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    SHOCK ABSORBER
    2.
    发明公开
    SHOCK ABSORBER 审中-公开

    公开(公告)号：EP2940344A4

    公开(公告)日：2016-10-12

    申请号：EP13868731

    申请日：2013-12-18

    Applicant: KYB CORP

    Inventor： TERAOKA TAKASHI

    IPC: F16F9/49 ,  F16F9/34

    CPC classification number: F16F9/49

    Abstract: A shock absorber includes a cylinder, a piston, a piston rod, a damping passage, a bypass path, a shutter, a biasing member, and a control spring secured to the cylinder by one end. Another end of the control spring is opposed to the shutter. When the piston exceeds a predetermined position with respect to the cylinder by displacing on the compression-side chamber side, the shutter is pushed by the control spring and closes the bypass path. The control spring is a conical coil spring. The other end side of the control spring has a small diameter. A guide ring, which is slidably in contact with an inner periphery of the cylinder, is mounted to the small-diameter side end of the control spring.

    DAMPING DEVICE
    4.
    发明公开
    DAMPING DEVICE 有权
    DÄMPFUNGSVORRICHTUNG

    公开(公告)号：EP3048327A4

    公开(公告)日：2017-07-12

    申请号：EP14845246

    申请日：2014-09-18

    Applicant: KYB CORP

    Inventor： TERAOKA TAKASHI ,  INAMITSU KAZUTAKA ,  MASAMURA TATSUYA

    IPC: F16F9/32 ,  F16F9/50

    CPC classification number: B60G13/08 ,  B60G2202/24 ,  B60G2206/41 ,  B60G2800/162 ,  F16F9/061 ,  F16F9/18 ,  F16F9/348 ,  F16F9/468 ,  F16F9/5126 ,  F16F9/516 ,  F16F2228/066

    Abstract: A shock absorber includes ; a free piston (9) that partitions the compression chamber (R3) into an expansion-side compression chamber (7) and a contraction-side compression chamber (8); a spring member (10) configured to generate a biasing force for the free piston (9); an expansion-side flow passage (5) that connects the expansion-side chamber (R1) with the expansion-side compression chamber (7); a contraction-side flow passage (6) that connects the contraction-side chamber (R2) with the contraction-side compression chamber (8); an expansion-side bypass valve (15) arranged closer to the expansion-side chamber (R1) side relatively to the piston (2) and provided in the expansion-side flow passage (5), the expansion-side bypass valve (15) being configured to admit only a flow directed from the expansion-side chamber (R1) to the expansion-side compression chamber (7) and generate resistance; a contraction-side bypass valve (16) provided in parallel with the expansion-side bypass valve (15) to admit only a flow directed from the expansion-side compression chamber (7) to the expansion-side chamber (R1) and generate resistance; an expansion-side elastic stopper (17) configured to stop the free piston (9) at an expansion-side stroke end; and a contraction-side elastic stopper (18) configured to stop the free piston (9) at a contraction-side stroke end.

    Abstract translation: 减震器包括： 自由活塞（9），其将压缩室（R3）分隔为膨胀侧压缩室（7）和压缩侧压缩室（8）。 弹簧构件（10），所述弹簧构件构造成产生用于所述自由活塞（9）的偏置力; 将伸侧室（R1）与伸侧压力室（7）连接的伸侧流路（5）。 将所述压侧室（R2）与所述压侧压缩室（8）连接的压侧流路（6） 相对于活塞（2）更靠近伸长侧室（R1）侧且设置于伸长侧流路（5），伸长侧旁通阀（15）的伸长侧旁通阀（15） 构成为仅容许从伸长侧室（R1）朝向伸长侧压缩室（7）的流动而产生阻力; 与膨胀侧旁通阀（15）平行设置，仅使从膨胀侧压缩室（7）流向膨胀侧室（R1）的流动产生阻力的压侧旁通阀（16） ; 伸长侧弹性止动件（17），其构造成在伸长侧行程末端处使自由活塞（9）停止; 以及压缩侧弹性止动件（18），该压缩侧弹性止动件（18）构造成在收缩侧行程末端处使自由活塞（9）停止。

    SHOCK ABSORBER
    5.
    发明公开
    SHOCK ABSORBER 有权

    公开(公告)号：EP2977643A4

    公开(公告)日：2017-01-25

    申请号：EP14771011

    申请日：2014-03-20

    Applicant: KYB CORP

    Inventor： TERAOKA TAKASHI ,  MASAMURA TATSUYA

    IPC: B60G17/08 ,  B60G13/08 ,  B60G15/06 ,  F16F9/18 ,  F16F9/512 ,  F16F9/516

    CPC classification number: B60G15/061 ,  B60G13/08 ,  B60G17/08 ,  B60G2202/12 ,  B60G2202/24 ,  B60G2204/424 ,  B60G2204/45 ,  B60G2600/182 ,  B60G2600/44 ,  F16F9/187 ,  F16F9/3214 ,  F16F9/34 ,  F16F9/5126 ,  F16F9/5165 ,  F16F9/53 ,  F16F13/007

