Cleaning and liquid contact with solids – Apparatus – Automatic controls
Patent
1995-12-28
1997-03-11
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
Automatic controls
134 58D, 1341041, 134111, 210412, B08B 302
Patent
active
056091729
ABSTRACT:
An improved washing water filtering apparatus for a dish washing machine capable of preventing nets of a washing water filter from being clogged by wastes, so that it is not necessary to clean the nets of a washing water filter after using the dish washing machine, and preventing water pollution by effectively filtering the washing water of the dish washing machine, which includes a waste gathering box having a drain opening formed at an inner wall thereof and connected to a drainpipe and having an introduction tube disposed at a lower inner wall thereof for receiving washing water and wastes, such as food debris; a driving motor disposed at a lower portion of the waste gathering box; a rotary shaft connected to an upper portion of the driving motor and partially inserted into the interior of the waste gathering box and having an upper impeller disposed at an upper portion thereof; a lower impeller disposed at a lower portion of the waste gathering box and spaced apart from the upper impeller and connected to the rotary shaft; a separating tube disposed at an outer portion of the rotary shaft disposed between the upper impeller and the lower impeller; a flow direction control value disposed between an inner surface of the separating tube and an outer surface of the rotary shaft; and a microfilter extended from an outer surface of the separating tube and an inner surface of the waste gathering box, the microfilter being hollow and ring-shaped.
REFERENCES:
patent: 3457929 (1969-07-01), Madden
patent: 3491780 (1970-01-01), Kladenberg
patent: 3810480 (1974-05-01), Smith
patent: 3989054 (1976-11-01), Mercer
patent: 4612947 (1986-09-01), Duncan
patent: 5165433 (1992-11-01), Meyers
European Patent Application 198,496 Oct. 1986.
Chang Jae W.
Kim Joon W.
LG Electronics Inc.
Stinson Frankie L.
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