Pressure change responsive sensor and related vacuum operable switch assembly
US4219710A · kind A · utility
9Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 1976 |
| Grant date | Aug 26, 1980 |
| Priority date | — |
| Expiry date | Apr 15, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H35/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A pressure change responsive sensor and related vacuum operable switch assembly capable of operation from the manifold of an internal combustion engine to activate a signal in anticipation of the application of the brakes of an automobile. The vacuum operable switch assembly is an improvement on the applicant's U.S. Pat. No. 3,639,898 for Differential Pressure Control System And Switch Means Therefor, and is capable of adjustment to function with internal combustion engines having different manifold vacuum characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.