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公开(公告)号：US11162554B2
公开(公告)日：2021-11-02
申请号：US16484031
申请日：2017-05-10
Applicant: Showa Corporation
Inventor： Gota Nakano , Kazunari Maeda , Hiroshi Endo , Seiryo Konakai
Abstract: The hydraulic damping device includes: a cylinder storing fluid; a piston configured to form a channel through which the fluid flows along with relative movement of a rod relative to the cylinder in a specific direction; a valve having elasticity, the valve being configured to open and close the channel in the piston; a movement permitting part configured to permit the valve to move between a contact position and a spaced position, the contact position being a position where the valve contacts the piston, the spaced position being a position where the valve is spaced from the piston; a restricting part configured to restrict bending of the valve at the spaced position; and an imparting part having elasticity, the imparting part being configured to impart, to the valve, a load that is uneven in a circumferential direction of the valve and directed toward the piston.
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公开(公告)号：US10564071B2
公开(公告)日：2020-02-18
申请号：US15313943
申请日：2015-02-02
Applicant: Showa Corporation , Honda Motor Co., Ltd.
Inventor： Seiryo Konakai , Ken Issiki , Ryoma Kanda , Yukihiro Orimoto , Koichi Shibusawa , Tomohiro Yamazaki
Abstract: Provided is an examination method for a damping force variable mechanism, the examination method including: an operation step of operating a damper in a state in which the damper is installed in a vehicle, the damper being provided with a damping force variable mechanism that changes a damping force according to an input current (an example of a signal); and a detection step of detecting an induction current (an example of an output from the vehicle) from the damping force variable mechanism of the damper installed in the vehicle, wherein a detection device that performs the operation of the detection step is provided. Thus, the damping force variable mechanism of a pressure damping device can be examined in a state in which the damping force variable mechanism is installed in the vehicle.
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公开(公告)号：US09441698B2
公开(公告)日：2016-09-13
申请号：US14012533
申请日：2013-08-28
Applicant: SHOWA CORPORATION
Inventor： Tatsuro Suzuki , Seiryo Konakai , Mototsugu Yamanaka , Yuichi Enomoto , Takahiro Miura , Kunio Shibasaki
IPC: F16F9/06
Abstract: A hydraulic shock absorbing apparatus includes: an inner tube; and an outer tube that is placed outside the inner tube, in which a space is defined between an outer circumferential surface of the inner tube and an inner circumferential surface of the outer tube, and a protruding portion protruding from the outer circumferential surface of the inner tube toward the outer tube or a protruding portion protruding from the inner circumferential surface of the outer tube toward the inner tube is provided in the space, and the protruding portion is formed over an entire circumference of the outer circumferential surface of the inner tube or the inner circumferential surface of the outer tube, and has a waveform when viewed from a direction crossing the outer circumferential surface or the inner circumferential surface.
Abstract translation: 液压冲击吸收装置包括：内管; 以及外管，其设置在内管的外侧，在内管的外周面和外管的内周面之间形成有空间，并且从内侧的外周面突出的突出部 在该空间中设置有朝向外管的管或从外管的内周面向内管突出的突出部，并且突出部形成在内管的外周面的整周或 外管的内周面，从与外周面或内周面交叉的方向观察时的波形。
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Patent Agency Ranking
公开(公告)号：US20140291089A1
公开(公告)日：2014-10-02
申请号：US14012358
申请日：2013-08-28
Applicant: SHOWA CORPORATION
Inventor： Seiryo Konakai , Kunio Shibasaki , Takahiro Miura , Tetsuya Shirotsuka
Abstract: A pressure shock absorbing apparatus includes: a first cylinder; a second cylinder that is placed outside the first cylinder to form a liquid storage unit; a partitioning member that is disposed in such a manner as to be movable in an axial direction inside the first cylinder to partition a space inside the first cylinder; a throttle mechanism that is disposed in a side portion of the second cylinder, and includes a throttle unit that throttles a flow path cross section of a liquid to discharge the liquid taken in from the first cylinder toward the liquid storage unit while passing the liquid through the throttle unit; and a suppression unit that is held by the throttle mechanism at a liquid discharge point between the throttle mechanism and the liquid storage unit to suppress air bubbles in the liquid in the liquid storage unit.
