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    • 3. 发明专利
    • Driving force distributing device
    • 驱动力分配装置
    • JP2008232368A
    • 2008-10-02
    • JP2007075879
    • 2007-03-23
    • Univance Corp株式会社ユニバンス
    • SUZUKI SATORU
    • F16D48/02B60K17/344
    • F16D48/066F16D48/02F16D2048/0248F16D2048/0281F16D2500/1024F16D2500/1045F16D2500/3058F16D2500/3166F16D2500/5014F16D2500/70223F16D2500/7041F16D2500/70418F16D2500/7044Y10T477/65Y10T477/73
    • PROBLEM TO BE SOLVED: To provide a driving force distributing device having reduced size and weight and reduced cost without sacrificing the responsiveness. SOLUTION: The driving force distributing device comprises a friction clutch 16 for transmitting the power of a main driving shaft to a sub driving shaft, a piston 36 for generating pushing force on the friction clutch 16, a cylinder chamber 35 storing the piston 36 in an axially movable manner, a pressure sensor 70 for detecting hydraulic pressure in the cylinder chamber 35, a hydraulic pump 48 for supplying pressure oil to the cylinder chamber 35, a motor 42 for positively/reversely driving the hydraulic pump 48, and a controller 40 for controlling the motor 42 to be positively/reversely driven while comparing a command from a vehicle with a signal from the pressure sensor 70. A hydraulic control valve unit 44 supplies pressure oil to the cylinder chamber 35 during the positive rotation of the hydraulic pump 48, prevents the flow of the pressure oil out of the cylinder chamber 35 during the positive rotation stop of the hydraulic pump 48, and forcibly discharges the pressure oil from the cylinder chamber 35 during the reverse rotation of the hydraulic pump 48. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供具有减小尺寸和重量并降低成本而不牺牲响应性的驱动力分配装置。 解决方案:驱动力分配装置包括用于将主驱动轴的动力传递到副驱动轴的摩擦离合器16,用于在摩擦离合器16上产生推力的活塞36,存储活塞的气缸室35 36,用于检测气缸室35中的液压的压力传感器70,用于向气缸室35供给压力油的液压泵48,用于正向/反向驱动液压泵48的马达42,以及 控制器40,用于在将来自车辆的命令与来自压力传感器70的信号进行比较时,将电动机42控制为正/反向驱动。液压控制阀单元44在液压正转期间向缸室35供给压力油 泵48防止在液压泵48的正转停止期间压力油从气缸室35流出,强制排出压力油fr 在液压泵48的反向旋转期间,气缸室35的位置。(C)2009年,JPO和INPIT