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    • 1. 发明申请
    • Transmission having a backup latch mechanism
    • 传输具有备用锁定机构
    • US20070137973A1
    • 2007-06-21
    • US11311304
    • 2005-12-20
    • Bradley McCunnKevin MeyerJames Landes
    • Bradley McCunnKevin MeyerJames Landes
    • B60K23/02F16D25/10
    • F16D48/04F16D48/0206F16D2048/0203F16D2048/0281F16D2500/5114F16H61/12F16H2061/1232F16H2061/1236F16H2061/1268F16H2061/1292Y10T74/19251
    • A transmission for a work machine is disclosed. The transmission has a source of pressurized fluid, a low pressure reservoir, a plurality of hydraulically actuated clutches, a first plurality of valve mechanisms, and a second plurality of valve mechanisms. Each of the first plurality of valve mechanisms is associated with one of the plurality of hydraulically actuated clutches and configured to selectively fill and drain the associated one of the plurality of hydraulically actuated clutches. Each of the second plurality of valve mechanisms is associated with one of the plurality of hydraulically actuated clutches and configured to selectively fill and drain the associated one of the plurality of hydraulically actuated clutches. The transmission also includes a master latch mechanism in fluid communication with only the second plurality of valve mechanisms. The master latch mechanism is configured to selectively affect movement of the second plurality of valve mechanisms in response to an electrical power failure.
    • 公开了一种用于工作机械的变速器。 变速器具有加压流体源,低压储存器,多个液压驱动离合器,第一多个阀机构和第二多个阀机构。 第一多个阀机构中的每一个与多个液压驱动的离合器中的一个相关联,并且构造成选择性地填充和排出多个液压驱动的离合器中的相关联的一个。 第二多个阀机构中的每一个与多个液压驱动的离合器中的一个相关联,并且构造成选择性地填充和排出多个液压驱动的离合器中的相关联的一个。 传动装置还包括仅与第二多个阀机构流体连通的主闩锁机构。 主闩锁机构构造成响应于电力故障选择性地影响第二多个阀机构的运动。
    • 6. 发明申请
    • Retarding system implementing torque converter lockup
    • 实现变矩器锁定的延迟系统
    • US20070099757A1
    • 2007-05-03
    • US11261573
    • 2005-10-31
    • James Landes
    • James Landes
    • B60W10/02
    • F16H61/143B60W10/06B60W10/196B60W10/198B60W10/30B60W30/18136F16H59/36F16H61/21F16H2059/366F16H2061/216Y10T477/6403Y10T477/753
    • A retarding system for a work machine is disclosed. The retarding system has a power source, a transmission, and a torque converter operatively coupling the power source and the transmission. The torque converter has a lockup clutch. The retarding system also has a controller in communication with the lockup clutch. The torque converter is configured to receive an input indicative of a desired work machine acceleration, to determine a status of the lockup clutch, and to determine if engaging the lockup clutch will cause a speed of the power source to drop below a low idle speed. The controller is also configured to engage the lockup clutch if the input indicates that the desired work machine acceleration is below a predetermined amount, the lockup clutch is disengaged, and the speed of the power source will remain above the low idle speed after engagement of the lockup clutch.
    • 公开了一种用于作业机械的延迟系统。 延迟系统具有电源,变速器和可操作地耦合电源和变速器的变矩器。 变矩器具有锁止离合器。 减速系统还具有与锁止离合器连通的控制器。 变矩器被配置为接收表示期望的作业机加速度的输入,以确定锁止离合器的状态,并且确定是否接合锁止离合器将导致电源的速度降至低于低怠速。 如果输入指示期望的作业机械加速度低于预定量,则控制器还被构造成接合锁止离合器,锁止离合器分离,并且在接合卡止离合器之后,电源的速度将保持在低怠速速度以上 锁止离合器