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    • 2. 发明申请
    • V-belt continuously variable transmission
    • V型带无级变速器
    • US20050192131A1
    • 2005-09-01
    • US10650127
    • 2003-08-28
    • Masahiro YamamotoMidori Yamaguchi
    • Masahiro YamamotoMidori Yamaguchi
    • F16H9/00F16H61/00F16H61/02F16H61/662
    • F16H61/66272
    • There is provided a V-belt continuously variable transmission (10) including: a primary pulley (11) that is connected to an input shaft (11d); a secondary pulley (12) that is connected to an output shaft (12d); a V-belt (13) that is wrapped around the primary pulley (11) and the secondary pulley (12); and controllers (20, 30). When a speed ratio of the transmission (10) is to be increased, the oil pressure supplied to the primary pulley (11) is set to an oil pressure necessary for ensuring a torque capacity of the V-belt (13) and necessary for maintaining the speed ratio, and the oil pressure supplied to the secondary pulley (12) is set to an oil pressure that is higher than the oil pressure necessary for ensuring the torque capacity of the V-belt (13) and necessary for maintaining the speed ratio, thereby attaining a target speed change speed.
    • 提供了一种V型带无级变速器(10),包括:连接到输入轴(11d)的初级带轮(11); 连接到输出轴(12d)的次级滑轮(12); 围绕所述主带轮(11)和所述次级带轮(12)缠绕的V形带(13); 和控制器(20,30)。 当要增加变速器(10)的变速比时,供给到初级带轮(11)的油压被设定为确保V形带(13)的转矩能力所必需的油压并且维持 提供给次级带轮(12)的速度比和油压被设定为比确保V形带(13)的扭矩能力所需的油压高的油压,并且为了保持变速比 ,从而达到目标变速速度。
    • 3. 发明授权
    • V-belt continuously variable transmission
    • V型带无级变速器
    • US07118501B2
    • 2006-10-10
    • US10650127
    • 2003-08-28
    • Masahiro YamamotoMidori Yamaguchi
    • Masahiro YamamotoMidori Yamaguchi
    • F16H61/06
    • F16H61/66272
    • A V-belt continuously variable transmission includes a primary pulley and a secondary pulley. The primary pulley is connected to an input shaft and the secondary pulley is connected to an output shaft. A V-belt is wrapped around the primary and secondary pulleys. When a speed ratio is to be increased: (a) the oil pressure supplied to the primary pulley is set to an oil pressure necessary for ensuring a torque capacity of the V-belt and for maintaining the speed ratio; and (b) the oil pressure supplied to the secondary pulley is set to an oil pressure that is higher than the oil pressure necessary for ensuring the torque capacity of the V-belt and for maintaining the speed ratio, thereby attaining a target speed change speed.
    • V形皮带无级变速器包括主滑轮和次滑轮。 主滑轮连接到输入轴,次级滑轮连接到输出轴。 V型皮带缠绕在主滑轮和次滑轮上。 当增加速比时:(a)提供给主滑轮的油压被设定为确保V型皮带扭矩能力和保持速比所必需的油压; 和(b)供给二次滑轮的油压被设定为高于用于确保V型皮带的扭矩容量所需的油压的油压,并且为了保持速比,由此达到目标变速速度 。
    • 8. 发明授权
    • Oil pressure reduction rate restricting apparatus for V-belt type continuously variable transmission
    • 用于V型皮带式无级变速器的油压降低限制装置
    • US06980897B2
    • 2005-12-27
    • US10664814
    • 2003-09-17
    • Takanori AokiMakoto SawadaMasahiro YamamotoMidori YamaguchiToshiji Iida
    • Takanori AokiMakoto SawadaMasahiro YamamotoMidori YamaguchiToshiji Iida
    • F16H9/00F16H59/68F16H61/02F16H61/66F16H61/662G06F7/00
    • F16H61/66254F16H61/66272Y10T477/6197
    • There is provided an oil pressure reduction rate restricting apparatus for a V-belt type continuously variable transmission, which is comprised of a reduction rate restricting section that calculates a reduction rate restricted secondary pressure and a reduction rate restricted primary pressure by restricting respective reduction rates of the target secondary pressure and the target primary pressure when the reduction rates of the target secondary pressure and the target primary pressure calculated by a target secondary pressure calculating section and a target primary pressure calculating section, respectively, are equal to or greater than respective predetermined values. The secondary pressure and the primary pressure are controlled based on the reduction rate restricted secondary pressure and the reduction rate restricted primary pressure whose reduction rates have been restricted such that the gradient thereof are small. This prevents the actual secondary pressure and primary pressure from undershooting the respective target pressures, and therefore prevents a shortage in torque capacity, which is caused by oil pressure decrease.
    • 提供了一种用于V型皮带式无级变速器的油压降低率限制装置,其包括通过限制相应的减速率来计算减速率限制二次压力和减速率限制一次压力的减速率限制部分 当由目标二次压力计算部和目标主压力计算部计算出的目标二次压力和目标一次压力的压下率分别等于或大于相应的预定值时,目标二次压力和目标主压力 。 二次压力和一次压力基于限制二次压力的还原率和限制了其降低率的压缩率限制的一次压力被控制,使得其梯度小。 这样可以防止实际的次级压力和一次压力低于相应的目标压力,从而防止由油压下降引起的扭矩容量的不足。