Variable volume peristaltic pump

Details Variable volume peristaltic pump Variable volume peristaltic pump

1980-01-18

1981-09-08

Gluck, Richard E.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

F04B 4312, F04B 4508

Patent

active

042882052

ABSTRACT:
A peristaltic pump driven by a single speed power source has a fixed length of flexible wall tubing circumferentially positioned between the wall of the inner chamber and an adjustable band. The flexible band has one end fixed to the pump housing and the other to an adjusting screw. Turning the adjusting screw varies the effective length of the adjustable band and consequently the degree of contact with the flexible wall tubing. Increasing the effective length of the adjustable band flattens the tubing against the wall, thereby changing the volumetric capacity of the tubing and delivery rate of the pump. Decreasing the effective length of the adjustable band has the opposite effect.

REFERENCES:
patent: 3583838 (1971-06-01), Stanber
patent: 3591319 (1971-07-01), Shlisky
patent: 3609069 (1971-09-01), Martinelli et al.
patent: 3723030 (1973-03-01), Gelfand
patent: 3737251 (1973-06-01), Berman et al.
patent: 3990444 (1976-11-01), Vial

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