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    • 3. 发明授权
    • Automatic transmission
    • 自动变速器
    • US5505670A
    • 1996-04-09
    • US272216
    • 1994-07-08
    • Takeshi InuzukaMasashi HattoriYasuo HojoKunihiro IwatsukiShinji Kasuga
    • Takeshi InuzukaMasashi HattoriYasuo HojoKunihiro IwatsukiShinji Kasuga
    • F16H59/24F16H59/44F16H61/14
    • F16H61/143F16H59/24F16H59/44Y10T477/6351Y10T477/63525
    • A lockup clutch of an automatic transmission is controlled so that no shock is produced while the vehicle is running within a predetermined gear stage. The automatic transmission includes a fluid coupling; a lockup clutch provided in the fluid coupling; a shift selector for selecting a range; a vehicle speed sensor for detecting vehicle speed, and a throttle opening sensor for detecting throttle opening. A control unit determines a gear stage in accordance with the selected range, the vehicle speed and the throttle opening, decides a shift, produces a shifting output signal, decides ON or OFF for the lockup clutch in accordance with the selected range, the vehicle speed and the throttle opening, and produces a lockup ON/OFF output signal. An oil pressure circuit actuates solenoid valves in response to the shifting output signal and the lockup ON/OFF output signal of the control unit. The solenoid valves, in turn, control engagement and release of frictional engagement elements to achieve the decided gear stage and control engagement and release of the lockup clutch. The control unit includes, stored in memory, a lockup diagram set with an ON/OFF hysteresis area; a comparator for deciding whether or not the vehicle speed and the throttle opening, at the time of a shifting output signal is produced, are within the ON/OFF hysteresis area of the lockup diagram; and a lockup output signal generator for turning the lockup output ON if the vehicle speed and the throttle opening are within the ON/OFF hysteresis area when the shifting output signal is produced.
    • 控制自动变速器的锁止离合器,使得在车辆在预定档位期间行驶时不产生冲击。 自动变速器包括流体联轴器; 锁定离合器,设置在所述流体联接器中; 用于选择范围的换档选择器; 用于检测车速的车速传感器和用于检测节气门开度的节气门开度传感器。 控制单元根据所选择的范围,车速和节气门开度确定变速级,决定换挡,产生变速输出信号,根据所选择的范围,对锁止离合器进行判定ON或OFF,车速 和节气门开度,并产生锁定ON / OFF输出信号。 油压回路根据变速输出信号和控制单元的锁定ON / OFF输出信号来启动电磁阀。 电磁阀进而控制摩擦接合元件的接合和释放,以实现确定的齿轮级并控制锁止离合器的接合和释放。 控制单元包括存储在存储器中的用ON / OFF滞后区域设置的锁定图; 用于判定在产生移位输出信号时的车速和节气门开度是否在锁定图的ON / OFF滞后区域内的比较器; 以及锁定输出信号发生器,用于当产生换档输出信号时车速和节气门开度在ON / OFF滞后区域内时,转动锁定输出。
    • 8. 发明授权
    • Lower body structure for vehicle
    • 车身下部结构
    • US5921618A
    • 1999-07-13
    • US825748
    • 1997-04-03
    • Takeo MoriShinji Kasuga
    • Takeo MoriShinji Kasuga
    • B62D25/20B62D21/15B60J7/00
    • B62D21/157B62D25/025B62D25/2036
    • A lower body structure for a vehicle having a pair of side sills provided respectively at vehicle transverse ends of a floor panel in such a manner as to extend in a longitudinal direction of the vehicle includes: a floor-panel reinforcing member disposed on an underside of the floor panel in such a manner as to extend in the longitudinal direction of the vehicle at a position spaced apart from each of the side sills in a transversely inward direction of the vehicle; and a side-sill reinforcing member disposed on an upper surface of the floor panel in such a manner as to extend in a transverse direction of the vehicle and connect a vehicle transverse inner side portion of each of the side sills and the floor panel, wherein the side-sill reinforcing member is provided such that a portion of the floor panel which extends from each of the side sills to a position spaced apart a predetermined distance from the floor-panel reinforcing member in a transversely outward direction of the vehicle is reinforced along the transverse direction of the vehicle, the reinforced portion of the floor panel being adapted to undergo displacement toward a side wall surface of the floor-panel reinforcing member due to an impact force occurring at a time of a side collision.
    • 具有分别设置在地板镶板的车辆横向端部处的一对侧梁的车体的下部主体结构以沿车辆的纵向方向延伸的方式包括:底板加强构件,其设置在车辆的下侧 所述地板面板以在所述车辆的横向内侧方向上与所述侧梁中的每一个间隔开的位置沿所述车辆的纵向方向延伸的方式; 以及侧框架加强构件,其以在车辆的横向方向上延伸的方式设置在地板的上表面上,并且连接每个侧梁和地板镶板的车辆横向内侧部分,其中 侧框加强构件被设置成使得从底梁中的每一个延伸到在车辆的横向向外方向上与地板面板加强构件间隔开预定距离的位置的地板镶板的一部分被加强 车辆的横向方向,由于在侧面碰撞时发生的冲击力,地板镶板的加强部分适于朝向地板镶板加强件的侧壁表面移位。