High pressure switch with isolated contacts
US7348509B2 · kind B2 · utility
2Cited by
16References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2006 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Apr 8, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H35/2614
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A pressure switch employs electrical contacts isolated from pressure media. By employing a snap action blade in a snap over center configuration, it is possible to provide a hysteresis effect in which the switch actuates at one pressure and deactuates at a different pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.