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EP1185775B1 - Gekühlter kolben für verbrennungsmotoren - Google Patents

Gekühlter kolben für verbrennungsmotoren Download PDF

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Publication number
EP1185775B1
EP1185775B1 EP00940175A EP00940175A EP1185775B1 EP 1185775 B1 EP1185775 B1 EP 1185775B1 EP 00940175 A EP00940175 A EP 00940175A EP 00940175 A EP00940175 A EP 00940175A EP 1185775 B1 EP1185775 B1 EP 1185775B1
Authority
EP
European Patent Office
Prior art keywords
wall part
cooled piston
piston according
piston
cooled
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.)
Expired - Lifetime
Application number
EP00940175A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1185775A2 (de
Inventor
Detlef Jacobi
Rolf Wellandt
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.)
Mahle GmbH
Original Assignee
Mahle GmbH
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 Mahle GmbH filed Critical Mahle GmbH
Publication of EP1185775A2 publication Critical patent/EP1185775A2/de
Application granted granted Critical
Publication of EP1185775B1 publication Critical patent/EP1185775B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00Pistons 
    • F02F3/16Pistons  having cooling means
    • F02F3/20Pistons  having cooling means the means being a fluid flowing through or along piston
    • F02F3/22Pistons  having cooling means the means being a fluid flowing through or along piston the fluid being liquid

Definitions

  • the invention relates to a cooled piston for internal combustion engines with the features according to the preamble of the claim 1.
  • Such pistons are from DD 252 638 A1 and DE 41 34 530 A1 known, in which the to cover the downwardly open circular cooling channel serving Wall part is designed as an open sheet metal ring, the taking advantage of its elastic deformation after the Seeger ring principle, i.e. under preload in radial Direction, in a groove on the inner circumference of the piston ring zone or lies on the outer circumference of the combustion chamber wall.
  • a piston head part is known from DE 42 08 037 C2, at which the cooling channel open at the bottom by a on its circumference at least two-part radially fixed tensioned disc spring, the radially inside and outside on axially opposite Sides freely on supports, is covered.
  • a piston with a cooling channel is in the Piston head known in which one the lower open end of the Baffle plate covering the cooling channel is provided, the ends of which bent vertically upwards in the area of the division to maintain a certain level of cooling oil in the cooling channel.
  • the invention is therefore based on the task of feeding of the cooling oil to improve the or fill level in the cooling channel.
  • a cooled piston 1 with a ring-shaped in the piston head 2 circumferential cooling duct 3 is on its to the piston skirt 4th open end through a wall part 5, e.g. a two-part Belleville washer, closed.
  • the wall part 5 is in the area the oil supply with a first radial division 6 and in the area of the oil drain with a second radial division 7 provided.
  • this is on the one hand with a recess 8, 9, which are about half the radial Width of the wall part 5 extends.
  • a further improvement in the supply of cooling oil can also achieved by profiling the sections 10, 11 e.g. through a U-shaped formation, which is called a gutter acts.
  • this is one time radially divided wall part 5 at its division 14 for deflection of the cooling oil flow on one side with an oblique upward Provided S-shaped bent end piece 15.
  • a drain hole 16 is provided in the wall part 5 at approximately 360 °.
  • FIGS. 6 and Fig. 7 is an upward narrowing for supplying the cooling oil Opening 17 is provided in the wall part 5, the gap width 18 smaller than or equal to the diameter 19 of the supplied Oil jet.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
EP00940175A 1999-06-11 2000-05-05 Gekühlter kolben für verbrennungsmotoren Expired - Lifetime EP1185775B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19926567 1999-06-11
DE19926567A DE19926567A1 (de) 1999-06-11 1999-06-11 Gekühlter Kolben für Verbrennungsmotoren
PCT/DE2000/001456 WO2000077377A2 (de) 1999-06-11 2000-05-05 Gekühlter kolben für verbrennungsmotoren

Publications (2)

Publication Number Publication Date
EP1185775A2 EP1185775A2 (de) 2002-03-13
EP1185775B1 true EP1185775B1 (de) 2002-11-13

Family

ID=7910859

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00940175A Expired - Lifetime EP1185775B1 (de) 1999-06-11 2000-05-05 Gekühlter kolben für verbrennungsmotoren

Country Status (6)

Country Link
US (1) US6647861B1 (ja)
EP (1) EP1185775B1 (ja)
JP (1) JP4473482B2 (ja)
BR (1) BR0011493A (ja)
DE (2) DE19926567A1 (ja)
WO (1) WO2000077377A2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100591909C (zh) * 2003-10-06 2010-02-24 玛勒有限公司 内燃机整体式活塞

