Pumping apparatus and process characterized by gentle operation

Details Pumping apparatus and process characterized by gentle operation Pumping apparatus and process characterized by gentle operation

1975-02-03

1976-05-18

Croyle, Carlton R.

Rotary kinetic fluid motors or pumps

Method of operation

415 60, 415 90, 415DIG4, F03B 500, F04D 2922

Patent

active

039573893

ABSTRACT:
Pumps wherein smooth surfaced rotators cause propulsion of a delicate fluid without significant damage to the fluid. The pumps may be used as heart pumps, blood pumps, and pumps for all types of fluids in connection with the maintenance of life or biological functions in a human or animal subject in many in vivo, ex vivo, or in vitro applications, or for any other application requiring gentle handling. The pumps may be actuated by internal or external electric motors, and the rotators may be configured to converge mutually as an inverse function of distance from the axis of the rotators. The rotators may be connected together, by pins passing through the fluid passages, for mounting and driving as a unit, or may be mounted and driven independently to further eliminate the possibility of damage to the fluid by rotator-connection members.

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