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    • 1. 发明授权
    • Speed change control device for a continuously variable transmission
    • 变速控制装置,用于无级变速器
    • US06645120B1
    • 2003-11-11
    • US10070276
    • 2002-03-06
    • Motoharu NishioToshikazu OshidariJun Sugihara
    • Motoharu NishioToshikazu OshidariJun Sugihara
    • F16H6130
    • F16H61/6648F16H2061/0046F16H2061/0253Y10T477/619
    • A speed change control valve (7) houses a spool (8) of comprising a land (83) which can face a supply port (7P) supplying an oil pressure, and lands (84, 85) which can respectively face a pair of drain ports (7D, 7D) formed on either side of the supply port (7P). Output ports (7L, 7H) which allow a first and second oil chamber of an hydraulic cylinder to communicate selectively with the supply port (7P) or the drain ports (7D) according to the displacement of a spool (8), are provided in the speed change control valve (7). In the neutral position of the spool (8), the lands (84, 85) respectively face the drain ports (7D), a width L1 of the land (83) is set to be equal to or greater than a width L1 of the supply port (7P), and a width L3 of the lands (84, 85) is set to a width at which the drain port (7D) can open.
    • 变速控制阀(7)容纳有可以面向供给油压的供给口(7P)的平台(83)的卷轴(8),以及分别面对一对排水管 形成在供给口(7P)两侧的端口(7D,7D)。 提供允许液压缸的第一和第二油室根据阀芯(8)的位移与供给口(7P)或排出口(7D)选择性地连通的输出口(7L,7H) 变速控制阀(7)。 在卷轴(8)的中间位置,平台(84,85)分别面对排水口(7D),平台(83)的宽度L1被设定为等于或大于 供应端口(7P),并且焊盘(84,85)的宽度L3被设定为排出口(7D)可以打开的宽度。
    • 2. 发明授权
    • Gear shift control apparatus
    • 变速控制装置
    • US5865708A
    • 1999-02-02
    • US786959
    • 1997-01-23
    • Motoharu NishioToshikazu Oshidari
    • Motoharu NishioToshikazu Oshidari
    • F16H61/06F16H61/08
    • F16H61/061F16H2061/0477F16H61/08Y10T477/69383Y10T477/69387
    • A gear shift control apparatus for use in an automatic transmission having friction elements each of which is operable on a working fluid pressure applied thereto in an engaged and released state. A change is produced from the current gear ratio to a desired gear ratio by increasing the pressure of the working fluid to a first one of the friction elements at a first rate to engage the first friction element while decreasing the pressure of the working fluid to a second one of the friction elements at a second rate to release the second friction element. A time elapsed for a torque phase in the gear ratio change is measured. The first rate is decreased when the measured torque phase time is shorter than a predetermined value. The second rate is increased when the measured torque phase time is longer than the predetermined value.
    • 一种变速控制装置,用于具有摩擦元件的自动变速器,每个摩擦元件可在接合和释放状态下以施加到其上的工作流体压力操作。 通过以第一速率将工作流体的压力以第一速率增加到第一摩擦元件的压力,从而将当前齿轮比的变化产生到期望的齿轮比,从而与第一摩擦元件接合,同时将工作流体的压力降低到 摩擦元件中的第二个以第二速率释放第二摩擦元件。 测量齿轮比变化中扭矩相位所经过的时间。 当测量的扭矩相位时间短于预定值时,第一速率降低。 当测量的扭矩相位时间长于预定值时,第二速率增加。
    • 3. 发明申请
    • Toroidal continuously variable transmission
    • 环形无级变速器
    • US20050079947A1
    • 2005-04-14
    • US10625470
    • 2003-07-23
    • Masatoshi FukuyamaToshifumi HibiJun SugiharaToshikazu Oshidari
    • Masatoshi FukuyamaToshifumi HibiJun SugiharaToshikazu Oshidari
    • F16H15/38F16H61/00F16H61/16F16H61/662F16H61/30
    • F16H61/0021F16H61/6649
    • In a toroidal continuously variable transmission, a primary oil pump is driven by an engine, whereas a secondary oil pump is driven in response to rotation of a road wheel. A hydraulic servo mechanism is connected to a trunnion to create an offset of the trunnion from a neutral position for a tilting motion of the power roller. Also provided is a hydraulic system that supplies the hydraulic pressure discharged from the secondary pump to the hydraulic servo mechanism to prevent the offset of the trunnion in the trunnion-axis direction, corresponding to an upshift, occurring owing to rotation of the road wheel in a stopped state of the engine. A modulated hydraulic pressure, which is constantly produced by the hydraulic system during operation of the engine, acts to hold the secondary pump at either of an inoperative state and an unloaded condition during the operation of the engine.
