Continuous variable valve lift apparatus
US8225757B2 · kind B2 · utility
0Cited by
7References
17Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 20, 2008 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | Mar 8, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2013/0073
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A continuously variable valve lift apparatus includes an input cam disposed to a camshaft and rotating, a follower supporting portion rotatably disposed to the camshaft for changing a relative angle of the follower with respect to the camshaft, a follower that includes a center shaft, is connected with the follower supporting portion via the center shaft, and pivots around the center shaft by receiving rotation movement of the input cam, a straight line guide, an output cam that contacts the follower and reciprocates along the straight line guide, and a valve opening unit that is opened by pushing of the output cam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.