Search International and National Patent Collections
|1. (WO2015115456) PRIME MOVER CONTROL DEVICE FOR WORK VEHICLE|
|Applicants:||HITACHI CONSTRUCTION MACHINERY CO., LTD.
|Title:||PRIME MOVER CONTROL DEVICE FOR WORK VEHICLE|
This prime mover control device for a work vehicle is provided with: a rotational speed control unit that controls the rotational speed of a prime mover in accordance with the amount of operation of an accelerator operation member; a temperature detection unit that detects the temperature of cooling oil that cools a brake; and a speed control unit that, when the temperature of the cooling oil detected by the temperature detection unit is higher than a predetermined temperature, limits the maximum rotational speed of the prime mover to a lower level compared to when the temperature of the cooling oil detected by the temperature detection unit is lower than the predetermined temperature. The maximum vehicle speed is limited by limiting the maximum rotational speed of the prime mover by the speed control unit.