PROBLEM TO BE SOLVED: To provide a vehicle hydraulic pressure control device capable of preventing both a reduction in restarting performance after a mechanical oil pump is stopped and the seizure of a clutch during restarting.SOLUTION: While a mechanical oil pump O/P actuated by a motor-generator MG is stopped, a motor oil pump M/O/P is actuated by a sub-motor S/M. When a hydraulic pressure supplied to a transmission mechanism hydraulic pressure system Sup is equal to or higher than a necessary hydraulic pressure, a selector valve 106 connects a motor oil pump discharge oil passage 105 to a cooling system oil passage 104 for supplying oil discharged from the motor oil pump M/O/P to a cooling/lubrication system Lub of a transmission mechanism. Furthermore, when the hydraulic pressure supplied to the transmission mechanism hydraulic pressure system Sup is lower than the necessary hydraulic pressure, the selector valve 106 connects the motor oil pump discharge oil passage 105 to a second hydraulic pressure supply oil passage 103 for supplying the oil discharged from the motor oil pump M/O/P to the transmission mechanism hydraulic pressure system Sup.SELECTED DRAWING: Figure 3
【課題】機械式オイルポンプ停止後の再発進性能の低下と、再発進時のクラッチ焼き付き防止の両立を図ることができる車両用油圧制御装置を提供すること。【解決手段】モータ/ジェネレータMGで作動する機械式オイルポンプO/Pの停止中、サブモータS/Mにより電動オイルポンプM/O/Pを作動させる。そして、変速機構用油圧系Supへの供給油圧が必要油圧以上のとき、切替弁106によって、電動オイルポンプ吐出油路105を、電動オイルポンプM/O/Pからの吐出油を変速機構の冷却/潤滑系Lubへ供給する冷却系油路104に接続する。また、変速機構用油圧系Supへの供給油圧が必要油圧を下回るとき、切替弁106によって、電動オイルポンプ吐出油路105を、電動オイルポンプM/O/Pからの吐出油を変速機構用油圧系Supへ供給する第2油圧供給油路103に接続する構成とした。【選択図】図3
VEHICLE HYDRAULIC PRESSURE CONTROL DEVICE
車両用油圧制御装置
07.03.2016
Patent
Elektronische Ressource
Japanisch
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 / F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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