Phase change coupling
US6308669A · kind A · utility
12Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2000 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | May 31, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2102
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A phase change coupling is disclosed for allowing the angular position of a drive member 10 of a camshaft 12 to be varied in relation to the camshaft. The coupling is additionally provided with a locking mechanism for preventing rotation of the drive member relative to the camshaft in only one direction during cranking of the engine, so that, during cranking of the engine, the drive member 10 is rotated in only one sense relative to the camshaft by the camshaft torque reversals until it reaches a predetermined start-up angular position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.