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81 条记录 (耗时 0.018 秒)

    Electro-hydraulic load sense on a power machine
    71.
    发明申请
    Electro-hydraulic load sense on a power machine 审中-公开
    动力机器上的液压负载感

    公开(公告)号：US20020070071A1

    公开(公告)日：2002-06-13

    申请号：US09733110

    申请日：2000-12-08

    发明人： Scott N. Schuh

    IPC分类号： B62D005/06 ,  B62D007/06

    CPC分类号： B62D5/065 ,  F15B11/165 ,  F15B21/08 ,  F15B2211/20538 ,  F15B2211/30525 ,  F15B2211/3056 ,  F15B2211/50536 ,  F15B2211/513 ,  F15B2211/5157 ,  F15B2211/526 ,  F15B2211/528 ,  F15B2211/565 ,  F15B2211/6054 ,  F15B2211/6336 ,  F15B2211/7053 ,  F15B2211/71

    摘要： A power machine includes one or more steerable wheels. The wheels are steerable using a hydraulic actuator to drive steering movement of the wheels. The power machine also includes steering angle sensors which sense the steering angle and provide a signal indicative of the angle at which the wheels are disposed relative to a longitudinal axis of the power machine. A hydraulic control system controls pressure of hydraulic fluid provided to the steering actuators based upon the steer angle position and desired change in position over time sensed by the steer angle sensors.

    摘要翻译： 动力机器包括一个或多个可转向轮。 使用液压执行器来驱动车轮可以驱动车轮的转向运动。 动力机器还包括转向角传感器，其感测转向角并且提供指示相对于动力机器的纵向轴线设置车轮的角度的信号。 液压控制系统基于转向角位置和由转向角传感器感测到的期望的位置变化来控制提供给转向致动器的液压流体的压力。

    Control system
    72.
    发明申请
    Control system 失效
    控制系统

    公开(公告)号：US20020042324A1

    公开(公告)日：2002-04-11

    申请号：US09945542

    申请日：2001-09-02

    发明人： Ivo Agner

    IPC分类号： B60K041/12

    CPC分类号： F16D48/04 ,  F15B11/028 ,  F15B2211/20538 ,  F15B2211/50536 ,  F15B2211/50554 ,  F15B2211/5151 ,  F15B2211/528 ,  F15B2211/55 ,  F15B2211/565 ,  F15B2211/6355 ,  F15B2211/6653 ,  F15B2211/76 ,  F16D25/14 ,  F16D48/02 ,  F16D2048/0209 ,  F16H61/0021 ,  F16H61/66272 ,  Y10T477/619

    摘要： A method and a control system for supplying a working medium to a hydraulically-operated device. The working medium pressure is adjusted as a function of a control variable provided by a pressure control valve or a pressure reduction valve, both within a nominal working pressure range and also within a maximum working pressure range that lies between the nominal range and a system pressure value. For the same change in the control variable, the working medium pressure is changed by a greater amount in the maximum pressure range than it is in the nominal pressure range. Thus, in the nominal pressure range a precise adjustment of the working pressure can be made, and in the maximum pressure range a larger working pressure adjustment can be made to respond to suddenly increased external forces that act on the hydraulic device.

    摘要翻译： 一种用于向液压操作装置供给工作介质的方法和控制系统。 工作介质压力作为由压力控制阀或减压阀提供的控制变量的函数进行调整，两者在标称工作压力范围内，也在位于标称范围和系统压力之间的最大工作压力范围内 值。 对于控制变量的相同变化，工作介质压力在最大压力范围内比在标称压力范围内更大的量改变。 因此，在公称压力范围内，可以精确地调整工作压力，并且在最大压力范围内可以进行更大的工作压力调节，以响应突然增加的作用在液压装置上的外力。

    Seat valve
    73.
    发明授权
    Seat valve 有权
    座阀

    公开(公告)号：US06237624B1

    公开(公告)日：2001-05-29

    申请号：US09301628

    申请日：1999-04-29

    申请人： Georg Neumair

    发明人： Georg Neumair

    IPC分类号： G05D1610

    CPC分类号： G05D16/10 ,  F15B11/028 ,  F15B2211/30525 ,  F15B2211/3111 ,  F15B2211/31576 ,  F15B2211/327 ,  F15B2211/50554 ,  F15B2211/5151 ,  F15B2211/526 ,  F15B2211/565 ,  F15B2211/6309 ,  F15B2211/6653 ,  H01H35/26 ,  Y10T137/7825 ,  Y10T137/8242 ,  Y10T137/8326

    摘要： A seat valve for regulating hydraulic pressure to an adjustable value comprises: a valve seat located between a first chamber having not regulated high pressure and a second chamber having said regulated pressure with said regulated value, a seat valve closure member movable in said first chamber in relation to said valve seat, and a control piston in said second chamber for engagement at said seat valve closure member, said control piston being located counter to the regulated pressure by an adjustable regulating force. Said control piston is coupled with a position detector in motion transmitting fashion. A signal can be generated by said position detector which signal has a predetermined and essentially constant proportion to the respective value of the regulated pressure within the entire adjustment range of the leakage-proof operating seat valve.

