Patent ID: 6693266
Filing Date: 2004-02-17
Classification: H05B

Abstract:
An apparatus for heating objects with microwaves comprising:a microwave generator; an oven; a waveguide having one port portion connected to the microwave generator and one port portion connected to the oven, the waveguide being shaped so as to not hinder the propagation of microwaves incident toward the oven, and shaped so to make the cross-sectional area of the oven side port portion of the waveguide larger that the cross-sectional area of the microwave generator side port portion of the waveguide; and a microwave reflector apparatus provided inside the waveguide at a prescribed position to reflect most of the reflected microwaves from the oven heading toward the microwave generator back into the oven, the microwave reflector being shaped in the form of a prescribed size cone shape, pyramid shape or bell shape whose base is arranged to face the oven so as to not hinder the propagation of microwaves incident toward the oven.