Electric heating – Microwave heating – Enclosed cavity structure
Patent
1999-03-12
2000-07-25
Leung, Philip H.
Electric heating
Microwave heating
Enclosed cavity structure
219710, 219716, 126 21A, 126273A, 126299D, H05B 668
Patent
active
060939222
ABSTRACT:
Disclosed is a wall mounted microwave oven including a body forming a cavity for accommodating the food to be cooked, a casing enclosing said body and having an inlet port and an outlet port respectively at the bottom part and on the top part thereof, to form a hood duct, and a hood fan being installed within said hood duct, comprising: a first switching part disposed on a main power source line interconnecting said hood fan and a power source, for switching on or off power transmission to said hood fan, a sensing switching part disposed on a sub power source line connected in parallel to said main power source line, and being turned automatically on or off depending on ambient temperature to switch on said hood fan when ambient temperature is over a predetermined temperature, and a second switching part disposed on said sub power source line, and being turned manually on or off to allow said hood fan to be switched of during said sensing switching part is on. With this configuration, the user can stop said hood fan while said hood fan automatically operates due to turn-on of said hood sensor, thereby reducing unnecessary consumption of power and noise of operation.
REFERENCES:
patent: 3934494 (1976-01-01), Butler
patent: 4143646 (1979-03-01), Sampsel
patent: 4231765 (1980-11-01), Scott
patent: 4251026 (1981-02-01), Siegel et al.
patent: 4327274 (1982-04-01), White et al.
patent: 4886046 (1989-12-01), Welch
Leung Philip H.
Samsung Electronics Co,. Ltd.
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