Induction heating unit, fixing device and method for attaching coil for induction heating unit
US8410408B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2007 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Jun 24, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2042
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An induction heating unit enabling to attaching coil on coil attaching surface of bobbin with a high degree of accuracy, and a fixing device capable of maintaining the distance between the coil and the member to be heated at a high degree of accuracy, ensuring uniformity of temperature distribution of the member to be heated, rising temperature at a high speed, and enhancing quality of fixation. In an induction heating unit 30 including a magnetizing coil 39 attached on a coil bobbin 38 which is disposed outside of annular body 19 to be heated, the unit including: a layer of elastic adhesive 44a provided on the outer surface of the coil bobbin 38; a magnetizing coil 39 provided on the layer of elastic adhesive 44a, the magnetizing coil 39 being wound beforehand following an attaching surface; and a layer of elastic adhesive 44b provided on the magnetizing coil 39.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.