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    • 39. 发明授权
    • Self-contained motor speed control device
    • 独立电机调速装置
    • US5660077A
    • 1997-08-26
    • US527470
    • 1995-09-13
    • Frank F. Nekola
    • Frank F. Nekola
    • B60K6/10B60K6/30F16H3/36F16H1/12
    • F16H3/363B60K6/105Y02T10/6204Y10T74/1934Y10T74/19502Y10T74/1966
    • A self-contained speed control device and system, primarily for electric and hybrid vehicles, includes a self-contained mechanical variable-speed control device. The device allows the motor to run constantly at its most efficient speed and temperature. The device is mechanically operated and connected to the motor and drive train. Speed is controlled by means of an accelerator cable connected to the device. When the accelerator is in the low or idle position, the torque is multiplied or increased instead of decreased, lessening the load on the motor, without additional load on the batteries. A continuous gear and slide arrangement creates a constantly variable speed combination, without interruption, giving the electric motor the feel of an internal combustion engine, without the disadvantage of building torque. The device includes a simplified two-piece housing, a cone shaped drive gear supported by a shaft and bearings, and a cam controlled variable pitch gear that slides on and in constant mesh with the main drive gear. The cam is supported by a shaft and bearings in communication with an oil sump incorporated in the device.
    • 一个独立的速度控制装置和系统,主要用于电动和混合动力车辆,包括一个独立的机械变速控制装置。 该装置允许电机以最有效的速度和温度恒定运行。 该设备是机械操作的,并连接到电机和传动系。 速度通过连接到设备的加速器电缆来控制。 当加速器处于低或怠速位置时,扭矩乘以或增加而不是减小,减轻电机的负载,而不会对电池造成额外的负担。 连续的齿轮和滑动装置在不中断的情况下产生恒定可变的速度组合,给电动机提供内燃机的感觉,而不会造成扭矩的缺点。 该装置包括简化的两件式外壳,由轴和轴承支撑的锥形驱动齿轮,以及与主驱动齿轮一体啮合的凸轮控制的变速齿轮。 凸轮由轴和与装在装置中的油槽连通的轴承支撑。
    • 40. 发明授权
    • Automatic mechanical variable ratio transmission
    • 自动机械变比传动
    • US5653143A
    • 1997-08-05
    • US471854
    • 1995-06-06
    • David W. Langevin
    • David W. Langevin
    • F16H3/36F16H61/32F16H3/30
    • F16H3/363F16H61/32Y10T74/19242Y10T74/19284Y10T74/19288Y10T74/19302Y10T74/1934
    • A variable ratio transmission system for coupling a load to a source of rotational power includes a selector shaft having a selector gear axially movable on a fork dolly by an actuator including a lead screw, and a control motor; an inclined cluster shaft having a plurality N of spur gears rotatably supported thereon for being selectively meshed with the selector gear, at least N-1 of the spur gears being variably coupled to the cluster shaft by a one-way clutch for rotation therewith; and a controller for activating the actuator while preventing substantial torque-loading of any of the spur gears unless that spur gear is substantially meshed with the selector gear, the controller comparing a set of operating conditions of the power source with a predetermined operating envelope, and activating the actuator for bringing the set of operating conditions within the operating envelope, the operating conditions including an input operating speed and a set point variable that can be throttle position, torque, power, applied voltage, applied current, modulation duty cycle, or acceleration, the controller being operative for interrupting power from the source for only approximately 0.01 second.
    • 一种用于将负载耦合到旋转动力源的可变比传动系统包括:选择轴,其具有通过包括导螺杆的致动器在叉车上可轴向移动的选择齿轮和控制马达; 具有可旋转地支撑在其上的多个N个正齿轮的倾斜的簇轴,用于选择性地与选择齿轮啮合,至少N-1个正齿轮通过单向离合器可变地联接到群轴,用于与其一起旋转; 以及控制器,用于启动致动器,同时防止任何正齿轮的大量扭矩负载,除非正齿轮基本上与选择器齿轮啮合,控制器将电源的一组操作条件与预定操作包络进行比较,以及 启动致动器以使操作条件的一组操作包围,操作条件包括可以是节气门位置,扭矩,功率,施加电压,施加电流,调制占空比或加速度的输入操作速度和设定点变量 ,控制器可操作用于中断来自源的功率仅约0.01秒。