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公开(公告)号：US09909638B2
公开(公告)日：2018-03-06
申请号：US15367301
申请日：2016-12-02
IPC分类号： F16F9/49 , F16F9/516 , F16F9/19 , B60G13/08 , B60G15/06 , F16F9/36 , F16F13/00 , B60G17/08 , F16F9/06
CPC分类号： F16F9/516 , B60G13/08 , B60G15/061 , B60G17/08 , B60G2202/24 , B60G2500/10 , B60G2800/16 , F16F9/065 , F16F9/19 , F16F9/3214 , F16F9/34 , F16F9/3465 , F16F9/36 , F16F9/49 , F16F9/585 , F16F13/007 , F16F2228/066
摘要： A hydraulic suspension damper includes a tube having an opened end and a closed end defining a compartment. A main piston is disposed in the compartment dividing the compartment into a compression chamber and a rebound chamber. A piston rod is attached to the main piston. A rod guide is disposed at said opened end. A stroke stop arrangement includes an insert and an additional piston attached to the piston rod. The insert has a narrowed section including an inner surface defining at least one recess between the distal end and the rod guide and extends axially along the insert in fluid communication with the compression chamber for allowing working liquid flow from the rebound chamber to the compression chamber during the rebound stroke. The at least one recess includes three recesses disposed equidistantly and spaced from one another.
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公开(公告)号：US20180163813A1
公开(公告)日：2018-06-14
申请号：US15892368
申请日：2018-02-08
CPC分类号： F16F9/516 , B60G13/08 , B60G15/061 , B60G17/08 , B60G2202/24 , B60G2500/10 , B60G2800/16 , F16F9/065 , F16F9/19 , F16F9/3214 , F16F9/34 , F16F9/3465 , F16F9/36 , F16F9/49 , F16F9/585 , F16F13/007 , F16F2228/066
摘要： A hydraulic suspension damper includes a tube having an opened end and a closed end defining a compartment. A main piston is disposed in the compartment dividing the compartment into a compression chamber and a rebound chamber. A piston rod is attached to the main piston. A rod guide is disposed at said opened end. A stroke stop arrangement includes an insert and an additional piston attached to the piston rod. The insert has a narrowed section including an inner surface defining at least one recess between the distal end and the rod guide and extends axially along the insert in fluid communication with the compression chamber for allowing working liquid flow from the rebound chamber to the compression chamber during the rebound stroke. The at least one recess includes three recesses disposed equidistantly and spaced from one another.
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公开(公告)号：US10850584B2
公开(公告)日：2020-12-01
申请号：US15584896
申请日：2017-05-02
发明人： Dominik Kasprzyk , Grzegorz Gasior
摘要： A damper housing disposed on a center axis includes an extended mains section and a narrowed end section. The narrowed end section has a second predetermined wall thickness less than the first predetermined wall thickness of the extended main section. An intermediate conical section, connecting the narrowed end section and the extended main section, has an intermediate conical section wall thickness equal to the second predetermined wall thickness at an internal inclination angle relative to the center axis. A method for manufacturing the damper housing using a preformed tube, a first broaching die, a calibrating mandrel, and a swaging die is performed by compressing the preformed tube between the first broaching die and the narrowed head of the calibrating mandrel and compressing the preformed tube between the swaging die and the intermediary section of the calibrating mandrel to form the narrowed end section and the intermediate conical section, respectively.
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公开(公告)号：US20170349020A1
公开(公告)日：2017-12-07
申请号：US15584896
申请日：2017-05-02
发明人： Dominik Kasprzyk , Grzegorz Gasior
摘要： A damper housing disposed on a center axis includes an extended mains section and a narrowed end section. The narrowed end section has a second predetermined wall thickness less than the first predetermined wall thickness of the extended main section. An intermediate conical section, connecting the narrowed end section and the extended main section, has an intermediate conical section wall thickness equal to the second predetermined wall thickness at an internal inclination angle relative to the center axis. A method for manufacturing the damper housing using a preformed tube, a first broaching die, a calibrating mandrel, and a swaging die is performed by compressing the preformed tube between the first broaching die and the narrowed head of the calibrating mandrel and compressing the preformed tube between the swaging die and the intermediary section of the calibrating mandrel to form the narrowed end section and the intermediate conical section, respectively.
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公开(公告)号：US10107351B2
公开(公告)日：2018-10-23
申请号：US15892368
申请日：2018-02-08
IPC分类号： F16F9/49 , F16F9/516 , B60G17/08 , F16F9/58 , B60G13/08 , B60G15/06 , F16F9/19 , F16F9/36 , F16F13/00 , F16F9/346 , F16F9/32 , F16F9/34 , F16F9/06
摘要： A hydraulic suspension damper includes a tube having an opened end and a closed end defining a compartment. A main piston is disposed in the compartment dividing the compartment into a compression chamber and a rebound chamber. A piston rod is attached to the main piston. A rod guide is disposed at said opened end. A stroke stop arrangement includes an insert and an additional piston attached to the piston rod. The insert has a narrowed section including an inner surface defining at least one recess between the distal end and the rod guide and extends axially along the insert in fluid communication with the compression chamber for allowing working liquid flow from the rebound chamber to the compression chamber during the rebound stroke. The at least one recess includes three recesses disposed equidistantly and spaced from one another.
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公开(公告)号：US20170159743A1
公开(公告)日：2017-06-08
申请号：US15367301
申请日：2016-12-02
CPC分类号： F16F9/516 , B60G13/08 , B60G15/061 , B60G17/08 , B60G2202/24 , B60G2500/10 , B60G2800/16 , F16F9/065 , F16F9/19 , F16F9/3214 , F16F9/34 , F16F9/3465 , F16F9/36 , F16F9/49 , F16F9/585 , F16F13/007 , F16F2228/066
摘要： A hydraulic suspension damper includes a tube having an opened end and a closed end defining a compartment. A main piston is disposed in the compartment dividing the compartment into a compression chamber and a rebound chamber. A piston rod is attached to the main piston. A rod guide is disposed at said opened end. A stroke stop arrangement includes an insert and an additional piston attached to the piston rod. The insert has a narrowed section including an inner surface defining at least one recess between the distal end and the rod guide and extends axially along the insert in fluid communication with the compression chamber for allowing working liquid flow from the rebound chamber to the compression chamber during the rebound stroke. The at least one recess includes three recesses disposed equidistantly and spaced from one another.
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