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1. 发明授权

US06354617B1 Level control for a vehicle having air springs 失效
标题翻译：具有空气弹簧的车辆的液位控制
公开(公告)号：US06354617B1
公开(公告)日：2002-03-12
申请号：US09556428
申请日：2000-04-24
申请人： Christoph Behmenburg , Uwe Folchert , Heinz Job , Helge Westerkamp
发明人： Christoph Behmenburg , Uwe Folchert , Heinz Job , Helge Westerkamp
IPC分类号： B60G700
CPC分类号： B60G17/0523 , B60G2500/2012 , Y10T137/2521 , Y10T137/86919 , Y10T137/87225
摘要： The invention relates to a level control arrangement for vehicles having air springs (6a) to (6d) and a pneumatically controllable directional valve (26). A residual pressure holding function and an overpressure function are integrated into the directional valve (26). The directional valve (26) is controlled by the air pressure in the air springs (6a) to (6d). The air pressure can be applied via a control line (20) to a control input (24) of the directional valve (26). The air from the air springs (6a) to (6d) is released with the aid of the venting line (28). The venting line (28) is guided separately from the control line (20) through the directional valve (26). In this way, a large air flow can be conducted through the venting line (28) without the static air pressure in the control space (50) of the directional valve (26) being reduced. The venting line is blocked by a stepped piston (44) of the directional valve when no air is to be released from the air springs.
摘要翻译：本发明涉及一种具有空气弹簧（6a）至（6d）和可气动控制的换向阀（26）的车辆的液位控制装置。剩余压力保持功能和超压功能被集成到方向阀（26）中。方向阀（26）由空气弹簧（6a）至（6d）中的空气压力控制。空气压力可以通过控制管线（20）施加到方向阀（26）的控制输入端（24）。空气弹簧（6a）至（6d）的空气借助排气管线（28）释放。排气管路（28）通过方向阀（26）与控制管线（20）分开引导。以这种方式，可以通过排气管线28传导大的气流，而不会减少方向阀26的控制空间50中的静态空气压力。当没有空气从空气弹簧释放时，排气管线被方向阀的阶梯式活塞（44）阻挡。

2. 发明授权

US06726189B2 Closed level control system for a vehicle 有权
标题翻译：车辆闭路控制系统
公开(公告)号：US06726189B2
公开(公告)日：2004-04-27
申请号：US10103843
申请日：2002-03-25
申请人： Uwe Folchert , Christoph Behmenburg , Helge Westerkamp , Werner Grabherr , Dierk Hein
发明人： Uwe Folchert , Christoph Behmenburg , Helge Westerkamp , Werner Grabherr , Dierk Hein
IPC分类号： F16F500
CPC分类号： B60G17/0523 , B60G2400/51222 , B60G2400/52 , B60G2500/2014 , B60G2500/202 , B60G2500/30 , B60G2800/912
摘要： A closed level control system includes an air dryer (10) which is mounted in a pressurized air line (4). The compressor output (16) can be connected to the pressurized air supply vessel (12) via the pressurized air line (4). Air from the atmosphere can be transferred via an intake valve (30) into the pressurized air supply vessel (12) via the compressor and the air dryer (10). Furthermore, pressurized air can be discharged into the atmosphere from the pressurized air supply vessel (12) via the air dryer (10) and the intake valve (30). There is a flow in the opposite direction through the air dryer than when filling the pressurized air supply vessel (12) from the atmosphere. In this way, an excellent regeneration of the air dryer (10) is ensured.
摘要翻译：封闭液位控制系统包括安装在加压空气管路（4）中的空气干燥器（10）。压缩机输出（16）可以经由加压空气管路（4）连接到加压空气供应容器（12）。来自大气的空气可以经由进气阀（30）经由压缩机和空气干燥器（10）进入加压空气供给容器（12）。此外，加压空气可以经由空气干燥器（10）和进气阀（30）从加压空气供给容器（12）排出到大气中。与空气中的加压空气供应容器（12）相比，通过空气干燥器有相反方向的流动。以这种方式，确保了空气干燥器（10）的优异的再生。

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