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公开(公告)号：US10052926B2
公开(公告)日：2018-08-21
申请号：US15537143
申请日：2015-11-12
发明人： Piero Antonio Conti , Giordano Greco , Andrea Nepote , Francesco Inglese , Mario Milazzo , Cesare Stefanini
IPC分类号： F02B63/04 , H02K7/18 , B60G13/14 , B60K25/10 , F16F9/19 , F16F9/18 , H02K35/02 , H02K7/06 , H02K49/10 , H02P9/00 , F16F9/49
CPC分类号： B60G13/14 , B60G2206/41 , B60G2300/60 , B60K25/10 , B60K2025/103 , F16F9/185 , F16F9/19 , H02K7/06 , H02K7/1876 , H02K35/02 , H02K49/102 , H02K2207/00 , H02P9/008
摘要： The shock-absorber comprises: a cylinder containing a hydraulic working fluid; a piston slidably arranged in the cylinder so as to split the cylinder into two variable-volume working chambers, namely a first working chamber, or extension chamber, and a second working chamber, or compression chamber; an auxiliary conduit in fluid communication on one side with the first working chamber and on the other with the second working chamber; a train of permanent magnets slidably arranged in the auxiliary conduit so as to reciprocally move along the auxiliary conduit, dragged by the working fluid flowing between the first and second working chambers through the auxiliary conduit as a result of the reciprocating motion of the piston in the cylinder; and electric energy generating device for generating electric energy by exploiting the movement of the train of permanent magnets along the auxiliary conduit.
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公开(公告)号：US20180223941A1
公开(公告)日：2018-08-09
申请号：US15865157
申请日：2018-01-08
CPC分类号： F16F9/49 , F16F9/185 , F16F9/3214 , F16F9/3257 , F16F9/348 , F16F9/3484 , F16F9/3488 , F16F9/368 , F16F9/483 , F16F2234/04
摘要： Disclosed is a hydraulic damper wherein the main damper tube has a narrowed section and it includes at least one additional piston assembly adapted to be received in the narrowed section to generate additional damping force. The piston assembly comprises a compression valve assembly and a rebound valve assembly each comprising at least one deflective disc. A sealing ring assembly is disposed between the compression and rebound valve assembles and comprises a first annular member having a plurality of channels covered by the deflective disc of the compression valve assembly; a second annular member having a plurality of channels, covered by the deflective disc of the rebound valve assembly; an axial projection between the annular members radially internal to the axial channels; and a sealing ring displaceable axially between the annular members and radially over the axial projection and adapted to cooperate with the narrowed section of the tube.
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公开(公告)号：US20180216690A1
公开(公告)日：2018-08-02
申请号：US15759453
申请日：2016-09-14
发明人： Mikio YAMASHITA
CPC分类号： F16F9/185 , B60G13/08 , B60G2202/24 , B60G2204/128 , B60G2204/129 , B60G2206/41 , B60G2500/11 , B60G2600/182 , B60G2600/21 , B60G2800/162 , F16F9/062 , F16F9/19 , F16F9/348 , F16F9/512 , F16F2228/066 , F16F2230/00
摘要： A shock absorber including: a first passage (101) allowing working fluid to flow out from one chamber (19) as a result of movement of a piston (18); a second passage (181) provided in parallel with the first passage; a damping force generating mechanism (41) provided in the first passage, and configured to generate a damping force; a tubular case member (140) including at least a part of the second passage formed therein; an annular disc (134) supported on an inner peripheral side or an outer peripheral side in the case member. An annular seal member (156) configured to seal a gap to the case member is provided on a non-supported side of the annular disc. The shock absorber further includes two chambers (171, 172) in the case member, which are defined and provided by the disc. The disc is configured to block flow to the second passage.
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公开(公告)号：US20180023654A1
公开(公告)日：2018-01-25
申请号：US15615787
申请日：2017-06-06
发明人： Marian Sikora , Witold Palka
CPC分类号： F16F9/341 , F16F9/067 , F16F9/185 , F16F9/3257 , F16F9/348 , F16F9/3485
摘要： A twin-tube hydraulic damper assembly includes a main tube having an internal radius extending along a center axis between a first end and a second end. An external tube is disposed on the center axis extending about the main tube. A base valve attached to the second end for controlling the flow of the working liquid during the compression stroke and the rebound stroke. A rebound valve of at least one rebound deflective disc having a thickness is disposed in the compression chamber and adjacent to the body. The rebound deflective disc has an external circumferential surface spaced from the main tube defining an annular damping gap extending about the center axis and having a radial width whereby a ratio of said radial width of the annular damping gap to the internal radius is less than 10%.
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公开(公告)号：US09868331B2
公开(公告)日：2018-01-16
申请号：US15039483
申请日：2014-11-21
发明人： Mikio Yamashita
IPC分类号： F16F9/348 , B60G13/08 , F16F9/34 , F16F9/50 , F16J15/16 , F16J15/32 , F16J15/56 , F16F9/18 , F16F9/504
CPC分类号： B60G13/08 , B60G2202/24 , B60G2500/04 , B60G2500/11 , B60G2800/162 , F16F9/18 , F16F9/182 , F16F9/185 , F16F9/34 , F16F9/348 , F16F9/3482 , F16F9/3484 , F16F9/50 , F16F9/504 , F16F2228/066 , F16J15/16 , F16J15/32 , F16J15/56
摘要： A shock absorber includes: a damping valve that suppresses a flow of operating fluid due to the sliding of a piston to generate damping force; a bottomed tubular pilot case that forms a pilot chamber that causes pressure to act on the damping valve in a valve closing direction, together with the damping valve; and an annular seal member (146) that is provided to be fixed to the outer circumferential side of a rear surface of the damping valve, and is fitted into a tube of the pilot case so as to be slidable and to be in a liquid tight manner. A part of the flow of the operating fluid is guided to the pilot chamber and opening of the damping valve is suppressed by the pressure of the pilot chamber. An annular concave portion (380) is formed on the outer circumferential side of the seal member (146), and an annular convex portion (385) is formed on the inner circumferential side of the seal member (146).
