Shielded heating element having intrinsic temperature control
US4701587A · kind A · utility
279Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1981 |
| Grant date | Oct 20, 1987 |
| Priority date | — |
| Expiry date | Mar 16, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B3/42
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A heating structure is described having both a return conductor and a heating element consisting of a substrate of a non-magnetic material having high thermal and electrical conductivity, clad with a surface layer of a ferromagnetic material of relatively low electrical conductivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.