DE59404017D1 - Valve stem seal for sliding onto a valve stem guide held in the cylinder head of an internal combustion engine - Google Patents
Valve stem seal for sliding onto a valve stem guide held in the cylinder head of an internal combustion engineInfo
- Publication number
- DE59404017D1 DE59404017D1 DE59404017T DE59404017T DE59404017D1 DE 59404017 D1 DE59404017 D1 DE 59404017D1 DE 59404017 T DE59404017 T DE 59404017T DE 59404017 T DE59404017 T DE 59404017T DE 59404017 D1 DE59404017 D1 DE 59404017D1
- Authority
- DE
- Germany
- Prior art keywords
- valve stem
- combustion engine
- internal combustion
- cylinder head
- sliding onto
- 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.)
- Revoked
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/08—Valves guides; Sealing of valve stem, e.g. sealing by lubricant
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Gasket Seals (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO930705A IT1261592B (en) | 1993-09-28 | 1993-09-28 | SEAL FOR A VALVE OF AN INTERNAL COMBUSTION ENGINE |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59404017D1 true DE59404017D1 (en) | 1997-10-16 |
Family
ID=11411756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE59404017T Revoked DE59404017D1 (en) | 1993-09-28 | 1994-07-05 | Valve stem seal for sliding onto a valve stem guide held in the cylinder head of an internal combustion engine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0645524B1 (en) |
DE (1) | DE59404017D1 (en) |
ES (1) | ES2108342T3 (en) |
IT (1) | IT1261592B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19949248A1 (en) | 1999-10-13 | 2001-04-19 | Freudenberg Carl Fa | Valve stem seal |
DE10151606C1 (en) * | 2001-10-18 | 2002-10-17 | Skf Ab | Valve shaft seal has a stiffening ring to carry the seal, with a cylindrical section to center the valve spring and a radial end section for the spring support without damage from the sharp spring end |
FR2867226A1 (en) * | 2004-03-05 | 2005-09-09 | Simcoo | Valve stem sealing unit for heat engine of e.g. lawn mower, has valve seal interposed between valve guide and valve stem, and spring maintained in place on stem by retainer to ensure return of tulip on base |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT7967950A0 (en) * | 1979-05-07 | 1979-05-07 | Supertex Spa | ASSEMBLY CONSISTING OF A SEAL FOR VALVE STEMS AND A SPRING SUPPORT CAP |
GB8629408D0 (en) * | 1986-12-09 | 1987-01-21 | Ford Motor Co | Valve assembly |
US4834037A (en) * | 1987-10-14 | 1989-05-30 | Dana Corporation | Unitary molded plastic valve seal |
US5295461A (en) * | 1992-04-13 | 1994-03-22 | Ford Motor Company | Oil-starved valve assembly |
US5207196A (en) * | 1992-07-31 | 1993-05-04 | Trw Inc. | Pre-assembled unit for engine valve system |
-
1993
- 1993-09-28 IT ITTO930705A patent/IT1261592B/en active IP Right Grant
-
1994
- 1994-07-05 EP EP94110441A patent/EP0645524B1/en not_active Revoked
- 1994-07-05 DE DE59404017T patent/DE59404017D1/en not_active Revoked
- 1994-07-05 ES ES94110441T patent/ES2108342T3/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2108342T3 (en) | 1997-12-16 |
ITTO930705A0 (en) | 1993-09-28 |
EP0645524A1 (en) | 1995-03-29 |
ITTO930705A1 (en) | 1995-03-28 |
EP0645524B1 (en) | 1997-09-10 |
IT1261592B (en) | 1996-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8331 | Complete revocation |