Pinch-type pressure- or flow-regulating valve

Details Pinch-type pressure- or flow-regulating valve Pinch-type pressure- or flow-regulating valve

1983-09-23

1984-11-27

Walton, George L.

Fluid handling

Systems

With selective motion for plural valve actuator

137595, 137863, 137870, 251 4, 251 6, F16K 706, F17D 301

Patent

active

044845995

ABSTRACT:
A pinch-type shut-off, pressure- or flow-regulating valve having a flexible tube extending through a valve body wherein the flexible tube is pinched off by the action of an eccentric cam attached to a motor. As the eccentric cam is rotated the flexible tube can be pinched off as it presses against the opposing wall inside the valve body. A number of positions of pinching off can be achieved and a microswitch can be available to locate the position of the eccentric cam.

REFERENCES:
patent: 2985192 (1961-05-01), Taylor et al.
patent: 3411534 (1968-11-01), Rose
patent: 3450152 (1969-06-01), Ouellette
patent: 3895649 (1975-07-01), Ellis
patent: 3918490 (1975-11-01), Goda
patent: 3991788 (1976-11-01), Kull
patent: 4061142 (1977-12-01), Tuttle
patent: 4230151 (1980-10-01), Jonsson
patent: 4282902 (1981-08-01), Haynes
patent: 4300552 (1981-11-01), Cannon

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