    • 在环形无级变速器中,主油泵由发动机驱动,而辅助油泵响应于轮轮的旋转而被驱动。 液压伺服机构连接到耳轴以产生耳轴与中性位置的偏移,用于动力辊的倾斜运动。 还提供了一种液压系统,其将从二次泵排出的液压提供给液压伺服机构,以防止由于在一个或多个的车轮中的旋转而发生的对应于升档的耳轴轴线方向上的耳轴的偏移 停止发动机的状态。 在发动机操作期间由液压系统不断产生的调制液压用于在发动机操作期间将副泵保持在非操作状态和无负载状态。
    • 4. 发明授权
    • Toroidal type continuously variable transmission
    • 环形无级变速器
    • US07204783B2
    • 2007-04-17
    • US10459442
    • 2003-06-12
    • Masatoshi FukuyamaToshifumi HibiJun SugiharaToshikazu Oshidari
    • Masatoshi FukuyamaToshifumi HibiJun SugiharaToshikazu Oshidari
    • F16H15/38
    • F16H61/6648F16H61/6649
    • When, with engine kept stopped, driven road wheels are turned, the toroidal type continuously variable transmission is suppressed from shifting toward a higher speed side. That is, when, with the engine kept stopped, the road wheels are turned in a reverse direction due to a traction of a motor vehicle with its front end facing backward, an extra oil pump driven by the road wheels produces an oil pressure which is applied to a hydraulic servo mechanism to keep a speed change ratio at a lower speed side. While, when, with the engine kept stopped, the road wheels are turned in a forward direction due to a traction of the motor vehicle with its front end facing forward, the oil pressure produced by the extra oil pump is not practically used. Under this condition, a biasing spring suppresses a servo piston from moving in a direction to bring about a speed change ratio for the higher speed side.
    • 当发动机保持停止时,驱动的车轮转动,环形无级变速器被抑制为向高速侧移动。 也就是说,当发动机保持停止时,由于机动车辆的前端面向后的牵引力,车轮以相反的方向转动,由车轮驱动的额外的油泵产生油压, 施加到液压伺服机构以保持在较低速度侧的变速比。 当发动机保持停止时,由于机动车辆的前端面向前的牵引力,车轮向前方转动,所以不实际使用由额外的油泵产生的油压。 在这种情况下,偏置弹簧抑制伺服活塞在朝向高速侧的速度变化率的方向上移动。
    • 5. 发明授权
    • Toroidal continuously variable transmission
    • 环形无级变速器
    • US07192380B2
    • 2007-03-20
    • US10625470
    • 2003-07-23
    • Masatoshi FukuyamaToshifumi HibiJun SugiharaToshikazu Oshidari
    • Masatoshi FukuyamaToshifumi HibiJun SugiharaToshikazu Oshidari
    • F16H15/38
    • F16H61/0021F16H61/6649
    • In a toroidal continuously variable transmission, a primary oil pump is driven by an engine, whereas a secondary oil pump is driven in response to rotation of a road wheel. A hydraulic servo mechanism is connected to a trunnion to create an offset of the trunnion from a neutral position for a tilting motion of the power roller. Also provided is a hydraulic system that supplies the hydraulic pressure discharged from the secondary pump to the hydraulic servo mechanism to prevent the offset of the trunnion in the trunnion-axis direction, corresponding to an upshift, occurring owing to rotation of the road wheel in a stopped state of the engine. A modulated hydraulic pressure, which is constantly produced by the hydraulic system during operation of the engine, acts to hold the secondary pump at either of an inoperative state and an unloaded condition during the operation of the engine.
