Low mass roller valve lifter assembly
US5307769A · kind A · utility
45Cited by
13References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1993 |
| Grant date | May 3, 1994 |
| Priority date | — |
| Expiry date | Jun 7, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2107
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An assembly of a low mass roller valve lifter having a body diameter smaller than the diametral extent of the associated roller and a sleeve sized to receive protruding portions of the roller. The sleeve has a transverse slot that guides flatted ends of the roller shaft to restrain rotation of the lifter body and of the roller shaft. Various sleeve retainers are disclosed and oil supply means are provided suitable for new or reworked engines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.