Liquid purification or separation – Combined
Patent
1995-11-22
1998-06-16
Cintins, Ivars
Liquid purification or separation
Combined
174 14R, 210282, B01D 1500
Patent
active
057664641
ABSTRACT:
A fluid filtration system for use with an apparatus, such as an electrical apparatus, having a casing within a working fluid, such as oil, is contained utilizes a filter-supporting flow conduit having an entrance end and an exit end and a filter medium supported within conduit. A pump is also associated with the filter-supporting means for pumping working fluid through the flow conduit between the entrance and the exit ends thereof so that contaminants are filtered from the fluid as it is pumped through the flow conduit. The flow conduit and the pump are adapted to be positioned in a submerged condition within the fluid of the apparatus, and a tension member is used to suspend the flow conduit in a substantially vertical orientation within the fluid so that the entrance end of the conduit is disposed adjacent the bottom of the apparatus casing. By filtering the fluid with the filtration system, the service life of the fluid is extended and the need for frequent servicing of the fluid is obviated.
REFERENCES:
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patent: 2405853 (1946-08-01), Rosch
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patent: 4419236 (1983-12-01), Hsu
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patent: 4472700 (1984-09-01), Gentzkow et al.
patent: 4756826 (1988-07-01), Horvath
patent: 4828691 (1989-05-01), Abbott et al.
Cintins Ivars
McKee Michael E.
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