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公开(公告)号：US08801017B2
公开(公告)日：2014-08-12
申请号：US13792154
申请日：2013-03-10
申请人： Oshkosh Corporation
发明人： Erik S. Ellifson , Patrick S. Dillman , Jason J. Zuleger , Aaron J. Rositch , Robert K. Sollenskog
CPC分类号： B60G17/08 , B60G11/265 , B60G13/08 , B60G21/073 , B60G2202/24 , B60G2500/10 , F16F9/19 , F16F9/28 , F16F9/346 , F16F9/48
摘要： A damper assembly for a vehicle suspension system includes a primary damper and a secondary damper. The secondary damper is coupled to the primary damper and includes a housing and an annular piston. The housing includes a sidewall that partially surrounds the primary damper, and the volume between the sidewall and the primary damper defines a damping chamber. The sidewall defines a plurality of apertures. The annular piston is positioned within the damping chamber and slidably coupled to the sidewall. The primary damper provides a base damping force and the secondary damper provides a supplemental damping force that varies based on the position of the annular piston along the housing.
摘要翻译： 用于车辆悬架系统的阻尼器组件包括主阻尼器和次级阻尼器。 次级阻尼器联接到主阻尼器并且包括壳体和环形活塞。 壳体包括部分地围绕主阻尼器的侧壁，并且侧壁和主阻尼器之间的体积限定了阻尼室。 侧壁限定多个孔。 环形活塞位于阻尼室内并且可滑动地联接到侧壁。 主阻尼器提供基础阻尼力，次级阻尼器提供基于环形活塞沿着壳体的位置而变化的补充阻尼力。
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公开(公告)号：US20240052818A1
公开(公告)日：2024-02-15
申请号：US18382875
申请日：2023-10-23
申请人： Oshkosh Corporation
发明人： Kai P. Schubart , Christopher J. Rukas , Patrick S. Dillman , Erik S. Ellifson , Aaron J. Rositch
IPC分类号： F04B27/067 , F15B15/14
CPC分类号： F04B27/0673 , F15B15/1447 , F04B27/005
摘要： A pump system includes a housing defining a first internal volume and a second internal volume, a first piston positioned to separate the first internal volume into a first chamber and a second chamber, a second piston positioned to separate the second internal volume into a third chamber and a fourth chamber, a first inlet check valve configured to permit fluid flow into the first chamber, a second inlet check valve configured to permit fluid flow into the third chamber, a directional control valve (DCV) repositionable between (a) a first position where the DCV is configured to fluidly couple the second chamber to a high pressure fluid source and (b) a second position where the DCV is configured to fluidly couple the fourth chamber to the high pressure fluid source, and a relief valve configured to supply a fluid to the DCV through an orifice to move the DCV.
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公开(公告)号：US11815078B2
公开(公告)日：2023-11-14
申请号：US17961182
申请日：2022-10-06
申请人： Oshkosh Corporation
发明人： Kai P. Schubart , Christopher J. Rukas , Patrick S. Dillman , Erik S. Ellifson , Aaron J. Rositch
IPC分类号： F04B27/067 , F04B27/00 , F15B15/14
CPC分类号： F04B27/0673 , F15B15/1447 , F04B27/005
摘要： A pump system includes a housing defining a first internal volume and a second internal volume, a first piston positioned to separate the first internal volume into a first chamber and a second chamber, a second piston positioned to separate the second internal volume into a third chamber and a fourth chamber, a directional control valve (DCV) fluidly coupled to the second chamber and the fourth chamber, a first relief valve fluidly coupled to the DCV via a first control line and the second chamber via a first sensing line, a first orifice positioned along the first sensing line, a second relief valve fluidly coupled to the DCV via a second control line and the fourth chamber via a second sensing line, and a second orifice positioned along the second sensing line.
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公开(公告)号：US11480165B2
公开(公告)日：2022-10-25
申请号：US16575590
申请日：2019-09-19
申请人： Oshkosh Corporation
发明人： Kai P. Schubart , Christopher J. Rukas , Patrick S. Dillman , Erik S. Ellifson , Aaron J. Rositch
IPC分类号： F04B27/067 , F15B15/14 , F04B27/00
摘要： A pump system includes a pump assembly and a pump controller. The pump assembly includes a housing defining a first volume and a second volume separated by a divider, a first piston dividing the first volume into a first chamber and a second chamber, a second piston dividing the second volume into a third chamber and a fourth chamber, and a piston rod coupling the first piston and the second piston such that a movement of the first piston causes an equal movement of the second piston. The pump controller is configured to alternately supply a first fluid to the second chamber and the fourth chamber to cause the first piston and the second piston to reciprocate within the housing.
