Gas flow control valve

Details Gas flow control valve Gas flow control valve

1985-07-19

1987-02-17

Chambers, A. Michael

Fluid handling

Processes

Cleaning, repairing, or assembling

13761411, 251207, 251208, 251297, 291571R, F16K 5100

Patent

active

046432159

ABSTRACT:
A compact gas flow control valve has a valve body having an inlet for receiving gas pressure, to provide gas at a substantially constant delivery pressure to be delivered by the gas flow control valve, and an outlet for delivery of the gas. Flow rate of the delivered gas is controlled by a rotor. A flow control plate covering the rotor has a plurality of orifices produced by one of various processes including mechanical drilling, laser drilling, piercing, punching, and selective etching. A selector mechanism orients the rotor to permit flow only through a selected one of said orifices at such delivery pressure for delivery by the outlet. The etched orifices define a preselected schedule of different flow rates determined by the diameter of the respective orifices.

REFERENCES:
patent: 974040 (1910-10-01), Donley et al.
patent: 1611940 (1926-12-01), Ohmer
patent: 2744540 (1956-05-01), Erle
patent: 4286957 (1981-09-01), Le Naour-Sene
patent: 4328832 (1982-05-01), Inada et al.

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