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    • 170. 发明授权
    • Series drivetrain with CVT output
    • CVT输出系列传动系
    • US08784246B2
    • 2014-07-22
    • US13325970
    • 2011-12-14
    • Benjamin TreichelBryan CochranMin Li
    • Benjamin TreichelBryan CochranMin Li
    • F16H3/72
    • B60K6/365B60K6/46B60K2006/381B60W10/105F16H3/724F16H2200/2005F16H2200/2033Y02T10/6217
    • An electric drive system for driving a machine includes first and second electric drive motors linked to sun and ring gears respectively of a planetary output stage, and a ring brake associated with the ring gear to maintain the ring gear in a locked position. The carrier drives a fixed gear series drive train. In a first regime of operation corresponding to a first range of machine speeds, a controller employs the ring brake to brake the ring gear, and actuates only the first electric drive motor at a speed sufficient to yield the desired machine speed. In a second regime, corresponding to a second range of machine speeds, the controller drives the first electric drive motor at maximum speed, releases the ring brake, and drives the second electric drive motor so as to yield the desired machine speed.
    • 用于驱动机器的电驱动系统包括分别与行星输出级的太阳和环形齿轮连接的第一和第二电驱动马达以及与齿圈相关联的环形制动器,以将齿圈保持在锁定位置。 载具驱动固定齿轮系传动系。 在对应于第一范围的机器速度的第一操作状态中,控制器采用环形制动器来制动环形齿轮,并且仅以足以产生所需机器速度的速度致动第一电动驱动电动机。 在对应于机器速度的第二范围的第二制度中,控制器以最大速度驱动第一电动马达,释放环制动器,并驱动第二电驱动马达以产生所需的机器速度。