To provide an accelerator pedal malfunction preventing device in which a sudden stepping-down operation of the accelerator pedal is prevented and the operation feeling conforming to a driver is achieved.SOLUTION: A pedal malfunction preventing device 7 comprises: a piston 21 which has a division wall 30 dividing the inside of a cylinder 20 into a first chamber 31 and a second chamber 32, and a main continuous hole 33 and a sub continuous hole 34 arranged at the division wall 30 to communicate the first chamber 31 with the second chamber 32; a normally open valve body 22 which is arranged in the second chamber 32 and can block the main continuous hole 33 by a pressure rise of hydraulic fluid on the second chamber 32 side; and a pushrod 23 which has a second end side connected to the piston 21 and can transfer a tread force to a first end side protruding to outside of the cylinder 20. The main continuous hole 33 and the sub continuous hole 34 are formed in a manner to have an aperture area on the second chamber 32 side larger than an aperture area on the first chamber 31.SELECTED DRAWING: Figure 4

    【課題】アクセルペダルに対する急激な踏み込み操作を防止すると共に、ドライバのフィーリングに合致した操作感を実現することができるアクセルペダルの誤踏込防止装置を提供する。【解決手段】誤踏込防止装置7は、シリンダ20の内部を第1室31と第2室32とに区画する隔壁30を有し、隔壁30に第1室31と第2室32とを連通する主連通孔33及び副連通孔34が設けられたピストン21と、第2室32内に設けられ、第2室32側の作動油の圧力上昇によって主連通孔33を閉塞可能な常開の弁体22と、ピストン21に第2端部側が連結され且つシリンダ20の外部に突出する第1端部側に踏力を伝達可能なプッシュロッド23と、を備え、主連通孔33及び副連通孔34を、第2室32側の開口面積が第1室31側の開口面積よりも大きくなるように形成する。【選択図】図4


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    Title :

    ACCELERATOR PEDAL MALFUNCTION PREVENTING DEVICE, AND ACCELERATOR PEDAL UNIT


    Additional title:

    アクセルペダルの誤踏込防止装置、及び、アクセルペダルユニット


    Contributors:

    Publication date :

    2023-08-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen



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