FI113683B - Internal combustion piston unit - Google Patents
Internal combustion piston unitInfo
- Publication number
- FI113683B FI113683B FI20011165A FI20011165A FI113683B FI 113683 B FI113683 B FI 113683B FI 20011165 A FI20011165 A FI 20011165A FI 20011165 A FI20011165 A FI 20011165A FI 113683 B FI113683 B FI 113683B
- Authority
- FI
- Finland
- Prior art keywords
- upper section
- skirt
- sealing arrangement
- internal combustion
- piston
- Prior art date
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
- F02F3/0015—Multi-part pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2251/00—Material properties
- F05C2251/04—Thermal properties
- F05C2251/042—Expansivity
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Piston assembly (1) for an internal combustion engine comprising an upper section (2) abutting onto the combustion chamber of the cylinder, a piston skirt (3) in connection with the upper section, and a sealing arrangement for sealing the joint between the upper section and the skirt. In the piston assembly the sealing arrangement (1.2, 1.3) between the upper section and the skirt is provided by utilizing the difference between the mounting and working temperatures of the upper section (2) and the piston skirt (3). Preferably, the sealing arrangement between the upper section and the skirt is arranged to operate under working pressure and the sealing arrangement comprises several operationally in succession provided counter surfaces, which are arranged with respect to each other so that their mutual distance is reduced at the working temperature of the surfaces, and that a pressure balancing chamber is formed between two successive, tightly arranged counter surface pairs (2a - 3b). <IMAGE>
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20011165A FI113683B (en) | 2001-06-04 | 2001-06-04 | Internal combustion piston unit |
DE60218382T DE60218382T2 (en) | 2001-06-04 | 2002-05-31 | Piston for an internal combustion engine |
AT02253880T ATE355450T1 (en) | 2001-06-04 | 2002-05-31 | PISTON FOR AN INTERNAL COMBUSTION ENGINE |
EP02253880A EP1264979B1 (en) | 2001-06-04 | 2002-05-31 | Piston unit for combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20011165A FI113683B (en) | 2001-06-04 | 2001-06-04 | Internal combustion piston unit |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20011165A0 FI20011165A0 (en) | 2001-06-04 |
FI20011165A FI20011165A (en) | 2002-12-05 |
FI113683B true FI113683B (en) | 2004-05-31 |
Family
ID=8561331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20011165A FI113683B (en) | 2001-06-04 | 2001-06-04 | Internal combustion piston unit |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1264979B1 (en) |
AT (1) | ATE355450T1 (en) |
DE (1) | DE60218382T2 (en) |
FI (1) | FI113683B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006015587A1 (en) * | 2006-04-04 | 2007-10-11 | Mahle International Gmbh | Top part of a built-up piston |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419925A (en) * | 1978-06-15 | 1983-12-13 | Toyota Jidosha Kogyo Kabushiki Kaisha | Assembled piston for engine |
US4253430A (en) * | 1979-01-11 | 1981-03-03 | General Motors Corporation | Insulated oil cooled piston assembly |
DE3110292A1 (en) * | 1981-03-17 | 1982-09-30 | Rudolf Dr. 6800 Mannheim Wieser | Piston for internal combustion engine |
JPS61135961A (en) * | 1984-12-05 | 1986-06-23 | Ngk Insulators Ltd | Piston with piston head made of ceramics |
US5499572A (en) * | 1993-08-26 | 1996-03-19 | Cobble; Daniel L. | Bi-tech piston |
-
2001
- 2001-06-04 FI FI20011165A patent/FI113683B/en not_active IP Right Cessation
-
2002
- 2002-05-31 AT AT02253880T patent/ATE355450T1/en not_active IP Right Cessation
- 2002-05-31 DE DE60218382T patent/DE60218382T2/en not_active Expired - Lifetime
- 2002-05-31 EP EP02253880A patent/EP1264979B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60218382T2 (en) | 2007-11-22 |
EP1264979A3 (en) | 2003-07-30 |
FI20011165A0 (en) | 2001-06-04 |
EP1264979A2 (en) | 2002-12-11 |
DE60218382D1 (en) | 2007-04-12 |
EP1264979B1 (en) | 2007-02-28 |
ATE355450T1 (en) | 2006-03-15 |
FI20011165A (en) | 2002-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |