PROBLEM TO BE SOLVED: To enable securing of hydraulic pressure necessary for a requiring region when an oil pump-requiring rotation speed is equal to or more than an actual oil pump rotation speed.SOLUTION: An on-vehicle oil pump-drive switchover apparatus includes a traveling-drive source; a starter motor; an oil pump for generating hydraulic pressure for a requiring region; oil pump drive control means for driving the oil pump with either one of the traveling-drive source and starter motor; and an oil pump-drive switchover mechanism for switching over drive sources for the oil pump. Further the oil pump drive control means performs: computing an oil pump-requiring rotation speed (step S2); and, if the oil pump-requiring rotation speed is equal to or higher than an actual oil pump rotation speed (step S4), increasing rotation speed of the starter motor to a range of the oil pump-requiring rotation speed or more so that the starter motor is constituted as the drive source of the oil pump (step S6).

    【課題】オイルポンプ必要回転数がオイルポンプ実回転数以上のとき、必要部位への必要油圧を確保することができる。【解決手段】車載オイルポンプの駆動切り替え制御装置は、走行用駆動源と、スタータモータと、必要部位への油圧を作るオイルポンプと、走行用駆動源とスタータモータのうちいずれか一方によりオイルポンプを駆動するオイルポンプ駆動制御手段と、を備えている。この制御装置において、オイルポンプの駆動源を切り替えるオイルポンプ駆動切り替え機構を設け、オイルポンプ駆動制御手段は、オイルポンプ必要回転数を演算し(ステップS2)、オイルポンプ必要回転数がオイルポンプ実回転数以上のとき(ステップS4)、スタータモータの回転数をオイルポンプ必要回転数以上の領域に高め、スタータモータをオイルポンプの駆動源とする(ステップS6)。【選択図】図4


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    Title :

    ON-VEHICLE OIL PUMP-DRIVE SWITCHOVER APPARATUS


    Additional title:

    車載オイルポンプの駆動切り替え制御装置


    Contributors:

    Publication date :

    2015-11-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS , Rotationskolben- oder Schwenkkolbenmaschinen [Kraft- und Arbeitsmaschinen] für Flüssigkeiten



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