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公开(公告)号：US11279477B2
公开(公告)日：2022-03-22
申请号：US16358268
申请日：2019-03-19
Applicant: Bell Textron Inc.
Inventor： Aaron Alexander Acee , Andrew Paul Haldeman
Abstract: An exemplary anti-torque system for a helicopter includes two or more electric fans rotatably mounted on a tail boom, the two or more electric fans rotatable about a longitudinal axis of the tail boom.
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