Variable valve system
US8973540B2 · kind B2 · utility
0Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2012 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Oct 21, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L9/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A variable valve system, may include a variable valve apparatus that controls opening/closing timing of an exhaust valve and an intake valve of an engine, and an oil supply device that supplies the variable valve apparatus with a pressured oil, wherein the exhaust valve and the intake valve may be opened/closed by rotation of a camshaft, and the oil supply device engaged with the camshaft may be operated by the rotation of the camshaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.