Flowrate control device

Details Flowrate control device Flowrate control device

1976-03-23

1977-05-17

Cherry, Johnny D.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

138 46, 23953313, 239542, B05B 130

Patent

active

040235955

ABSTRACT:
A flowrate control device comprising a housing, a housing inlet for coupling to a liquid flow supply, a housing outlet, a first housing wall portion defining a throughflow path communicating at the ends thereof respectively with the inlet and the outlet, a second housing wall portion defining a chamber communicating with the inlet and being otherwise closed, a flexible wall portion common to the first and second wall portions and serving as a separating partition between the chamber and the flowpath at least the first housing wall portion being formed with at least one tapering protrusion extending into the flowpath so as to form a construction therein and being so shaped that upon maximum displacement of the flexible wall portion into the flowpath a permanent residual flowpath remains open.

REFERENCES:
patent: 2764183 (1956-09-01), Gollehon
patent: 3276480 (1966-10-01), Kennedy
patent: 3791764 (1974-02-01), Summer
patent: 3837363 (1974-09-01), Meronek

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