Patent ID: 6614011
Filing Date: 2003-09-02
Classification: H05B

Abstract:
A microwave oven comprising:a heating chamber containing food; a magnetron for heating the food in said heating chamber; a waveguide connected to said heating chamber and said magnetron for guiding microwaves oscillated by said magnetron to said heating chamber; a diffusion antenna diffusing the microwaves oscillated by said magnetron, said diffusion antenna extending from said waveguide to said heating chamber; and an antenna rotating portion rotating said diffusion antenna, wherein said antenna rotating portion rotates said diffusion antenna by air force, said waveguide has a hold for guiding the air from said antenna rotating portion to said waveguide, said microwave oven further includes an air guide member guiding the air from said antenna rotating portion to said waveguide, and said air guide member has a wall opposite the hole of said waveguide.