Temperature switch
US8349218B2 · kind B2 · utility
1Cited by
17References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2011 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Mar 15, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A temperature switch comprises a material (14) which melts and concomitantly undergoes a change in an electrical characteristic at a predetermined temperature. The temperature switch also includes at least two electrical contacts (10, 12) for detecting the change in the electrical characteristic. The material (14) comprises an organic cation and an anion and is preferably an ionic liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.