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    • 32. 发明授权
    • Throttle valve system for automatic transmissions
    • 节气门系统用于自动变速器
    • US4711140A
    • 1987-12-08
    • US813729
    • 1985-12-27
    • Gilbert W. Younger
    • Gilbert W. Younger
    • F16H61/02B60K41/06B60K41/16
    • F16H61/029Y10T137/4273Y10T477/6939
    • The present invention provides an improved throttle valve regulating system for automatic transmissions for motor vehicles. In such automatic transmissions, the throttle valve reciprocates in a bore as a result of the action of a plunger and a throttle valve spring to control the flow and pressure of transmission fluid or oil to effect gear shifting. The present improvement provides a rigid spacing element of predetermined length received within the throttle valve spring for urging the valve towards a full throttle position in the event that the valve sticks in the bore in a lower throttle position. The system further includes a high rate spring located in the full throttle position in the bore to prevent sticking of the valve in that position, and a low rate spring similarly positioned in the bore to counteract the force of the throttle valve spring for returning the throttle valve to a low throttle or zero position. The reciprocating throttle valve includes at least one land or circumferential flange having sharpened edges for shearing large particles or other impurities introduced into the bore with the transmission fluid which might otherwise become wedged between the valve and the bore and cause sticking of the valve in a fixed position in the bore.
    • 本发明提供一种用于机动车辆的自动变速器的改进的节流阀调节系统。 在这种自动变速器中,由于柱塞和节流阀弹簧的作用,节流阀在孔中往复运动,以控制变速箱油或油的流量和压力来实现变速。 本改进提供了在节气门弹簧内容纳的具有预定长度的刚性间隔元件,用于在阀门处于较低节气门位置的情况下将阀推向全节气门位置。 该系统还包括位于孔中的全节气门位置的高速弹簧,以防止阀在该位置上的粘附,以及类似地定位在孔中的低速弹簧,以抵消节流阀弹簧的力使回流节流 阀门到低油门或零位置。 往复式节流阀包括具有锐化边缘的至少一个平台或周向凸缘,用于剪切大颗粒或引入到孔中的其它杂质,其中传动流体可能会楔入阀和孔之间并导致阀固定在固定 在孔中的位置。
    • 35. 发明授权
    • Method and apparatus for controlling power transmission system in an
automotive vehicle
    • 用于控制机动车辆中的动力传递系统的方法和装置
    • US4672863A
    • 1987-06-16
    • US852811
    • 1986-04-15
    • Hiroshi ItohMitsuru Takada
    • Hiroshi ItohMitsuru Takada
    • F16H37/02F16H61/662B60K41/12B60K41/16B60K41/18
    • F16H37/022F16H61/66259F16H2037/023F16H2061/6608Y10T477/6217
    • A method of controlling a power transmitting system for an automotive vehicle, having a continuously variable transmission and an auxiliary transmission which is connected with the continuously variable transmission, and which has at least two shift positions for forward driving of the vehicle. The auxiliary transmission is automatically shifted from one of the shift positions to another, based on a detected speed, a detected currently required output of the vehicle, and a detected speed ratio of the continuously variable transmission. Alternatively, the auxiliary transmission is shifted from one of the shift positions to another in response to an operation of a manual shift lever. When a predetermined condition is satisfied after the shift lever is operated to a given position, the auxiliary transmission is permitted to be shifted to the shift position corresponding to the position of the shift lever. This condition is determined based on the detected speed, the currently required output of the vehicle, and the detected speed ratio of the continuously variable transmission. Also disclosed are devices suitable for practicing the methods.
    • 一种控制用于机动车辆的动力传递系统的方法,具有无级变速器和与无级变速器连接的辅助变速器,并且具有用于车辆前进行驶的至少两个换档位置。 辅助变速器根据检测到的速度,检测到的当前要求的车辆输出以及无级变速器的检测速度比,自动地从一个换档位置移位到另一个。 或者,响应于手动变速杆的操作,辅助变速器从换档位置中的一个移位到另一个。 当在变速杆操作到给定位置之后满足预定条件时,允许辅助变速器移动到与变速杆的位置相对应的换档位置。 该条件基于检测到的速度,当前要求的车辆输出和无级变速器的检测速度比来确定。 还公开了适用于实施该方法的装置。
    • 38. 发明授权
    • Pump control arrangement for automatic automotive transmission or the
like
    • 用于汽车自动变速器等的泵控制装置
    • US4598612A
    • 1986-07-08
    • US591849
    • 1984-03-21
    • Yasufumi Ideta
    • Yasufumi Ideta
    • F16H41/30F16H61/00B60K41/16
    • F16H61/0021Y10T477/633Y10T477/69393
    • In order to prevent excessive pump output drain off and ensure that the hydraulic pressure supplied to a control chamber of a variable capacity pump of a hydraulically controlled automatic automotive transmission control system, is maintained at an appropriate level with respect to the control pressure (line pressure) being utilized in the control system, a pressure limiting valve is disposed between a drain port of a pressure regulating valve and the torque converter which operatively interconnects the prime mover (engine) with transmission. This pressure limiting valve includes a spool which is biased in a direction to reduce the pressure passed therethrough to the torque converter by the pressure prevailing in a feedback chamber which communicates with the conduiting between the valve and the torque converter.
    • 为了防止过多的泵输出排出,并且确保提供给液压控制的自动变速器控制系统的可变容量泵的控制室的液压相对于控制压力(管路压力)保持在适当的水平 )被用于控制系统中,压力限制阀设置在压力调节阀的排放端口与将原动机(发动机)与变速器可操作地相互连接的变矩器之间。 该限压阀包括一个阀芯,该阀芯通过与阀和变矩器之间的导管连通的反馈室中的压力沿一个方向偏压,以将通过其的压力减小到变矩器。