Washing machine with float type clutch and control method...

Details Washing machine with float type clutch and control method... Washing machine with float type clutch and control method...

2005-04-19

2005-04-19

Stinson, Frankie L. (Department: 1746)

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

C068S023600, C068S023700

Reexamination Certificate

active

06880192

ABSTRACT:
Disclosed is a washing machine with a float type clutch in which a float connects a rotating force from a motor to a spin-drying shaft or disconnects the rotating force from the spin-drying shaft as it is upwardly or downwardly moved in accordance with supply or drainage of wash water, thereby allowing a washing operation or a dehydrating operation to be carried out, while forming an air layer for preventing wash water from reaching gears included in the float type clutch. A clutch control method in the washing machine with the float type clutch is also disclosed which involves an algorithm for determining whether or not the float is engaged with or disengaged from the spin-drying shaft, and executing an engagement or disengagement operation based on the determined result, and an algorithm for discriminating whether or not the engagement or disengagement is achieved in accordance with the float engagement/disengagement determining algorithm, thereby achieving an improvement in the reliability of float engagement/disengagement operations.

REFERENCES:
patent: 3832870 (1974-09-01), Todd-Reeve
patent: 5150589 (1992-09-01), Williams et al.
patent: 5586455 (1996-12-01), Imai et al.
patent: 5651277 (1997-07-01), Richardson
patent: 5661990 (1997-09-01), Chong
patent: 95011604 (1995-10-01), None

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