Patent ID: 6323472
Filing Date: 2001-11-27
Classification: H05B

Abstract:
A microwave oven comprising an oven cavity having therein a rotatable turntable, for supporting one or more items to be heated, and a radiant electric heater located above the turntable and comprising at least one first heating element and at least one second heating element, the at least one first heating element being adapted and arranged to overlie only a portion of the total upper surface area of the turntable to the extent that in operation alone, for each complete rotation of the turntable substantially all parts of the upper surface of the turntable are heated for substantially the same duration of time, the at least one first heating element providing a first power density, and the at least one second heating element being adapted and arranged such that it, or a combination thereof with the at least one first heating element, overlies substantially the total upper surface area of the turntable, and such that the at least one second heating element operated alone, or an operating combination of the at least one second heating element with the at least one first heating element, provides a second power density lower than the first power density.