PTC heater with reduced switch-on current
US12424357B2 · kind B2 · utility
0Cited by
18References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2017 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Mar 28, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/1115
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A positive temperature coefficient (PTC) heater is disclosed. In an embodiment the PTC heater includes a main body having a length L, a width B, and a height H made of a PTC material and a first electrode and a second electrode made of an electrically conductive material, wherein the following is true for L, B, and H: L≥B≥H, and wherein the electrodes are connected to the main body so that the following is true for a spacing d thereof from one another: d>H.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.