Continuously operable power actuated vacuum filter

Details Continuously operable power actuated vacuum filter Continuously operable power actuated vacuum filter

1986-09-30

1988-08-02

Fisher, Richard V.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Filter cleaning

210111, 210193, 210387, 2104161, B01D 2902, B01D 2936, B01D 2942

Patent

active

047612266

ABSTRACT:
A vacuum filter having a filter tank provided with a lower vacuum chamber covered with a filter medium and connected to the intake of a pump. The filter medium, either a paper web or a fibrous filter aid, is removed when contaminated by a chain and flight conveyor after the vacuum is relieved. The vacuum is relieved by a single power actuated valve operable to supply clean liquid to the pump from a clean liquid tank and to supply a limited amount of liquid to the vacuum chamber.

REFERENCES:
patent: 3618772 (1971-11-01), Dietrick
patent: 3690466 (1972-09-01), Lee et al.
patent: 4396505 (1983-08-01), Willson et al.
patent: 4571302 (1986-02-01), Willson

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