Heat generating element and electric auxiliary heater for a motor vehicle with heat generating element
US8395088B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2007 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Jan 5, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A heat generating element for heating air in an electric auxiliary heater of a motor vehicle includes at least one PTC heating element and an insulating housing surrounding the PTC heating element as well as electric strip conductors lying against the PTC heating element at opposite sides. The housing is embodied in two parts with a housing shell element and a shell counter element which are lying against each other with the interposition of a sealing strip and sealingly surround the at least one PTC heating element. The present invention further relates to an electric auxiliary heater for a motor vehicle with a layer composition held in a frame, comprising the at least one heat generating element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.