High-capacity PTC heater
US8431874B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 26, 2009 |
| Grant date | Apr 30, 2013 |
| Priority date | — |
| Expiry date | Dec 3, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high-capacity positive temperature coefficient heater, may include a plurality of positive temperature coefficient rods, wherein each of the positive temperature coefficient rods has a built-in positive temperature coefficient element that generates heat when electric power is supplied thereto, a plurality of heat-radiating fins attached to either side of the positive temperature coefficient rods along a longitudinal direction thereof, an upper housing coupled to one ends of the positive temperature coefficient rods, and a lower housing coupled to the other ends of the positive temperature coefficient rods, wherein the heat radiating fins are bonded to the positive temperature coefficient rods by heat conductive adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.