PROBLEM TO BE SOLVED: To provide a shift changeover device which can suppress the generation of a P-release shock, and can shorten a time up to the establishment of a range which is selected by an operation device such as a shift lever.SOLUTION: A shaft torsion amount is calculated when a parking mechanism is in a parking lock state (ST2). When the shaft torsion amount is not smaller than a prescribed threshold A, a moving speed Vpp of a parking lock pole 32 is set at V2 at a low-speed side (ST5). After that, when a shift lever P is switched to a D-position, an R-position or an N-position from a P-position, the parking lock pole 32 is moved at the set moving speed Vpp, and brought into a parking unlock state (ST7). By this constitution, the generation of a P-release shock can be suppressed, and a time up to the establishment of a range which is selected by the shift lever can be shortened.SELECTED DRAWING: Figure 5

    【課題】P抜きショックの発生の抑制と、シフトレバー等の操作装置で選択されたレンジが成立するまでの時間の短縮化とを図ることができるシフト切替装置を提供する。【解決手段】パーキング機構がパーキングロック状態にある際、シャフト捩れ量を算出する(ST2)。このシャフト捩れ量が所定値の閾値A以上である場合には、パーキングロックポール32の移動速度Vppを低速側のV2に設定する(ST5)。その後、シフトレバーがPポジションから、Dポジション、RポジションまたはNポジションに切り替えられた場合、前記設定した移動速度Vppでパーキングロックポール32を移動させてパーキングアンロック状態にする(ST7)。これにより、P抜きショックの発生の抑制と、シフトレバーで選択されたレンジが成立するまでの時間の短縮化とを図る。【選択図】図5


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    Title :

    SHIFT CHANGEOVER DEVICE


    Additional title:

    シフト切替装置


    Contributors:

    Publication date :

    2017-08-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16H Getriebe , GEARING / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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