Title:
ELECTRICAL MACHINES AND ELECTRICAL MACHINE ROTORS
Document Type and Number:
WIPO Patent Application WO/2013/081703
Kind Code:
A3
Abstract:
Electrical machine rotors and electrical machines are disclosed. The electrical machine rotors may include a shaft, a pair of permanent magnets arranged to form a magnetic pole on the rotor, a pole iron, and a pair of opposed inter-pole irons. The pole iron may retain the pair of magnets against the inter-pole irons and relative to the shaft. The electrical machine rotors may be assembled into electrical machines that include the rotor and a stator that includes a stator iron and at least one coil. In some examples, the shaft may be hollow, nonmagnetic, fiber-reinforced, and/or fabricated at least partially from a composite material.
Inventors:
TREMELLING DARREN D (US)
Application Number:
PCT/US2012/054183
Publication Date:
April 17, 2014
Filing Date:
September 07, 2012
Export Citation:
Assignee:
ABB RESEARCH LTD (CH)
TREMELLING DARREN D (US)
TREMELLING DARREN D (US)
International Classes:
H02K1/27; F16C3/02; H02K1/28
Domestic Patent References:
| WO2006043170A2 | 2006-04-27 |
Foreign References:
| DE102009026288A1 | 2011-02-10 | |||
| US20060255679A1 | 2006-11-16 | |||
| US5928736A | 1999-07-27 | |||
| US4028573A | 1977-06-07 | |||
| DE102007006986B3 | 2008-06-19 | |||
| US3745389A | 1973-07-10 | |||
| US20090251014A1 | 2009-10-08 |
Attorney, Agent or Firm:
HUDNUT, Steven, W. (940 Main Campus Drive Suite 200,Ip/legal Departmen, Raleigh NC, US)
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