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    • 3. 发明授权
    • Steer by wire control system
    • 导线控制系统
    • US08660754B2
    • 2014-02-25
    • US12191393
    • 2008-08-14
    • John KristensenPreben AlbrechtSteve CrowKjeld Buus Jensen
    • John KristensenPreben AlbrechtSteve CrowKjeld Buus Jensen
    • B62D6/00
    • B62D6/002B63H25/02
    • The invention provides a steering system for a vehicle, a ship etc. The steering system has a steering handle for the operator of the vehicle, a set of signal processors, a sensor which determines a position of the steered element of the vehicle, and a controller which moves the steered element. The steered element could e.g. be the front wheels of a car. The signal processors are adapted to determine an error between the desired position of the steered element and an actual position of the steered element. In order to make the steering system more fault tolerant, the error signal is amplified based on the speed by which the steering handle is moved, and an error in the sensor therefore becomes less critical. The invention further provides a steering method, a steering control unit and a vehicle provided with a steering system of the mentioned kind.
    • 本发明提供了一种用于车辆,船舶等的转向系统。转向系统具有用于车辆操作者的转向手柄,一组信号处理器,确定车辆转向元件的位置的传感器,以及 移动转向元件的控制器。 转向元件可以例如。 作为汽车的前轮。 信号处理器适于确定转向元件的期望位置与转向元件的实际位置之间的误差。 为了使转向系统更容错,误差信号基于转向手柄移动的速度被放大,因此传感器的误差变得不太关键。 本发明还提供了一种转向方法,转向控制单元和具有上述类型的转向系统的车辆。
    • 4. 发明授权
    • Hydraulic steering
    • 液压转向
    • US07770687B2
    • 2010-08-10
    • US11740371
    • 2007-04-26
    • Richard Thomas EntwistleCarl Christian DixenSteve Crow
    • Richard Thomas EntwistleCarl Christian DixenSteve Crow
    • B62D5/06
    • B62D5/091B62D5/003
    • The invention concerns a hydraulic steering with a steering motor arrangement having at least one steering motor, and with at least two steering circuits, each having a steering valve that interrupts a path from a pressure supply to the steering motor arrangement in the neutral position and releases a path from the pressure supply to the steering motor arrangement on a movement out of the neutral position. It is endeavored to simplify the embodiment of such a steering. For this purpose, the steering valve (5a, 5b) has two end positions, one on each side of the neutral position, in which positions a path from the pressure supply (15, 21) to the steering motor arrangement (2) is interrupted.
    • 本发明涉及一种具有转向电动机装置的液压转向装置,其具有至少一个转向电动机,并且具有至少两个转向电路,每个转向电路具有转向阀,该转向阀中断在空档位置处的压力供应至转向电动机装置的路径并释放 在从中性位置移动的压力供给到转向电动机装置的路径。 为了简化这种转向装置的实施例而努力。 为此,转向阀(5a,5b)具有两个端部位置,一个位于中立位置的每一侧,在该位置处,从压力供应(15,21)到转向电动机装置(2)的路径被中断 。
    • 5. 发明申请
    • HYDRAULIC STEERING
    • 液压转向
    • US20070251755A1
    • 2007-11-01
    • US11740371
    • 2007-04-26
    • Richard Thomas EntwistleCarl Christian DixenSteve Crow
    • Richard Thomas EntwistleCarl Christian DixenSteve Crow
    • B62D5/06
    • B62D5/091B62D5/003
    • The invention concerns a hydraulic steering with a steering motor arrangement having at least one steering motor, and with at least two steering circuits, each having a steering valve that interrupts a path from a pressure supply to the steering motor arrangement in the neutral position and releases a path from the pressure supply to the steering motor arrangement on a movement out of the neutral position. It is endeavoured to simplify the embodiment of such a steering. For this purpose, the steering valve (5a, 5b) has two end positions, one on each side of the neutral position, in which positions a path from the pressure supply (15, 21) to the steering motor arrangement (2) is interrupted.
