Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Patent
1993-05-10
1994-12-13
Bertsch, Richard A.
Pumps
Expansible chamber type
Elongated flexible chamber wall progressively deformed
4174773, F04B 4308
Patent
active
053724860
ABSTRACT:
In a peristaltic pump having a pump tube with an elastically deformable wall, which tube is arranged in a pump housing and has externally accessible connection ends and is fitted into the pump housing with a region which is curved in part-circular configuration around a shaft of a rotor of the peristaltic pump and at a radial spacing from the shaft, the cross-section of which tube is variable by pressure rollers which project radially from the rotor and which press the pump tube at least in its curved region against a correspondingly curved fixed support, producing a reduction in the internal volume of the tube, the rotor (20) itself has mounting eyes or bores (52) for the roller spindle (54) of the pressure roller (58), which is mounted in the rotor interchangeably in an aligned pair of bores parallel to the shaft (18) of the rotor.
REFERENCES:
patent: 537049 (1895-04-01), Lewis
patent: 2123781 (1938-07-01), Huber
patent: 3384080 (1968-05-01), Muller
patent: 3386382 (1968-06-01), Schnette et al.
patent: 3565286 (1971-02-01), Latham et al.
patent: 4218197 (1980-08-01), Meyer et al
patent: 4518327 (1985-05-01), Hackman
Allweiler AG
Bertsch Richard A.
Kocharov M.
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