Patent · US Expired

Microwave oven with phase modulator and fan on common driveshaft

US7012228B1 · kind B1 · utility

3Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 2004
Grant dateMar 14, 2006
Priority date
Expiry dateSep 9, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B6/704
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A microwave oven comprises a magnetron for delivering microwave power to a cavity of the oven, a rotatable phase modular (19) an electrical resistance heating element (12) and a rotatable fan (20) for forcing air over the resistance heating element (12) and though the cavity. The phase modulator (19) and the fan (20) are mounted on a common driveshaft (18). A matchplate (9) is mounted in the cavity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.