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公开(公告)号：US09840122B2
公开(公告)日：2017-12-12
申请号：US14787500
申请日：2014-05-19
申请人： Vilo Niumeitolu
发明人： Vilo Niumeitolu
CPC分类号： B60G13/14 , B60G2300/60 , F16F9/00 , F16F9/185 , F16F15/03 , H02K7/1823
摘要： A shock absorber comprising a generally tubular body defining a working chamber. A piston is slidable in the working chamber and separates a compression chamber from a rebound chamber of the working chamber. The working chamber contains damping fluid. The shock absorber comprises an electric generator fitted thereto. The generator comprises a turbine rotatably coupled to at least one magnet and coils adjacent the magnet. The shock absorber comprising a turbine flow path between the compression chamber and the rebound chamber, the turbine being supported for rotation in the turbine flow path driven to rotate by flow of damping fluid. Preferably the turbine flow path comprises a compression flow path and a rebound flow path and a turbine chamber, the compression flow path providing for flow of damping fluid from the compression chamber though the turbine chamber to the rebound chamber. One way valves are positioned in the compression and rebound flow paths so that flow only occurs in a respective flow path during compression and rebound of the piston. Movement of said damping fluid though either of said compression flow path or said rebound flow path causes the turbine to rotate in only one rotary direction to thereby generate an electric current in said at least one coil.
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公开(公告)号：US20170321778A1
公开(公告)日：2017-11-09
申请号：US15523515
申请日：2015-10-12
申请人： ZF Friedricshafen AG
发明人： Aleksandar KNEZEVIC , Jörg RÖSSELER
CPC分类号： F16F9/3481 , B60G13/06 , F16F9/185 , F16F9/341 , F16F9/3484 , F16K47/04
摘要： A damping valve for a vibration damper includes a damping valve body with separate passage channels. The outlet orifices of the passage channels for a flow direction are connected to one another via a groove, which is covered by at least one valve disk and is bounded radially by at least one annular web on the radially inner side with respect to the center axis (A) of the damping valve and at least one annular web on the radially outer side with respect to the center axis (A) of the damping valve. The radially outer web has at least one first portion in which the support is configured as area support for the valve disk, and the radially outer web has at least one second portion in which the support is configured as line support for the valve disk.
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公开(公告)号：US20170284498A1
公开(公告)日：2017-10-05
申请号：US15434729
申请日：2017-02-16
申请人： Showa Corporation
发明人： Koji TOKUNAGA , Tadashi UOTANI
CPC分类号： F16F9/348 , F16F9/18 , F16F9/185 , F16F9/3415 , F16F9/3481
摘要： One embodiment provides a damping force generator. The damping force generator includes: a valve body having a compression-side inlet port into which the oil pushed by the piston flows; and a compression-side damping valve provided so as to block a port outlet and elastically deformed according to pressure of the oil flowing into the compression-side inlet port to thereby exhibit damping force. An opening cross-sectional area of a port inlet opening is larger than a passage cross-sectional area of the compression-side inlet port.
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公开(公告)号：US20170284495A1
公开(公告)日：2017-10-05
申请号：US15462096
申请日：2017-03-17
申请人： Showa Corporation
发明人： Koji MATSUMOTO
CPC分类号： F16F9/185 , B60G2202/24 , B60G2300/12 , B62K25/283 , F16F9/062 , F16F9/3242 , F16F9/3257 , F16F9/34 , F16F2222/12 , F16F2224/048 , F16F2226/04 , F16F2230/16 , F16F2232/08 , F16F2234/02
摘要： A shock absorber according to one embodiment includes a damper case provided to hold an outer tube and an inner tube such that an upper end of the outer tube is positioned closer to a side on which a piston rod is disposed than an upper end of the inner tube. The damper case includes a damper housing portion that houses a damper unit, a compression-side communication path through which an inner side of the inner tube and the damper housing portion communicate with each other, an extension-side communication path through which an annular passage and the damper housing portion communicate with each other, and a passage opening which is formed on the opposite side to the piston rod of the outer tube. The extension-side communication path and the annular passage communicate with each other through the passage opening.
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公开(公告)号：US20170261060A1
公开(公告)日：2017-09-14
申请号：US15509518
申请日：2015-09-04
申请人： KYB Corporation
CPC分类号： F16F9/3257 , F16F9/062 , F16F9/185 , F16F9/32 , F16F9/3235 , F16F9/325 , F16F9/366
摘要： In a shock absorber, an outer case made of resin is disposed so as to cover an inner case made of metal, and the outer case forms a reservoir chamber for storing the hydraulic fluid between the outer case and the inner case. The outer case is supported by the inner case via protrusions, which are formed on either one of the outer peripheral surface of the inner case and the inner peripheral surface of the outer case so as to protrude toward and abut the other one of the outer peripheral surface of the inner case and the inner peripheral surface of the outer case.
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