Temperature sensitive capsules
US4423402A · kind A · utility
1Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1982 |
| Grant date | Dec 27, 1983 |
| Priority date | — |
| Expiry date | Apr 26, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H37/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A capsule for use as a temperature responsive element in a temperature sensitive electrical switch. The capsule is provided in a transistor mounting can configuration to facilitate printed circuit board mounting. The capsule contains a fluid and a concave disc. At a predetermined temperature, the disc snaps-over into a convex configuration. Movement of the disc is detected to provide an output signal which is temperature responsive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.