Valve timing retarding system
US5184581A · kind A · utility
43Cited by
0References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1990 |
| Grant date | Feb 9, 1993 |
| Priority date | — |
| Expiry date | Sep 21, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B2275/18
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Several embodiments of variable camshaft timing means for twin overhead cam engines. There is provided a first timing altering means between the engine output shaft and one of the camshafts and a second timing altering means that is operative between the one camshaft and the other camshaft. Both timing altering means are operated by the same hydraulic pressure in several embodiments and a locking device is incorporated so as to avoid self-induced timing adjustment due to the change in driving loads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.