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    SHOCK ABSORBER
    1.
    发明申请
    SHOCK ABSORBER 有权
    减震器

    公开(公告)号：US20160229255A1

    公开(公告)日：2016-08-11

    申请号：US15022921

    申请日：2014-09-19

    Applicant: KYB CORPORATION

    Inventor： Takashi TERAOKA ,  Tatsuya MASAMURA

    IPC: B60G17/08 ,  F16F9/50 ,  F16F9/34 ,  B60G15/06

    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 that communicates with an expansion-side chamber and a contraction-side chamber, an expansion-side free piston that partitions the expansion-side actuating chamber into a first expansion-side pressure chamber and a second expansion-side pressure chamber, and an expansion-side spring element 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, a contraction-side free piston 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 configured to bias the contraction-side free piston to compress the first contraction-side pressure chamber.

    Abstract translation: 减震器包括膨胀侧敏感单元和收缩侧敏感单元中的至少一个。 膨胀侧敏感单元具有膨胀侧致动室，其与膨胀侧室和收缩侧室连通，膨胀侧自由活塞将膨胀侧致动室分隔成第一膨胀侧压力室 和第二膨胀侧压力室，以及膨胀侧弹簧元件，其构造成偏压膨胀侧自由活塞以压缩第一膨胀侧压力室。 收缩侧敏感单元具有收缩侧致动室，其与收缩侧室和储存器连通，收缩侧自由活塞将收缩侧致动室分隔成第一收缩侧压力室，第二收缩侧致动室 收缩侧压力室和收缩侧弹簧元件，其构造成偏压收缩侧自由活塞以压缩第一收缩侧压力室。

    SUSPENSION SYSTEM
    2.
    发明申请
    SUSPENSION SYSTEM 审中-公开

    公开(公告)号：US20180326809A1

    公开(公告)日：2018-11-15

    申请号：US15773631

    申请日：2016-09-20

    Applicant: KYB CORPORATION

    Inventor： Tatsuya MASAMURA

    IPC: B60G17/018

    CPC classification number: B60G17/018 ,  B60G17/015 ,  B60G2400/102 ,  B60G2400/1042 ,  B60G2400/2042 ,  B60G2400/252

    Abstract: A suspension system S according to the present invention is configured to control actuators AFR, AFL, ARR, ARL by determining a pitch damping force FP and a roll damping force FR to cancel roll and pitch moments MP, MR of a body B, and determining target control forces FTFR, FTFL, FTRR, FTRL in consideration of the pitch damping force FP and the roll damping force FR. When the pitch damping force FP and the roll damping force FR are output to the actuators AFR, AFL, ARR, ARL, the actuators AFR, AFL, ARR, ARL can each generate a control force for cancelling a force acting on the body B not later but preliminarily.

    SUSPENSION DEVICE
    3.
    发明申请
    SUSPENSION DEVICE 审中-公开

    公开(公告)号：US20180326810A1

    公开(公告)日：2018-11-15

    申请号：US15775279

    申请日：2016-09-20

    Applicant: KYB Corporation

    Inventor： Tatsuya MASAMURA

    IPC: B60G17/016 ,  B60G17/015

    CPC classification number: B60G17/0164 ,  B60G17/015 ,  B60G17/0152 ,  B60G17/04 ,  B60G2202/416 ,  B60G2600/18

    Abstract: A suspension device (S) which is a means for solving the problem of the present invention includes an actuator (AC) movable in a telescopic manner, a pump (4), a liquid pressure circuit (FC) provided between the actuator (AC) and the pump (4) and supplying a liquid discharged from the pump (4) to the actuator (AC) so that the actuator (AC) expands and contracts, and a controller (C) controlling the driving of the pump (4), in which the pump (4) is controlled by obtaining a target rotation number of the pump (4) on the basis of road surface displacement detected by a preview sensor (41).

    SUSPENSION DEVICE
    4.
    发明申请
    SUSPENSION DEVICE 审中-公开

    公开(公告)号：US20180281550A1

    公开(公告)日：2018-10-04

    申请号：US15764611

    申请日：2016-09-20

    Applicant: KYB Corporation

    Inventor： Tatsuya MASAMURA

    IPC: B60G17/056 ,  B60G17/04 ,  F16F9/46

    Abstract: A suspension device includes a fluid pressure circuit disposed between a damper, a pump, and a reservoir. The fluid pressure circuit includes an extension-side damping valve disposed in an extension-side passage, a contraction-side damping valve disposed in a contraction-side passage, a differential pressure control valve that controls a differential pressure between the extension-side passage and the contraction-side passage, a suction passage that connects the discharge passage to the supply passage at a point between the differential pressure control valve and the supply-side check valve, and a suction check valve disposed in the suction passage that allows only a flow of fluid heading for the supply passage from the discharge passage.

    SUSPENSION DEVICE AND SUSPENSION CONTROL UNIT
    6.
    发明申请
    SUSPENSION DEVICE AND SUSPENSION CONTROL UNIT 审中-公开

    公开(公告)号：US20170349022A1

    公开(公告)日：2017-12-07

    申请号：US15524890

    申请日：2015-11-06

    Applicant: KYB Corporation

    Inventor： Tatsuya MASAMURA

    IPC: B60G17/018 ,  F16F9/46 ,  B60G17/048 ,  B60G17/08

    CPC classification number: B60G17/018 ,  B60G17/015 ,  B60G17/048 ,  B60G17/08 ,  B60G2202/414 ,  B60G2204/62 ,  B60G2400/202 ,  B60G2400/206 ,  B60G2600/60 ,  F16F9/46 ,  F16F9/461 ,  F16F15/02

    Abstract: A suspension device includes an actuator capable of generating a thrust force and a controller. The controller includes a first vibration suppression force computation unit configured to obtain a first vibration suppression force from a vertical velocity of a sprung member, a second vibration suppression force computation unit configured to obtain a second vibration suppression force from a vertical velocity of the unsprung member or a relative velocity between the sprung member and the unsprung member, a low-pass filter having a breakpoint frequency between a sprung resonance frequency and an unsprung resonance frequency and processing a signal in the course of obtaining the second vibration suppression force using the second vibration suppression force computation unit, and a target thrust force computation unit configured to obtain a target thrust force of the actuator on the basis of the first vibration suppression force and the second vibration suppression force.

