Self-flushing fluid apparatus particularly useful in pulsator de

Details Self-flushing fluid apparatus particularly useful in pulsator de Self-flushing fluid apparatus particularly useful in pulsator de

1989-09-25

1990-08-21

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

137238, 13762414, F16K 5100

Patent

active

049497472

ABSTRACT:
A self-flushing fluid apparatus includes a flow-control device between the housing inlet port and an inlet fitting connected to it, which device has two relatively movable flow-control members controlling the flow of the fluid into the housing. The flow control device includes two assemblies each including one of the flow-control members and a spring between the two assemblies and effective: (a) in the presence of pressurized fluid at the inlet fitting to move the two flow-control members to an operative position with respect to each other to control the flow of the fluid from the inlet fitting into the housing; and (b) in the absence of pressurized fluid at the inlet fitting to move the two flow-control members to an inoperative position away from each other, and thereby to produce a self-flushing of the flow-control device by the pressurized fluid in the housing.

REFERENCES:
patent: 3477613 (1969-11-01), Mangel
patent: 4244526 (1981-01-01), Arth
patent: 4704947 (1987-11-01), Schneider
patent: 4781217 (1988-11-01), Rosenberg

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