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    • 72. 发明申请
    • Clutch mechanism of hydrostatic continuously variable transmission
    • 静液压无级变速器离合器机构
    • US20070035792A1
    • 2007-02-15
    • US11349272
    • 2006-02-08
    • Toshimasa MitsuboriYoshihiro Yoshida
    • Toshimasa MitsuboriYoshihiro Yoshida
    • G02B5/32
    • F16H61/465F16H39/14F16H61/40F16H61/4043
    • A clutch mechanism for a hydrostatic continuously variable transmission in which a high pressure oil path and a low pressure oil path are shortened to change-over a transmittance of power. A spring sheet is provided of which manufacturing and assembling are simple and the number of component parts is reduced. This clutch mechanism for a hydrostatic continuously variable transmission includes a cam plate member arranged at the end part of the transmission shaft, a roller engaged with the cam plate member and moved in a diametrical outward direction with a centrifugal force, a roller bearing member slid axially through an outward motion of the roller, a spring sheet member for biasing the roller bearing member toward the roller, and a spring sheet member for supporting the spring member. The spring sheet member is held by said cam plate member and said casing and is supported.
    • 一种用于静压无级变速器的离合器机构,其中高压油路和低压油路被缩短以转换功率的透射率。 提供了一种弹簧片,其制造和组装简单,并且减少了部件的数量。 用于静液压无级变速器的离合器机构包括布置在传动轴的端部的凸轮板构件,与凸轮板构件接合并且以离心力沿直径向外方向移动的滚子,滚子轴承构件沿轴向滑动 通过辊的向外运动,用于将滚子轴承构件朝向辊偏压的弹簧片构件和用于支撑弹簧构件的弹簧片构件。 弹簧片构件由所述凸轮板构件和所述壳体保持并被支撑。
    • 74. 发明申请
    • Static hydraulic continuously variable transmission
    • 静液压无级变速器
    • US20060174616A1
    • 2006-08-10
    • US11349166
    • 2006-02-08
    • Yoshihiro YoshidaKazuhiko NakamuraHideo Okuzaki
    • Yoshihiro YoshidaKazuhiko NakamuraHideo Okuzaki
    • F16D39/00
    • F16D31/02F16H39/14
    • To provide a short connection hydraulic path structure with a sufficiently large diameter to adequately lower the pressure in a high-pressure hydraulic path while the clutch is off, in a static hydraulic continuously variable transmission for sliding a clutch valve installed within the transmission shaft, to change the power being transmitted and shorten the high-pressure hydraulic path and low-pressure hydraulic path. A high-pressure fluid path is provided for sending hydraulic fluid from the hydraulic pump side to the hydraulic motor side with a low-pressure fluid path for sending hydraulic fluid from the hydraulic motor side to the hydraulic pump side. A hydraulic circuit includes a switching valve for switching the plungers to the high-pressure path or the low-pressure path as a dual structure within a valve body between the hydraulic pump made from multiple plungers, and a hydraulic motor made from multiple motors.
    • 为了提供具有足够大直径的短连接液压路径结构,以在离合器关闭时充分降低高压液压路径中的压力,在用于使安装在传动轴内的离合器阀滑动的静态液压无级变速器中, 改变被传输的功率,缩短高压液压路径和低压液压路径。 提供了一种高压流体路径,用于将液压流体从液压泵侧输送到液压马达侧,并具有用于将液压流体从液压马达侧输送到液压泵侧的低压流体路径。 液压回路包括切换阀,用于在由多个柱塞制成的液压泵之间的阀体内的作为双重结构的高压路径或低压路径上切换柱塞,以及由多个马达制成的液压马达。
    • 77. 发明授权
    • Hydrostatic continuously variable transmission
    • 静液压无级变速器
    • US06474218B2
    • 2002-11-05
    • US09918434
    • 2001-08-01
    • Mitsuru SaitoYoshihiro YoshidaKazuhiro TakeuchiYasushi Fujimoto
    • Mitsuru SaitoYoshihiro YoshidaKazuhiro TakeuchiYasushi Fujimoto
    • F01B2900
    • F16H39/14
    • A swash plate type hydraulic pump and a swash plate type hydraulic motor in formed in combination to reduce the amount of oil leakage and to increase efficiency in a hydrostatic continuously variable transmission. A hydrostatic continuously variable transmission including a swash plate type hydraulic pump, a swash plate type hydraulic motor, and a hydraulic closed circuit disposed between the hydraulic pump and the hydraulic motor. The hydraulic pump is integrally combined with the hydraulic motor by an output shaft press-fitted in a cylinder block B in which pump cylinder bores and motor cylinder bores are formed in parallel to the output shaft. The diameters of back portions of the pump cylinder bore and the motor cylinder bore are larger relative to the diameters of entry portions to the pump cylinder bore and the motor cylinder bore. Wherein a press-fitting portion is not provided at the contact portions inside the entry portions with the output shaft.
    • 形成组合的斜盘式液压泵和斜盘式液压马达,以减少漏油量并提高静液压无级变速器的效率。 一种液压无级变速器,包括设置在液压泵和液压马达之间的斜盘式液压泵,斜盘式液压马达和液压闭合回路。 液压泵与液压马达通过压力安装在缸体B中的输出轴一体地组合在一起,其中泵缸孔和马达缸孔平行于输出轴形成。 泵缸孔和马达缸孔的后部的直径相对于泵缸孔和马达缸孔的进入部分的直径较大。 其中,在与输出轴的入口部分的接触部分处没有设置压配部分。