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    • 2. 发明申请
    • Valve for a hydraulic power steering
    • 液压动力转向阀
    • US20050268975A1
    • 2005-12-08
    • US11144394
    • 2005-06-03
    • Martin Boecker
    • Martin Boecker
    • B62D5/083
    • B62D5/0835Y10T137/86638
    • In a valve for a hydraulic power steering, comprising a first valve element and a second valve element which from a central position can be rotatably displaced relative to each other to a limited extent in the one or other direction in order to generate a steering assistance, it is provided that one of the valve elements can be rotatably displaced from a neutral position into the one or other direction relative to an associated shaft and that a coupling mechanism is provided which limits the displacement in rotation of the valve element relative to the shaft and urges the valve element into the neutral position.
    • 在用于液压动力转向器的阀中,包括第一阀元件和第二阀元件,该第一阀元件和第二阀元件可以在一个或另一个方向上相对于彼此以可旋转的方式可旋转地移位以产生转向辅助, 提供了一个阀元件可以相对于相关联的轴从中性位置旋转地移动到一个或另一个方向,并且提供了一个联接机构,其限制了阀元件相对于轴的旋转位移,并且 促使阀元件进入中立位置。
    • 3. 发明申请
    • METHOD TO ACTIVELY TRIGGER A SERVO VALVE
    • 用于触发伺服阀的方法
    • US20090000466A1
    • 2009-01-01
    • US12145189
    • 2008-06-24
    • Martin BoeckerHeinz-Dieter Heitzer
    • Martin BoeckerHeinz-Dieter Heitzer
    • B62D5/09B62D5/083
    • B62D5/0835B62D5/09B62D6/008Y10T137/86638
    • A method to actively trigger a servo valve of a hydraulic power steering system is disclosed herein. In the method, a present steering wheel torque is ascertained by a sensor. The method also includes the step of a desired rack-and-pinion force offset is specified. The method also includes the step of a desired steering wheel torque offset is specified. The method also includes the step of a desired shape of a power steering characteristic curve is specified. On the basis of the specified offset values, the ascertained steering wheel torque and the specified shape of the power steering characteristic curve, a setpoint is ascertained for a differential pressure at a hydraulic cylinder of the power steering system. Based on the steering wheel torque and on the setpoint for the differential pressure at the hydraulic cylinder, a setpoint is ascertained for a setting angle (φ) of a valve component. The method also includes the step of rotating an appropriate valve component of the servo valve until the setpoint of the setting angle of the valve component is reached.
    • 本文公开了一种主动触发液压动力转向系统的伺服阀的方法。 在该方法中,传感器确定当前的方向盘扭矩。 该方法还包括指定期望的齿条 - 小齿轮力偏移的步骤。 该方法还包括指定期望的方向盘扭矩偏移的步骤。 该方法还包括指定动力转向特性曲线的期望形状的步骤。 基于指定的偏移值,确定的方向盘扭矩和动力转向特性曲线的指定形状,确定动力转向系统的液压缸处的压差的设定点。 基于方向盘扭矩和液压缸上的差压设定值,确定阀部件的设定角度(phi)的设定点。 该方法还包括旋转伺服阀的适当的阀部件直到达到阀部件的设定角度的设定点的步骤。
    • 6. 发明授权
    • Hydraulic cylinder
    • 液压缸
    • US07171888B2
    • 2007-02-06
    • US11148514
    • 2005-06-09
    • Martin Boecker
    • Martin Boecker
    • F15B15/22
    • F15B11/0413F15B15/222F15B15/224
    • A hydraulic cylinder comprising a cylinder, a piston which is adjustable in the cylinder, and at least one pressure connection which is disposed in the vicinity of an end position of the piston and through which a pressure fluid can be introduced into the cylinder, is characterized in that the piston is provided with a valve element which can cooperate with the pressure connection, in order to cover the pressure connection when the piston approaches its end position, and in order to uncover the pressure connection when pressure fluid is introduced into the cylinder.
    • 一种液压缸,包括一个气缸,一个可在气缸中调节的活塞,以及至少一个压力连接件,该压力连接件设置在活塞端部附近,压力流体可以通过该压力连接件被引入气缸中。 因为活塞设置有可与压力连接配合的阀元件,以便当活塞接近其端部位置时覆盖压力连接,并且当压力流体被引入气缸时露出压力连接。
    • 7. 发明授权
    • Valve for a hydraulic power steering
    • 液压动力转向阀
    • US07100638B2
    • 2006-09-05
    • US11144394
    • 2005-06-03
    • Martin Boecker
    • Martin Boecker
    • B62D5/083
    • B62D5/0835Y10T137/86638
    • In a valve for a hydraulic power steering, comprising a first valve element and a second valve element which from a central position can be rotatably displaced relative to each other to a limited extent in the one or other direction in order to generate a steering assistance, it is provided that one of the valve elements can be rotatably displaced from a neutral position into the one or other direction relative to an associated shaft and that a coupling mechanism is provided which limits the displacement in rotation of the valve element relative to the shaft and urges the valve element into the neutral position.
    • 在用于液压动力转向器的阀中,包括第一阀元件和第二阀元件,该第一阀元件和第二阀元件可以在一个或另一个方向上相对于彼此以可旋转的方式可旋转地移位以产生转向辅助, 提供了一个阀元件可以相对于相关联的轴从中性位置旋转地移动到一个或另一个方向,并且提供了一个联接机构,其限制了阀元件相对于轴的旋转位移,并且 促使阀元件进入中立位置。