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    • 3. 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。
    • 5. 发明授权
    • Control system for a stepless variable speed transmission
    • 无级变速控制系统
    • US4254672A
    • 1981-03-10
    • US23993
    • 1979-03-26
    • Kiyofumi MizunoMasanori SatoHiroaki MaedaShigeo TakahashiSatomi Suzuki
    • Kiyofumi MizunoMasanori SatoHiroaki MaedaShigeo TakahashiSatomi Suzuki
    • F16H45/00F16H47/04F16H61/66B60K41/04B60K41/12
    • F16H61/66B60W10/04B60W10/101F16H61/46F16H61/462F16H2061/6601F16H47/04Y10T477/637Y10T74/19037
    • A control system for a stepless variable speed transmission of power splitting type for use in a vehicle in which the power from an engine is transmitted with a controllable speed and wherein part of the power is converted into hydraulic power by means of hydraulic pump motor. The system comprises an up shift valve which switches a hydraulic pressure of a clutch and brake in the transmission to change the transmission to a high speed ratio range when a speed ratio increasing hydraulic pressure in a speed ratio control actuator exceeds a given value, a down shift valve which switches the hydraulic pressure of the clutch and brake to change the transmission to a low speed ratio range when a speed ratio decreasing hydraulic pressure exceeds a given value and a directional control valve which reverse the direction of the speed ratio increasing and the speed ratio decreasing hydraulic pressure to the actuator in accordance with a pressure difference between the hydraulic pressure of the clutch and brake in the low speed ratio range and the hydraulic pressure of the clutch and brake in the high speed range.
    • 一种用于车辆的无级变速传动控制系统,其中发动机的动力以可控速度传递,其中部分动力通过液压泵马达转换为液压动力。 该系统包括升档换档阀,当变速比控制致动器中的液压增加的速度比超过给定值时,该换档阀在变速器中切换离合器和制动器的液压,以将变速器改变为高速比范围,向下 当变速比降低液压超过给定值时,切换离合器和制动器的液压的换挡阀将变速器改变为低速比范围;以及方向控制阀,其使速比增加的方向和速度 根据低速比范围内的离合器和制动器的液压之间的压力差以及离合器和制动器在高速范围内的液压而使致动器的液压降低。
    • 6. 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
    • US4229998A
    • 1980-10-28
    • US917034
    • 1978-06-19
    • Kiyofumi MizunoHiroaki MaedaShigeo TakahashiMasanori SatoSatomi Suzuki
    • Kiyofumi MizunoHiroaki MaedaShigeo TakahashiMasanori SatoSatomi Suzuki
    • B60K17/10F16H47/04F16H61/40F16H61/66B60K41/12B60K41/16
    • F16H61/46B60W10/04B60W10/06B60W10/101B60W30/18027B60W30/1819F16H47/04F16H61/462B60W2540/106F16H2037/0886Y10S74/01Y10T477/636
    • An automatic speed ratio control system of 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 desired value signal generator which produces a desired value signal for an engine speed corresponding to a throttle opening or an output torque of an engine or which produces a desired value signal 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 desired value signal 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 producing a signal indicative of the differential or pseudo-differential of a throttle opening during the time the throttle opening increases, a signal from said means being added algebraically in opposing relationship with the signal from the desired value signal generator in the control signal generator or in opposing relationship with the signal from the control signal generator in the controller to prevent an abnormal rise in rotational speed of an engine of the vehicle during a rapid starting.
    • 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。 该系统包括期望值信号发生器,其产生对应于发动机的节气门开度或输出扭矩的发动机速度的期望值信号,或者产生对应于节气门开度或发动机的发动机输出转矩的期望值信号 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,用于将来自检测器的信号与来自目标期望值信号发生器的信号进行比较的控制信号发生器,以产生根据 它们之间的偏差,以及响应于控制信号的控制器来驱动致动器来改变无级变速器的速比。 该系统的特征在于还包括用于产生指示在节气门开度增加期间节气门开度的差分或伪差分的信号的装置,来自所述装置的信号与来自期望值的信号以代数相加的信号 控制信号发生器中的信号发生器或与控制器中的控制信号发生器的信号相反的关系,以防止在快速启动期间车辆发动机的转速异常上升。
    • 7. 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
    • US4261229A
    • 1981-04-14
    • US931224
    • 1978-08-04
    • Kiyofumi MizunoHiroaki MaedaShigeo TakahashiMasanori SatoSatomi Suzuki
    • Kiyofumi MizunoHiroaki MaedaShigeo TakahashiMasanori SatoSatomi Suzuki
    • B60K17/06B60W10/06B60W10/101B60W10/103B60W30/188F16H47/04F16H61/66B60K41/06B60K41/14B60K41/16
    • B60W10/06B60W10/04B60W10/101B60W10/103B60W30/188F16H47/04F16H61/66F16H2037/0886Y10T477/636
    • An automatic speed ratio control system of intergration 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 the position of the actuator to increase the alteration rate when the actuator is at the position of low speed ratio and decrease the alteration rate when the actuator is at the position of high speed ratio.
    • 一种用于机动车辆的无级变速器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致动器的位置来控制变速比的变化率的增益的装置,以在致动器处于低速比的位置时增加变化率,并且当低于 执行器处于高速比位置。
    • 8. 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。
    • 9. 发明申请
    • MEDICAL ADHESIVE
    • 医用胶粘剂
    • US20140018510A1
    • 2014-01-16
    • US14005906
    • 2012-03-09
    • Naoaki KawakamiHiroaki Maeda
    • Naoaki KawakamiHiroaki Maeda
    • A61L24/04
    • A61L24/046C08G18/4837C08G18/4845C08G18/773C09J175/04C09J175/08C08L75/04
    • The present invention is directed to providing a safe medical adhesive, a cured body of which is hard to be degraded and decomposed and thus stable and the cured body generates less amount of acid, aldehyde, etc. due to degradation/decomposition. The medical adhesive includes a hydrophilic urethane prepolymer (UP) obtained by reacting a polyisocyanate component (A) containing a fluorine-containing non-aromatic polyisocyanate compound (A1) as an essential ingredient and a polyol component (B) containing a hydrophilic polyol (B1) as an essential ingredient, wherein a chlorine content in a chlorine-containing organic compound based on the weight of the hydrophilic urethane prepolymer (UP) is 0.005 wt % or less.
    • 本发明旨在提供一种安全的医用粘合剂,其固化体难以降解和分解,因此稳定,固化体由于降解/分解而产生较少量的酸,醛等。 医用胶粘剂包括通过使含有含氟非芳香族多异氰酸酯化合物(A1)作为必需成分的多异氰酸酯成分(A)与含有亲水性多元醇(B1)的多元醇成分(B)反应而得到的亲水性氨基甲酸酯预聚物(UP) )作为必要成分,其中,基于亲水性氨基甲酸酯预聚物(UP)的重量,含氯有机化合物中的氯含量为0.005重量%以下。