Rotary pump having a bearing which dissipates heat

Details Rotary pump having a bearing which dissipates heat Rotary pump having a bearing which dissipates heat

1997-05-02

2000-07-25

Thorpe, Timothy S.

Pumps

Motor driven

Electric or magnetic motor

41742312, 417356, 415176, 415178, 415900, F04B 1700

Patent

active

060930012

ABSTRACT:
A rotary pump having a housing defining a flow path, a stator attached to the housing, a rotor which contacts the stator and rotates thereabout, a motor for rotating the rotor and semiconductor-based electronic components which draws the heat created by the frictional contact between the stator and rotor away from blood flowing through the housing. The rotary pump can be a centrifugal pump having a housing with a base plate, a rotor with rotor blades and a stator wherein the base plate and the rotor are shaped and proportioned such that blood is prevented from stagnating/collecting between the rotor blades and base plate.

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patent: 5618167 (1997-04-01), Hirakawa et al.
patent: 5700134 (1997-12-01), Huntley
patent: 5707218 (1998-01-01), Maher et al.
patent: 5746575 (1998-05-01), Westphal et al.

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