Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Patent
1979-12-03
1981-11-24
Spear, Jr., Frank A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Filter cleaning
210112, 210138, 210232, 210444, B01D 3516
Patent
active
043023304
ABSTRACT:
A fluid filter apparatus has a standard filter element in it which has the usual end gaskets seated in annular grooves. An axial drive shaft positively rotates the filter element through key-like means between the shaft and the wall of a groove. An automatic system starts and stops the rotation.
REFERENCES:
patent: 2183616 (1939-12-01), Korte
patent: 3332554 (1967-07-01), Humbert, Jr.
patent: 3502213 (1970-03-01), Kuribayashi
patent: 4204961 (1980-05-01), Cusato, Jr.
Spear, Jr. Frank A.
Underwood Raymond
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