Liquid purification or separation – Flow – fluid pressure or material level – responsive – Check valve
Patent
1996-05-02
1998-06-16
Savage, Matthew O.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Check valve
210168, 210181, 210184, 210DIG17, 123196A, 137854, B01D 3500
Patent
active
057664510
ABSTRACT:
An anti reversionary valve assembly with a replaceable anti reversionary valve element for prevention of back flow of lubricant in a machine using fluid pumped through passages for lubrication. The anti reversionary sealing action prevents the drainage of lubricant from passages supplying bearings and high friction areas with lubricant avoiding damages to machinery from dry starts.
REFERENCES:
patent: 2888141 (1959-05-01), Coates et al.
patent: 3224585 (1965-12-01), Scavuzzo et al.
patent: 3463317 (1969-08-01), Prier
patent: 4700670 (1987-10-01), Schade
patent: 5178753 (1993-01-01), Trabold
patent: 5536626 (1996-07-01), Baumann
patent: 5548893 (1996-08-01), Koelfgen
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