VARYING QUANTITIES OF MOTOR POLES FOR NOISE REDUCTION
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United States of America
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Issued Date -
Feb 13, 2020
app pub date -
Oct 11, 2019
filing date -
Oct 11, 2019
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Abstract
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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