Liquid purification or separation – Structural installation – Closed circulating system
Patent
1990-08-30
1992-08-18
Silverman, Stanley S.
Liquid purification or separation
Structural installation
Closed circulating system
210171, 210172, 210248, 210440, 210443, 210475, 210DIG17, B01D 35027
Patent
active
051396580
ABSTRACT:
A fluid filter mount is affixed to the top closure wall of a fluid reservoir, such as for a hydraulic power unit, wherein the housing for the filter mounting is positioned below the top closure of the reservoir with the fluid inlet and fluid outlets also being provided in the housing below the top closure of the reservoir. The filter mount housing has an upwardly extending portion which extends into an opening in the top closure of the reservoir for exposure thereabove and is adapted to receive a canister type fluid filter thereon in sealed engagement with the filter in an upright position such that the fluid inlet and outlet are registered in communication with the filter for flow-through filtering. An upwardly open annular channel is provided on this filter mount such that it is positioned radially outward from the area wherein the filter canister is in sealed engagement with the filter mount and this annular channel is provided with at least one vertical through opening for gravitational flow of hydraulic fluid which will flow into the channel from a filter canister as it is being removed for exchange, and the fluid is permitted to thereby free flow back into the hydraulic fluid reservoir preventing any messy oil spills onto the hydraulic power unit and additionally providing a flush mount attractive mounting of the filter canister on top of the reservoir.
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Fluidraulics, Inc.
Popovics Robert James
Silverman Stanley S.
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