EP2542771A2 - Piston for an internal combustion engine - Google Patents
Piston for an internal combustion engineInfo
- Publication number
- EP2542771A2 EP2542771A2 EP11720285A EP11720285A EP2542771A2 EP 2542771 A2 EP2542771 A2 EP 2542771A2 EP 11720285 A EP11720285 A EP 11720285A EP 11720285 A EP11720285 A EP 11720285A EP 2542771 A2 EP2542771 A2 EP 2542771A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- closure element
- closure
- piston according
- cavity
- 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
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
- F02F3/18—Pistons having cooling means the means being a liquid or solid coolant, e.g. sodium, in a closed chamber in piston
-
- 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
- F02F3/0015—Multi-part pistons
- F02F3/003—Multi-part pistons the parts being connected by casting, brazing, welding or clamping
-
- 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
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010009891A DE102010009891A1 (en) | 2010-03-02 | 2010-03-02 | Piston for an internal combustion engine |
PCT/DE2011/000211 WO2011107079A2 (en) | 2010-03-02 | 2011-03-02 | Piston for an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2542771A2 true EP2542771A2 (en) | 2013-01-09 |
EP2542771B1 EP2542771B1 (en) | 2016-12-28 |
Family
ID=44116164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11720285.3A Not-in-force EP2542771B1 (en) | 2010-03-02 | 2011-03-02 | Piston for an internal combustion engine |
Country Status (7)
Country | Link |
---|---|
US (1) | US8584626B2 (en) |
EP (1) | EP2542771B1 (en) |
JP (1) | JP3182263U (en) |
KR (1) | KR20130041770A (en) |
BR (1) | BR112012022256A2 (en) |
DE (1) | DE102010009891A1 (en) |
WO (1) | WO2011107079A2 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011111319A1 (en) | 2011-08-26 | 2013-02-28 | Mahle International Gmbh | Piston for an internal combustion engine |
DE102012001627A1 (en) * | 2012-01-30 | 2013-03-21 | Voith Patent Gmbh | Reciprocating engine, particularly reciprocating steam engine, comprises piston housing and piston with insulation space radially formed inside cooling channel, where insulation space is air-filled, gas-filled or evacuated cavity |
EP2914834A1 (en) * | 2012-11-02 | 2015-09-09 | Federal-Mogul Corporation | Piston with a cooling gallery partially filled with a thermally conductive metal-containing composition |
CN104832315A (en) * | 2014-07-21 | 2015-08-12 | 北汽福田汽车股份有限公司 | Engine piston and engine comprising same |
DE102014223928A1 (en) * | 2014-11-25 | 2016-05-25 | Volkswagen Aktiengesellschaft | A method of closing a core bearing opening of a casting having a cavity |
US9797337B2 (en) * | 2015-07-10 | 2017-10-24 | Mahle International Gmbh | Oil-cooled piston for an internal combustion engine |
US10294887B2 (en) * | 2015-11-18 | 2019-05-21 | Tenneco Inc. | Piston providing for reduced heat loss using cooling media |
US20190010892A1 (en) * | 2017-07-10 | 2019-01-10 | Mahle International Gmbh | Piston with a cooling channel insert |
US11112009B2 (en) | 2019-04-10 | 2021-09-07 | Cummins Inc. | Low heat transfer piston via binder jet technology |
DE102019121728B3 (en) * | 2019-08-13 | 2020-11-26 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Pistons with an annular cooling chamber for reciprocating internal combustion engines |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE81747C (en) | ||||
DE80347C (en) | ||||
DD81747A (en) * | ||||
DD80347A (en) * | ||||
US1089823A (en) * | 1912-06-13 | 1914-03-10 | Gen Electric | Piston for internal-combustion engines. |
