Temperature responsive reed switch
US4023128A · kind A · utility
8Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1976 |
| Grant date | May 10, 1977 |
| Priority date | — |
| Expiry date | Feb 20, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H37/585
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A temperature responsive reed switch having magnetic reed pieces, a permanent magnet disposed near a contact of the reed switch and being magnetized in an axial direction of the reed switch, two temperature responsive magnetic materials disposed adjacent the ends of the permanent magnet in the axial direction of the reed switch and a magnetic yoke disposed adjacent the outer surfaces of the temperature responsive magnetic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.