Variable valve lift apparatus
US7950362B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2008 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Dec 12, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2305/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A variable valve lift apparatus includes an input cam disposed to a input shaft, a valve opening unit, a control shaft parallel to the input shaft, an input link rotatably coupled to the control shaft and contacting the input cam, a control link connected with the input link and eccentrically connected to the control shaft, a connecting link connected with the control link, and a lift arm that is rotatably coupled to the control shaft, is connected with the connecting link, and drives the valve opening unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.