Sleeve and cylinder head cover
US7789056B2 · kind B2 · utility
1Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2006 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Jun 23, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2301/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A sleeve allows insertion of an oil control valve, and is used by being inserted to an installation hole provided in a cylinder head cover. An outer surface of a sleeve main body of the sleeve is covered by a rubber-like elastic body layer. The rubber-like elastic body layer has a protrusion provided in the periphery of an oil hole provided in the sleeve main body in such a manner as to surround the oil hole. In accordance with the sleeve, it is possible to install the oil control valve to the cylinder head cover at a high oil tightness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.