US Patent 9397543 Electrical machine
Patent 9397543 was granted and assigned to Rolls-Royce on July, 2016 by the United States Patent and Trademark Office.
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Patent 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.
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Patent Inventor Names
Ellis F H Chong0
Stephen J. Mountain0
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US Patent 09397543 Electrical machine US Patent 9397543 Electrical machine
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Patent Number
093975430
Patent Number
93975430
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Current Assignee
Patent Jurisdiction
Patent Number
093975430
Date of Patent
July 19, 2016
0Patent Application Number
139805890
Date Filed
January 26, 2012
0Official Website
Patent Primary Examiner
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US Patent 09397543 Electrical machine
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
09397543
Date of patent
July 19, 2016
Patent application number
13980589
Date Filed
January 26, 2012
Patent primary examiner
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