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公开(公告)号：US20230204087A1
公开(公告)日：2023-06-29
申请号：US17922698
申请日：2020-09-30
发明人： Xingwu DING , Jiling BU , Haitao CHENG , Wensong LIU , Bo ZOU , Jun LUO , Feng WANG , Jicao ZOU , Zhangyang XIA
IPC分类号： F16F13/14
CPC分类号： F16F13/1463 , F16F13/1454 , F16F13/1481
摘要： A hydraulic composite bushing includes: a core shaft, with a continuously spiral fluid channel groove; a rubber member, arranged around the core shaft, and having two recesses formed radially outside of the fluid channel groove and radially opposite to each other; a support ring arranged around the rubber member; an outer cover pressing on the support ring from a radially outer side thereof; and a sealing device provided at each end of a fluid channel tube arranged within the fluid channel groove. Two ends of the fluid channel tube pass through the rubber member radially to extend into two hydraulic chambers respectively, with the hydraulic chambers in communication with each other through the fluid channel tube. One end of the sealing device is arranged inside the flow channel groove and the other end thereof passes through the rubber member to extend into the hydraulic chambers.
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2.发明公开公开(公告)号：US20240270291A1
公开(公告)日：2024-08-15
申请号：US18565520
申请日：2022-04-29
发明人： Jun ZHOU , Canhui CHEN , Yan LUO , Wei LI , Xiang YIN , Lida WANG , Xiaohu WANG , Haitao CHENG , Wensong LIU , Sheng LIN
IPC分类号： B61F5/38
CPC分类号： B61F5/386
摘要： A method for improving the curvilinear running speed of railway vehicles and the small tilting system: when the railway vehicle is driven on a curve, the raising and falling of air springs on both sides of the railway vehicle are controlled by a control assembly to realize small tilting of the railway vehicle toward the inner side of the curve; the transverse component of gravity after the small tilting of the railway vehicle is used for balancing part of the centrifugal force and reducing the influence of the centrifugal force, thereby improving the curve driving speed of the railway vehicle; and at the same time, an adjustable torsion bar system is controlled to provide a unidirectional anti-rolling torque for preventing the railway vehicle from rolling toward the outer side of the curve without hindering the railway vehicle from tilting slightly toward the inner side of the curve.
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