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公开(公告)号：US20140251742A1
公开(公告)日：2014-09-11
申请号：US13792151
申请日：2013-03-10
申请人： OSHKOSH CORPORATION
CPC分类号： F16F9/49 , B60G17/08 , F16F9/16 , F16F9/368 , F16F9/512 , F16F15/161 , F16F2222/12
摘要： A damper assembly is disclosed that includes a tubular member, a rod, a primary piston, a secondary piston, and a seal. The tubular member includes a sidewall and a cap positioned at an end of the sidewall. The sidewall and the cap defining an inner volume. The rod extends within the inner volume of the tubular member. The primary piston defines a contact surface and is positioned within the inner volume and coupled to an end of the rod. The secondary piston defines a central aperture and a channel. Engagement of the primary piston and the secondary piston forms a flow conduit between the channel and the contact surface. The seal is disposed between an outer surface of the secondary piston and the sidewall such that a flow path is formed through the central aperture and the flow conduit.
摘要翻译： 公开了一种阻尼器组件，其包括管状构件，杆，主活塞，次级活塞和密封件。 管状构件包括侧壁和位于侧壁端部的盖。 侧壁和盖限定内部容积。 杆在管状构件的内部容积内延伸。 主活塞限定接触表面并且定位在内部容积内并且联接到杆的端部。 次级活塞限定了中心孔和通道。 主活塞和次级活塞的接合在通道和接触表面之间形成流动导管。 密封件设置在次级活塞的外表面和侧壁之间，使得通过中心孔和流动管道形成流路。
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公开(公告)号：US20230046193A1
公开(公告)日：2023-02-16
申请号：US17961182
申请日：2022-10-06
申请人： Oshkosh Corporation
发明人： Kai P. Schubart , Christopher J. Rukas , Patrick S. Dillman , Erik S. Ellifson , Aaron J. Rositch
IPC分类号： F04B27/067 , F15B15/14
摘要： A pump system includes a housing defining a first internal volume and a second internal volume, a first piston positioned to separate the first internal volume into a first chamber and a second chamber, a second piston positioned to separate the second internal volume into a third chamber and a fourth chamber, a directional control valve (DCV) fluidly coupled to the second chamber and the fourth chamber, a first relief valve fluidly coupled to the DCV via a first control line and the second chamber via a first sensing line, a first orifice positioned along the first sensing line, a second relief valve fluidly coupled to the DCV via a second control line and the fourth chamber via a second sensing line, and a second orifice positioned along the second sensing line.
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公开(公告)号：US20210088036A1
公开(公告)日：2021-03-25
申请号：US16575590
申请日：2019-09-19
申请人： Oshkosh Corporation
发明人： Kai P. Schubart , Christopher J. Rukas , Patrick S. Dillman , Erik S. Ellifson , Aaron J. Rositch
IPC分类号： F04B27/067 , F15B15/14 , B60G17/052
摘要： A pump system includes a pump assembly and a pump controller. The pump assembly includes a housing defining a first volume and a second volume separated by a divider, a first piston dividing the first volume into a first chamber and a second chamber, a second piston dividing the second volume into a third chamber and a fourth chamber, and a piston rod coupling the first piston and the second piston such that a movement of the first piston causes an equal movement of the second piston. The pump controller is configured to alternately supply a first fluid to the second chamber and the fourth chamber to cause the first piston and the second piston to reciprocate within the housing.
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公开(公告)号：US20130249183A1
公开(公告)日：2013-09-26
申请号：US13792154
申请日：2013-03-10
申请人： OSHKOSH CORPORATION
CPC分类号： B60G17/08 , B60G11/265 , B60G13/08 , B60G21/073 , B60G2202/24 , B60G2500/10 , F16F9/19 , F16F9/28 , F16F9/346 , F16F9/48
摘要： A damper assembly for a vehicle suspension system includes a primary damper and a secondary damper. The secondary damper is coupled to the primary damper and includes a housing and an annular piston. The housing includes a sidewall that partially surrounds the primary damper, and the volume between the sidewall and the primary damper defines a damping chamber. The sidewall defines a plurality of apertures. The annular piston is positioned within the damping chamber and slidably coupled to the sidewall. The primary damper provides a base damping force and the secondary damper provides a supplemental damping force that varies based on the position of the annular piston along the housing.
