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Title:
ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2012/150115
Kind Code:
A3
Abstract:
The invention relates to an electric motor (1), comprising: a stator arrangement (2) having an even number of stator poles arranged in the circumferential direction, which comprise permanent magnet stator poles (P) provided with one or more permanent magnets as well as consequent poles (4) in an arrangement of consequent poles; - a rotor (6) having an armature, which is arranged relative to the stator poles (P) in such a way that a surface directed to the stator poles (P) forms permanent magnet air gaps (7) with the permanent magnet stator poles and consequent pole air gaps (8) with the consequent poles (4), the width of the consequent pole air gaps (8) being greater than the width of the permanent magnet air gaps (7).

Inventors:
ROOS, Gerald (Buehlackerstr. 20a, Achern, 77855, DE)
Application Number:
EP2012/056795
Publication Date:
October 03, 2013
Filing Date:
April 13, 2012
Export Citation:
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Assignee:
ROBERT BOSCH GMBH (Postfach 30 02 20, Stuttgart, 70442, DE)
ROOS, Gerald (Buehlackerstr. 20a, Achern, 77855, DE)
International Classes:
H02K23/04; H02K23/40
Foreign References:
EP0339584A11989-11-02
US20100060096A12010-03-11
JPH02223346A1990-09-05
EP0096868A11983-12-28
DE19845370A12000-04-06
Attorney, Agent or Firm:
ROBERT BOSCH GMBH (Postfach 30 02 20, Stuttgart, 70442, DE)
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