Ceramic heater
US11937345B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 10, 2020 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Sep 10, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/014
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a ceramic heater. The ceramic heater of the present invention comprises: a heater plate in which a heating element is disposed and which is made of a ceramic material; a shaft which has a tubular shape with a through-hole and is coupled to the bottom surface of the heater plate and in which a rod for supplying power to the heating element through the through-hole is received; and a continuous or discontinuous air pocket which is provided in a joint with which the heater plate and the shaft come into contact and by which the heater plate and the shaft are coupled to each other, wherein the air pocket is formed along the joining surface of the joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.