Title:
ELECTRIC WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/188649
Kind Code:
A1
Abstract:
Provided is an electric work machine comprising: an electric motor serving as a prime mover; an inverter for controlling the electric motor; a power supply system for supplying electric power to the inverter; a drive battery device for storing electric power supplied from the power supply system and supplying the electric power to the inverter; a control battery for supplying control power for the inverter, the power supply system, and the drive battery device; and an opening/closing cover for covering the power supply system, wherein the electric work machine also comprises a control electric power blocking device for blocking the supply of the control electric power to the inverter, the power supply system, and the drive battery device in concert with opening of the opening/closing cover.
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Inventors:
TAKAHASHI KIWAMU (JP)
NAKAMURA NATSUKI (JP)
IWASA NORIYUKI (JP)
ISHII TAKESHI (JP)
TANIGUCHI SHOHEI (JP)
NAKAMURA NATSUKI (JP)
IWASA NORIYUKI (JP)
ISHII TAKESHI (JP)
TANIGUCHI SHOHEI (JP)
Application Number:
PCT/JP2022/047996
Publication Date:
October 05, 2023
Filing Date:
December 26, 2022
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD (JP)
International Classes:
E02F9/24
Foreign References:
| JP2022047111A | 2022-03-24 | |||
| JPH11234816A | 1999-08-27 | |||
| JPH0518932U | 1993-03-09 | |||
| JP2005207065A | 2005-08-04 | |||
| JP2006045955A | 2006-02-16 | |||
| US20200298713A1 | 2020-09-24 | |||
| JP2011246955A | 2011-12-08 |
Attorney, Agent or Firm:
KAICHI IP (JP)
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