Peristaltically operating roller pump and pump rotor therefor

Details Peristaltically operating roller pump and pump rotor therefor Peristaltically operating roller pump and pump rotor therefor

1984-07-24

1986-01-14

Gluck, Richard E.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

F04B 4312, F04B 4508

Patent

active

045643423

ABSTRACT:
A peristaltically operating roller pump, in particular a hose pump for medical technology, comprises a pump bed (25) whose bearing wall (28) in the exit region (31) has a curvature which is in the same sense as the circular path (33a) of a roller (33) mounted on a pump rotor (1) and which has a radius of curvature which is constant with respect to the circular path (33a) or gradually increases in the direction of rotation of the roller (33). The pump rotor (1) comprises a gear connection so that a constrained radial movement of a roller is converted to a corresponding follow-up movement of the other rollers or roller. By this combination of pump bed and pump rotor pressure peaks and fluctuations of the flow rate are effectively prevented.

REFERENCES:
patent: 2909125 (1959-10-01), Daniels

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