Peristaltic pump with roller pinch valve control

Details Peristaltic pump with roller pinch valve control Peristaltic pump with roller pinch valve control

2006-11-28

2006-11-28

Stashick, Anthony D. (Department: 3746)

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

Reexamination Certificate

active

07140850

ABSTRACT:
A pump having a rotary portion which compels the movement of a fluid by peristaltic compression of resilient tubing containing the fluid includes a roller assembly having at least one roller mounted in the rotary portion of the pump for contact with the resilient tubing. The roller has a range of rotation in contact with the tubing during pump operation. A roller control mechanism is adapted and constructed to stop the roller at a single, predetermined location on the tubing when the pump operation is stopped.

REFERENCES:
patent: 3799702 (1974-03-01), Weishaar
patent: 4600366 (1986-07-01), Stenner
patent: 5133440 (1992-07-01), Lang et al.

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