Liquid purification or separation – Serially connected distinct treating with or without storage... – With pump – gas pressure or vacuum source
Patent
1990-02-12
1991-07-09
Fisher, Richard V.
Liquid purification or separation
Serially connected distinct treating with or without storage...
With pump, gas pressure or vacuum source
2104161, 417360, 417361, F04B 1700, F04B 3500
Patent
active
050303465
ABSTRACT:
The pump includes a discharge head having a pair of axially spaced end walls defining in part an annular chamber therebetween. The tank includes a housing in communication with a liquid outlet conduit. By seating the discharge head in the tank housing, an annular pump discharge chamber is defined with the housing and between the end walls of the pump. Clean coolant from the suction side of a filter disposed in the tank flows through the pump inlet and discharge head into the tank outlet conduit for delivery to machine tools. The pump is driven through a releasable coupling by an electric motor disposed above the tank mounted for movement between operative and out-of-the-way positions whereby the pump may be readily removed from and reinstalled in the tank without disconnection or connection of pipe fittings within the tank. Alternatively, a submersible electric motor may be provided. In a further form, an electrically driven submersible pump connects the discharge outlet to the tank outlet conduit by a remotely controlled flexible coupling while making a slip-fit connection on the suction side.
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Drodge Joseph
Fisher Richard V.
Henry Filters, Inc.
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