Method and apparatus for metering fluids

Details Method and apparatus for metering fluids Method and apparatus for metering fluids

1975-08-01

1977-07-12

Schwadron, Martin P.

Fluid handling

Processes

24134R, 137382, 251 9, F16K 706

Patent

active

040347737

ABSTRACT:
A clamp and related method provides for a stable fluid flow rate through a flexible tubing. The clamp comprises a body having an anvil and a tube-constricting cam that cooperates with the anvil to pinch together diametrically opposed sections of the tubing to provide a reduced flow passageway. The cross-sectional area of this passageway, and hence the fluid flow rate, is varied by rotating the cam to change the transverse extent of the pinched off portions. The reduced flow passageway is constrained at each adjustment of the clap to prevent variations in flow rate due to displacement of the material of the tubing wall.

REFERENCES:
patent: 3102710 (1963-09-01), Dresden
patent: 3215394 (1965-11-01), Sherman
patent: 3685787 (1972-08-01), Adelberg
patent: 3813077 (1974-05-01), Kolic
patent: 3893468 (1975-07-01), McPhee

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