Textiles: fluid treating apparatus – Machines – Combined
Patent
1998-04-20
1999-07-27
Coe, Philip R.
Textiles: fluid treating apparatus
Machines
Combined
68134, D06F 1710
Patent
active
059271051
ABSTRACT:
A pulsator assembly of washing machine having a plurality of auxiliary pulsators. The washing machine has an outer tub, a spin tub rotatably accommodated within the outer tub, a main pulsator rotatably disposed at an inner lower portion of the spin tub, a plurality of auxiliary pulsators disposed at an upper surface of the main pulsator, the plurality of auxiliary pulsators being symmetrically arranged opposite to each other about a rotating shaft of the main pulsator, the plurality of auxiliary pulsators being moved in the upward and downward directions while the main pulsator is being rotated, thereby generating a turbulent liquid flow in the spin tub, and a plurality of elastic members respectively disposed between the plurality of auxiliary pulsators and the main pulsator for elastically biasing the plurality of auxiliary pulsators toward the main pulsator. Since the pulsator assembly of the washing machine agitates an upward liquid flow by a pair of auxiliary pulsators while a washing cycle is being executed, a turbulent liquid flow is generated in the spin tub, thereby preventing articles from tangling with each other. Furthermore, the turbulent liquid flow collides with the articles, thereby improving the washing effect.
REFERENCES:
patent: 5595072 (1997-01-01), Bai et al.
patent: 5680780 (1997-10-01), Kim et al.
patent: 5722265 (1998-03-01), Cho
patent: 5727413 (1998-03-01), Na
patent: 5839299 (1998-11-01), Lee
patent: 5839300 (1998-11-01), Yoon et al.
Coe Philip R.
Daewoo Electronics Co. Ltd
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