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    Multiple speed motor drive system
    2.
    发明公开
    Multiple speed motor drive system 失效
    多varierende速度电机驱动系统。

    公开(公告)号：EP0070625A1

    公开(公告)日：1983-01-26

    申请号：EP82303252.9

    申请日：1982-06-22

    申请人： FORCE CONTROL INDUSTRIES, INC.

    发明人： Kelley, Reginald D.

    IPC分类号： F16D67/04

    CPC分类号： F16D67/04 ,  Y10T477/26

    摘要： An oil shear clutch-brake unit (16) includes a housing (22) rotatably supporting an input shaft (36) and an output shaft (38) in axial alignment, and the housing encloses a set of interfitting clutch plates (48) and discs (46) for coupling the input shaft to the output shaft and a set of interfitting brake plates (56) and discs (58) for braking the output shaft. A non-rotating piston (65) is also enclosed within the housing and is fluid actuated in both directions from a spring biased neutral position for either clamping the clutch plates and discs or clamping the brake plates and discs. A cooling and lubricating oil is circulated within the housing and between the plates and discs, and the pressure of the fluid for actuating the piston is adjustable for selecting the torque transmitted through the clutch and brake. The output shaft (38) of the clutch-brake unit (16) drives the shaft (13) of a high speed electric motor (12) and the input shaft (36) is coupled to the output shaft (32) of a slow speed motor-gear reducer unit (14) which mounts directly on the housing (22) of the clutch-brake unit.