Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1992-11-18
1993-09-21
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 43, F26B 1900
Patent
active
052457648
ABSTRACT:
A method for controlling a laundry dryer in accordance with an amount of laundry to be dried, comprising discriminating the amount of blankets contained in a drum and controlling the output of a heater unit, based on the discrimination as to the amount of blankets. The discrimination is based on the room air temperature and the temperature difference between the internal temperature sensed by a drum temperature sensor and the exhaust air temperature sensed by an exhaust air temperature sensor after the dehumidification of air, when a predetermined period has lapsed after the start of initial drying. Three drying steps are carried out under the condition that a maximum temperature has been predetermined, based on the discriminated amount of blankets. As a result, it is possible to reduce the total drying period and to avoid an erroneous determination as to a drying condition of the blankets.
REFERENCES:
patent: 4622759 (1986-11-01), Abe et al.
patent: 4738034 (1988-04-01), Muramatsu et al.
Bennet Henry A.
Goldstar Co. Ltd.
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