    摘要翻译： 一种用于将液压调节到可调整值的座阀包括：阀座，位于不具有高压压力的第一腔室和具有所述调节压力的第二腔室之间具有所述调节值;座阀闭合构件，其可在所述第一腔室中移动 与所述阀座的关系，以及在所述第二室中的控制活塞，用于在所述座阀关闭构件处接合，所述控制活塞通过可调整的调节力与所述调节压力相对。 所述控制活塞以运动传递方式与位置检测器联接。 可以由所述位置检测器产生信号，该信号在防漏操作座阀的整个调节范围内与调节压力的相应值具有预定且基本恒定的比例。

    Cylinder apparatus and method of controlling same
    74.
    发明授权
    Cylinder apparatus and method of controlling same 失效
    气缸装置及其控制方法

    公开(公告)号：US5365827A

    公开(公告)日：1994-11-22

    申请号：US9072

    申请日：1993-01-26

    申请人： Masatoshi Morita

    发明人： Masatoshi Morita

    IPC分类号： F15B11/06 ,  F15B11/048 ,  F01B25/26 ,  F01B1/00 ,  F01B31/12

    CPC分类号： F15B11/048 ,  F15B2211/3052 ,  F15B2211/30525 ,  F15B2211/3138 ,  F15B2211/31558 ,  F15B2211/31576 ,  F15B2211/327 ,  F15B2211/40584 ,  F15B2211/41527 ,  F15B2211/50554 ,  F15B2211/5151 ,  F15B2211/526 ,  F15B2211/565 ,  F15B2211/6303 ,  F15B2211/6336 ,  F15B2211/665 ,  F15B2211/6653 ,  F15B2211/75 ,  F15B2211/755

    摘要： A cylinder apparatus and a method of controlling the same allow an object to be moved at high speed and provide a decelerating force that can be changed with ease in conformity with the type of object. The apparatus includes a cylinder, a piston, an air supply source, a first pressure regulator for feeding compressed air of a first pressure into one chamber of the cylinder, a second pressure regulator for feeding compressed air of a second pressure into a second chamber of the cylinder, a first solenoid valve, a second solenoid valve, a deceleration-position sensor for sensing a position at which the piston begins deceleration, a stopping-position sensor for sensing that the piston is situated at an end of the cylinder, and controller for controlling the first and second solenoid valves.

    摘要翻译： 气缸装置及其控制方法允许物体以高速移动并提供能够根据物体的类型容易地改变的减速力。 该装置包括气缸，活塞，空气供应源，用于将第一压力的压缩空气输送到气缸的一个室中的第一压力调节器，用于将第二压力的压缩空气供给到第二室的第二室中的第二压力调节器 气缸，第一电磁阀，第二电磁阀，用于感测活塞开始减速的位置的减速位置传感器，用于感测活塞位于气缸的端部的停止位置传感器，以及控制器 用于控制第一和第二电磁阀。

    Fluid pressure control valve
    76.
    发明授权
    Fluid pressure control valve 失效
    流体压力控制阀

    公开(公告)号：US3792908A

    公开(公告)日：1974-02-19

    申请号：US3792908D

    申请日：1971-09-22

    申请人： DUNLOP HOLDINGS LTD

    发明人： BREWSTER A ,  HARVEY S ,  MORTIMER F

    IPC分类号： B60T8/50 ,  F15B11/02 ,  B60T8/02

    CPC分类号： B60T8/5056 ,  F15B11/02 ,  F15B2211/50554 ,  F15B2211/5158 ,  F15B2211/526 ,  F15B2211/528 ,  F15B2211/565 ,  F15B2211/575 ,  F15B2211/6336 ,  F15B2211/6653 ,  F15B2211/715 ,  Y10T137/2544

    摘要： A fluid pressure control valve for maintaining the fluid pressure supplied to an associated fluid pressure operated device at or as near a selected value as the operating conditions of the associated fluid pressure operated device indicate to be appropriate. The valve comprises a housing incorporating a spindle axially displaceable in a spindle chamber against spring means by the selected pressure, the spring means being arranged to act between the spindle and a movable abutment. The arrangement of the spindle is such that at any given moment the level of fluid pressure supplied to the associated device by the valve is proportional to the spring force exerted on the spindle by the spring means at that moment, this spring force being normally proportional to the selected pressure thus ensuring that the selected pressure is supplied to the associated device. The spring force is also variable in response to movement of the movable abutment, resulting from a change in the operating conditions of the associated device necessitating a change in the pressure applied to the fluid pressure operated device, under the control of valve means, of which the following is a specification.

    摘要翻译： 一种流体压力控制阀，用于在相关的流体压力操作装置的操作条件指示为适当的情况下将供应给相关的流体压力操作装置的流体压力保持在或接近选定值。 所述阀包括壳体，所述壳体包括主轴，所述主轴在所述主轴室中可通过所选择的压力抵靠弹簧装置轴向移动，所述弹簧装置布置成在所述主轴和可移动的支座之间作用。 主轴的布置使得在任何给定的时刻，通过阀提供给相关装置的流体压力水平与弹簧装置在此时施加在主轴上的弹簧力成比例，该弹簧力通常与 所选择的压力因此确保所选择的压力被提供给相关联的装置。 由于相关装置的操作条件的变化，弹簧力也可以响应于由阀装置控制的施加到流体压力作用装置的压力的变化而导致的运动基座的移动，其中阀装置 以下是规范。