发明名称 Work Vehicle Control Device
摘要 A work vehicle control device includes: a rotation speed control unit that controls an engine rotation speed in correspondence to an accelerator pedal operation quantity indicating an operating extent of an accelerator pedal; a speed ratio detection unit that detects a ratio of speed at an input shaft and at an output shaft of a torque converter, which is disposed between the engine and wheels; a decision-making unit that makes a decision that a fuel efficiency deteriorating condition exists if the torque converter speed ratio is less than a predetermined value or if the torque converter speed ratio is equal to or greater than the predetermined value and a target engine rotation speed corresponding to an operation of the accelerator pedal is greater than a preset value; and an informing unit that informs results of the decision made by the decision-making unit.
申请公布号 US2012089307(A1) 申请公布日期 2012.04.12
申请号 US201013378967 申请日期 2010.06.18
申请人 HYODO KOJI;YOSHIKAWA MASAKI;TAKAHASHI EI;HARA KATSUTAKA;HITACHI CONSTRUCTION MACHINERY CO., LTD. 发明人 HYODO KOJI;YOSHIKAWA MASAKI;TAKAHASHI EI;HARA KATSUTAKA
分类号 F16H61/00;F02D28/00 主分类号 F16H61/00
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