoulement (8),
    culasse caractérisée en ce que
    sur le côté de la chambre de refroidissement (1) opposé au point de perturbation d'écoulement (8), le contour de la paroi est travaillé pour réaliser un profil de section régulière pour l'écoulement principal du point de perturbation d'écoulement (8).
  2. Culasse (2) selon la revendication 1,
    caractérisée en ce que
    le point de perturbation d'écoulement (8) est formé par une nervure (9) transversale à l'écoulement principal (S).
  3. Culasse (2) selon la revendication 1,
    caractérisée en ce que
    le point de perturbation d'écoulement (8) est formé par un palier d'écoulement (10) venant en retrait.
  4. Culasse (2) selon l'une des revendications 1 à 3,
    caractérisée en ce que
    le point de perturbation d'écoulement (8) se trouve au niveau du fond de la chambre de refroidissement (1), de préférence dans la zone du voile de coup de feu de la culasse (2).
EP06450083A 2005-06-23 2006-06-22 Culasse pour un moteur à combustion interne Active EP1736660B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06450083T PL1736660T3 (pl) 2005-06-23 2006-06-22 Głowica cylindrowa do silnika spalinowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0106305A AT502089B1 (de) 2005-06-23 2005-06-23 Zylinderkopf für eine brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP1736660A2 EP1736660A2 (fr) 2006-12-27
EP1736660A3 EP1736660A3 (fr) 2007-12-12
EP1736660B1 true EP1736660B1 (fr) 2012-04-04

Family

ID=36954699

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06450083A Active EP1736660B1 (fr) 2005-06-23 2006-06-22 Culasse pour un moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP1736660B1 (fr)
AT (2) AT502089B1 (fr)
PL (1) PL1736660T3 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766187A (en) * 1953-11-26 1957-01-16 Ricardo & Co Engineers Improvements in detachable cylinder head constructions for liquid-cooled internal combustion engines
DE3208341A1 (de) * 1982-03-09 1983-09-15 Klöckner-Humboldt-Deutz AG, 5000 Köln Zylinderkopf fuer eine wassergekuehlte brennkraftmaschine
JPH09324695A (ja) * 1996-06-05 1997-12-16 Daihatsu Motor Co Ltd 内燃機関におけるシリンダヘッドの構造
DE19644409C1 (de) * 1996-10-25 1998-01-29 Daimler Benz Ag Zylinderkopf einer Mehrzylinder-Brennkraftmaschine
DE19943001C1 (de) * 1999-09-09 2000-10-26 Porsche Ag Zylinderkopf für eine wassergekühlte Brennkraftmaschine
DE10237664A1 (de) * 2002-08-16 2004-02-19 Dr.Ing.H.C. F. Porsche Ag Zylinderkopf für eine wassergekühlte mehrzylindrige Brennkraftmaschine

Also Published As

Publication number Publication date
EP1736660A2 (fr) 2006-12-27
AT502089B1 (de) 2007-07-15
EP1736660A3 (fr) 2007-12-12
AT502089A1 (de) 2007-01-15
ATE552415T1 (de) 2012-04-15
PL1736660T3 (pl) 2012-09-28

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