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公开(公告)号：US11459002B2
公开(公告)日：2022-10-04
申请号：US16575308
申请日：2019-09-18
发明人： Jingjun Zhang , Bret D. Worden , Ibrahim Kacar , John Frederick
摘要： Systems and methods for reducing slack in a linkage chain of a vehicle truck assembly is provided. In one example, a method includes compressing a vehicle suspension by actuating an actuator with a cylinder abutted to a piston rod, the piston rod coupled to the vehicle suspension and, when deactivating the actuator, maintaining at least nominal compression on the vehicle suspension with the piston rod spaced away from a piston of the cylinder via a biasing member, the piston configured to slide within the cylinder along a central axis of the cylinder.
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公开(公告)号：US11713063B2
公开(公告)日：2023-08-01
申请号：US17808947
申请日：2022-06-24
发明人： Jingjun Zhang , Bret D. Worden , Ibrahim Kacar , John Frederick
摘要： A method for reducing slack in a linkage chain of a vehicle truck assembly is provided. In one example, the method includes responding to a request to de-lift a lift mechanism by reducing pressure in an actuator coupled to the lift mechanism, where the lift mechanism is configured to transfer a load from a first axle to a second axle of the vehicle during the de-lift, and during the de-lift, maintaining the pressure in the actuator at or above a threshold pressure to maintain tension in a weight transfer device of the lift mechanism.
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公开(公告)号：US20220324492A1
公开(公告)日：2022-10-13
申请号：US17808947
申请日：2022-06-24
发明人： Jingjun Zhang , Bret D. Worden , Ibrahim Kacar , John Frederick
摘要： A method for reducing slack in a linkage chain of a vehicle truck assembly is provided. In one example, the method includes responding to a request to de-lift a lift mechanism by reducing pressure in an actuator coupled to the lift mechanism, where the lift mechanism is configured to transfer a load from a first axle to a second axle of the vehicle during the de-lift, and during the de-lift, maintaining the pressure in the actuator at or above a threshold pressure to maintain tension in a weight transfer device of the lift mechanism
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公开(公告)号：US20210078615A1
公开(公告)日：2021-03-18
申请号：US16575308
申请日：2019-09-18
发明人： Jingjun Zhang , Bret D. Worden , Ibrahim Kacar , John Frederick
摘要： Systems and methods for reducing slack in a linkage chain of a vehicle truck assembly is provided. In one example, a method includes compressing a vehicle suspension by actuating an actuator with a cylinder abutted to a piston rod, the piston rod coupled to the vehicle suspension and, when deactivating the actuator, maintaining at least nominal compression on the vehicle suspension with the piston rod spaced away from a piston of the cylinder via a biasing member, the piston configured to slide within the cylinder along a central axis of the cylinder.
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