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    • 31. 发明授权
    • Automatic transmission
    • 自动变速器
    • US06679804B2
    • 2004-01-20
    • US10058303
    • 2002-01-30
    • Hiroshi KatoKazumasa TsukamotoMasahiro HayabuchiMasaaki NishidaSatoru KasuyaAkitoshi Kato
    • Hiroshi KatoKazumasa TsukamotoMasahiro HayabuchiMasaaki NishidaSatoru KasuyaAkitoshi Kato
    • F16H362
    • F16H3/663F16H2200/0052F16H2200/2007F16H2200/2097
    • A multi-stage automatic transmission using a reduction planetary gear and a planetary gear set in which the respective thrust forces generated thereat are supported by a low bearing load or a low case load. The automatic transmission is provided with a reduction planetary gear, coupled to an input shaft to fix a reaction force element so as to output a reduction rotation to an output element, and a planetary gear set, that outputs a speed shift rotation upon input of the subsequent reduction rotation. During at least first gear driving, there is provided a force transmission route in which thrust forces generated at one element of the reduction planetary gear and one element of the planetary gear set, respectively, are transmitted. In that route, a torsion direction of the helical teeth of the respective elements are set such that a direction of a thrust force of the element and a direction of the thrust force of the other element are different from each other during first gear driving.
    • 使用减速行星齿轮和行星齿轮组的多级自动变速器,其中在其上产生的各个推力由低轴承负载或小负载负载。 自动变速器设置有减速行星齿轮,联接到输入轴以固定反作用力元件以将减速旋转输出到输出元件;以及行星齿轮组,其在输入时输出速度换档旋转 随后的减速旋转。 在至少第一齿轮传动期间,设置有力传递路径,其中分别在所述还原行星齿轮的一个元件处产生的推力和所述行星齿轮组的一个元件产生的推力。 在该路径中,各元件的螺旋齿的扭转方向被设定为使得元件的推力方向和另一元件的推力方向在第一档位驱动期间彼此不同。
    • 34. 发明授权
    • Control apparatus for an automatic transmission
    • 用于自动变速器的控制装置
    • US5807207A
    • 1998-09-15
    • US771144
    • 1996-12-20
    • Takayuki HisanoKazumasa TsukamotoMasahiro HayabuchiHiroshi Tsutsui
    • Takayuki HisanoKazumasa TsukamotoMasahiro HayabuchiHiroshi Tsutsui
    • F16H61/04F16H61/02F16H61/06F16H63/30
    • F16H63/3003F16H61/0246F16H61/061Y10T477/689Y10T477/6895
    • In order to improve transmission efficiency of an automatic transmission, an engagement brake which does not cause drag is used and the surety of its engagement and release, and quick switching between forward maneuver and backward maneuver, is enabled. The automatic transmission comprises a transmission mechanism to achieve forward maneuver and backward maneuver. A backward motion brake which stops the rotation element to achieve backward maneuver is the engagement brake and an input clutch to transfer power by meshing with the rotation element during both forward maneuver and backward maneuver is a friction clutch. The control apparatus executes the control operation to prepare for speedy re-meshing by holding a supply pressure for the clutch hydraulic servo at a sufficient oil pressure to place the pressure in the stand-by condition at the piston stroke position immediately before the start of clutch engagement during the engagement or releasing of engagement of the engagement brake at the time of D.fwdarw.R or R.fwdarw.D shift.
    • 为了提高自动变速器的传动效率,使用不引起牵引力的接合制动器,并且能够实现其接合和释放的保证,以及向前机动和向后机动之间的快速切换。 自动变速器包括一个实现向前机动和向后机动的传动机构。 一个向后运动的制动器,其停止旋转元件以实现向后的操纵是接合制动器,并且通过在向前机动和向后机动两者期间与旋转元件啮合来传递动力的输入离合器是摩擦离合器。 控制装置通过在足够的油压下保持离合器液压伺服的供给压力来进行控制操作,以准备快速重新啮合,以将压力置于待机状态下的紧急起动前的活塞行程位置 在D-> R或R-> D移位时接合或释放接合制动器的接合的接合。