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公开(公告)号：CA1335444C
公开(公告)日：1995-05-02
申请号：CA607707
申请日：1989-08-08
Applicant: UNITED TECHNOLOGIES CORP
Inventor： VIOLETTE JOHN A , AUYEUNG SEAN , NAGLE DAVID P
Abstract: A propeller or fan blade is rotatably mounted to a blade retention pitch member by means of a pin radially outside of a spinner. By mounting the propeller blade for rotation about the axis of the pin, the blade response to a vibratory excitation in a first mode of vibration is modified such that the twisting motion of the blade is minimized. High speed stability of the blade is enhanced thereby. Moreover a damaged blade may be easily replaced.
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