Title:
ELECTRIC EXCAVATOR
Document Type and Number:
WIPO Patent Application WO/2023/080053
Kind Code:
A1
Abstract:
A high-voltage part (HVP) includes an electric motor (33) and a battery (31) for supplying electric power to the electric motor (33) and is subject to maintenance. An operator cab (4) is situated on a turning frame (20) at a location closer to the front end of the turning frame (20) as compared to the high-voltage part (HVP). The frontmost end position (FP) of the high-voltage part (HVP) is located closer to the rear end of the turning frame (20) as compared to the rearmost end position (SP) of the operator cab (4). A switching valve (35) is located in a portion between the frontmost end position (FP) of the high-voltage part (HVP) and the rearmost end position (SP) of the operator cab (4) in the front-back direction (D1).
Inventors:
ARASE HITOSHI (JP)
YOSHINO HAYAO (JP)
YAMAGUCHI MASAHO (JP)
YOSHINO HAYAO (JP)
YAMAGUCHI MASAHO (JP)
Application Number:
PCT/JP2022/040139
Publication Date:
May 11, 2023
Filing Date:
October 27, 2022
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
E02F9/00
Foreign References:
| JP2015040117A | 2015-03-02 | |||
| JP2011102533A | 2011-05-26 | |||
| JP5691944B2 | 2015-04-01 | |||
| JP6112667B2 | 2017-04-12 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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