Apparatus and method for controlling reversible dryer

Details Apparatus and method for controlling reversible dryer Apparatus and method for controlling reversible dryer

1995-04-25

1997-07-29

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With automatic control

34562, 34572, 34574, F26B 1900

Patent

active

056511949

ABSTRACT:
A dryer and a method for controlling a dryer for drying items in a rotating drum by supplying hot air therein. In the rotating drum, electrodes are provided in a position at which the items in the rotating drum enable to come into contact with the items. A degree of dryness of the items is detected in accordance with the current passing through the electrodes. When the detected degree of dryness reaches a predetermined level, an untangling operation is carried out. In the untangling operation, a rotation of the rotating drum is controlled in order to untangle a tangled or wrapped state of the items. The drying operation of the dryer is ended in accordance with the detected degree of dryness. The untangling operation can include a forward rotation of the drum followed by stopping the drum. It can also include rotating the drum in a forward direction, then rotating it in a reverse direction and then stopping the drum.

REFERENCES:
patent: 3309783 (1967-03-01), Worst
patent: 3507052 (1970-04-01), Robandt
patent: 4738034 (1988-04-01), Muramatsu et al.

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