Cooling device for halogen lamp in microwave ovens

Details Cooling device for halogen lamp in microwave ovens Cooling device for halogen lamp in microwave ovens

1999-07-29

2000-10-03

Vu, David

Electric heating

Microwave heating

Enclosed cavity structure

219707, 315112, H05B 680

Patent

active

061276669

ABSTRACT:
A cooling device for halogen lamps in microwave ovens is disclosed. In the cooling device, two halogen lamps, installed on the top wall of the cavity, radiate light waves into a cavity. A cooling fan assembly, provided at a position around the halogen lamps, generates a cooling air current for the lamps. An air guide duct guides the cooling air current so as to allow the air current to flow from the cooling fan assembly into the atmosphere while cooling the lamps. An exhaust fan is provided within the air outlet port of the air guide duct. The exhaust fan increases the flowing rate of the air current at the air outlet port, which is bent at a right angle. Due to the exhaust fan, the cooling device of this invention more effectively cools the halogen lamps and allows the cooling air current to be more smoothly discharged from the duct into the atmosphere regardless of the bent shape of the air outlet port.

REFERENCES:
patent: 5445009 (1995-08-01), Yang et al.
patent: 5666640 (1997-09-01), Daniylchev
patent: 5951907 (1999-09-01), Kang
patent: 6005235 (1999-12-01), Shin

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