Single-tub washing machine

Details Single-tub washing machine Single-tub washing machine

1993-08-03

1994-10-11

Stinson, Frankie L.

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

68 1214, 68133, D06F 3302

Patent

active

053536126

ABSTRACT:
A single-tub washing and dehydrating machine includes a microcomputer control means which, when the drain hole is blocked with laundries to be dehydrated in a dehydrating process to cause reduction of pressure inside an air trap and thereby a reset water level is detected erroneously, provides an error indication immediately after the detection, or controls the pulsator to effect a predetermined corrective operation for correcting the position of the laundries to be dehydrated inside the washing/dehydrating tub and thereafter provides an error indication if the correction is judged as impossible. Alternatively, the single-tub washing and dehydrating machine further includes a filter case having a plurality of slit holes, and a lint filter having a removable sack-shaped net while the lint filter is fitted detachably to the filter case. Still, in an alternate single-tub washing and dehydrating machine of the present invention, the taper ratios of the peripheral wall formed on the inner side of the washing/dehydrating tub and the grooves provided in the peripheral wall are limited to a range within 1/60 to 1/40, and the taper ratio of the grooves is different from and larger than the ratio of the peripheral wall while the ratio of the total width of grooves to the inner circumference of the washing/dehydrating tub is to be 1/9 or more.

REFERENCES:
patent: 3772902 (1973-11-01), Noguchi
patent: 4782544 (1988-11-01), Nystuen et al.
patent: 4843671 (1987-07-01), Hirooka et al.
patent: 5133200 (1992-07-01), Tanaka et al.
patent: 5207764 (1993-05-01), Akabane et al.

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