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VARYING QUANTITIES OF MOTOR POLES FOR NOISE REDUCTION
专利权人:
Rolls-Royce North American Technologies, Inc.;Rolls-Royce Corporation;Rolls-Royce plc
发明人:
ARMSTRONG, Michael James,BLACKWELDER, Mark Jon,EAMES, David John Howard,CHONG, Ellis Fui Hen
申请号:
EP20160173194
公开号:
EP3104519(A3)
申请日:
2016.06.06
申请国别(地区):
欧洲专利局
年份:
2017
代理人:
摘要:
An alternating current type electric propulsion system is described that includes an AC generator and a plurality of propulsors electrically coupled to the AC generator. A first propulsor from the plurality of propulsors includes a first motor that drives a first fan of the first propulsor at a first speed. A second propulsor from the plurality of propulsors comprises a second motor that drives a second fan of the second propulsor at a second speed that is different than the first speed.
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中国工程科技知识中心
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