Method of applying reverse gear in an automatic transmission
US4944200A · kind A · utility
15Cited by
18References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1988 |
| Grant date | Jul 31, 1990 |
| Priority date | — |
| Expiry date | Apr 29, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2059/6807
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method of reverse clutch operation prevents excessive wear of the reverse clutch in a four-speed automatic transmission by venting one clutch, filling the reverse clutch and applying it, and filling and reapplying the one clutch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.