Multi polymer positive temperature coefficient heater
US11166343B2 · kind B2 · utility
0Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2018 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Feb 12, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/037
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A heating element includes a first bus bar disposed to receive current from a power source, and a second bus bar non-adjacent to the first bus bar. The heating element further includes a polymer ink section extending between the first and second bus bars, and the section includes a plurality of PTC polymer inks each different from one another. The second bus bar is electrically connected to the first bus bar via the polymer ink section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.