    Abstract: A shock absorber includes a suction passage (3) configured to permit only a flow from a reservoir (R) toward a compression-side chamber (R2), a rectification passage (4) configured to permit only a flow from the compression-side chamber (R2) toward a extension-side chamber (R1), and a variable valve (V) configured to permit only a flow from the extension-side chamber (R1) toward the reservoir (R). A large chamber (16) serving as a compression-side pressure chamber that communicates with the compression-side chamber (R2) and an outer periphery chamber (17) serving as a extension-side pressure chamber that communicates with the extension-side chamber (R1) are partitioned in the shock absorber by a free piston (5) that moves slidably within a bottom member (11) serving as a housing. A compression-side pressure-receiving area (A1) of the free piston (5) is larger than an extension-side pressure-receiving area (B1). Therefore, even in the uniflow shock absorber in which the extension-side chamber (R1) and the compression-side chamber (R2) are at equal pressures during the contraction operation, the damping force is reduced under conditions in which high frequency is input since the free piston (5) moves downward.

    SHOCK ABSORBER
    6.
    发明公开
    SHOCK ABSORBER 有权
    STOSSDÄMPFER

    公开(公告)号：EP2977641A4

    公开(公告)日：2017-01-25

    申请号：EP14767379

    申请日：2014-03-20

    Applicant: KYB CORP

    Inventor： TERAOKA TAKASHI ,  MASAMURA TATSUYA

    IPC: F16F9/512 ,  B60G13/08 ,  B60G17/08 ,  F16F9/18 ,  F16F9/516

    CPC classification number: B60G17/08 ,  B60G13/08 ,  B60G2202/24 ,  B60G2500/114 ,  B60G2600/182 ,  F16F9/187 ,  F16F9/5126 ,  F16F9/5165 ,  F16F2222/12 ,  F16F2228/066

    Abstract: A shock absorber includes a suction passage (3) that only allows a flow from a reservoir (R) towards a pressure side chamber (R2), a rectifying passage (4) that only allows a flow from the pressure side chamber (R2) towards an expansion side chamber (R1), and a damping force variable valve (V) that only allows a flow from the expansion side chamber (R1) towards the reservoir (R). A large chamber (16), and a small chamber (15) and an outer peripheral chamber (17) are provided in a bottom member (11) serving as a housing so as to sandwich a free piston (5). The small chamber (15) communicates the outer peripheral chamber (17) with the expansion side chamber (R1). The large chamber (16) is communicated with the pressure side chamber (R2) through a first valve (Va) and a second valve (Vb). At the time of a contraction operation in which a piston (2) moves downward, even in a uniflow-type shock absorber in which pressure in the expansion side chamber (R1) becomes equal to that in the pressure side chamber (R2), the free piston (5) can move downward due to difference in pressure-receiving areas. Even if a stretching speed reaches a high speed range, the first valve (Va) and the second valve (Vb) are opened, and damping force is reduced.

    Abstract translation: 减震器包括仅允许从储存器（R）流向压力侧室（R2）的抽吸通道（3），仅允许从压力侧室（R2）流向 膨胀侧室（R1）和仅允许从膨胀侧室（R1）朝向储存器（R）的流动的阻尼力可变阀（V）。 在作为壳体的底部构件（11）中设置有大室（16）和小室（15）和外周室（17），以夹持自由活塞（5）。 小室（15）将外周室（17）与膨胀侧室（R1）连通。 大室（16）通过第一阀（Va）和第二阀（Vb）与压力侧室（R2）连通。 在活塞（2）向下移动的收缩操作时，即使在膨胀侧室（R1）中的压力变得等于压力侧室（R2）中的压力的​​单流型减震器中， 自由活塞（5）由于压力接收区域的差异而能向下移动。 即使拉伸速度达到高速范围，第一阀（Va）和第二阀（Vb）打开，减振力降低。

    SHOCK-ABSORBING DEVICE
    7.
    发明公开
    SHOCK-ABSORBING DEVICE 审中-公开

    公开(公告)号：EP2511563A4

    公开(公告)日：2017-12-13

    申请号：EP10836040

    申请日：2010-12-09

    Applicant: KYB CORP

    Inventor： TERAOKA TAKASHI ,  INAMITSU KAZUTAKA

    IPC: F16F9/50 ,  F16F9/32 ,  F16F9/34 ,  F16F9/348 ,  F16F9/512

    CPC classification number: F16F9/5126 ,  F16F9/348

    Abstract: A damping device comprises a piston that partitions an interior of a cylinder into first and second working chambers. A flow-rate-dependent damping force generating element connects the first and second working chambers. A first pressure chamber and a second pressure chamber divided by a free piston are formed integrally with the piston. A first connecting passage connects the first working chamber and the first pressure chamber, and a second connecting passage connects the second working chamber and the second pressure chamber. By providing a relief valve that allows fluid to flow from the first working chamber into the second working chamber, an increase in the generated damping force during a high speed operation of the piston can be suppressed, regardless of a vibration frequency of the piston.

