PROBLEM TO BE SOLVED: To provide a suspension device etc. which makes a vehicle height less likely to rapidly lower from a high state to a low state even when electric power supply is stopped.SOLUTION: A suspension device includes: a rear wheel side suspension spring 110 which is disposed between a vehicle body frame of a motor cycle and a rear wheel and supports the vehicle body frame; a support member 141 which moves while supporting the rear wheel side suspension spring 110 and changes a length of the rear wheel side suspension spring 110 thereby changing relative positions of the vehicle body and the rear wheel; and electromagnetic valves, each of which is provided on a fluid flow passage to open and close and changes a pressure of the fluid according to opening/closing thereby moving the support member 141. The electromagnetic valves are a normal close type first rear wheel side electromagnetic valve 170A which is fully closed when electric power is not supplied and a normal open type second rear wheel side electromagnetic valve 170B which is fully opened when electric power is not supplied.

    【課題】電力の供給が停止したときでも、車高が高い状態から車高が低い状態に急激に降下しにくい懸架装置等を提供する。【解決手段】自動二輪車の車体フレームと後輪との間に配され、車体フレームを支持する後輪側懸架スプリング110と、後輪側懸架スプリング110を支持しつつ移動し、後輪側懸架スプリング110の長さを変更することで車両本体と後輪との相対的な位置を変更する支持部材141と、流体の流通経路上に設けられて開閉を行ない、開閉に応じて流体の圧力を変化させることで支持部材141を移動させる電磁弁と、を備え、電磁弁は、電力が供給されない状態で全閉となるノーマルクローズタイプの第1後輪側電磁弁170Aと、電力が供給されない状態で全開となるノーマルオープンタイプの第2後輪側電磁弁170Bとであることを特徴とする懸架装置。【選択図】図2


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    Title :

    SUSPENSION DEVICE AND VEHICLE HEIGHT ADJUSTMENT DEVICE


    Additional title:

    懸架装置および車高調整装置


    Contributors:

    Publication date :

    2015-10-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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