Patent ID: 6297485
Filing Date: 2001-10-02
Classification: H05B

Abstract:
A microwave oven including a cavity defining a cooking area a magnetron positioned outside said cavity for generating microwaves, a waveguideadjacent said magnetron and extending into said cavity for transmitting microwaves into said cavity, said microwave oven further comprising:a bidirectional flow channel formed inside said waveguide for transmitting microwaves selectively into said cavity defining a cooking area in accordance with desired cooking function;a microwave guide plate positioned in said waveguide for guiding said microwaves between one of two directions of said bidirectional flow channel in said waveguide;means to rotate said microwave guide plate between selected positions whereby said microwaves are directed in one of said selected two directions of said bidirectional flow channel; anda plasma lamp adjacent said bidirectional flow channel and positioned within said cavity for generating radiant energy upon being heated by microwaves directed from one of said directions of said bidirectional flow channel.