Variable valve timing mechanism
US4539951A · kind A · utility
27Cited by
13References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 1984 |
| Grant date | Sep 10, 1985 |
| Priority date | — |
| Expiry date | Jul 19, 2004 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L13/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An angular position of a lever with which a rocker arm contacts to define a fulcrum therebetween is varied by rotation of a cam which is installed in a manner to be rotatable relative to its cam shaft and drivingly connected through a spring to the cam shaft or to an output shaft of a driving system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.