Rotor bearing system

US12005248B2 · kind B2 · utility

Assignee

• KARDION GMBH · DE

Inventors

• Andreas Vogt · Eitorf, DE
• Ingo Stotz · Ditzingen, DE
• Johannes Bette · Leonberg, DE
• Armin Schuelke · Schwieberdingen, DE
• Xiang Li · Hangzhou City, CN
• Uwe Vollmer · Sindelfingen, DE
• David Minzenmay · Stuttgart, DE

Key dates

• Filing date: May 16, 2019
• Grant date: Jun 11, 2024
• Expiry date: Jul 19, 2041

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16C2316/18
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The invention relates to a rotor bearing system (1). Said system comprises a housing (80) in which a first permanent magnet (30) is mounted such that it can rotate about a first axis (105). A rotor (70) for conveying a liquid comprises a second hollow-cylindrical permanent magnet (40), which is mounted such that it can rotate about a second axis. The first permanent magnet (30) and the second permanent magnet (40) overlap axially at least partially, wherein the first permanent magnet (30) is disposed offset relative to the second permanent magnet (40). In the axial overlap region (160) of the first permanent magnet (30) and the second permanent magnet (40), the housing (80) is positioned between the two permanent magnets (30, 40). A first bearing (20) is configured for the relative axial positioning of the rotor (70) and the housing (80) with respect to one another and for receiving an axial force resulting from the arrangement of the first permanent magnet (30) and the second permanent magnet (40), and a second bearing (10) and a third bearing (90) are configured for receiving radial forces and for positioning the axis of rotation of the second permanent magnet (40).