Variable fluid flow restricting throttle

Details Variable fluid flow restricting throttle Variable fluid flow restricting throttle

1983-01-25

1985-11-12

Schwadron, Martin P.

Fluid handling

Systems

Multi-way valve unit

13762511, 137271, 137269, 251206, 138 43, F16K 1107

Patent

active

045521786

ABSTRACT:
A throttling device for restricting the flow of flushing fluid from a source of supply through a mechanical seal in which the throttle includes two members which are rotatably connected in fluid-tight relationship with respect to one another and which have a plurality of fluid flow openings there through which are symmetrically located about a common axis and which are selectively aligned to create varying fluid flow paths of varying diameters so that the flushing fluid is selectively channeled therethrough to an eddy current chamber within one of the members which serves to further restrict the flow of fluid with respect to the seal.

REFERENCES:
patent: 2980032 (1961-04-01), Schneider
patent: 3323550 (1967-06-01), Lee
patent: 3780767 (1973-12-01), Borg et al.
patent: 4148460 (1970-04-01), Kinsler
patent: 4410001 (1983-10-01), Goguen

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