Electric heating – Microwave heating – With diverse-type heating
Reexamination Certificate
2005-09-20
2005-09-20
Van, Quang T. (Department: 3742)
Electric heating
Microwave heating
With diverse-type heating
C219S399000, C219S405000, C219S756000, C219S681000
Reexamination Certificate
active
06946631
ABSTRACT:
A browning device for use in a microwave oven. The browning device can include an infrared generator for generating infrared radiation. The browning device being formed such that it has a hollow space. The interior surface of the hollow space facing the microwave oven cavity having an infrared absorbing material for absorbing infrared radiation from an infrared generator. The infrared absorbing material is constructed such that it is able to reach a temperature of 500° C. at which soot is vaporized or ignited. Quartz tubes may be utilized as the infrared generator.
REFERENCES:
patent: 4486639 (1984-12-01), Mittelsteadt
patent: 4771154 (1988-09-01), Bell et al.
patent: 5136133 (1992-08-01), Briggs et al.
patent: 6448540 (2002-09-01), Braunisch et al.
patent: 6528772 (2003-03-01), Graves et al.
Braunisch Eckart
Nyren Gunnar
Colligan John F.
Krefman Stephen
Rice Robert O.
Van Quang T.
Whirlpool Corporation
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