Patent ID: 6541746
Filing Date: 2003-04-01
Classification: H05B

Abstract:
A heating apparatus of a microwave oven comprising:a heater installed at an upper portion of a cooking chamber into which foodstuff is received; a ventilating fan installed at one side of the heater, for circulating air inside the cooking chamber to pass across the heater, said fan sharing a common enclosure with a reflecting plate covering said heater, and being disposed at a height lower than a height of said reflecting plate; an upper plate installed at an upper portion of the cooking chamber, having a suction hole through which the air inside the cooking chamber is drawn into the ventilating fan, and a discharge hole, through which the air which has passed across the heater is again supplied to the cooking chamber; and an air guide unit mounted at an upper side of the upper plate, for guiding an air flow from the ventilating fan to the heater.