Peristalitic pump

Details Peristalitic pump Peristalitic pump

1993-05-10

1994-12-27

Bertsch, Richard A.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

4174773, F04B 4308

Patent

active

053759842

ABSTRACT:
In a peristaltic pump comprising a pump tube with elastically deformable wall, which pump tube is arranged in a pump housing at the bottom thereof and is fitted into the pump housing with a portion which is curved in a part-circular configuration around a shaft of a rotor within the wall of the peristaltic pump and at a radial spacing relative thereto, the cross-section of the pump tube being partially varied during the conveying operation by at least one member of the rotor which presses the pump tube in respect of cross-section against a support means, with a reduction in the internal volume, the rotor is formed dish-like from a rotor end portion and a rotor wall and the latter is directed towards the bottom of the pump housing, the shaft of the rotor being fitted directly to the end portion thereof.

REFERENCES:
patent: 3180272 (1965-04-01), Broadfoot
patent: 3402673 (1968-09-01), Ballentine et al.
patent: 4214855 (1980-07-01), Gerritsen
patent: 4540350 (1985-09-01), Streicher
patent: 5249938 (1993-10-01), Hall

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