Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine
US8677956B2 · kind B2 · utility
2Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2009 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Jan 23, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7876
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine. The control valve has a substantially hollow cylindrical valve housing, a non-return valve and an annular filter. The annular filter is arranged within the valve housing and the non-return valve has a closing body and a spring element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.