Self-contained hydraulic lifter
US4574750A · kind A · utility
1Cited by
5References
5Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 8, 1983 |
| Grant date | Mar 11, 1986 |
| Priority date | — |
| Expiry date | Aug 8, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L1/245
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A self-contained hydraulic lifter used in valve trains of internal combustion engines having a cylindrical body, a plunger arranged slidably therein, and a diaphragm arranged in the plunger. A metal ring is embedded in the upper portion of the diaphragm and the upper end of the metal ring is in contact with the stopper member fixed to the upper end of the plunger, thereby the sealability of the diaphragm being improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.