Induction heat cooking apparatus and method for driving the same
US10582574B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2016 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Dec 18, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/1236
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An induction heat cooking apparatus includes a rectifier to rectify an input voltage and to output a DC voltage; a plurality of switching elements to switch the DC voltage output from the rectifier; a plurality of heating coils to heat a cooking container according to an operation of the plurality of switching elements; and a control part to control the plurality of switching elements, wherein the control part controls a time at which a switching element between a heating coil which is operated and a heating coil which is not operated among the plurality of heating coils is opened to be earlier than that of another switching element, such that power is not applied to the heating coil which is not operated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.