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    • 6. 发明申请
    • SLOTTED CAM CONTROL SYSTEM
    • 锁定凸轮控制系统
    • WO1997026185A1
    • 1997-07-24
    • PCT/US1996020790
    • 1996-12-30
    • MC DONNELL DOUGLAS CORPORATION
    • MC DONNELL DOUGLAS CORPORATIONNYHUS, Daniel, A.
    • B64C13/04
    • B64C13/32B64C27/82B64C2027/8245Y10T74/18992
    • The present invention provides a slotted cam control system for controlling pitch angles of fan blades (75) of a relatively low-pressure-ratio fan (27) within a fuselage of a helicopter (11). A force-receiving arm (65) of a slotted cam control system receives left and right forces from corresponding left and right foot rudder pedals. An end of the force-receiving arm (65) fits into a V-shaped cam. Next, the end of the force-receiving arm (65) passes the fulcrum of the V-shaped slot (69) and passes along a second predetermined distance of the V-shaped slot (69) in order to increase the pitch angles of the fan blades (75) as the opening of the direct jet thruster (33) corresponding to the depressed foot rudder pedal. A force-applying arm (71) is connected to the end of the force-receiving arm (65) that moves within the V-shaped slot (69), and this force-applying arm (71) applies to each of the fan blades (75) to change the pitch angles.
    • 本发明提供了一种用于控制直升机(11)的机身内的相对低压比风扇(27)的风扇叶片(75)的俯仰角的开槽凸轮控制系统。 狭槽凸轮控制系统的受力臂(65)从相应的左右脚舵踏板接收左右力。 受力臂(65)的一端装配在V形凸轮中。 接下来,力接收臂(65)的端部通过V形槽(69)的支点并且沿着V形槽(69)的第二预定距离通过,以便增加V形槽 风扇叶片(75)作为直接喷射推进器(33)的对应于踩下的舵脚踏板的开口。 施力臂(71)连接到在V形槽(69)内移动的受力臂(65)的端部,并且该施力臂(71)施加到每个风扇叶片 (75)来改变俯仰角。
    • 7. 发明公开
    • Torque limiter
    • 扭矩限制器
    • EP2947342A1
    • 2015-11-25
    • EP14275124.7
    • 2014-05-19
    • Goodrich Actuation Systems Ltd.
    • Davies, Stephen H
    • F16D7/00
    • F16H35/10B64C13/32F16D7/005F16D2041/0646
    • A torque limiter comprising: a ramp roller, said ramp roller comprising: an input ramp roller element arranged to be driven by an input torque and having a first ramp surface; an output ramp roller element arranged to drive an output torque shaft and having a second ramp surface; ramp roller balls disposed between the first ramp surface and the second ramp surface; wherein said output ramp roller element is axially and resiliently compressible and wherein an overtorque condition causes axial compression of said output ramp roller element. This arrangement removes all axially sliding friction surfaces from the torque limiter so that the torque bandwidth is reduced, allowing manufacturers to design structures more optimally.
    • 1。一种扭矩限制器,包括:斜坡辊,所述斜坡辊包括:输入斜坡辊元件,所述输入斜坡辊元件布置成由输入扭矩驱动并且具有第一斜坡表面; 输出斜坡辊元件,所述输出斜坡辊元件布置成驱动输出转矩轴并且具有第二斜坡表面; 斜坡辊球,所述斜坡辊球设置在所述第一斜坡表面与所述第二斜坡表面之间 其中所述输出斜坡辊元件轴向且可弹性压缩,并且其中过载状态导致所述输出斜坡辊元件的轴向压缩。 这种布置将所有轴向滑动摩擦表面从扭矩限制器上移除,从而减小扭矩带宽,使制造商能够更好地设计结构。