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    • 65. 发明授权
    • Gear-shift mechanism for power transmission units
    • 动力传动装置的换挡机构
    • US4476739A
    • 1984-10-16
    • US412280
    • 1982-08-27
    • Hajime AraiShozi HagaTadashi Nozaki
    • Hajime AraiShozi HagaTadashi Nozaki
    • F16H61/16F16H59/04F16H61/34F16H63/00F16H63/20F16H63/26F16H63/30F16H63/32F16H63/38G05G9/12G05G5/10
    • F16H63/20F16H63/26F16H59/041F16H63/30F16H63/302Y10T74/20116
    • A gear-shift mechanism for a power transmission unit includes a fork shaft slidably supported from a housing assembly to be selectively shifted from its neutral position to forward and reverse positions, a detent mechanism for selectively retaining the fork shaft in its neutral and shifted positions, a shift head member slidable on the fork shaft, a one-way engagement mechanism for effecting engagement of the shift head member with the fork shaft in axial movement of the fork shaft to and away from its reverse position, and a shift arm member pivoted to the inner wall structure of the housing assembly and linked with the shift head member to retain an idler gear in its neutral position and to engage the same with driving and driven gears. The shift arm member is formed with first and second cam faces, and a spring loaded cam follower is assembled within the inner wall structure to be in engagement with the first cam face of the shift arm member to effect disengagement of the idler gear from the driving and driven gears and to be in engagement with the second cam face of the shift arm member to effect engagement of the idler gear with the driving and driven gears.
    • 用于动力传递单元的变速机构包括从壳体组件可滑动地支撑的叉轴,以从其中立位置向前和向后位置选择性地移动;止动机构,用于将叉轴选择性地保持在其中立位置, 一个可在叉轴上滑动的换档头部件,一个单向接合机构,用于在叉轴向远离其倒档位置的轴向运动中实现换挡头部件与叉轴的啮合;以及一个换档臂部件, 壳体组件的内壁结构并与换档头构件相连,以将空转齿轮保持在其中立位置并将其与驱动齿轮和从动齿轮啮合。 换档臂构件形成有第一和第二凸轮面,并且弹簧加载的凸轮从动件组装在内壁结构内以与换档臂构件的第一凸轮面接合,以实现空转齿轮与驾驶的脱离接合 和从动齿轮并与变速臂构件的第二凸轮面接合,以实现空转齿轮与驱动齿轮和从动齿轮的啮合。
    • 66. 发明授权
    • Power transmission unit for motor vehicles
    • 机动车动力传动装置
    • US4404869A
    • 1983-09-20
    • US226532
    • 1981-01-19
    • Akio NumazawaHajime Arai
    • Akio NumazawaHajime Arai
    • F16H3/02F16H3/08F16H37/04F16H37/00
    • F16H37/046F16H2037/045F16H2200/0008
    • A power transmission unit for a motor vehicle comprises an auxiliary transmission for selectively completing low and high speed drive power trains, the auxiliary transmission having an input shaft drivingly connected to an output shaft of an engine through a disengageable coupling, a primary transmission arranged between the disengageable coupling and the auxiliary transmission and having a main sleeve shaft in surrounding relationship to the input shaft and a countershaft arranged in parallel with the main sleeve shaft, the main sleeve shaft being connected with an output member of the auxiliary transmission and provided integral with a plurality of drive gears for selectively driving respective change-speed gears on the countershaft, and a final drive gearing drivingly connected to the countershaft to drive a differential gear unit.
