Overheat detection sensor
US7365631B2 · kind B2 · utility
2Cited by
5References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 3, 2004 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | Aug 26, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K1/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to an overheat detection sensor. The inventive sensor is characterised in that it comprises a conductive core which extends inside a first conductive sheath, said core and first sheath being separated by a material having a positive or negative temperature coefficient The detector also comprises a wire which is made from a material having a positive or negative temperature coefficient. Said wire extends around the first sheath and is separated from same by means of an insulating material. The central core, the first sheath and the wire are all connected to connection means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.