Method of controlling a dryer

Details Method of controlling a dryer Method of controlling a dryer

2011-01-11

2011-01-11

Lu, Jiping (Department: 3743)

Drying and gas or vapor contact with solids

Process

Combined

C034S553000, C034S572000

Reexamination Certificate

active

07866059

ABSTRACT:
The present disclosure suggests a dryer and method of controlling the same. Disclosed is a dryer, comprising: a heater for heating the air which is to be directed to a dry drum; a motor for rotating the dry drum; a power supply unit for supplying electric current to the heater and the motor; a heater relay for selectively applying electric current to the heater; a motor relay for selectively applying electric current to the motor; a safety relay for selectively applying electric current from the power supply unit to the respective relay; and a control unit for cutting off electric current by turning off the safety relay when an abnormal stop occurs, after the control unit determines whether the abnormal stop occurs during a drying operation.

REFERENCES:
patent: 2869247 (1959-01-01), Metzger
patent: 3417380 (1968-12-01), Hasbrouck et al.
patent: 3417480 (1968-12-01), Thunander
patent: 3839951 (1974-10-01), Palmason
patent: 4327278 (1982-04-01), Tomaro
patent: 5044261 (1991-09-01), Kawazoe
patent: 5852881 (1998-12-01), Kuroda et al.
patent: 63319000 (1988-12-01), None
patent: 07059994 (1995-03-01), None

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