Patent ID: 9642194
Date: 2017-05-02
CPC Classifications: H05B

Claim:
1. A microwave heating apparatus comprising: a tubular waveguide applicator having a first end and an opposite second end, a centerline, and a circular cross section and forming a heating chamber between the first and second ends with an axis along the centerline of the tubular waveguide applicator; a microwave source; a waveguide feed connected between the microwave source and the tubular waveguide applicator at the first end to propagate microwaves through the tubular waveguide applicator from the first end to the second end with a dominant TE a first resistive choke connected in series with the tubular waveguide applicator at the first end and a second resistive choke connected in series the tubular waveguide applicator at the second end, wherein each of the first and second resistive chokes includes: