Peristaltic roller pump

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed

Patent

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Details

F04B 4312

Patent

active

045682550

ABSTRACT:
The Specification discloses an improved peristaltic Roller Pump for pumping fluids through a flexible tubing. First and second surge release radii are formed on a semicylindrical reaction wall to minimize back surge or fluctuations in pump line pressure as the pump rollers engage and disengage the reaction wall. Improved sloped or angles sweep vanes are provided in front of each roller for collecting the tubing and directing it through a discharge throat into the path of the oncoming roller thereby minimize jamming, kinking or other entanglement of small diameter tubing when used in a roller pump. A novel and inexpensive construction arrangement provides for quick simple and precise adjustment of both rollers simultaneously to enable the operator to quickly adjust the pump, or to disassemble the pump for cleaning or sterilization. The pump utilizes a pair of reciprocating pump arms which are actuated by a single cam means to provide for a simultaneous and identical adjustment of each of the rollers with respect to the pump wall.

REFERENCES:
patent: 2804023 (1957-08-01), Lee
patent: 2909125 (1959-10-01), Daniels
patent: 3787148 (1974-01-01), Kopf
patent: 3885894 (1975-05-01), Sikes
patent: 4095923 (1978-06-01), Cullis
patent: 4363609 (1982-12-01), Cosentino
patent: 4487558 (1984-12-01), Troutner

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