Heater element as well as an insert for electrical furnaces
US9144114B2 · kind B2 · utility
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10References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 2, 2008 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Jun 5, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/018
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Insert for electrical furnaces comprising an insulating shell and a coiled heater element, the heater element comprising element wire that consists of at least two sections that are interconnected via a bend of element wire in such a way that the bend and the sections mutually form a loop of element wire. A fastening member is fixedly anchored in the insulating shell and arranged in the area of the bend in such a way that the element wire in a section directly connected to the bend is prevented from expanding past the fastening member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.