Electric heating – Microwave heating – Field modification
Patent
1998-04-02
1999-11-23
Leung, Philip H.
Electric heating
Microwave heating
Field modification
219748, 219751, 219697, H05B 670
Patent
active
059904666
ABSTRACT:
A microwave oven excitation system comprising a cylindrical microwave launcher for radiating microwave energy into a heating cavity of a microwave oven which is mounted adjacent to the heating cavity in either a substantially vertical position or a substantially horizontal position, a first hollow waveguide secured to the launcher, a first source of microwave energy at a predetermined operating frequency secured to the first waveguide, a second hollow waveguide secured to the launcher substantially perpendicular to the first waveguide, and a second source of microwave energy at a predetermined operating frequency secured to the second waveguide. Alternatively, a single waveguide is secured to the cylindrical launcher and has only a single source of microwave energy secured thereto. In either case, a mode stirrer can be installed within the cylindrical microwave launcher.
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Gidner John David
McKee Philip R.
Winkelman Earl R.
Leung Philip H.
TurboChef Technologies, Inc.
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