Induction heating circuit, protection circuit and cooling system for an appliance
US12144087B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2019 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Jul 28, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K7/20136
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An induction heating circuit for an appliance, the induction heating circuit comprising: an AC power supply with an AC monitoring output connected to the active line of the AC power supply, the AC monitoring output providing an indication of current being drawn from the AC power supply; a control circuit comprising at least one processor and a semiconductor current sensor, the semiconductor current sensor arranged to i) detect the current being drawn from the AC power supply and ii) output an output voltage based on the detected current; and an induction driving circuit for driving an inductor of the appliance comprising a semiconductor switch, wherein the semiconductor switch is controlled by the processor based on, at least, the output voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.