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公开(公告)号：US11420657B2
公开(公告)日：2022-08-23
申请号：US16763190
申请日：2018-09-17
发明人： Jürgen Muhr , Ulrich Wermund , Eduard Nies , Mark A. Sterrett
摘要： A levelling system for a vehicle, in particular a rail vehicle, includes at least one levelling cylinder and a levelling piston. The levelling piston is at least partially provided in the levelling cylinder in a movable manner for setting the level of the rail vehicle. Further, the levelling system includes at least one guiding element, which is arranged within the levelling piston and partially protrudes from the levelling piston into at least one recess of the levelling cylinder such that an end stop in a longitudinal direction is provided for the relative movement between the levelling piston and the levelling cylinder.
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公开(公告)号：US11352029B2
公开(公告)日：2022-06-07
申请号：US16763148
申请日：2018-09-17
发明人： Mark A. Sterrett
IPC分类号： B61F5/22 , B60G17/027
摘要： A level control system adjusts the level of a rail vehicle, and includes at least one level control cylinder and a level control piston. The level control piston is at least partly received in the level control cylinder in a movable manner. The level control system has at least one first hydraulic connection, wherein the level control cylinder or the level control piston has a collared shoulder, in which at least one first fluid channel connected to the first hydraulic connection is arranged. At least one first attachment for receiving the first hydraulic connection is provided along the collared shoulder, the first attachment, being arranged on the collared shoulder tangentially to the longitudinal axis of the level control cylinder or of the level control piston such that at least one tangential external fluid connection on the collared shoulder can be connected to the at least one first hydraulic connection.
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公开(公告)号：US11787450B2
公开(公告)日：2023-10-17
申请号：US16762095
申请日：2018-09-17
发明人： Ulrich Wermund , Mark A. Sterrett , Jurgen Muhr , Eduard Nies
IPC分类号： B61F5/22
CPC分类号： B61F5/22 , B60G2300/10 , B60G2500/30
摘要： A level control system adjusts the level of a vehicle, in particular a rail vehicle, and includes at least one level control cylinder and a level control piston. The level control piston is at least partly received in the level control cylinder in a movable manner. The level control cylinder has a collar-shaped shoulder, and the level control system has a first fixing disc which is connected to the level control piston in order to transmit a lifting movement. At least one spacer element is arranged between the collar-shaped shoulder of the level control cylinder and the first fixing disc.
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公开(公告)号：US11608093B2
公开(公告)日：2023-03-21
申请号：US16762847
申请日：2018-09-17
发明人： Jürgen Muhr , Ulrich Wermund , Eduard Nies , Mark A. Sterrett
IPC分类号： B61F5/22 , B60G17/027
摘要： A level control system adjusting the level of a vehicle, in particular a rail vehicle, and includes at least one level control cylinder and a level control piston, which is at least partially movably accommodated in the level control cylinder. Accordingly, the level control piston may have a substantially continuous outer diameter.
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