US1405887A (en) * | 1921-11-25 | 1922-02-07 | Krupp Ag | Piston for internal-combustion engines |
FR690997A (en) * | 1929-06-11 | 1930-09-29 | Acro Ag | Piston for oil engines |
US2214891A (en) * | 1937-08-18 | 1940-09-17 | Oscar G Schrom | Insulated piston |
FR1574352A (en) | 1967-07-15 | 1969-07-11 | ||
FR2088887A5 (en) * | 1970-04-28 | 1972-01-07 | Caterpillar Tractor Co | |
US4018194A (en) * | 1975-01-06 | 1977-04-19 | Texaco Inc. | Engine piston with insulated combustion chamber |
US4013047A (en) * | 1975-12-12 | 1977-03-22 | General Motors Corporation | Engine with combustion wall temperature control means |
GB2129523A (en) * | 1982-10-20 | 1984-05-16 | Ae Plc | Composite pistons |
US4502422A (en) * | 1982-12-27 | 1985-03-05 | General Motors Corporation | High output oil cooled floating piston |
US4493292A (en) * | 1983-06-09 | 1985-01-15 | Automotive Engine Associates | Heat piped piston |
US4470375A (en) * | 1983-06-09 | 1984-09-11 | Automotive Engine Associates | Fully hydrodynamic piston ring and piston assembly with elastomerically conforming geometry and internal cooling |
FR2575227B1 (en) * | 1984-12-20 | 1988-12-23 | Semt | PISTON WITH LIGHT STRUCTURE, PARTICULARLY FOR AN INTERNAL COMBUSTION ENGINE |
JPS63147960A (en) * | 1986-12-08 | 1988-06-20 | Kubota Ltd | Piston for direct injection type diesel-engine |
DE8905726U1 (en) * | 1989-05-08 | 1990-06-13 | Bergmann, Hermann, 4470 Meppen, De | |
IT1240526B (en) * | 1990-07-31 | 1993-12-17 | Borgo Nova S.P.A. | IMPROVEMENT RELATING TO PISTONS, IN GENERAL. |
US6494170B2 (en) * | 2000-12-01 | 2002-12-17 | Caterpillar Inc | Two-piece piston assembly with skirt having pin bore oil ducts |
DE102005030556B8 (en) * | 2005-06-22 | 2010-02-11 | Mozzi, Andreas, Dipl.-Ing. | Multi-part piston and method for producing a multi-part piston |
US7255067B1 (en) * | 2006-04-10 | 2007-08-14 | Thorpe Douglas G | Evaporative in-cylinder cooling |
DE102006027354A1 (en) * | 2006-06-13 | 2007-12-20 | Mahle International Gmbh | Multi-piece cooled piston for an internal combustion engine |
US7654240B2 (en) * | 2006-08-18 | 2010-02-02 | Caterpillar Inc. | Engine piston having an insulating air gap |
DE102007018932A1 (en) * | 2007-04-21 | 2008-10-23 | Ks Kolbenschmidt Gmbh | Load-optimized interior of a piston |
US20100108001A1 (en) * | 2008-11-05 | 2010-05-06 | Rainer Scharp | Multi-part piston for an internal combustion engine and method for its production |
DE102008055911A1 (en) | 2008-11-05 | 2010-05-06 | Mahle International Gmbh | Multi-part piston for an internal combustion engine and method for its production |
-
2010
- 2010-03-02 DE DE102010009891A patent/DE102010009891A1/en not_active Withdrawn
-
2011
- 2011-03-02 JP JP2012600074U patent/JP3182263U/en not_active Expired - Fee Related
- 2011-03-02 WO PCT/DE2011/000211 patent/WO2011107079A2/en active Application Filing
- 2011-03-02 BR BR112012022256A patent/BR112012022256A2/en not_active IP Right Cessation
- 2011-03-02 KR KR1020127025063A patent/KR20130041770A/en not_active Application Discontinuation
- 2011-03-02 EP EP11720285.3A patent/EP2542771B1/en not_active Not-in-force
- 2011-03-02 US US13/582,129 patent/US8584626B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2011107079A2 * |
Also Published As
Publication number | Publication date |
---|---|
JP3182263U (en) | 2013-03-21 |
US20130055969A1 (en) | 2013-03-07 |
KR20130041770A (en) | 2013-04-25 |
WO2011107079A2 (en) | 2011-09-09 |
DE102010009891A1 (en) | 2011-09-08 |
WO2011107079A3 (en) | 2011-11-10 |
BR112012022256A2 (en) | 2016-10-25 |
US8584626B2 (en) | 2013-11-19 |
EP2542771B1 (en) | 2016-12-28 |
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