AIRCRAFT DRIVE SYSTEM
    9.
    发明公开

    公开(公告)号:EP3712063A1

    公开(公告)日:2020-09-23

    申请号:EP20169878.4

    申请日:2017-09-22

    摘要: The present invention includes an aircraft drive system (200) comprising a main rotor gearbox (214) comprising a first and a second input; a first drive system comprising a first engine reduction gearbox (216a) connecting a first engine to the first input of the main rotor gearbox (214) at a reduced shaft speed; and a second drive system independent from and redundant with the first drive system, the second drive system comprising a second engine reduction gearbox (216b) connecting a second engine to the second input of the main rotor gearbox (214) at the reduced shaft speed.

    DAMPER
    10.
    发明公开
    DAMPER 审中-公开

    公开(公告)号:EP3705744A1

    公开(公告)日:2020-09-09

    申请号:EP19180627.2

    申请日:2019-06-17

    IPC分类号: F16F7/14 F16F7/116

    摘要: The present invention includes a damper assembly (306), method and kit to provide dampening to an airframe comprising: a mass (310) to dampen the vibration of the airframe; one or more wire rope isolators (312a, 312b) having a first and a second portion, wherein the mass (310) is attached to the one or more wire rope isolators (312a, 312b) and the mass (310) is isolated from the airframe by the one or more wire rope isolators (312a, 312b); and a first fastener (314a) and a second fastener (316a), wherein the first fasteners (314a) attaches to the first portion of the wire rope isolator (312a) to the mass (310), and the second fastener (316a) attaches the second portion of the wire rope isolator (312a) to the airframe to dampen vibration of the airframe.