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    • 3. 发明授权
    • Support for transmission shaft and hydraulic servo drum
    • 支持传动轴和液压伺服鼓
    • US4693353A
    • 1987-09-15
    • US763007
    • 1985-08-06
    • Koji KobayashiKoji SumiyaYutaka TagaKazuaki Watanabe
    • Koji KobayashiKoji SumiyaYutaka TagaKazuaki Watanabe
    • F16H3/00B60T1/06F16D25/12F16H57/02F16H57/023F16H57/032F16H57/04F16H61/30F16H63/02F16H63/12F16H63/30F16D25/061F16D13/58
    • F16D25/12B60T1/062F16H57/021F16H63/3026
    • A support for an automatic transmission. The support has a tubular supporting portion having an inner peripheral surface supporting a transmission shaft and an outer peripheral surface supporting an inner cylindrical portion of a hydraulic servo drum of the transmission. The support has working oil passages formed therein and adapted for supplying and discharging a working oil to and from the hydraulic servo drum. The support has a support body including a first oil passage leading from an oil pressure controller for supplying and discharging working oil and communicating with the inner periphery of the tubular supporting portion, a second oil passage providing a communication between the outer periphery and the inner periphery of the tubular supporting portion and an inner oil groove providing a communication between inner peripheral openings of the first and second oil passages. The support further has an inner sleeve fitting on the inner peripheral surface of the tubular supporting portion to cover the oil groove thereby forming an oil passage for working oil, and an outer sleeve fitting on the outer periphery of the tubular supporting portion, the outer sleeve being provided with a sleeve hole aligned with a working oil port formed in the inner cylindrical portion of the hydraulic servo drum and communicating with an outer peripheral opening of the second oil passage. The outer sleeve is further provided in the outer peripheral surface thereof with ring grooves formed at both sides of the sleeve hole and adapted to receive seal rings.
    • 支持自动变速器。 支撑件具有管状支撑部分,其具有支撑传动轴的内周表面和支撑变速器的液压伺服滚筒的内圆柱形部分的外周表面。 支撑件具有形成在其中的工作油通道,用于将工作油供给到液压伺服滚筒和从液压伺服滚筒排出。 支撑体具有支撑体,该支撑体包括从用于供给和排出工作油并与管状支撑部分的内周连通的油压控制器的第一油通道,提供外周和内周之间的连通的第二油通道 以及内部油槽,其在第一和第二油路的内周开口之间形成连通。 所述支撑体还具有配合在所述管状支撑部的内周面上的内套筒,以覆盖所述油槽,从而形成用于加工油的油路,以及在所述筒状支撑部的外周配合的外筒, 设置有与形成在液压伺服辊的内圆筒部分中的工作油口对准的套筒孔,并与第二油通道的外周开口连通。 外套筒的外周表面还设置有形成在套筒孔两侧的环形槽,并且适于接收密封环。
    • 8. 发明授权
    • Hydraulic servo mechanism of automatic transmission for vehicle
    • 车辆自动变速器液压伺服机构
    • US4748809A
    • 1988-06-07
    • US852663
    • 1986-03-26
    • Koji SumiyaYoshikazu SakaguchiYutaka TagaSeitoku KuboShuzo Moroto
    • Koji SumiyaYoshikazu SakaguchiYutaka TagaSeitoku KuboShuzo Moroto
    • F16H59/50F16H61/06F15B1/02
    • F16H61/065F16H61/061F16H59/50Y10T477/69377
    • In an automatic transmission, friction elements are engaged and disengaged by a hydraulic servo connected alternately to a pressure source or to a drain through a selector valve, and an accumulator is connected to the line between the selector valve and the servo. The resistance against the oil discharged from the accumulator, the resistance against the oil discharged from the servo, and the return biasing forces in the accumulator and servo are adjusted so that the hydraulic pressure at the servo is lower than the hydraulic pressure of the accumulator for a predetermined time when the selector valve connects the servo with the drain. In one embodiment, a relief valve responsive to a vehicle running condition, controls the discharge rate of working oil through the drain. In another embodiment, a pressure regulator varies the level of the pressure of the working oil discharged from the accumulator in response to variations in a vehicle running condition.
    • PCT No.PCT / JP85 / 00434 Sec。 371日期:1986年5月27日 102(e)日期1985年5月27日PCT申请日1985年7月31日。在自动变速器中,摩擦元件通过液压伺服机构接合和分离,液压伺服系统通过选择阀交替地连接到压力源或排水管,并且蓄能器 连接到选择阀和伺服之间的管路。 对蓄能器排出的油的抵抗力,对伺服伺服的油排出的阻力以及蓄能器和伺服中的返回偏压力进行调整,使得伺服液压低于蓄能器的液压压力 选择阀将伺服与排水管连接的预定时间。 在一个实施例中,响应于车辆行驶状态的安全阀控制工作油通过排水管的排放速率。 在另一个实施例中,压力调节器响应于车辆行驶状态的变化而改变从蓄能器排出的工作油的压力水平。