Self-monitoring heat tracing system
US4453159A · kind A · utility
17Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1981 |
| Grant date | Jun 5, 1984 |
| Priority date | — |
| Expiry date | Sep 28, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H5/043
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A self-monitoring heat tracing system including a heating conductor, a monitor conductor, and a control circuit which monitors the integrity of the heat tracing conductor and provides alarm signals to indicate abnormal temperature conditions in the heating system or discontinuities in the monitor circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.