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公开(公告)号：US08684886B2
公开(公告)日：2014-04-01
申请号：US13107847
申请日：2011-05-13
IPC分类号： F16H61/662
CPC分类号： F16H63/062 , B60W10/02 , B60W10/06 , B60W10/107 , B60W30/1846 , B60W2710/023 , B60W2710/0644 , B60W2710/0666 , B60W2710/1005 , B60Y2300/184 , F16H55/56 , F16H61/66259 , Y10T74/20018 , Y10T477/6223 , Y10T477/6237
摘要： A method of managing a transmission ratio with an assisted CVT with a governed engine to emulate a hydrostatic transmission and prevent a drivebelt abuse is provided, the method comprising: providing a reference power source rotational speed, using the assisted CVT to transmit rotatable motion between a power source and a drive mechanism, managing a torque of the power source to maintain a substantially even rotational speed upon a power source load variation and modulating a transmission ratio of the assisted CVT to change the rotational speed of the drive mechanism. A system and a vehicle having such a drivebelt abuse preventing mechanism is also provided.
摘要翻译： 提供了一种利用具有受控发动机的辅助CVT来管理传动比以模拟静液压传动并防止驱动带的滥用的方法，所述方法包括：提供参考动力源转速，使用所述辅助CVT在a 电源和驱动机构，管理电源的扭矩以在电源负载变化时维持基本均匀的转速，并且调节辅助CVT的变速比以改变驱动机构的转速。 还提供了一种具有这种驱动带防滥用机构的系统和车辆。
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公开(公告)号：US08668607B2
公开(公告)日：2014-03-11
申请号：US13127143
申请日：2009-11-02
IPC分类号： F16H55/56
CPC分类号： F16H55/56 , F16H7/0827 , F16H63/067
摘要： The driving pulley has a fully clutched mode of operation where a drivebelt and a driveshaft are coupled together in a torque transmitting engagement and also has an unclutched mode of operation where there is substantially no torque transmitting engagement between the drive belt and the driveshaft. The driving pulley comprises at least one transitional clutch spring that is in a first position when the driving pulley is in the unclutched mode of operation and that is in a second position when the driving pulley is in the fully clutched mode of operation. The at least one transitional clutch spring remains substantially in its second position regardless of the relative axial distance between the sheaves when the driving pulley is in the fully clutched mode of operation. A method of operating a driving pulley is also disclosed. The proposed concept provides a smoother engagement during the transition from the unclutched mode to the fully clutched mode.
摘要翻译： 驱动滑轮具有完全离合的操作模式，其中驱动带和驱动轴以扭矩传递接合联接在一起，并且还具有未驱动的操作模式，其中传动带和驱动轴之间基本上没有扭矩传递接合。 所述驱动滑轮包括至少一个过渡离合器弹簧，所述至少一个过渡离合器弹簧在所述驱动滑轮处于未切换操作模式时处于第一位置，并且当所述驱动滑轮处于完全离合操作模式时处于第二位置。 当驱动滑轮处于完全离合操作模式时，至少一个过渡离合器弹簧基本上保持在其第二位置，而与滑轮之间的相对轴向距离无关。 还公开了一种操作驱动滑轮的方法。 所提出的概念在从未切换模式到完全离合模式的转变期间提供更平滑的接合。
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公开(公告)号：US20110207566A1
公开(公告)日：2011-08-25
申请号：US13127143
申请日：2009-11-02
IPC分类号： F16H55/56
CPC分类号： F16H55/56 , F16H7/0827 , F16H63/067
摘要： The driving pulley has a fully clutched mode of operation where a drivebelt and a driveshaft are coupled together in a torque transmitting engagement and also has an unclutched mode of operation where there is substantially no torque transmitting engagement between the drive belt and the driveshaft. The driving pulley comprises at least one transitional clutch spring that is in a first position when the driving pulley is in the unclutched mode of operation and that is in a second position when the driving pulley is in the fully clutched mode of operation. The at least one transitional clutch spring remains substantially in its second position regardless of the relative axial distance between the sheaves when the driving pulley is in the fully clutched mode of operation. A method of operating a driving pulley is also disclosed. The proposed concept provides a smoother engagement during the transition from the unclutched mode to the fully clutched mode.
摘要翻译： 驱动滑轮具有完全离合的操作模式，其中驱动带和驱动轴以扭矩传递接合联接在一起，并且还具有未驱动的操作模式，其中传动带和驱动轴之间基本上没有扭矩传递接合。 所述驱动滑轮包括至少一个过渡离合器弹簧，所述至少一个过渡离合器弹簧在所述驱动滑轮处于未切换操作模式时处于第一位置，并且当所述驱动滑轮处于完全离合操作模式时处于第二位置。 当驱动滑轮处于完全离合操作模式时，至少一个过渡离合器弹簧基本上保持在其第二位置，而与滑轮之间的相对轴向距离无关。 还公开了一种操作驱动滑轮的方法。 所提出的概念在从未切换模式到完全离合模式的转变期间提供更平滑的接合。
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