    • 本发明涉及一种具有转向电动机装置的液压转向装置,其具有至少一个转向电动机,并且具有至少两个转向电路,每个转向电路具有转向阀,该转向阀中断在空档位置处的压力供应至转向电动机装置的路径并释放 在从中性位置移动的压力供给到转向电动机装置的路径。 为了简化这种转向装置的实施例而努力。 为此,转向阀(5a,5b)具有两个端部位置,一个位于中立位置的每一侧,在该位置处,从压力供应(15,21)到转向电动机装置(2)的路径 被中断
    • 6. 发明申请
    • Inflow control device with passive shut-off feature
    • 具有被动关闭功能的流入控制装置
    • US20060076150A1
    • 2006-04-13
    • US11219511
    • 2005-09-02
    • Martin CoronadoSteve CrowKnut Henriksen
    • Martin CoronadoSteve CrowKnut Henriksen
    • E21B43/12
    • E21B34/10E21B34/08E21B43/12E21B43/14E21B43/32E21B2034/005
    • Devices and methods for control flow of formation fluids respect to one or more selected parameter relating to the wellbore fluid. In one embodiment, a flow control device for controlling fluid flow into the production tubular uses a flow restriction member that is actuated by a character change of the formation fluid, such as liquid to gas or oil to water. The flow restriction member can be sensitive to a change in density of the formation fluid. The flow restriction member is passive, self-regulating and does not need any power source or control signal to control fluid flow. In one embodiment, the flow control device automatically rotates into a predetermined orientation upon being positioned in the wellbore. A seal disposed on the flow control devices expands into sealing engagement with an enclosure after the flow control device assumed the desired predetermined position.
    • 用于控制地层流体流动的装置和方法相对于与井眼流体有关的一个或多个选定参数。 在一个实施例中,用于控制进入生产管道的流体流动的流量控制装置使用流动限制构件,该流动限制构件通过地层流体(例如液体对气体或油对水)的性质改变而被致动。 流动限制构件可以对地层流体的密度变化敏感。 流量限制构件是被动的,自调节的,并且不需要任何电源或控制信号来控制流体流动。 在一个实施例中,流量控制装置在定位在井筒中时自动地旋转成预定的方位。 设置在流量控制装置上的密封件在流量控制装置假定期望的预定位置之后膨胀成与外壳密封接合。
    • 7. 发明申请
    • STEER BY WIRE CONTROL SYSTEM
    • 电线控制系统
    • US20090048736A1
    • 2009-02-19
    • US12191393
    • 2008-08-14
    • John KristensenPreben AlbrechtSteve CrowKjeld Buus Jensen
    • John KristensenPreben AlbrechtSteve CrowKjeld Buus Jensen
    • B62D6/00
    • B62D6/002B63H25/02
    • The invention provides a steering system for a vehicle, a ship etc. The steering system has a steering handle for the operator of the vehicle, a set of signal processors, a sensor which determines a position of the steered element of the vehicle, and a controller which moves the steered element. The steered element could e.g. be the front wheels of a car. The signal processors are adapted to determine an error between the desired position of the steered element and an actual position of the steered element. In order to make the steering system more fault tolerant, the error signal is amplified based on the speed by which the steering handle is moved, and an error in the sensor therefore becomes less critical. The invention further provides a steering method, a steering control unit and a vehicle provided with a steering system of the mentioned kind.
    • 本发明提供了一种用于车辆,船舶等的转向系统。转向系统具有用于车辆操作者的转向手柄,一组信号处理器,确定车辆转向元件的位置的传感器,以及 移动转向元件的控制器。 转向元件可以例如。 作为汽车的前轮。 信号处理器适于确定转向元件的期望位置与转向元件的实际位置之间的误差。 为了使转向系统更容错,误差信号基于转向手柄移动的速度被放大,因此传感器的误差变得不太关键。 本发明还提供了一种转向方法,转向控制单元和具有上述类型的转向系统的车辆。