Electrical heating device
US11134546B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2018 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Feb 11, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/016
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Electrical heating device with a tube-shaped metal sleeve, with an insulating body that is arranged in the interior of the tube-shaped metal sleeve and is passed through by at least one tunnel-like opening, with an electrical heating element, that runs with at least one section in the tunnel-like opening and with a connecting wire for the direct or indirect electrical contacting and supply of the electrical heating element that also runs with at least one section in the tunnel-like opening, wherein the sections of the electrical heating element and of the connecting wire running in the tunnel-like opening overlap each other in a contact area (K) at least in some sections, wherein the contact area (K) is in an unheated section (u) of the electrical heating device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.