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US 6,462,320 B1Granted
Dielectric heating device employing microwave heating for heating or cooking substances
AssigneeTechnology Finance Corporation (Proprietary) Limited
InventorsPaul Fritz Fuls, Andre Keith Joubert, Johann Daniel le Roux, Mathys Johannes Rossouw
Life of this patent
Estimating the term…
Abstract
This invention relates to a dielectric heating device. More particularly, it relates to a dielectric heating device which employs microwave heating, suitable for heating or cooking foodstuffs and suitable for, but not restricted to, use as a domestic or institutional microwave oven.
Claims12
A dielectric heating device which comprises:
- a plurality of electrically conductive side walls which are electrically interconnected and arranged in series to define a heating cavity, at least one pair of adjacent side walls being inclined to each other to define an included angle selected from the group consisting of acute angles and obtuse angles;
- and
- at least one electromagnetic power source capable of emitting electromagnetic radiation suitable for dielectric heating and arranged to feed such radiation into the cavity at a frequency which varies with time and which causes the heating cavity to act as a multimode resonant heating cavity.
Dependencies are inferred from the claim text.