Flow control device

Details Flow control device Flow control device

1991-03-13

1992-02-04

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

25112905, 25112911, F16K 144, F16K 1102

Patent

active

050852485

ABSTRACT:
A flow control device having a single valve body fixed to an operating shaft which is reciprocated by a single stepping motor to control the flow rate of air flowing two by-pass passages. Two air outlet ports and one air inlet port are formed in an air dispensing housing. Interior space of the housing is divided into two by-pass passages by a first valve seat. The valve body fixed to the operating shaft comprises a first valve portion for controlling the flow rate of air in cooperation with an opening formed in the first valve seat and a second valve portion for controlling the flow rate of air in cooperation with an opening of a second valve seat provided in the other air outlet port, the first and second valve portions being formed contiguously with each other.

REFERENCES:
patent: 790962 (1905-05-01), Holzwarth
patent: 2542390 (1951-02-01), Brown
patent: 3385320 (1968-05-01), Fahie

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