Induction heating apparatus having timing means responsive to temporary removal of cooking implement
US4129767A · kind A · utility
14Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1977 |
| Grant date | Dec 12, 1978 |
| Priority date | — |
| Expiry date | Jul 22, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/062
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A plurality of switches each is provided in the vicinity of each of a plurality of heater coils of an induction heating apparatus, and responsive to removel of a cooking implement from a corresponding heater coil for being rendered open. A plurality of timers each is connected to each of the switches and causes the heater coil to be de-energized when the cooking implement is kept away from the heater coil for more than a predetermined time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.