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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
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。
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公开(公告)号：US20190107170A1
公开(公告)日：2019-04-11
申请号：US16090866
申请日：2017-04-05
Applicant: KYB CORPORATION
Inventor： Kazutaka INAMITSU , Takashi TERAOKA
Abstract: A shock absorber includes: a cylinder; a piston that is movably inserted into the cylinder and defines an extension side chamber and a compression side chamber inside the cylinder; an extension side damping passage and a compression side damping passage that communicate the extension side chamber with the compression side chamber; a pressure chamber that communicates with the extension side chamber and the compression side chamber; and an elastic member that defines a first chamber communicating with the extension side chamber and a second chamber communicating with the compression side chamber inside the pressure chamber.
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公开(公告)号：US20190120319A1
公开(公告)日：2019-04-25
申请号：US16090877
申请日：2017-04-05
Applicant: KYB CORPORATION
Inventor： Kazutaka INAMITSU , Takashi TERAOKA
Abstract: A shock absorber includes a housing that includes an annular nut portion threaded to an outer circumference of a front end portion of a piston rod, an annular flange portion protruding outward from the nut portion, and a tubular portion extending from an outer circumference of the flange portion in a direction away from the piston rod, a tube that is inserted into the housing, and an elastic member that is attached to an inner circumference of the tube to define a first chamber communicating with an extension side chamber and a second chamber communicating with a compression side chamber inside the housing and the tube is fixed while being sandwiched between the flange portion and a bent portion corresponding to a support portion formed by caulking a front end of the tubular portion inward.
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