High frequency heating apparatus

Details High frequency heating apparatus High frequency heating apparatus

2007-05-08

2007-05-08

Fuqua, Shawntina (Department: 3742)

Electric heating

Microwave heating

Enclosed cavity structure

C219S702000, C219S704000, C219S705000, C219S710000, C219S711000, C219S715000, C219S723000

Reexamination Certificate

active

10739075

ABSTRACT:
A heating apparatus includes an inverter power supply for driving the high frequency generating device, a holding member for holding the inverter power supply and cooling fan for cooling down the inverter power supply. The holding member is provided with a holding portion for holding the inverter power supply and an air guide portion for guiding cooling air from the cooling fan toward the inverter power supply, and the air guide portion covers the inverter power supply and guides the cooling air in a manner that a semiconductor switching device and a high voltage transformer of the inverter power supply are primarily cooled down.

REFERENCES:
patent: 4614036 (1986-09-01), Haraguchi
patent: 6677562 (2004-01-01), Oshima et al.
patent: 0928670 (1999-07-01), None
patent: 1216799 (2002-06-01), None
patent: 2-244587 (1990-09-01), None
patent: 8-31562 (1996-02-01), None

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