WORKING MACHINE

WIPO Patent Application WO/2021/193258

A1

This working machine is provided with: an electricity storage device capable of storing and discharging electricity; an auxiliary equipment unit which is electrically connected to the electricity storage device and which is driven by means of the supply of electric power; a plurality of electricity generators which are mechanically connected to an engine, and which perform an electricity generation operation by being driven by the engine; and a controller which controls the plurality of electricity generators. The plurality of electricity generators are electrically connected to the electricity storage device and the auxiliary equipment unit, and are capable of supplying the generated electric power to the electricity storage device and to the auxiliary equipment unit. The controller determines the ratio of the generated currents between the plurality of electricity generators on the basis of the efficiency characteristics of each of the plurality of electricity generators, and controls the generated electric power from the plurality of electricity generators on the basis of the determined generated current ratio.

IMAI YUSUKE (JP)
OTA YASUNORI (JP)

PCT/JP2021/010701

September 30, 2021

March 16, 2021

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HITACHI CONSTRUCTION MACH CO (JP)

F02D29/06; B60W10/08; H02P5/46; H02P9/00; H02P9/04

JP2017202801A	2017-11-16
JP2019048592A	2019-03-28
JP2010167991A	2010-08-05
JP2007327401A	2007-12-20
JP2012200095A	2012-10-18
JPH0731077A	1995-01-31
JPH0622410A	1994-01-28
JPH06245319A	1994-09-02

KAICHI IP (JP)

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