Heating cell and PTC heating device comprising such
US12150217B2 · kind B2 · utility
0Cited by
1References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 7, 2021 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | May 20, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A heating cell includes a frame made of electrically insulating material. A PTC element, which is received in a frame opening of the frame. Insulating layers accommodate the PTC element between themselves, are connected to the frame, and at least partially cover a respective main side surface of the PTC element exposed in the frame opening and a frame surface defining the frame opening. Abutment projections project beyond the frame surface and at least partially enclose a circumferentially encircling edge of the insulating layer between themselves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.