Flow control device

Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type

Patent

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Details

137512, 13751215, 137854, F16K 1514

Patent

active

041322410

ABSTRACT:
A flow control device is provided for delivering a fluid flow in one direction only while providing for venting of a backflow of fluid in an opposite direction wherein a plurality of self-contained check valve units are slideably received in an elongated housing with one of the check valve units additionally functioning to control the venting of the back flow through an opening formed in the housing wall.

REFERENCES:
patent: 2610859 (1952-09-01), Wilcox et al.
patent: 2953153 (1960-09-01), Gaul
patent: 3037522 (1962-06-01), Millan
patent: 3606904 (1971-09-01), Taylor
patent: 3967635 (1976-07-01), Sealfon
patent: 4013088 (1977-03-01), Gocke et al.

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