Positive temperature coefficient heater
US8115146B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Jun 25, 2009 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Jan 28, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49083
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A positive temperature coefficient heater may include at least one positive temperature coefficient rod having a heating module inserted into a rod case made of brass and plated with tin, at least one heat-radiating fin made of brass, plated with tin, and contacted and coupled with each of opposite outer faces of the positive temperature coefficient rod, and upper and lower housings coupled to opposite longitudinal ends of the positive temperature coefficient rod, wherein the positive temperature coefficient rod and the heat-radiating fin are joined together by soldered portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.