Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Fluid pressure responsive
Patent
1986-01-14
1988-01-05
Sadowski, David
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Fluid pressure responsive
210132, 210134, 210168, 210186, 210247, 210339, 210445, B01D 2710
Patent
active
047174722
ABSTRACT:
A multi stage oil filter assembly is disclosed characterized by a housing including base and cover members and at least one intermediate member arranged between the base and cover members. A first planar filter member is arranged between the cover and intermediate members and a second planar filter member is arranged between the intermediate and base members. The planar faces of the base and cover members adjacent the intermediate member each contain a plurality of concentrically spaced circular grooves and a radial conduit affording communication between the grooves, whereby fluid is distributed across the planar faces of the base and cover members adjacent the planar filter members. The intermediate member contains a plurality of segmented circular concentrically spaced slots corresponding with the grooves of the base and cover member planar faces. The housing includes inlet and outlet openings, whereby when fluid enters the housing, it is distributed across the planar face of one of the base and cover members, passes through the first filter member, the slots of the intermediate member, and through the second filter member and exits the housing through the other of the base and cover members. The housing includes a plurality of cooling fins on its outer surface to cool the fluid as it passes through the filter assembly.
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patent: 4246109 (1981-01-01), Manders
patent: 4446017 (1984-05-01), Oberg
Oberg Enterprises, Inc.
Sadowski David
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