Electro-magnetic-hydraulic valve drive for internal combustion engines
US4791895A · kind A · utility
26Cited by
7References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 18, 1987 |
| Grant date | Dec 20, 1988 |
| Priority date | — |
| Expiry date | May 18, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B1/04
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Valve drive for a combustion engine with an hydraulic transmission system between a control member and a valve includes a device for stepping up the hydraulic transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.