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    • 91. 发明授权
    • Automatic speed ratio control system for stepless transmission of
automotive vehicles
    • 汽车无级变速自动变速比控制系统
    • US4253347A
    • 1981-03-03
    • US930117
    • 1978-08-01
    • Kiyofumi MizunoHiroaki MaedaShigeo TakahashiMasanori SatoSatomi Suzuki
    • Kiyofumi MizunoHiroaki MaedaShigeo TakahashiMasanori SatoSatomi Suzuki
    • F16H47/04B60W10/04F16H59/24F16H59/40F16H59/42F16H61/02B60K41/16B60K41/06
    • B60W10/103B60W10/04B60W10/10B60W30/18027F16H61/46F16H61/462Y10T477/636
    • An automatic speed ratio control system of the integration servo mechanism type for a stepless transmission of an automotive vehicle. Speed ratio is controlled by a hydraulic pump motor of variable displacement type, which in turn is controlled by an actuator having a piston and a cylinder to which hydraulic oil is supplied. The system comprises a target value generator which produces a target value for an engine speed corresponding to a throttle opening or an output torque of an engine, or which produces a target value for an engine output torque corresponding to a throttle opening or an engine speed; a detector for producing a signal indicative of an engine speed or an output torque of an engine; a control signal generator for comparing the signal from the detector against the signal from the target value generator to produce a control signal in accordance with a deviation therebetween; and a controller responsive to the control signal to drive the actuator to change a speed ratio of the stepless transmission. The system is characterized by further comprising means for controlling a gain of the alteration rate of the speed ratio in response to a rotational speed of an output shaft of the stepless transmission to increase the alteration rate when the rotational speed of the output shaft is low and decrease the alteration rate when the rotational speed of the output shaft is high.
    • 一种用于机动车辆的无级变速的集成伺服机构的自动变速比控制系统。 变速比由可变排量型的液压泵电动机控制,该马达又由具有提供液压油的活塞和气缸的致动器控制。 该系统包括目标值发生器,其产生对应于发动机的节气门开度或输出转矩的发动机转速的目标值,或产生对应于节气门开度或发动机转速的发动机输出转矩的目标值; 用于产生指示发动机的发动机转速或输出转矩的信号的检测器; 控制信号发生器,用于将来自检测器的信号与来自目标值发生器的信号进行比较,以根据它们之间的偏差产生控制信号; 以及响应于所述控制信号来驱动所述致动器以改变所述无级变速器的速比的控制器。 该系统的特征在于还包括用于响应于无级变速器的输出轴的转速来控制变速比的变化率的增益的装置,以在输出轴的转速低时增加变化率,并且 当输出轴的转速高时,减小变更率。
    • 94. 发明授权
    • Servo mechanism
    • 伺服机构
    • US3943715A
    • 1976-03-16
    • US382911
    • 1973-07-26
    • Takayuki MiyaoHiroaki MaedaMasanori Sato
    • Takayuki MiyaoHiroaki MaedaMasanori Sato
    • F15B9/08F02M23/06F04B49/00F16H61/42F16H61/423F16H61/433F02B41/00
    • F16H61/42F04B49/002F16H61/433F16H2037/088Y10T477/637Y10T477/675
    • A servo mechanism for a prime mover interconnected to a hydrostatic transmission includes a source of pressurized fluid, a fluid reservoir, an actuator having a piston operatively connected to the hydrostatic transmission and being provided with large and small hydraulic receiving areas which are exposed to first and second hydraulic chambers, respectively within the actuator housing, a first passage for connecting the pressurized fluid source to the second chamber, a second passage for connecting the pressurized fluid source to the first chamber, a third passage for connecting the first chamber to the reservoir, and a pair of spool valve means disposed, respectively, within the second and third passages and responsive to a signal indicative of the power required of the prime mover and an actual speed or feedback signal of the prime mover.
    • 用于与静液压变速器相互连接的原动机的伺服机构包括加压流体源,流体储存器,具有可操作地连接到静液压变速器的活塞的致动器,并且具有大的和小的液压接收区域,其暴露于第一和 分别在致动器壳体内的第二液压室,用于将加压流体源连接到第二室的第一通道,用于将加压流体源连接到第一室的第二通道,用于将第一室连接到储存器的第三通道, 以及一对滑阀装置,分别设置在第二和第三通道内,并且响应于指示原动机所需的功率的信号和原动机的实际速度或反馈信号。
    • 98. 发明授权
    • Cab frame structure for construction machine
    • 驾驶室框架结构用于施工机械
    • US08876196B2
    • 2014-11-04
    • US13811542
    • 2011-07-21
    • Shigeki KondoMasanori Sato
    • Shigeki KondoMasanori Sato
    • B60J7/00E02F9/16
    • E02F9/16B60J1/004E02F9/163
    • ObjectIn a cab frame structure for a construction machine in which a front pillar and a roof pillar are configured by one tubular material, the cab frame structure for the construction machine in which an attachment position of a front header can be reversibly raised and an upward viewing angle of a driver is enlarged is provided.Solving MeansA front pillar 1 and a roof pillar 2, which constitute a cab frame of the construction machine, are configured by one tubular material 9 having a curved portion 10 at a joint between them, and by making a curvature radius of a curve outer side 10a in the curved portion 10 smaller than a curvature radius of a curve inner side 10b, a space 12 to raise an accommodation position of a top end 7x of a front window unit 7 is formed in the curved portion 10. A front header 4 is arranged at the position of the top end 7x of the front window unit 7 accommodated in the space 12. With this configuration, the attachment of the front header 4 can be reversibly raised, and an upward viewing angle θ2 of a driver can be expanded.
    • 一种用于建筑机械的驾驶室框架结构,其中前柱和车顶柱由一个管状材料构成,用于施工机械的驾驶室框架结构,其中前集管的安装位置可以可逆地升高,并且向上 提供了驾驶员的视角。 解决方案构成建筑机械的驾驶室框架的前支柱1和车顶支柱2由一个管状材料9构成,该管状材料9在它们之间的接头处具有弯曲部分10,并且通过使曲线外侧的曲率半径 在弯曲部分10中的比曲线内侧10b的曲率半径小的侧面10a,在弯曲部分10中形成有用于提高前窗单元7的顶端7x的收纳位置的空间12。 被布置在容纳在空间12中的前窗单元7的顶端7x的位置处。通过这种构造,可以可逆地升高前集管4的安装,并且驾驶员的向上视角& 2 扩大。