RAILROAD VEHICLE DRIVE SYSTEM AND METHOD FOR CHARGING ELECTRICAL STORAGE DEVICE IN RAILROAD VEHICLE

WIPO Patent Application WO/2020/075504

A1

This railroad vehicle drive system is provided with: an electrical storage device, which is provided with a first power conversion means and a second power conversion means capable of connecting with wiring, and which is provided to be capable of connecting with the second power conversion means; an opening/closing unit provided between the first power conversion means and the second power conversion means; a contact control unit provided between the second power means and the wiring; a current conduction direction switching means provided between the second power conversion means and the contact control unit; and a control device that controls the opening/closing unit, the contact control unit, and the conduction direction switching means.

WO/2021/124600	TIRE/WHEEL ASSEMBLY
WO/2023/084053	TRACTION ENERGY SUPPLY METHOD, IN PARTICULAR USING A ENERGY SUPPLY SYSTEM FOR MOTOR VEHICLES, PREFERABLY FOR UTILITY VEHICLES FOR ELECTRICALLY OPERATED HEAVY GOODS TRANSPORT
WO/2021/063586	OVERHEAD LINE SYSTEM FOR CONSTRUCTION MACHINES FOR PIECE GOOD AND BULK MATERIAL TRANSPORT AND CONSTRUCTION MACHINE

TETSUMOTO YUICHI (JP)
SHIMADA MOTOMI (JP)
KANEKO TAKASHI (JP)
KAWAMOTO TAKEHIRO (JP)

PCT/JP2019/037713

April 16, 2020

September 25, 2019

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HITACHI LTD (JP)

B60L50/53; B60L1/00; B60L9/18; B60L50/60

WO2012014540A1	2012-02-02
WO2013018167A1	2013-02-07
WO2013114546A1	2013-08-08

JP2014030343A

2014-02-13

SUNNEXT INTERNATIONAL PATENT OFFICE (JP)

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