    DAMPING DEVICE
    8.
    发明公开
    DAMPING DEVICE 审中-公开
    DÄMPFUNGSVORRICHTUNG

    公开(公告)号：EP3048328A4

    公开(公告)日：2017-07-12

    申请号：EP14846535

    申请日：2014-09-19

    Applicant: KYB CORP

    Inventor： TERAOKA TAKASHI ,  MASAMURA TATSUYA

    IPC: F16F9/32 ,  F16F9/50

    CPC classification number: B60G17/08 ,  B60G15/061 ,  F16F9/187 ,  F16F9/32 ,  F16F9/34 ,  F16F9/46 ,  F16F9/50 ,  F16F9/5126

    Abstract: A shock absorber includes at least one of an expansion-side sensitive unit and a contraction-side sensitive unit. The expansion-side sensitive unit has an expansion-side actuating chamber (E) that communicates with an expansion-side chamber and a contraction-side chamber, an expansion-side free piston (15) that partitions the expansion-side actuating chamber into a first expansion-side pressure chamber (E1) and a second expansion-side pressure chamber (E2), and an expansion-side spring element (16) configured to bias the expansion-side free piston to compress the first expansion-side pressure chamber. The contraction-side sensitive unit has a contraction-side actuating chamber that communicates with a contraction-side chamber and a reservoir (R), a contraction-side free piston (24) that partitions the contraction-side actuating chamber into a first contraction-side pressure chamber and a second contraction-side pressure chamber, and a contraction-side spring element (25) configured to bias the contraction-side free piston to compress the first contraction-side pressure chamber.

    Abstract translation: 减震器包括伸展侧敏感单元和收缩侧敏感单元中的至少一个。 伸侧感应单元具有与伸长侧室和收缩侧室连通的伸侧动作室（E），将伸侧动作室分隔成伸缩侧动作室 第一膨胀侧压力室（E1）和第二膨胀侧压力室（E2）以及膨胀侧弹簧元件（16），所述膨胀侧弹簧元件构造成偏压膨胀侧自由活塞以压缩第一膨胀侧压力室。 压缩侧感应单元具有与压缩侧室和贮存器（R）连通的压缩侧促动室，将压缩侧促动室划分为第一收缩侧和第二收缩侧的自由活塞（24） 以及压缩侧弹簧元件（25），该压缩侧弹簧元件构造成偏压压缩侧自由活塞以压缩第一压缩侧压力室。

    BUFFER DEVICE
    9.
    发明公开
    BUFFER DEVICE 审中-公开
    PUFFEREINRICHTUNG

    公开(公告)号：EP2383486A4

    公开(公告)日：2017-05-17

    申请号：EP09838848

    申请日：2009-10-30

    Applicant: KYB CORP

    Inventor： TERAOKA TAKASHI ,  MASAMURA TATSUYA

    IPC: F16F9/34 ,  B60G17/08 ,  F16F9/32 ,  F16F9/512 ,  F16F9/516 ,  F16K17/04

    CPC classification number: F16F9/5126 ,  F16F9/516

    Abstract: A shock absorbing device D according to this invention includes: a cylinder 1; a partition wall member 2 that is inserted into the cylinder 1 to be free to slide and partitions an interior of the cylinder 1 into two operating chambers R1, R2; a passage 3 that connects the two operating chambers R1, R2; a pressure chamber R3; a free piston 9 that is inserted into the pressure chamber R3 to be free to slide and partitions the pressure chamber R3 into a one chamber 7 that communicates with one operating chamber R2 via a one side flow passage 5 and an other chamber 8 that communicates with the other operating chamber R1 via an other side flow passage 6; and a spring element 10 that generates a biasing force for suppressing displacement of the free piston 9 relative to the pressure chamber R3, wherein one or both of a bypass flow passage 11 that connects the other chamber 8 and the one operating chamber R2 and a bypass flow passage that connects the one chamber 7 and the other operating chamber R1 is provided, and a relief valve 12 is provided in the bypass flow passage 11.

    Abstract translation: 根据本发明的吸震装置D包括：汽缸1; 分隔壁构件2，其插入到缸体1中以自由滑动并将缸体1的内部分隔成两个操作室R1，R2; 连接两个操作室R1，R2的通道3; 压力室R3; 自由活塞9插入到压力室R3中以自由滑动并将压力室R3分隔成一个腔室7，该一个腔室7经由一侧流动通道5与一个操作腔室R2连通并且另一个腔室8与另一个腔室8连通 另一个工作室R1通过另一侧流动通道6; 以及弹簧元件10，该弹簧元件10产生用于抑制自由活塞9相对于压力室R3的位移的偏压力，其中，连接另一个室8和一个工作室R2的旁路流道11和旁路中的一个或两个 设有连接一个室7和另一个工作室R1的流路，在旁通流路11设置有溢流阀12。

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