Patent Number: 7,786,638

Title: Electric machine having a hybrid bearing

Abstract: An electric machine having a hybrid bearing for the purpose of supporting a rotor with respect to a stator, the hybrid bearing consisting of a radial bearing, taking the form of a fluid dynamic bearing, and an axial bearing that is made up of magnetic elements, wherein the magnetic elements comprise at least one permanent magnet and one flux guide element that are disposed so as to be located opposite each other in a radial direction.

Inventors: Pulnikov; Andrey (Villingen-Schwenningen, DE), Popov; Vladimir V. (Villingen-Schwenningen, DE), Ross; Igor (Freiburg, DE)

Assignee: Mineba Co., Ltd

International Classification: H02K 7/09 (20060101)

Expiration Date: 8/31/12018