    • 在环形无级变速器中,主油泵由发动机驱动,而辅助油泵响应于轮轮的旋转而被驱动。 液压伺服机构连接到耳轴以产生耳轴与中性位置的偏移,用于动力辊的倾斜运动。 还提供了一种液压系统,其将从二次泵排出的液压提供给液压伺服机构,以防止由于在一个或多个的车轮中的旋转而发生的对应于升档的耳轴轴线方向上的耳轴的偏移 停止发动机的状态。 在发动机操作期间由液压系统不断产生的调制液压用于在发动机操作期间将副泵保持在非操作状态和无负载状态。
    • 6. 发明授权
    • Toroidal continuously variable transmission
    • 环形无级变速器
    • US06475111B2
    • 2002-11-05
    • US09731985
    • 2000-12-08
    • Jun SugiharaToshikazu OshidariTsutomu YamazakiHaruhito Mori
    • Jun SugiharaToshikazu OshidariTsutomu YamazakiHaruhito Mori
    • F16H1538
    • F16H57/043F16H15/38F16H57/049
    • A power roller (18c) comprises a power roller inner wheel (93) in frictional contact with a input/output disks (18a, 18b), a power roller outer wheel (94) provided in a trunnion (17a), a ball bearing (92) interposed between the power roller inner wheel (93) and the power roller outer wheel (94), and an inner wheel supporting shaft (95) which supports the power roller inner wheel (93) such that it is free to rotate, the shaft having a shaft base part (95b) supported in the trunnion (17a), and arranged so that the radial support rigidity is set high in a gyration axis direction and set low in the direction perpendicular to the trunnion gyration axis (19a) and the power roller rotation axis (15d). When one of the disks is pressed and displaced in the direction of the other disk by the press member, the power roller inner wheel (93) displaces with the ball bearing (92) by the displacement of the one of the disks Therefore, as the radial support rigidity of the inner wheel supporting shaft (95) is different depending on the support direction, a slide function of the power roller (18c) can be provided by a simple structure having a small number of component parts which does not have a slide mechanism.
    • 动力辊(18c)包括与输入/输出盘(18a,18b)摩擦接触的动力辊内轮(93),设置在耳轴(17a)中的动力辊外轮(94),滚珠轴承 插入在动力辊内轮(93)和动力辊外轮(94)之间的内轮支撑轴(95),其支撑动力辊内轮(93),使其自由旋转, 该轴具有支撑在所述耳轴(17a)中的轴基部(95b),并且被配置为使得所述径向支撑刚性在回转轴方向上设定得较高,并且在垂直于所述耳轴回转轴(19a)的方向上设定为低 动力辊旋转轴(15d)。 当其中一个盘通过按压部件沿另一个盘的方向被按压和移位时,动力辊内轮(93)由于一个盘的位移而随着滚珠轴承(92)移位,因此,作为 内轮支撑轴(95)的径向支撑刚性根据支撑方向而不同,动力辊(18c)的滑动功能可以通过具有少量不具有滑块的部件的简单结构来提供 机制。
    • 7. 发明授权
    • Speed change control system of toroidal continuously variable transmission
    • 环形无级变速器变速控制系统
    • US06652412B2
    • 2003-11-25
    • US09850135
    • 2001-05-08
    • Jun SugiharaToshikazu Oshidari
    • Jun SugiharaToshikazu Oshidari
    • F16H1538
    • F16H61/664F16H15/38
    • A speed change control system is equipped with a feedback mechanism which feeds back the gyration angle of a power roller and the axial displacement of the power roller, to a speed change control valve (100) via a speed change link (12). The feedback mechanism comprises a cam plate (2) which outputs a feedback amount according to the gyration angle of the power roller, an L-shaped link (7) which outputs a feedback amount according to the axial displacement of the power roller, and a feedback link (3) connected to the cam plate (2) and L-shaped link (7), and connected to the speed change link (12). The feedback gain of the feedback amount according to the axial displacement of the power roller due to the L-shaped link (7), is varied according to the gyration angle of the power roller.
    • 变速控制系统配备有反馈机构,其通过变速连杆(12)将动力辊的回转角度和动力辊的轴向位移反馈到变速控制阀(100)。 反馈机构包括根据动力辊的回转角输出反馈量的凸轮板(2),根据动力辊的轴向位移输出反馈量的L形连杆(7),以及 连接到凸轮板(2)和L形连杆(7)的反馈连杆(3),并连接到变速连杆(12)。 根据动力辊由于L形连杆(7)的轴向位移而产生的反馈量的反馈增益根据动力辊的回转角度而变化。