Underwater cleaning apparatus

Details Underwater cleaning apparatus Underwater cleaning apparatus

1993-10-25

1994-08-30

Fox, John C.

Fluid handling

Systems

With flow control means for branched passages

F16K 11052

Patent

active

053418476

ABSTRACT:
Underwater cleaning apparatus of a general type well-known includes a chamber having an inlet on one side thereof and a pair of outlets on the other side communicating with a pair of passages adapted for connection to a suction hose; a pair of valve seats for the outlets; a valve closure arrangement for the valve seats; a valve closure arrangement including a body, preferably of cylindrical segmental shape, mounted in the chamber to pivot about an axis perpendicular to the plane through the axis of the valve seats and including a closure for each seat with the closures disposed relative to each other and parallel to the pivotable axis such that the closures may close the valve seats alternately on oscillation of the valve body about its axis; and a curved surface connecting the closures with the surface being concavely profiled at least the areas adjacent the closures.

REFERENCES:
patent: 4023227 (1977-05-01), Chauvier
patent: 4351077 (1982-09-01), Hofmann
patent: 4401301 (1983-08-01), Hayshar
patent: 4530125 (1985-07-01), Hofmann
patent: 4907619 (1990-03-01), Paulsey

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