Heating control apparatus by humidity detection

Details Heating control apparatus by humidity detection Heating control apparatus by humidity detection

1980-06-06

1982-06-15

Grimley, Arthur T.

Electric heating

Metal heating

Of cylinders

219 1055R, 340588, H05B 668

Patent

active

043352936

ABSTRACT:
A heating control apparatus in microwave ovens controls heating of food by detecting water vapor generated by heating a food to sense a varying relative humidity by a humidity sensor and determining a critical point of the heating condition of the food by detecting a time point when the relative humidity rises from a minimum value beyond a predetermined threshold value thereby to determine a proper total heating time of the food. To allow accurate humidity sensing, a cleaning device is provided in proximity to the humidity sensor such that the cleaning device is actuated for an appropriate time period at a proper timing to insure proper performance of the humidity sensor.

REFERENCES:
patent: 3467804 (1969-09-01), Smith
patent: 3813918 (1974-06-01), Moe
patent: 3839616 (1974-10-01), Risman
patent: 3909598 (1978-09-01), Collins et al.
patent: 4035787 (1977-07-01), Hornung
patent: 4097707 (1978-06-01), Kobayashi et al.
patent: 4133995 (1979-01-01), Buck

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