Oil drain passage structure
US7886711B2 · kind B2 · utility
2Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2009 |
| Grant date | Feb 15, 2011 |
| Priority date | — |
| Expiry date | Aug 20, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2191
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An oil drain passage that guides, to an oil pan, lubrication oil in a space surrounded by a side wall of an engine block and an inner wall of a chain cover is formed with a partition formed by contacting a rib provided on the inner wall of the chain cover and a rib provided on the side wall of the engine block. An opening is provided in a portion of the partition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.