Configuration of lubricating system for a power unit of a vehicle
US7878085B2 · kind B2 · utility
9Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2007 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Sep 30, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2186
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A power unit includes a shaft member rotatably supported by the crankcase and a torsional coil spring, disposed at one end of the shaft member, biasing a swing arm in one rotational direction. An oil strainer is fixed to the crankcase through a strainer support bracket extending vertically relative to a strainer element. The torsional coil spring includes a coil portion wound around the shaft member, one end portion retained on the side of the shaft member, and the other end portion retained by a retaining portion formed integrally with the strainer support bracket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.