Level-compensating surface skimming device

Details Level-compensating surface skimming device Level-compensating surface skimming device

2011-02-15

2011-02-15

Menon, Krishnan S (Department: 1777)

Liquid purification or separation

With movable support

Float

C210S144000, C210S241000, C210S242300, C210S776000

Reexamination Certificate

active

07887700

ABSTRACT:
An apparatus for skimming the top surface of a pool of fluid with a constant flow rate regardless of level changes of the fluid. A storage tank and a suction port are positioned at opposite ends of a conduit that connects the tank and the port. The conduit pivots about a pivot point such that the storage tank elevation follows the fluid level, which allows the suction port to be positioned at the surface of the fluid. In various embodiments, the pivot for the conduit is attached to a pump resting on the bottom of the tank, is formed by a pair of floats, is a pivot mechanism attached to a wall penetration of a tank, or is a flexible hose that allows the conduit to move.

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