Variable valve lift apparatus
US8056517B2 · kind B2 · utility
0Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2008 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Mar 10, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2810/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A variable valve lift apparatus of an engine includes: a control shaft; a driving arm rotatable around the control shaft by a cam of a camshaft; a first rocker arm rotatable around the control shaft, that is operated by the driving arm so as to drive a first valve through a first swing arm; a second rocker arm rotatable around the control shaft, that is operated by the driving arm so as to drive a second valve through a second swing arm; and a mediating device rotatable around the control shaft, that transmits a movement of the driving arm to the first and second rocker arms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.