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    • 2. 发明申请
    • VEHICLE PROPULSION SYSTEM
    • 车辆推进系统
    • WO2006062643A2
    • 2006-06-15
    • PCT/US2005/040155
    • 2005-11-07
    • KUDHARA, INC.LINDSAY, Stuart, M.MCMATH, David WintersWALKER, Mark, P.
    • LINDSAY, Stuart, M.MCMATH, David WintersWALKER, Mark, P.
    • A61G5/02
    • F16D51/00A61G5/023A61G5/026A61G5/1051A61G5/1072F16D2121/14F16D2125/40F16D2125/66
    • A human-powered vehicle (106) includes a driven wheel (180, 602) with a cantilevered hub (184, 386, 508, 625, 684), and a hand-operable crank (114, 264, 358, 621) for vehicle propulsion. In a wheelchair the hand cranks are supported on towers (108, 258, 356, 622) that are lowerable to fit under a desk or table. With the vehicle at rest, cranking motion of the crank in a first rotational direction propels the vehicle forward and cranking motion of the crank in a second rotational direction propels the vehicle backward. With the vehicle in forward motion, cessation of crank rotation allows free rotation of the wheel, and crank torque applied in a sense opposing forward vehicle motion applies a braking force to the wheel. An electric vehicle includes a transmission wheel hub (512) that provides similar functions with an electric drive (950), such as for a wheelchair (672).
    • 人力车辆(106)包括具有悬臂轮毂(184,386,506,675,684)的从动轮(180,602)和用于车辆的手动操作曲柄(114,264,358,621) 推进。 在轮椅上,手柄支撑在塔(108,258,356,622)上,可以放置在桌子或桌子下方。 在车辆静止时,曲柄在第一旋转方向上的起动运动推动车辆前进,并且曲柄在第二旋转方向上的起动运动推动车辆向后。 随着车辆向前运动,曲柄旋转的停止允许轮的自由旋转,并且在与向前车辆运动相反的意义上施加的曲柄扭矩向车轮施加制动力。 一种电动车辆包括传动轮毂(512),其与电动驱动器(950)类似的功能,例如轮椅(672)。
    • 3. 发明申请
    • MULTI-SPEED FIXED-DRIVE PUSH RIM WHEELCHAIR
    • 多速固定驱动轮RIM轮椅
    • WO2008016980A1
    • 2008-02-07
    • PCT/US2007/074981
    • 2007-08-01
    • KUDHARA, INC.LINDSAY, Stuart, M.MCMATH, David, WintersWALKER, Mark, P.
    • LINDSAY, Stuart, M.MCMATH, David, WintersWALKER, Mark, P.
    • A61G5/02A61G5/10
    • A61G5/02A61G5/10
    • Multi-speed fixed gear hub transmissions (108, 109, 248, 249) are provided for push rim wheelchairs (100). Push rim wheelchairs (100) having such transmissions are also provided. The hub transmission (108, 109, 248, 249) generally includes a hub driver (112), a hub (150) and a drive train (10), configured to transmit rotational force from the hub driver (112) to the hub (150). In some implementations, the drive train (10) transmits torque at each of at least three gear ratios, and defines at least three different torque transmission paths (40, 50, 60) between the hub driver (112) and the hub (150), each path defining a respective one of the gear ratios, and each of the transmission paths (40, 50, 60) including only rigid bodies (45, 65, 114, 116), each of the rigid bodies (45, 65, 114, 116) being configured to transmit torque in both forward and reverse rotational directions. In other implementations, the drive train (10) transmits rotational force at each of at least two gear ratios.
    • 为轮式轮椅(100)提供多速固定式齿轮毂传动装置(108,109,248,249)。 还提供具有这种变速器的推轮轮椅(100)。 轮毂传动装置(108,109,248,249)通常包括轮毂驱动器(112),轮毂(150)和传动系(10),其构造成将旋转力从轮毂驱动器(112)传递到轮毂 150)。 在一些实施方案中,传动系(10)以至少三个传动比中的每一个传递扭矩,并且在轮毂驱动器(112)和轮毂(150)之间限定至少三个不同的扭矩传递路径(40,50,60) 每个路径限定相应的一个齿轮比,并且每个传动路径(40,50,60)仅包括刚性体(45,65,114,116),每个刚体(45,65,114) ,116)构造成在正向和反向旋转方向上传递扭矩。 在其他实施方案中,传动系(10)以至少两个传动比中的每一个传递旋转力。