Heating assembly comprising a PTC element, in particular for a motor vehicle
US7759610B2 · kind B2 · utility
0Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2004 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Sep 21, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B3/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a heating assembly comprising at least one PTC element, in particular for a motor vehicle. According to the invention, the PTC element (2) is positioned between metal sheets (3, 4), which are used to make electrical contact, said sheets (3, 4) and the PTC element (2) are bonded by means of an adhesive (5) and the adhesive (5) has a minimum specific electrical resistance of 50 ohms×cm and a maximum specific electrical resistance of 500 ohms×cm. In addition, solder can be used as an alternative to the adhesive (5).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.