Air venting mechanism for variable camshaft timing devices
US6745735B2 · kind B2 · utility
20Cited by
19References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 2003 |
| Grant date | Jun 8, 2004 |
| Priority date | — |
| Expiry date | Feb 28, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2001/34473
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A device includes: a locking member substantially disposed within a closure in the housing, the locking member locking the housing and the rotor free from relative rotation and independent of fluid flow; and at least one vent passage disposed between either the first or the second chamber and the closure in the housing; thereby air within the chamber is purged and noise stopped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.