    • 用于机动车辆的动力传递单元包括用于选择性地完成低速和高速驱动动力传动系的辅助变速器,所述辅助变速器具有通过可脱离联接器驱动地连接到发动机的输出轴的输入轴, 可分离联轴器和辅助变速器,并且具有与输入轴和主轴平行布置的主轴的主套筒轴,主轴套与辅助变速器的输出构件连接,并与主轴套 多个驱动齿轮用于选择性地驱动中间轴上的各个变速齿轮,以及最终传动齿轮驱动地连接到副轴以驱动差动齿轮单元。
    • 67. 发明授权
    • Compact transmission, including a main transmission and a subtransmission
    • 紧凑型传输,包括主传输和副传输
    • US4368650A
    • 1983-01-18
    • US194380
    • 1980-10-06
    • Akio NumazawaHajime AraiShoji Haga
    • Akio NumazawaHajime AraiShoji Haga
    • F16H3/089F16H3/54F16H37/04F16H61/00F16H61/02F16H3/06B60K41/06F16H3/44
    • F16H3/54F16H3/089F16H37/046F16H61/0009F16H61/0206Y10T477/69365
    • A transmission for an automotive vehicle, including a manually controlled main transmission and an automatically controlled subtransmission. The main transmission includes a main casing within which are rotatably supported a tubular intermediate shaft and a power output shaft, in parallel. Several gear wheels on each of these shafts cooperate, and by their selective engagement various different speed driving ratios may be obtained between the shafts. One end of the intermediate shaft and one end of the power output shaft project from one end of the main casing. A power input shaft passes coaxially through the tubular intermediate shaft and is rotatably supported therein. The ends of the power input shaft project from the ends of the tubular intermediate shaft. The subtransmission includes a subcasing attached to the aforesaid one end of the main casing, and within the subcasing a planetary gear mechanism is arranged between the power input shaft and the tubular intermediate shaft so as, under the control of a fluid pressure actuator, either to couple these two shafts together directly, or to provide an increase of rotational speed from the input shaft to the intermediate shaft. A fluid pressure control device selectively supplies actuating fluid pressure to the actuator, and is located within the subcasing in a position axially opposing the end of the power output shaft. The end of the power input shaft remote from the subcasing is driven. The fluid pressure control device is automatically controlled according to operational parameters of the vehicle to selectively supply fluid pressure to the actuator.
    • 一种用于机动车辆的变速器,包括手动控制的主变速器和自动控制的副变速器。 主变速器包括主壳体,其中并联地可旋转地支撑管状中间轴和动力输出轴。 这些轴中的每一个上的几个齿轮协作,并且通过它们的选择性接合,可以在轴之间获得各种不同的速度驱动比。 中间轴的一端和动力输出轴的一端从主壳体的一端突出。 动力输入轴同轴地通过管状中间轴并被可旋转地支撑在其中。 动力输入轴的端部从管状中间轴的端部突出。 副变速器包括附接到主壳体的上述一端的子组件,并且在动力输入轴和管状中间轴之间,在动力输入轴和管状中间轴之间设置有行星齿轮机构,从而在流体压力致动器的控制下, 将这两个轴直接连接在一起,或者提供从输入轴到中间轴的转速的增加。 流体压力控制装置选择性地向致动器供应致动流体压力,并且位于沿着动力输出轴的端部轴向相对的位置内的子区域内。 电源输入轴的端子远离副驱动被驱动。 流体压力控制装置根据车辆的操作参数自动控制,以选择性地向致动器供应流体压力。
    • 69. 发明授权
    • Transmission equipped with auxiliary speed changing gear
    • 变速箱配备辅助换档装置
    • US4261217A
    • 1981-04-14
    • US952216
    • 1978-10-17
    • Hajime AraiAkio Numazawa
    • Hajime AraiAkio Numazawa
    • B60K17/08B60K20/02F16H3/02F16H3/091F16H3/093F16H37/04F16H3/08
    • F16H37/04F16H3/093F16H2003/0933F16H3/091Y10T74/19405
    • A transmission has a drive gear shaft disposed coaxially with an input shaft which extends in parallel with an output shaft. Two pairs of meshing gears, one of which constituting a gear train of high speed gear ratio while the other constitutes a gear train of low speed gear ratio, are arranged for the torque transmission from the input shaft to the drive gear shaft. The drive gear shaft is connected to the output shaft through a plurality of meshing speed gear pairs such as first gear pair, second gear pair, third gear pair and fourth gear pair, as in the ordinary transmission. In operation, one of the gear trains of the high speed and low speed gear ratios is selectively engaged, so that each of the speed gears may be operated at either the high speed range or the low speed range. The transmission is small-sized, light weight and less expensive, thanks to the coaxial arrangement of the input shaft and the drive gear shaft and, therefore, can suitably be used in small-sized vehicles having limited installation space preserved for the transmission.
    • 变速器具有与输出轴同轴设置的驱动齿轮轴,输入轴与输出轴平行延伸。 两对啮合齿轮,其中一个构成高速齿轮比的齿轮系,而另一个构成低速齿轮比的齿轮系,用于从输入轴到驱动齿轮轴的扭矩传递。 驱动齿轮轴通过多个啮合速度齿轮对连接到输出轴,例如第一齿轮对,第二齿轮对,第三齿轮对和第四齿轮对,如在普通变速器中那样。 在操作中,选择性地接合高速和低速齿轮比的齿轮系中的一个,使得每个变速齿轮可以在高速范围或低速范围内操作。 由于输入轴和驱动齿轮轴的同轴布置,变速箱体积小,重量轻,成本较低,因此适用于传动装置保留有限安装空间的小型车辆。