Precision valve assembly

Details Precision valve assembly Precision valve assembly

1982-09-30

1984-10-16

Rosenthal, Arnold

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

251254, 251256, 251252, 604246, F16K 31524, F16K 716

Patent

active

044770545

ABSTRACT:
A precision valve assembly for controlling flow of fluids to a patient having a valve element mounted on a diaphragm. At least one ball positioned in a spiral track, when moved toward the center by relative rotation of the spiral track and an opposed longitudinal track, brings a valve and valve seat together to restrict fluid flow therethrough.

REFERENCES:
patent: 2087356 (1937-07-01), Parker
patent: 3278155 (1966-10-01), Jehn
patent: 3819148 (1974-06-01), Cole et al.

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