Pump means for pumping a mixture of coarse-grained material and

Details Pump means for pumping a mixture of coarse-grained material and Pump means for pumping a mixture of coarse-grained material and

1983-03-21

1985-02-19

Freeh, William L.

Pumps

Diverse pumps

Including rotary nonexpansible chamber type

417205, 417271, F04B 2312, F04B 2314, F04B 3504

Patent

active

045002614

ABSTRACT:
A pump for pumping a mixture of a liquid and a coarse-grained material comprises a motor-driven rotor (1) having a plurality of longitudinal cylinders (5, 6, 7, 8) having individual piston members (9), whereby these are driven back and forth by means of a pressure medium which is supplied to one end of the rotor. At the other end of the rotor, the cylinder openings, during rotation, pass a stationary inlet channel (21) and a stationary outlet channel (22) for the mass that is to be pumped. The rotor (1) is designed as a truncated cone, the cylinders being obliquely positioned with respect to the axis of rotation and having the greatest radial distance thereto at the cylinder ends which cooperate with the above-mentioned inlet and outlet channels.

REFERENCES:
patent: 3183845 (1965-05-01), Tyler
patent: 3369491 (1968-02-01), Hoffer
patent: 3641881 (1972-02-01), Hashemi
patent: 3657976 (1972-04-01), Kobayashi
patent: 3999895 (1976-12-01), Boyle
patent: 4174925 (1979-11-01), Pfenning

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