System for removing contaminants from an oil tank in a hydraulic

Details System for removing contaminants from an oil tank in a hydraulic System for removing contaminants from an oil tank in a hydraulic

1988-06-07

1989-08-29

Spear, Frank

Liquid purification or separation

Structural installation

Closed circulating system

184 613, 184 624, 210171, 210172, 210194, 2104165, B01D 2100

Patent

active

048614670

ABSTRACT:
An oil filter device for an oil tank of a hydraulic device in which a drain opening of the oil tank is connected to the inflow passage of the oil filter device by an oil inflow pipe. An oil suction pipe of an oil pressure pump of an oil circulation system in the hydraulic device is connected to the outflow passage of the oil filter device by an oil return pipe. Further, a flow rate throttle is disposed in a preferred position of the oil return pipe.

REFERENCES:
patent: 2946445 (1960-07-01), Tursky
patent: 3297160 (1967-01-01), Humbert, Jr.
patent: 3707202 (1972-12-01), Dixon
patent: 3773144 (1973-11-01), Hummel
patent: 4139464 (1979-02-01), Coward
patent: 4151823 (1979-05-01), Grosse et al.
patent: 4361488 (1982-11-01), White et al.
patent: 4648363 (1987-03-01), Kronich
patent: 4797205 (1989-01-01), Kitamura

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