Cam-controlled manual valve in an automatic transmission
US4916961A · kind A · utility
7Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1989 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | Apr 13, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20024
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A manually actuated valve in a four-speed automatic transmission includes a cam means for moving the manually actuated valve in response to driver selected operating modes of the transmission which allows fluid flow between the fluid source and the proper clutch apply piston to actuate the corresponding clutch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.