Pulsator for a washing machine

Details Pulsator for a washing machine Pulsator for a washing machine

1997-04-29

1998-11-24

Vanatta, Amy B.

Textiles: fluid treating apparatus

Machines

Impulsing

D06F 1710

Patent

active

058393005

ABSTRACT:
A pulsator for a washing machine generates a vortex-type water current in a washing tub in order to wash washing articles. In the pulsator of a washing machine, a base plate is fixed to a shaft of the washing machine to be rotated according to a rotation of the shaft. A plurality of stirring blades are downwardly slanted from the center of the base plate to an outer periphery thereof in a sector form on a bottom surface of the base plate. The plurality of stirring blades define at least one concave collecting basing between adjacent stirring blades on the bottom surface of the base plate. The pulsator for a washing machine generates a vortex-type water current in a washing tub and evenly transmits a friction force generated by a washing water current to the washing articles in a state that a current of the washing water is not uniform inside the washing tub thereby minimizing the twist of washing articles and increasing washing efficiency.

REFERENCES:
patent: Re18280 (1931-12-01), Kirby
patent: Re19514 (1935-04-01), Dehle
patent: 1459483 (1923-06-01), Unruh
patent: 3233436 (1966-02-01), Gibson
patent: 3257830 (1966-06-01), Shelton
patent: 4594863 (1986-06-01), Oida
patent: 5473916 (1995-12-01), Ye
patent: 5675996 (1997-10-01), Cho
patent: 5680780 (1997-10-01), Kim et al.

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