Fluid-actuated pressure switch for an automatic transmission
US4871887A · kind A · utility
1Cited by
24References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1988 |
| Grant date | Oct 3, 1989 |
| Priority date | — |
| Expiry date | Apr 29, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2059/683
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fluid-actuated pressure switch for a four-speed automatic transmission system having a diaphragm to prevent fluid contamination of the electrical switch contacts and features a leakage path which eliminates air trapped within the fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.