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Patent Searching and Data


Title:
AN ELECTRICAL MACHINE
Document Type and Number:
WIPO Patent Application WO/2012/110286
Kind Code:
A3
Abstract:
An electromagnetic machine, comprising: a first stator winding having a first number of pole pairs; a second stator winding having a second number of pole pairs which is different to the first number of pole pairs; and, a modulator having a plurality of pole pieces arranged relative to the first and second stator windings so as to modulate the electromagnetic fields produced by the first and second stator windings, thereby matching harmonic spectra of the first and second stator windings.

Inventors:
MOUNTAIN STEPHEN (GB)
CHONG ELLIS (GB)
Application Number:
PCT/EP2012/051206
Publication Date:
March 28, 2013
Filing Date:
January 26, 2012
Export Citation:
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Assignee:
ROLLS ROYCE PLC (GB)
MOUNTAIN STEPHEN (GB)
CHONG ELLIS (GB)
International Classes:
H02K16/04; H02K49/10
Foreign References:
GB2468888A2010-09-29
GB1376539A1974-12-04
EP2161821A12010-03-10
Attorney, Agent or Firm:
HARTLEY, Andrew et al. (PO Box 31Derby, Derbyshire DE24 8BJ, GB)
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