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    • 32. 发明授权
    • Freewheel devices
    • 飞轮装置
    • US4441384A
    • 1984-04-10
    • US164905
    • 1980-07-01
    • Kenneth WatsonRichard G. BuswellJames E. Saunders
    • Kenneth WatsonRichard G. BuswellJames E. Saunders
    • F16D41/00B64C27/12B64C27/14B64D35/00B64D41/00F16H3/10F16H37/06
    • F16H3/10B64C27/12B64D41/00Y10T74/19084Y10T74/19093
    • A freewheel device for connecting a power input to a selected one of a plurality of outputs so as to transmit rotary motion in one direction of rotation and to over-run when the speed of the selected one of the outputs exceeds that of the input, includes a neutral condition in which the input is rotationally disengaged from any of the outputs. In a described embodiment, the freewheel device comprises a plurality of rollers retained circumferentially adjacent one end of an axially movable shaft in operative association with a plurality of wedge-shaped portions formed on the shaft, axial movement of the shaft serving to engage the rollers between the wedge-shaped portions and, selectively axially spaced-apart internal, cylindrical surfaces formed on each of the outputs and on a rotatable support.The freewheel device finds particular application in the transmission system of multi-engined helicopters.
    • 一种自由轮装置,用于将电力输入连接到多个输出中的所选择的一个输出,以便在所选输出的一个输出的速度超过输入的速度时,在一个旋转方向上传递旋转运动并且超程,包括: 其中输入与任何输出旋转地分离的中性条件。 在所描述的实施例中,自由轮装置包括多个保持在轴向可移动轴的一端周向相邻的多个辊,该多个辊与形成在轴上的多个楔形部分可操作地相关联,该轴用于接合辊之间的轴线 楔形部分和形成在每个输出上以及可旋转支撑件上的选择性轴向间隔开的内部圆柱形表面。 飞轮装置在多引擎直升机的传动系统中具体应用。
    • 33. 发明授权
    • Countershaft gear transmission
    • 中间轴齿轮传动
    • US4311062A
    • 1982-01-19
    • US45067
    • 1979-06-04
    • Hideo HamadaMasaaki Suga
    • Hideo HamadaMasaaki Suga
    • F16H3/091F16H3/10F16H61/02B60K41/06F16D47/04
    • F16H3/0915F16H3/10F16H2061/0407Y10T477/69335Y10T74/19242Y10T74/19274Y10T74/19391Y10T74/194Y10T74/19405Y10T74/19433
    • A countershaft gear transmission is disclosed wherein a plurality of main gears including a first main gear and a second main gear rotatably mounted to a main or output shaft, a countershaft drivingly connected to an input shaft has counter gears in constant engagement with the plurality of main gears and wherein when a low gear ratio is established the first main gear transfers power from the countershaft to the main shaft and when a high gear ratio is established the second main gear transfers power. The first main gear is formed on an outer race of a one-way clutch whose inner race is free to rotate on the main shaft. A synchronizer is coupled with the main shaft for coupling the inner race of the one-way clutch with the main shaft in all of the forward gear ratios. A disc clutch is coupled with the main shaft for coupling said second main gear with said main shaft in the high gear ratio.
    • 公开了一种中间轴齿轮传动装置,其中包括可旋转地安装在主输出轴上的第一主齿轮和第二主齿轮的多个主齿轮,驱动地连接到输入轴的中间轴具有与多个主体恒定啮合的副齿轮 齿轮,并且其中当建立低速比时,第一主齿轮将功率从中间轴传递到主轴,并且当建立高齿轮比时,第二主齿轮传递动力。 第一主齿轮形成在内圈在主轴上自由旋转的单向离合器的外圈上。 同步器与主轴联接,用于将单向离合器的内圈与主轴以所有前进档的速比联接。 盘式离合器与主轴联接,用于以高齿轮比将所述第二主齿轮与所述主轴联接。