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EP2486263B2 - Piston pour moteur à combustion interne, et moteur à combustion interne comportant un piston - Google Patents
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EP2486263B2 - Piston pour moteur à combustion interne, et moteur à combustion interne comportant un piston - Google Patents

Piston pour moteur à combustion interne, et moteur à combustion interne comportant un piston Download PDF

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Publication number
EP2486263B2
EP2486263B2 EP10752751.7A EP10752751A EP2486263B2 EP 2486263 B2 EP2486263 B2 EP 2486263B2 EP 10752751 A EP10752751 A EP 10752751A EP 2486263 B2 EP2486263 B2 EP 2486263B2
Authority
EP
European Patent Office
Prior art keywords
piston
recess
internal combustion
combustion engine
lower edge
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.)
Not-in-force
Application number
EP10752751.7A
Other languages
German (de)
English (en)
Other versions
EP2486263A1 (fr
EP2486263B1 (fr
Inventor
Marcus Freidhager
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.)
Federal Mogul Nuernberg GmbH
Original Assignee
Federal Mogul Nuernberg 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43086964&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2486263(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Federal Mogul Nuernberg GmbH filed Critical Federal Mogul Nuernberg GmbH
Priority to PL10752751T priority Critical patent/PL2486263T5/pl
Publication of EP2486263A1 publication Critical patent/EP2486263A1/fr
Application granted granted Critical
Publication of EP2486263B1 publication Critical patent/EP2486263B1/fr
Publication of EP2486263B2 publication Critical patent/EP2486263B2/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Images

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
    • F02F3/00—Pistons 
    • F02F3/16—Pistons  having cooling means
    • F02F3/20—Pistons  having cooling means the means being a fluid flowing through or along piston
    • F02F3/22—Pistons  having cooling means the means being a fluid flowing through or along piston the fluid being liquid

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)

Claims (6)

  1. Piston (10) pour un moteur à combustion interne, présentant au moins un évidement (20) sur son bord inférieur opposé au fond du piston (12), caractérisé en ce que l'évidement est formé en direction radiale, de façon qu'au moins une paroi de jonction (16) qui est formée entre des sections de paroi de tige (14) présente au moins un renflement sur le côté extérieur, ou son épaisseur de paroi est réduite, et la profondeur de l'évidement mesurée en direction radiale se réduit depuis le bord inférieur du piston (10) en direction de l'axe du piston.
  2. Piston selon la revendication 1, caractérisé en ce que l'épaisseur de matériau du segment limitrophe de l'évidement (20) est sensiblement égale à l'épaisseur de matériau dans l'environnement de l'évidement (20).
  3. Piston selon la revendication 1 ou 2, caractérisé en ce que le bord inférieur du piston (10) dans la région de l'évidement (20) est sensiblement au même niveau que dans l'environnement de l'évidement (20).
  4. Piston selon l'une quelconque des revendications précédentes, caractérisé en ce que l'évidement (20) présente sur le bord inférieur du piston (10) une profondeur comprise entre environ 1 et 3 mm en direction radiale.
  5. Piston selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un évidement (20) est formé sur le côté de détente du piston (10).
  6. Moteur à combustion interne, avec au moins un piston (10) selon au moins l'une quelconque des revendications précédentes et au moins un gicleur d'huile de refroidissement, l'espacement entre le gicleur d'huile de refroidissement et la limite de l'évidement (20) étant préférentiellement égal ou supérieur à environ 2 mm.
EP10752751.7A 2009-10-07 2010-09-01 Piston pour moteur à combustion interne, et moteur à combustion interne comportant un piston Not-in-force EP2486263B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10752751T PL2486263T5 (pl) 2009-10-07 2010-09-01 Tłok dla silnika spalinowego i silnik spalinowy z tłokiem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009045437A DE102009045437A1 (de) 2009-10-07 2009-10-07 Kolben für einen Verbrennungsmotor und Verbrennungsmotor mit einem Kolben
PCT/EP2010/062799 WO2011042264A1 (fr) 2009-10-07 2010-09-01 Piston pour moteur à combustion interne, et moteur à combustion interne comportant un piston

Publications (3)

Publication Number Publication Date
EP2486263A1 EP2486263A1 (fr) 2012-08-15
EP2486263B1 EP2486263B1 (fr) 2015-11-04
EP2486263B2 true EP2486263B2 (fr) 2019-08-28

Family

ID=43086964

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10752751.7A Not-in-force EP2486263B2 (fr) 2009-10-07 2010-09-01 Piston pour moteur à combustion interne, et moteur à combustion interne comportant un piston

Country Status (8)

