Fluid flow controller

Details Fluid flow controller Fluid flow controller

1989-01-18

1990-07-03

Hepperle, Stephen M.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

137517, F16K 1724

Patent

active

049382594

ABSTRACT:
A flow control for controlling the rate of flow of a fluid through a flow passage over a range of varying line pressures resembles a Belleville washer and is molded from a thermoplastic elastomer having a hardness range from 40 Shore A to 50 Shore D. The control has a circumferential outer rim and a dome-shaped contour within the rim which provides an apex, a concave downstream surface and a convex upstream surface, with the fluid flow passage extending through its apex. This flow control does not require interaction with a specifically designed seat but can simply be mounted across the flow passage which it is to control by retaining its rim portion upstream from the flow passage to be controlled.

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patent: 4667700 (1987-05-01), Buzzi
patent: 4724870 (1988-02-01), Molbaek et al.

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