Device for axially conveying fluids

US7467929B2 · kind B2 · utility

Assignee

• Berlin Heart GmbH · DE

Inventors

• Peter Nüsser · Kleinmachnow, DE
• Johannes Mueller · Berlin, DE
• Hans-Erhard Peters · Berlin, DE
• Joerg Mueller · Bonn, DE
• Werner Neumann · Owingen, DE
• Kurt Graichen · Berlin, DE
• Andreas Arndt · Dalbke, DE

Key dates

• Filing date: Feb 18, 2002
• Grant date: Dec 23, 2008
• Expiry date: Dec 30, 2023

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M60/148
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A device for axially conveying fluids, wherein the conveyor part thereof is entirely magnetically borne and the radial bearing thereof is provided with sufficient rigidity and efficiently dampened, whereby problems encountered when passing through critical speeds and the disadvantageous effects of hydrodynamic and mechanical imbalance of the rotor are avoided. The magnetic bearing is combined with a hydrodynamic bearing.