Dryer and method for controlling the operation thereof

Details Dryer and method for controlling the operation thereof Dryer and method for controlling the operation thereof

1990-08-15

1991-09-24

Tanner, Harry B.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 46, 34 48, 34 50, F26B 2106

Patent

active

050503138

ABSTRACT:
A dryer has a container holding goods to be dried, suction and exhaust ducts communicating with the container, a blower forcibly blowing air through the suction duct, the container and the exhaust duct and a heater for heating air flowing through the suction duct. An absolute humidity sensor is provided to measure a degree of absolute humidity in exhaust air flowing through the exhaust duct. Drying generation of the dryer is interrupted when a measured degree of absolute humidity of the exhaust air and a degree of absolute humidity in the surrounding air has a predetermined relationship.

REFERENCES:
patent: 4112589 (1978-09-01), Palfrey et al.
patent: 4206552 (1980-06-01), Pomerantz et al.
patent: 4338730 (1982-07-01), Tatsumi et al.
patent: 4386471 (1983-06-01), Bowrey et al.
patent: 4412389 (1983-11-01), Kruger
patent: 4644665 (1987-02-01), Naunapper et al.
patent: 4704805 (1987-11-01), Kaya et al.
patent: 4733479 (1988-03-01), Kaji et al.

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