Clothes dryer

Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles

Reexamination Certificate

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Details

C034S604000, C034S524000, C034S121000, C034S605000

Reexamination Certificate

active

06874250

ABSTRACT:
A clothes dryer has a first four pole motor that rotates a rotatable drum in the dryer through a transmission system. The clothes dryer has a second two pole self speed regulated induction motor connected to a blower fan in the air passageway of the dryer. The second motor rotates the fan to draw air out of the dryer and exhaust the air to an external vent. The second motor provides a long venting application and has a slip characteristic whereby the speed of the second motor automatically varies directly proportional to air flow restrictions associated with the external vent.

REFERENCES:
patent: 4147070 (1979-04-01), McMillan
patent: 4300293 (1981-11-01), Gladysz
patent: 4360977 (1982-11-01), Frohbieter
patent: 4407077 (1983-10-01), Smith
patent: 4677761 (1987-07-01), Rattner
patent: 4700492 (1987-10-01), Werner et al.
patent: 6647643 (2003-11-01), Song et al.

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