Textiles: fluid treating apparatus – Machines – Combined
Patent
1997-02-28
1999-08-17
Stinson, Frankie L.
Textiles: fluid treating apparatus
Machines
Combined
68 13R, 68207, 68208, D06F 3908
Patent
active
059376775
ABSTRACT:
A washing machine having a spraying nozzle assembly which not only evenly sprays a circulated washing liquid onto articles to be washed, but also effectively dissolves a detergent, thereby improving the washing efficiency. The spraying nozzle assembly has a hollow annular frame for receiving the washing liquid circulated by a circulation pump, a plurality of spraying ports for spraying the circulated washing liquid onto the article, and a plurality of impeller units dispersing the washing liquid sprayed by the spraying nozzles. The spraying ports extend downward by a predetermined length. The impeller unit has a bent suspension bar having a horizontal portion and a vertical portion, and an impeller rotatably coupled to the vertical portion of the bent suspension bar. A conical tip for rotatably supporting the impeller is integrally formed at an end of the vertical portion. The washing machine uniformly washes the articles. Impurities such as foam or suds remaining at a space formed between a spin tub and an outer tub are flushed by the washing liquid, so the washing effect is improved. The detergent remaining in the washing liquid in its solid state is dissolved by the friction between the washing liquid and the impeller unit, so the washing effect is further improved.
REFERENCES:
patent: 1724234 (1929-08-01), Thomas
patent: 2254003 (1941-08-01), De Marco
patent: 2588535 (1952-03-01), Kahn
patent: 2619977 (1952-12-01), Hagen
patent: 4809524 (1989-03-01), Sickert
patent: 5285664 (1994-02-01), Chang et al.
Daewoo Electronics Co. Ltd.
Stinson Frankie L.
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