Automatic transmission with feedback passage for preventing reverse flow
US5176039A · kind A · utility
12Cited by
5References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 5, 1991 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Nov 5, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2186
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An automatic transmission with a reverse inhibit feedback passage between front and rear oil sumps. The transmission includes a case, a passage in the case for returning oil to the front sump from the rear sump and a flap valve for allowing the flow from rear sump to front sump while inhibiting oil flow in the reverse direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.