PROBLEM TO BE SOLVED: To provide a vehicular hydraulic control apparatus capable of improving the efficiency of a transmission without compromising fuel economy associated with an increase in electric energy for driving an electric oil pump.SOLUTION: A vehicular hydraulic control apparatus, incorporated in a vehicle that includes a motor or generator capable of regeneration, a battery for storing power generated by the motor or generator and supplies a transmission with hydraulic pressure using a mechanical variable-capacity oil pump and an electric oil pump, includes control means. Further, in a case where an increase amount of drive electric energy when driving the electric oil pump at an operating point with a better efficiency than with a present operating point is smaller than spare electric energy stored in the battery, the control means drives the electric oil pump at the operating point with a better efficiency than the efficiency of the present operating point by using power stored in the battery and decreases an ejecting volume of the mechanical variable-capacity oil pump.SELECTED DRAWING: Figure 2
【課題】電動式オイルポンプの駆動電力量の増加に伴う燃費の悪化を招くことなく変速機の効率を向上可能な車両用油圧制御装置を提供する。【解決手段】車両用油圧制御装置は、回生が可能な電動機又は発電機と、電動機又は発電機によって発電された電力を蓄電するバッテリと、を備える車両に搭載され、機械式可変容量オイルポンプ及び電動式オイルポンプを用いて変速機に油圧を供給する車両用油圧制御装置であって、電動式オイルポンプを現在の動作点の効率よりも効率が良い動作点で駆動させた場合の駆動電力量の増加分が、バッテリに蓄電されている余剰な電力量より小さい場合、バッテリに蓄電されている電力を利用して現在の動作点の効率よりも効率が良い動作点で電動式オイルポンプを駆動すると共に、機械式可変容量オイルポンプの吐出容量を低下させる制御手段を備える。【選択図】図2
VEHICULAR HYDRAULIC CONTROL APPARATUS
車両用油圧制御装置
10.05.2018
Patent
Elektronische Ressource
Japanisch
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