Cam valve for regulation of fluid flow through flexible tubing

Details Cam valve for regulation of fluid flow through flexible tubing Cam valve for regulation of fluid flow through flexible tubing

1989-06-06

1990-03-27

Fox, John

Valves and valve actuation

Tube compressors

Roller tube contacting element

251 4, F16K 704

Patent

active

049113992

ABSTRACT:
A flow control device for regulating fluid flow through a length of flexible tubing comprising (a) a body assembly comprising a lower surface with a groove for supporting a length of flexible tubing, opposing side walls extending in the vertical plane along the longitudinal axis from the lower surface defining a passage for the tubing, a guide groove in one of the side walls, a rack gear positioned in the guide groove; (b) a rotatable cam assembly comprising a cam with an irregular radius which, at one position of rotation, extends into the passage, a pinion gear extending axially from and having the same center of rotation as the cam, wherein the pinion gear extends into the guide groove and operatively engages the rack gear; and (c) a cover connected to the top of the body assembly for retaining the pinion gear in operative engagement with the rack gear.

REFERENCES:
patent: 3289999 (1966-12-01), Konzak
patent: 3533439 (1970-10-01), Hall
patent: 3802463 (1974-04-01), Sobney
patent: 4320889 (1982-03-01), Genese
patent: 4335866 (1982-06-01), Bujan

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