Abstract translation: 一种压力冲击吸收装置，包括：第一气缸; 第二圆柱体，其被放置在第一圆筒的外部以形成液体储存单元; 分隔构件，其设置成能够在第一气缸内沿轴向移动，以分隔第一气缸内的空间; 节气门机构，其设置在所述第二气缸的侧部，并且包括节流单元，其节流液体的流路横截面，以将从所述第一气缸吸入的液体朝向所述液体存储单元排出，同时使所述液体通过 节气门单元; 以及抑制单元，其在节流机构和液体存储单元之间的液体排出点处被节流机构保持，以抑制液体存储单元中的液体中的气泡。
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公开(公告)号：US11231082B2
公开(公告)日：2022-01-25
申请号：US16485082
申请日：2017-05-10
Applicant: Showa Corporation
Inventor： Gota Nakano , Kazunari Maeda , Hiroshi Endo , Seiryo Konakai
Abstract: The hydraulic damping device includes: a cylinder storing fluid; a piston configured to form a channel through which the fluid flows along with relative movement of a rod relative to the cylinder in a specific direction; a valve having elasticity, the valve being configured to open and close the channel in the piston; a movement permitting part configured to permit the valve to move between a contact position and a spaced position, the contact position being a position where the valve contacts the piston, the spaced position being a position where the valve is spaced from the piston; a restricting part configured to restrict bending of the valve at the spaced position; and a pressing part having elasticity, the pressing part being configured to press the valve against the piston.
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公开(公告)号：US11199238B2
公开(公告)日：2021-12-14
申请号：US16484031
申请日：2017-05-10
Applicant: Showa Corporation
Inventor： Gota Nakano , Kazunari Maeda , Hiroshi Endo , Seiryo Konakai
Abstract: The hydraulic damping device includes: a cylinder storing fluid; a piston configured to form a channel through which the fluid flows along with relative movement of a rod relative to the cylinder in a specific direction; a valve having elasticity, the valve being configured to open and close the channel in the piston; a movement permitting part configured to permit the valve to move between a contact position and a spaced position, the contact position being a position where the valve contacts the piston, the spaced position being a position where the valve is spaced from the piston; a restricting part configured to restrict bending of the valve at the spaced position; and an imparting part having elasticity, the imparting part being configured to impart, to the valve, a load that is uneven in a circumferential direction of the valve and directed toward the piston.
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公开(公告)号：US10076941B2
公开(公告)日：2018-09-18
申请号：US14974604
申请日：2015-12-18
Applicant: Showa Corporation
Inventor： Seiryo Konakai , Satomi Hojo
CPC classification number: B60G13/08 , B60G2202/24 , B60G2206/41 , B60G2500/10 , F16F9/185 , F16F9/3242 , F16F9/36 , F16F2222/12 , F16F2238/04
Abstract: The hydraulic shock absorber includes a cylinder containing a fluid, a damper case positioned outside the cylinder to form a reserving chamber, a piston housed inside the cylinder, a piston rod supporting the piston, a rod guide covering one end of the cylinder, and a guide bushing provided with a through hole through which the piston rod penetrates. The rod guide has an outer circumferential groove formed by spacing apart at least a part of the rod guide from the cylinder in a circumferential direction of the cylinder for allowing the fluid to flow from inside of the cylinder to the reserving chamber, and has an inner circumferential groove for supplying the fluid into an inner circumferential gap between an inner circumferential surface of the guide bushing and an outer circumferential surface of the piston rod as the fluid flows through the outer circumferential groove.
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公开(公告)号：US09388877B2
公开(公告)日：2016-07-12
申请号：US14012358
申请日：2013-08-28
Applicant: SHOWA CORPORATION
Inventor： Seiryo Konakai , Kunio Shibasaki , Takahiro Miura , Tetsuya Shirotsuka
Abstract: A pressure shock absorbing apparatus includes: a first cylinder; a second cylinder that is placed outside the first cylinder to form a liquid storage unit; a partitioning member that is disposed in such a manner as to be movable in an axial direction inside the first cylinder to partition a space inside the first cylinder; a throttle mechanism that is disposed in a side portion of the second cylinder, and includes a throttle unit that throttles a flow path cross section of a liquid to discharge the liquid taken in from the first cylinder toward the liquid storage unit while passing the liquid through the throttle unit; and a suppression unit that is held by the throttle mechanism at a liquid discharge point between the throttle mechanism and the liquid storage unit to suppress air bubbles in the liquid in the liquid storage unit.
Abstract translation: 一种压力冲击吸收装置，包括：第一气缸; 第二圆柱体，其被放置在第一圆筒的外部以形成液体储存单元; 分隔构件，其设置成能够在第一气缸内沿轴向移动，以分隔第一气缸内的空间; 节气门机构，其设置在所述第二气缸的侧部，并且包括节流单元，其节流液体的流路横截面，以将从所述第一气缸吸入的液体朝向所述液体存储单元排出，同时使所述液体通过 节气门单元; 以及抑制单元，其在节流机构和液体存储单元之间的液体排出点处被节流机构保持，以抑制液体存储单元中的液体中的气泡。
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