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Patent Searching and Data


Title:
ROTOR AND METHOD FOR MANUFACTURING A ROTOR OF AN ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/000617
Kind Code:
A3
Abstract:
The invention relates to methods for manufacturing a rotor (14) for an electric machine (13), having the following method steps: a) manufacturing a magnetic element (8) by bonding permanent magnets (1, 1', 1'', 1''') by means of a first adhesive, each permanent magnet (1, 1', 1'', 1''') having a side with a magnetic North pole (N) and a side with a magnetic South pole (S), the permanent magnets (1, 1', 1'', 1''') being arranged during bonding such that the sides of the magnetic North poles (N) or the sides of the magnetic South poles (S) form a common underside (3, 3', 3'', 3''') of the magnetic elements (8), the first adhesive having a hard consistency in the cured state; and b) bonding the underside of the magnetic element (8) to a yoke (12) by means of a second adhesive, the second adhesive being soft and elastic in the cured state. Furthermore, the invention relates to an associated rotor. The invention permits rational manufacture of a rotor having a permanent magnet for a machine, the permanent magnets being integrally fixed to the yoke of the rotor with high reliability.

Inventors:
BAYER HEINER (DE)
ERD LUDWIG (DE)
HARTMANN ULRICH (DE)
METZNER TORSTEN (DE)
MOEHLE AXEL (DE)
Application Number:
PCT/EP2010/056182
Publication Date:
November 10, 2011
Filing Date:
May 06, 2010
Export Citation:
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Assignee:
SIEMENS AG (DE)
BAYER HEINER (DE)
ERD LUDWIG (DE)
HARTMANN ULRICH (DE)
METZNER TORSTEN (DE)
MOEHLE AXEL (DE)
International Classes:
H02K1/27; H01F7/02; H02K15/03
Domestic Patent References:
WO2002103882A12002-12-27
Foreign References:
DE102005032721A12007-01-18
EP1427088A22004-06-09
Attorney, Agent or Firm:
SIEMENS AKTIENGESELLSCHAFT (München, DE)
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