To provide an electromagnetic shock absorber capable of improving a mounting property to a vehicle, reducing weights and costs, and materializing smooth expanding/contracting action.SOLUTION: An electromagnetic shock absorber D includes a cylinder 1, an outer tube 4, a piston rod 2, a piston 3 that is slidably inserted in the cylinder 1 to partition the inside the cylinder 1 into an expansion side chamber R1 and a pressure side chamber R2, an attenuation passage P communicating the expansion side chamber R1 and the pressure side chamber R2, an attenuation valve V giving resistance to a flow of an actuation gas passing through the attenuation passage P, a linear motor LM that has a movable element M installed to the piston rod 2 and a stator S stored between the cylinder 1 and the outer tube 4, an air spring AS that has an air chamber 14 provided on the piston rod 2, an air piston 15 provided on an outer periphery of the outer tube 4, and a diaphragm 16 laid between the air chamber 14 and the air piston 15, and a connection path CP communicating a spring chamber R of the air spring AS and the inside of the cylinder 1.SELECTED DRAWING: Figure 1

    【課題】車両への搭載性の向上と、重量およびコストを低減でき、円滑な伸縮作動を実現できる電磁緩衝器の提供である。【解決手段】電磁緩衝器Dは、シリンダ1と、アウターチューブ4と、ピストンロッド2と、シリンダ1内に摺動自在に挿入されてシリンダ1内を伸側室R1と圧側室R2とに区画するピストン3と、伸側室R1と圧側室R2とを連通する減衰通路Pと、減衰通路Pを通過する作動気体の流れに抵抗を与える減衰バルブVと、ピストンロッド2に装着される可動子Mとシリンダ1とアウターチューブ4との間に収容される固定子Sとを有するリニアモータLMと、ピストンロッド2に設けたエアチャンバ14とアウターチューブ4の外周に設けたエアピストン15とエアチャンバ14とエアピストン15とに架け渡されるダイヤフラム16とを有するエアばねASと、エアばねASのばね室SRとシリンダ1内とを連通する接続路CPとを備える。【選択図】図1


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    Title :

    ELECTROMAGNETIC SHOCK ABSORBER


    Additional title:

    電磁緩衝器


    Contributors:

    Publication date :

    2020-08-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16F SPRINGS , Federn / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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