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JP2010260383A Drive force transmission device for four-wheel-drive vehicle 有权
标题翻译：用于四轮驱动车辆的驱动力传动装置
公开(公告)号：JP2010260383A
公开(公告)日：2010-11-18
申请号：JP2009110578
申请日：2009-04-30
申请人： Univance Corp , 株式会社ユニバンス
发明人： KONDO HIROYUKI , MASUDA YOSUKE , YOKOTA KENGO
IPC分类号： B60K17/16 , B60K17/348 , F16D13/69 , F16D13/74
CPC分类号： Y02T10/76
摘要： PROBLEM TO BE SOLVED: To obtain an on-demand type full time four-wheel-drive vehicle of an FF vehicle base with favorable fuel economy by reducing a friction loss by a rear wheel drive system during two-wheel drive.
SOLUTION: This drive force transmission device includes a connecting/disconnecting device 28 for connecting and disconnecting a drive force from a front wheel differential device 18 to a first drive force transmission direction converting part 20, and a multi-plate clutch mechanism 30 provided between an output of a rear wheel differential device 26 and a right rear wheel to continuously adjust a fastening force. Drag torque when releasing fastening of the multi-plate clutch mechanism 30 is made smaller than the friction torque of the rear wheel drive system between the first drive force transmission direction converting part 20 and a second drive force transmission direction converting part 24. A controller 25 disconnects the connecting/disconnecting device 28 and releases the fastening of the multi-plate clutch mechanism 30 when a mode is switched to a two-wheel drive mode, and thereby the controller stops the rotation of the rear wheel drive system.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过在两轮驱动期间减小后轮驱动系统的摩擦损失，获得具有良好燃料经济性的FF车辆基座的按需型全时四轮驱动车辆。解决方案：该驱动力传递装置包括用于将来自前轮差速装置18的驱动力连接到第一驱动力传递方向转换部20的连接/断开装置28和多板离合器机构30 设置在后轮差速装置26的输出与右后轮之间，以连续地调节紧固力。释放多片离合器机构30的紧固时的拖动扭矩小于第一驱动力传递方向转换部20和第二驱动力传递方向转换部24之间的后轮驱动系的摩擦转矩。控制器25 当模式切换到两轮驱动模式时，断开连接/断开装置28并释放多板离合器机构30的紧固，从而控制器停止后轮驱动系统的旋转。版权所有（C）2011，JPO＆INPIT

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