Country Link
US (1) US20120260869A1 (fr)
EP (1) EP2486263B2 (fr)
JP (1) JP5859967B2 (fr)
DE (1) DE102009045437A1 (fr)
ES (1) ES2559507T5 (fr)
HU (1) HUE028228T2 (fr)
PL (1) PL2486263T5 (fr)
WO (1) WO2011042264A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106164455B (zh) * 2014-02-21 2020-03-17 Ks科尔本施密特有限公司 不具有封闭的冷却室的、用于每个缸设有至少一个冷却油喷嘴的内燃机的活塞以及用于冷却所述活塞的方法
EP3371443B1 (fr) 2015-11-02 2024-04-10 KS Kolbenschmidt GmbH Soutien de moyeu optimisé
EP3452712B1 (fr) 2016-05-04 2024-11-20 KS Kolbenschmidt GmbH Piston
DE102018203226A1 (de) 2018-03-05 2019-09-05 Federal-Mogul Nürnberg GmbH Kolben für einen Verbrennungsmotor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1021673C1 (nl) † 2002-10-17 2004-04-20 Mecal Applied Mechanics B V Verbeterde naaf voor een windturbine.
DE102004023773B3 (de) † 2004-05-11 2005-11-17 Repower Systems Ag Windenergieanlage

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE898827C (de) * 1951-06-08 1953-12-03 Mahle Kg Ovaler Brennkraftmaschinenkolben, insbesondere Leichtmetallkolben
US4280455A (en) * 1978-01-30 1981-07-28 Fuji Jukogyo Kabushiki Kaisha Internal combustion engine
DE3639806A1 (de) * 1986-11-21 1988-05-26 Kolbenschmidt Ag Leichtmetallkolben fuer brennkraftmaschinen
DE3717767A1 (de) * 1987-05-26 1988-12-08 Mahle Gmbh Kuehlbarer tauchkolben fuer verbrennungsmotoren
DE3732927A1 (de) * 1987-09-30 1989-04-13 Mahle Gmbh Kuehlbarer tauchkolben fuer verbrennungsmotoren
GB2220044B (en) * 1988-05-31 1992-11-18 Atsugi Motor Parts Co Ltd Piston structure for internal combustion engine
DE4007992A1 (de) * 1989-03-20 1990-09-27 Avl Verbrennungskraft Messtech Mehrteiliger kolben fuer brennkraftmaschinen
DE4434994C2 (de) * 1994-09-30 1998-02-19 Porsche Ag Kolben für Brennkraftmaschinen
JP3091141B2 (ja) * 1996-09-27 2000-09-25 川崎重工業株式会社 内燃機関用ピストン
JP3548451B2 (ja) * 1999-02-22 2004-07-28 本田技研工業株式会社 ピストンのピン孔構造
WO2001073275A1 (fr) * 2000-03-28 2001-10-04 Federal-Mogul Corporation Piston à grande puissance pourvu d'un déflecteur d'huile
US7086354B2 (en) * 2003-10-29 2006-08-08 Deere & Company Cooling nozzle mounting arrangement
US7406941B2 (en) 2004-07-21 2008-08-05 Federal - Mogul World Wide, Inc. One piece cast steel monobloc piston
DE102004056769A1 (de) 2004-11-24 2006-06-01 Federal-Mogul Nürnberg GmbH Kolben für einen Verbrennungsmotor und Kombination eines Kolbens mit einer Öleinspritzanordnung
JP4337741B2 (ja) * 2005-01-19 2009-09-30 トヨタ自動車株式会社 内燃機関用ピストン
GB2428452B (en) * 2005-07-20 2011-02-23 Ford Global Tech Llc Oil spray system for an internal combustion engine
EP1920151A1 (fr) * 2005-08-29 2008-05-14 KS Kolbenschmidt GmbH Piston de construction legere
DE102005041002A1 (de) 2005-08-29 2007-03-01 Ks Kolbenschmidt Gmbh Leichtbaukolben
JP4580328B2 (ja) * 2005-11-29 2010-11-10 日野自動車株式会社 エンジンの潤滑構造
US8047123B2 (en) * 2007-12-07 2011-11-01 Mahle Engine Components Usa, Inc. Cooling gallery insert for a piston

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1021673C1 (nl) † 2002-10-17 2004-04-20 Mecal Applied Mechanics B V Verbeterde naaf voor een windturbine.
DE102004023773B3 (de) † 2004-05-11 2005-11-17 Repower Systems Ag Windenergieanlage

Also Published As

Publication number Publication date
EP2486263A1 (fr) 2012-08-15
JP2013507556A (ja) 2013-03-04
HUE028228T2 (en) 2016-12-28
WO2011042264A1 (fr) 2011-04-14
PL2486263T5 (pl) 2019-12-31
ES2559507T5 (es) 2020-04-15
PL2486263T4 (pl) 2019-11-29
EP2486263B1 (fr) 2015-11-04
JP5859967B2 (ja) 2016-02-16
US20120260869A1 (en) 2012-10-18
PL2486263T3 (pl) 2016-04-29
ES2559507T3 (es) 2016-02-12
DE102009045437A1 (de) 2011-04-14

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