摘要翻译： 用于车辆悬架系统的阻尼器组件包括主阻尼器和次级阻尼器。 次级阻尼器联接到主阻尼器并且包括壳体和环形活塞。 壳体包括部分地围绕主阻尼器的侧壁，并且侧壁和主阻尼器之间的体积限定了阻尼室。 侧壁限定多个孔。 环形活塞位于阻尼室内并且可滑动地联接到侧壁。 主阻尼器提供基础阻尼力，次级阻尼器提供基于环形活塞沿着壳体的位置而变化的补充阻尼力。
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公开(公告)号：US09303715B2
公开(公告)日：2016-04-05
申请号：US13792151
申请日：2013-03-10
申请人： Oshkosh Corporation
CPC分类号： F16F9/49 , B60G17/08 , F16F9/16 , F16F9/368 , F16F9/512 , F16F15/161 , F16F2222/12
摘要： A damper assembly is disclosed that includes a tubular member, a rod, a primary piston, a secondary piston, and a seal. The tubular member includes a sidewall and a cap positioned at an end of the sidewall. The sidewall and the cap defining an inner volume. The rod extends within the inner volume of the tubular member. The primary piston defines a contact surface and is positioned within the inner volume and coupled to an end of the rod. The secondary piston defines a central aperture and a channel. Engagement of the primary piston and the secondary piston forms a flow conduit between the channel and the contact surface. The seal is disposed between an outer surface of the secondary piston and the sidewall such that a flow path is formed through the central aperture and the flow conduit.
摘要翻译： 公开了一种阻尼器组件，其包括管状构件，杆，主活塞，次级活塞和密封件。 管状构件包括侧壁和位于侧壁端部的盖。 侧壁和盖限定内部容积。 杆在管状构件的内部容积内延伸。 主活塞限定接触表面并且定位在内部容积内并且联接到杆的端部。 次级活塞限定了中心孔和通道。 主活塞和次级活塞的接合在通道和接触表面之间形成流动导管。 密封件设置在次级活塞的外表面和侧壁之间，使得通过中心孔和流动管道形成流路。
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公开(公告)号：US09291230B2
公开(公告)日：2016-03-22
申请号：US14334305
申请日：2014-07-17
申请人： Oshkosh Corporation
发明人： Erik S. Ellifson , Patrick S. Dillman , Jason J. Zuleger , Aaron J. Rositch , Robert K. Sollenskog
CPC分类号： B60G17/08 , B60G11/265 , B60G13/08 , B60G21/073 , B60G2202/24 , B60G2500/10 , F16F9/19 , F16F9/28 , F16F9/346 , F16F9/48
摘要： A damper assembly for a vehicle suspension system includes a primary damper and a secondary damper coupled to the primary damper. The secondary damper includes a housing, a piston, a conduit, and a valve. The housing includes a sidewall that defines a set of apertures and at least partially surrounds the primary damper, and the volume between the sidewall and the primary damper defines a damping chamber. The piston is positioned within the damping chamber and is slidably coupled to the sidewall. The conduit forms a flow path between the set of apertures, and the valve is disposed along the flow path. The primary damper provides a base damping force, and the secondary damper provides a supplemental damping force that varies based on the position of the piston along the housing.
摘要翻译： 用于车辆悬架系统的阻尼器组件包括主阻尼器和联接到主阻尼器的次级阻尼器。 次级阻尼器包括壳体，活塞，导管和阀。 壳体包括侧壁，其限定一组孔并且至少部分地围绕主阻尼器，并且侧壁和主阻尼器之间的体积限定阻尼室。 活塞位于阻尼室内并且可滑动地联接到侧壁。 所述导管在所述一组孔之间形成流动路径，并且所述阀沿着所述流动路径设置。 主阻尼器提供基座阻尼力，次级阻尼器提供基于活塞沿壳体的位置而变化的补充阻尼力。
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