Hydraulic pumping and switching apparatus

Details Hydraulic pumping and switching apparatus Hydraulic pumping and switching apparatus

1980-07-10

1983-02-08

Adee, John

Liquid purification or separation

Structural installation

Closed circulating system

2104165, 210418, B01D 3502

Patent

active

043728499

ABSTRACT:
A compact hydraulic pumping and switching apparatus capable of pumping a hydraulic liquid in connection with an operating liquid supply tank, a clean liquid tank and a dirty liquid reservoir tank in three different modes. One mode fills the supply tank and filters the liquid. A second merely filters liquid from the supply tank. And the third drains the supply tank without filtering the liquid. The apparatus comprises a carrier coupling together, into a single unit, a motor, a pump, a filter and a switching device. The switching device has two spherical stop cocks therein, each with a passage comprising two perpendicular portions. The switching device is connected to the supply tank at two connections and to the clean liquid tank and to the dirty liquid reservoir tank at one connection respectively.

REFERENCES:
patent: 2454124 (1948-11-01), Biasch et al.
patent: 2895883 (1959-07-01), Hobson
patent: 3428089 (1969-02-01), Kachergis
patent: 3945208 (1976-03-01), O'Connor

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