ROTARY PUMP WITH REDUCED FLUID STRESS

Title:

ROTARY PUMP WITH REDUCED FLUID STRESS

Document Type and Number:

WIPO Patent Application WO2004104414

Kind Code:

A3

Abstract:

A novel fluid pump comprising a stator body defining a pumping chamber and an impeller operationally disposed within the chamber. The impeller has opposed ends with a central axis defining an axis of rotation, with magnetic driven means disposed on the impeller and positioned outwardly of the impeller axis between the opposed ends. Passive magnetic bearing sets are positioned along the impeller body with each bearing set being similarly polarized so as to be in mutually attracting or mutually repelling relationship.

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Inventors:

IZRAELEV VALENTIN (US)

Application Number:

PCT/US2004/014318

Publication Date:

October 20, 2005

Filing Date:

May 07, 2004

Export Citation:

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Assignee:

ADVANCED BIONICS INC (US)
IZRAELEV VALENTIN (US)

International Classes:

A61M1/10; F04D13/06; F04D29/04; F04D29/048; F16C39/06; (IPC1-7): F04B17/00; F04B35/04

Foreign References:

US5470208A	1995-11-28
US6375607B1	2002-04-23
US5211546A	1993-05-18
US4382199A	1983-05-03
US6244835B1	2001-06-12
US6861778B2	2005-03-01

Other References: