Automatically cleaned filter

Details Automatically cleaned filter Automatically cleaned filter

2011-08-09

2011-08-09

Lithgow, Thomas M (Department: 1776)

Liquid purification or separation

With repair or assembling means

C210S326000, C210S330000, C210S332000, C210S396000, C210S397000, C210S402000, C210S436000

Reexamination Certificate

active

07993517

ABSTRACT:
An automatically cleaned filter comprises a motor; a base above the motor; the base being formed with at least one filter seat, a water inlet, a water draining hole and an annular groove; at least one filter core installed on a respective one of the filter seat; the filtering material being formed on an outer side of the filter core; a cleaning unit installed on a center portion of the base; a bottom of the cleaning unit being connected to the spindle; a gear being installed at an upper side of the base and being engaged to the spindle; an upper cover combined to the base by using at least one supporting posts; a lower side of each filter core being installed with a gear; and the gear at the lower side of the filter core being engaged to the gear of the cleaning unit.

REFERENCES:
patent: 2136853 (1938-11-01), Knecht
patent: 3784017 (1974-01-01), Arnold et al.
patent: 5387339 (1995-02-01), Lee et al.
patent: 5514265 (1996-05-01), Nowak et al.
patent: 5543087 (1996-08-01), Lee et al.
patent: 5670043 (1997-09-01), Lee

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