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    • 34. 发明公开
    • Driving force transmission apparatus and control method therefor
    • Antriebskraft-Übertragungsvorrichtungund Steuerungsverfahrendafür
    • EP2353918A1
    • 2011-08-10
    • EP11150694.5
    • 2011-01-12
    • JTEKT CORPORATION
    • Yoshinami, KoudiSakai, ToshifumiOhno, AkihiroTakuno, HiroshiHoraguchi, MasahiroMita, MasakiShigeta, Ryohei
    • B60K23/08B60K17/34B60W30/20F16H61/04
    • B60K23/08B60K17/34B60K23/0808B60W30/20B60W2510/0241B60W2510/0275B60W2510/104B60Y2400/428F16H61/04Y10T74/20018
    • A driving force transmission apparatus (1) includes: a propeller shaft (2) that receives driving force of an engine (102) from a front differential case (111) and transmits the driving force from a front wheel (104) side to a rear wheel (105a, 105b) side; a first driving force interruption unit (3) that connects/disconnects the propeller shaft (2) to/from the front differential case (111); a second driving force interruption unit (4) that connects/disconnects the propeller shaft (2) to/from at least one of the pair of rear wheels (105a, 105b) so that transmitted torque is variable; and an ECU (5) that controls connection and disconnection of the first and second driving force interruption unit (3,4). The ECU (5) causes the second driving force interruption unit (4) to connect/disconnect the propeller shaft (2) to/from the at least one of the pair of rear wheels (105a, 105b) before causing the first driving force interruption unit (3) to connect/disconnect the propeller shaft (2) to/from the front differential case (111).
    • 驱动力传递装置(1)包括:传动轴(2),其从前差速器壳体(111)接收发动机(102)的驱动力,并将驱动力从前轮(104)侧传递到后部 轮(105a,105b)侧; 将传动轴(2)与前差速器壳体(111)连接/断开的第一驱动力中断单元(3); 第二驱动力中断单元(4),其将所述传动轴(2)与所述一对后轮(105a,105b)中的至少一个连接/断开,使得传递的扭矩是可变的; 以及控制第一和第二驱动力中断单元(3,4)的连接和断开的ECU(5)。 ECU(5)使得第二驱动力中断单元(4)在使第一驱动力中断之前将螺旋桨轴(2)与所述一对后轮(105a,105b)中的至少一个连接/断开 单元(3)用于将传动轴(2)与前差速器箱(111)连接/断开。
    • 36. 发明公开
    • Driving-force transmitting apparatus for four-wheel-drive vehicle
    • Antriebskraftübertragungsvorrichtungfürein Fahrzeug mit Allradantrieb
    • EP2308711A1
    • 2011-04-13
    • EP10165702.1
    • 2010-06-11
    • Univance Corporation
    • Kato, TadahikoMiyachi, Toshiyuki
    • B60K17/348B60K17/344B60K23/08
    • B60K17/348B60K17/344B60K23/08Y02T10/52
    • A driving-force transmitting device includes a first disengaging mechanism that disengages a driving force from an engine to a driving-force transmitting unit and a second disengaging mechanism having a synchronizing mechanism that disengages the driving force from a driving-force transmitting unit to a right-rear-wheel driving shaft. A change gear ratio between front wheels and rear wheels is constructed so that a driving-force transmitting unit side of the first disengaging mechanism rotates at a speed higher than that of an opposing side at the time of completion of synchronization of the second disengaging mechanism. In switching from a two-wheel drive mode to a four-wheel drive mode, synchronization of the second disengaging mechanism first starts to increase the rotation speed of the driving-force transmitting unit, and next connects the first disengaging mechanism when a rotation speed of the driving-force transmitting unit side of the first disengaging mechanism matches that of an opposing side.
    • 驱动力传递装置包括使驱动力从发动机脱离到驱动力传递单元的第一分离机构和具有使驱动力从驱动力传递单元向右侧脱离的同步机构的第二分离机构 - 后轮驱动轴。 前轮和后轮之间的变速比被构造成使得在完成第二分离机构的同步时,第一分离机构的驱动力传递单元侧以比相对侧的速度更高的速度旋转。 在从两轮驱动模式切换到四轮驱动模式时,第二分离机构的同步首先开始增加驱动力传递单元的旋转速度,接下来,当第一分离机构的转速 第一分离机构的驱动力传递单元侧与相对侧的驱动力传递单元相匹配。