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7356188B2 (en) * 2001-04-24 2008-04-08 Microsoft Corporation Recognizer of text-based work
DE10158607B4 (de) * 2001-11-29 2005-10-06 Federal-Mogul Nürnberg GmbH Flüssigkeitsgekühlter Kolben für Verbrennungskraftmaschine
DE10221561A1 (de) 2002-05-15 2004-01-08 Mahle Gmbh Gekühlter Kolben für einen Verbrennungsmotor
DE10346822A1 (de) * 2003-10-06 2005-04-21 Mahle Gmbh Kolben für einen Verbrennungsmotor
US6820582B1 (en) * 2003-10-06 2004-11-23 Mahle Gmbh Cooling channel cover for a one-piece piston of an internal combustion engine
US6938604B2 (en) * 2003-10-06 2005-09-06 Mahle Gmbh Cooling channel cover for a one-piece piston of an internal combustion engine
US6892690B2 (en) * 2003-10-06 2005-05-17 Mahle Gmbh Cooling channel cover for a one-piece piston of an internal combustion engine
DE102004019011A1 (de) * 2004-04-20 2005-11-17 Mahle Gmbh Kühlkanalabdeckung für einen Kolben eines Verbrennungsmotors
US7762227B2 (en) * 2008-02-19 2010-07-27 Federal Mogul Corporation Coolable piston for internal combustion engine
US8347842B2 (en) * 2008-02-19 2013-01-08 Federal-Mogul Corporation Coolable piston for internal combustion engine
DE102011076369A1 (de) * 2011-05-24 2012-11-29 Mahle International Gmbh Untere Abdeckung eines Kühlkanals eines Kolbens
DE102012014195A1 (de) 2012-07-18 2014-01-23 Mahle International Gmbh Kolben für einen Verbrennungsmotor
DE102012213558A1 (de) * 2012-08-01 2014-02-06 Mahle International Gmbh Kolben
JP5844716B2 (ja) * 2012-11-07 2016-01-20 本田技研工業株式会社 内燃機関のピストン
DE102013013962A1 (de) * 2013-08-23 2015-02-26 Mahle International Gmbh Baueinheit aus einem Kolben und einer Anspritzdüse für einen Verbrennungsmotor
DE102015203135A1 (de) * 2014-02-21 2015-08-27 Ks Kolbenschmidt Gmbh Kolben mit einem strömungsgünstige Ölführungsflächen aufweisenden offenem Kühlraum sowie ein Verfahren zur Kühlung dieses Kolbens
DE102014015947A1 (de) * 2014-10-30 2016-05-19 Mahle International Gmbh Kühlkanalabdeckung sowie mit einer Kühlkanalabdeckung versehener Kolben
DE102017205716A1 (de) * 2017-04-04 2018-10-04 Mahle International Gmbh Kolben einer Brennkraftmaschine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE252638C (ja)
US3336844A (en) * 1964-08-25 1967-08-22 Cornet Andre Pistons for engines with a high thermal load
DD252638A1 (de) * 1986-09-17 1987-12-23 Ifa Motorenwerke Spritzoelgekuehlter eisenkolben fuer hubkolbenbrennkraftmaschinen
US4986167A (en) * 1989-05-25 1991-01-22 Caterpillar Inc. Articulated piston with a cooling recess having a preestablished volume therein
DE3991677T1 (de) * 1989-05-25 1991-06-06 Caterpillar Inc Gelenkiger kolben mit einer ein bestimmtes volumen aufweisenden kuehlausnehmung
BR9005376A (pt) * 1990-10-18 1992-06-16 Metal Leve Sa Embolo bipartido com fechamento postico de galeria e processo para sua obtencao
US5357920A (en) 1990-12-13 1994-10-25 Mahle Gmbh Cooled multi-component piston for internal combustion engines
DE4039754A1 (de) * 1990-12-13 1992-06-17 Mahle Gmbh Mehrteiliger, gekuehlter kolben fuer verbrennungsmotoren
DE4208037C2 (de) * 1992-03-13 1998-03-26 Mahle Gmbh Mehrteiliger, gekühlter Kolben für Verbrennungsmotoren
DE4446726A1 (de) * 1994-12-24 1996-06-27 Mahle Gmbh Verfahren zur Herstellung eines einteiligen Kühlkanalkolbens
US6401595B1 (en) * 2000-10-18 2002-06-11 Caterpillar Inc. Piston for an internal combustion engine and method of assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100591909C (zh) * 2003-10-06 2010-02-24 玛勒有限公司 内燃机整体式活塞

Also Published As

Publication number Publication date
WO2000077377A3 (de) 2001-05-31
JP4473482B2 (ja) 2010-06-02
EP1185775A2 (de) 2002-03-13
WO2000077377A2 (de) 2000-12-21
DE19926567A1 (de) 2000-12-14
JP2003502557A (ja) 2003-01-21
US6647861B1 (en) 2003-11-18
DE50000766D1 (de) 2002-12-19
BR0011493A (pt) 2002-05-14

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