Temperature control method for positive temperature coefficient type heating element
US7256371B2 · kind B2 · utility
4Cited by
20References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2005 |
| Grant date | Aug 14, 2007 |
| Priority date | — |
| Expiry date | Mar 18, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02P19/025
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A controller adapted to control the temperature of a heating elements with a wide range of positive temperature coefficient of resistance, including very low values, using a sensor in line with the heating element. The controller is able to take account of non-constant mains power supplies and variation in the element resistance over time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.