    SHOCK ABSORBER
    7.
    发明申请
    SHOCK ABSORBER 有权
    减震器

    公开(公告)号：US20160288604A1

    公开(公告)日：2016-10-06

    申请号：US15022323

    申请日：2014-09-18

    Applicant: KYB CORPORATION

    Inventor： Takashi TERAOKA ,  Kazutaka INAMITSU ,  Tatsuya MASAMURA

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

    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 that partitions the compression chamber into an expansion-side compression chamber and a contraction-side compression chamber; an expansion-side flow passage that connects the expansion-side chamber with the expansion-side compression chamber; a contraction-side flow passage that connects the contraction-side chamber with the contraction-side compression chamber; an expansion-side bypass valve provided in the expansion-side flow passage to admit only a flow directed from the expansion-side chamber to the expansion-side compression chamber and generate resistance; a contraction-side bypass valve provided in parallel with the expansion-side bypass valve to admit only a flow directed from the expansion-side compression chamber to the expansion-side chamber and generate resistance; an expansion-side elastic stopper configured to stop the free piston at an expansion-side stroke end; and a contraction-side elastic stopper configured to stop the free piston at a contraction-side stroke end.

    Abstract translation: 减震器包括： 将压缩室分隔成膨胀侧压缩室和收缩侧压缩室的自由活塞; 将膨胀侧室与膨胀侧压缩室连结的膨胀侧流路; 将收缩侧室与收缩侧压缩室连结的收缩侧流路; 膨胀侧旁通阀，其设置在膨胀侧流路中，仅容纳从膨胀侧室流向膨胀侧压缩室的流动并产生阻力; 收缩侧旁通阀，其与膨胀侧旁通阀并联设置，以仅允许从膨胀侧压缩室引导到膨胀侧室的流动并产生阻力; 膨胀侧弹性止动件，被构造成在膨胀侧行程端止动自由活塞; 以及收缩侧弹性止动件，被构造成在收缩侧行程端部停止自由活塞。

    SHOCK ABSORBER
    8.
    发明申请
    SHOCK ABSORBER 审中-公开
    减震器

    公开(公告)号：US20160263960A1

    公开(公告)日：2016-09-15

    申请号：US15032420

    申请日：2014-11-05

    Applicant: KYB CORPORATION

    Inventor： Takashi TERAOKA ,  Tatsuya MASAMURA

    IPC: B60G17/08 ,  F16F9/50 ,  F16F9/34 ,  B60G13/08 ,  F16F9/19

    CPC classification number: B60G17/08 ,  B60G13/08 ,  B60G2202/24 ,  B60G2206/41 ,  B60G2500/10 ,  B60G2800/162 ,  F16F9/19 ,  F16F9/34 ,  F16F9/469 ,  F16F9/50 ,  F16F9/5126 ,  F16F2228/066

    Abstract: A shock absorber includes a cylinder, a piston that partitions the cylinder into an expansion-side chamber and a contraction-side chamber, a piston rod connected to the piston, a damping passage that allows the expansion-side chamber to communicate with the contraction-side chamber, a pressure chamber that communicates with the expansion-side chamber and the contraction-side chamber, a free piston that partitions the pressure chamber into an expansion-side pressure chamber and a contraction-side pressure chamber, a spring element configured to position the free piston in a neutral position with respect to the pressure chamber and exert a biasing force for suppressing a displacement of the free piston from the neutral position, and a damping force control unit provided in the damping passage, the damping force control unit being configured to change resistance to a flow of the hydraulic fluid passing therethrough.

    Abstract translation: 减震器包括：缸体，将气缸分隔成膨胀侧室和收缩侧室的活塞;连接到活塞的活塞杆;允许膨胀侧室与收缩侧室连通的阻尼通道; 与膨胀侧室和收缩侧室连通的压力室，将压力室分隔成膨胀侧压力室和收缩侧压力室的自由活塞，构成为位置的弹簧元件 所述自由活塞相对于所述压力室处于中立位置，并且施加用于抑制所述自由活塞从所述中立位置的位移的偏压力，以及设置在所述阻尼通道中的阻尼力控制单元，所述阻尼力控制单元被构造成 以改变对通过其中的液压流体的流动的阻力。

    SUSPENSION DEVICE
    9.
    发明申请
    SUSPENSION DEVICE 审中-公开

    公开(公告)号：US20180281544A1

    公开(公告)日：2018-10-04

    申请号：US15764642

    申请日：2016-09-20

    Applicant: KYB Corporation

    Inventor： Tatsuya MASAMURA

    IPC: B60G17/015 ,  B60G13/08 ,  B60G17/08

    Abstract: A suspension device includes a fluid pressure circuit disposed between a damper, a pump, and a reservoir. The fluid pressure circuit includes an extension-side damping valve disposed in an extension-side passage, a contraction-side damping valve disposed in a contraction-side passage, and a suction passage that connects a discharge path to a supply passage at a point between an electromagnetic throttle switching valve and a supply-side check valve. The suspension device further includes a control unit configured to control the electromagnetic throttle switching valve on a basis of a differential pressure between the extension-side passage and the contraction-side passage.

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