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1. 发明授权

US06612393B2 Steering system for motor vehicles 失效
公开(公告)号：US06612393B2
公开(公告)日：2003-09-02
申请号：US10052674
申请日：2002-01-17
申请人： Hubert Bohner , Rainer Freitag , Mathias Hartl , Wolfgang Schrock , Tobias Speidel
发明人： Hubert Bohner , Rainer Freitag , Mathias Hartl , Wolfgang Schrock , Tobias Speidel
IPC分类号： B62D500
CPC分类号： B62D5/06 , B62D5/003
摘要： A steering system functions in accordance with the “steer by wire” concept and has a normal operating system without positive coupling between the steering handle and the steered vehicle wheels, as well as an emergency operating system, which functions with positive coupling between the steered vehicle wheels and the steering handle. An auxiliary operating system is additionally provided, which, in response to malfunctions of the normal operating system, assumes its tasks and, in a transitional phase, adapts the performance characteristics of the steering system to those of the emergency system, which is switched on upon conclusion of the transitional phase. Thus, at the transition from the normal operating system to the emergency operating system, the driver is given time to become accustomed to the other steering performance.

2. 发明授权

US06269903B1 Steering system for a vehicle 失效
标题翻译：车辆转向系统
公开(公告)号：US06269903B1
公开(公告)日：2001-08-07
申请号：US09396409
申请日：1999-09-15
申请人： Hubert Bohner , Mathias Hartl , Martin Moser , Wolfgang Schrock
发明人： Hubert Bohner , Mathias Hartl , Martin Moser , Wolfgang Schrock
IPC分类号： B62D506
CPC分类号： B62D5/30 , B62D5/06
摘要： High functional reliability for a vehicle steering system that can be switched between a normal mode with a steer-by-wire level and an emergency mode with a fall-back level is achieved by providing that the fall-back level has a hydraulic system which contains a manual-side double-acting piston-cylinder unit which is actuated with a steering handle, e.g. steering wheel. The unit is positively coupled hydraulically to a wheel-side double-acting piston-cylinder unit which actuates steered vehicle wheels. A hydraulic charging system has a hydraulic pump, the inlet side of which is connected to a hydraulic-fluid reservoir. Switchable hydraulic couplings are provided for hydraulically coupling and decoupling the hydraulic system of the fall-back level and the hydraulic charging system to and from one another, respectively.
摘要翻译：通过提供回退水平具有液压系统来实现可以在通过线控转向水平的正常模式和具有回退水平的紧急模式之间切换的车辆转向系统的高功能可靠性，手动侧双作用活塞缸单元，其由转向手柄致动，例如，方向盘。该单元液压地联接到致动转向车轮的车轮侧双作用活塞 - 气缸单元。液压充注系统具有液压泵，其入口侧连接到液压油箱。提供可切换液压联轴器，用于分别液压耦合和分离回落液位系统和液压收费系统。

3. 发明授权

US06279673B1 Steering system for a vehicle equipped with a traffic-lane following device 失效
标题翻译：配备行车道跟随装置的车辆转向系统
公开(公告)号：US06279673B1
公开(公告)日：2001-08-28
申请号：US09376531
申请日：1999-08-18
申请人： Hubert Bohner , Martin Moser , Wolfgang Schrock
发明人： Hubert Bohner , Martin Moser , Wolfgang Schrock
IPC分类号： B62D506
CPC分类号： B62D15/025 , B60T2201/08 , B60T2201/087 , B62D1/28
摘要： In order to allow a traffic-lane following device in a vehicle to be used at relatively high vehicle speeds, a steering system is provided with a steering handle and a steering run which couples the steering handle to vehicle steered wheels. A servomotor is coupled to the steering run. A servovalve is arranged in the steering run and has a first control part (which is associated with a section on the steering handle side of the steering run) as well as a second control part (which is associated with a section on the vehicle steered wheel side of the steering run) to operate the servomotor as a function of relative movements between the control parts. An actuating drive is coupled to the section on the steering handle side of the steering run and is used to produce a steering force. A regulating and control arrangement uses a sensor system to determine required steering angle values which allow a traffic lane to be followed and uses a steering angle sensor to determine actual steering angle values. The actuating drive is operated as a function of a comparison of the required and actual steering angles, in which the steering angle sensor interacts with the section on the vehicle steered wheel side of the steering run.
摘要翻译：为了允许车辆中的行车道跟随装置以相对较高的车速使用，转向系统设置有转向手柄和将转向手柄耦合到车辆转向轮的转向运行。伺服电机与转向运行相连。伺服阀设置在转向运行中，并且具有第一控制部分（与转向运行的转向手柄侧的部分相关联）以及第二控制部分（其与车辆转向轮上的部分相关联）作为转向运行的一侧），作为控制部件之间的相对运动的函数来操作伺服电动机。致动驱动器联接到转向运行的转向手柄侧的部分，并用于产生转向力。调节和控制装置使用传感器系统来确定所需的转向角值，其允许跟随行车道并且使用转向角传感器来确定实际的转向角度值。驱动驱动器是根据所需和实际的转向角的比较来操作的，其中转向角传感器与转向运行的车辆转向轮侧的部分相互作用。

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