Film-type heating element
US10237919B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2012 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Aug 11, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/013
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to a heating element comprising a substrate (1) equipped with a thin-film multilayer, the thin-film multilayer comprising a film (3) suited to being heated, this film having a sheet resistance of between 20 and 200 Ω/square, the heating element also comprising two conductive collectors suited to being fed with electrical voltage, the film suited to being heated being a transparent electrically conductive oxide film and the film (3) suited to being heated not being machined and being electrically connected to the two conductive collectors, the film (3) suited to being heated having a thickness of between 50 nm and 300 nm.The invention allows a heating element, with a film suited to being heated that is simple to manufacture, to be easily installed in an electric vehicle or easily connected to the national grid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.