Title:
EARTHWORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/182222
Kind Code:
A1
Abstract:
This earthwork machine includes a car body, a fuel cell, a housing, and a coolant pipe. The housing stores the fuel cell and is electrically connected to the car body. The coolant pipe passes through the housing and flows a coolant from the outside of the housing to the fuel cell. The coolant pipe is electrically isolated from the housing and configured such that the coolant and car body are electrically connected outside the housing.
Inventors:
SATO TAKUYA (JP)
HIROTA TAKASHI (JP)
OBATA KOJI (JP)
HIROTA TAKASHI (JP)
OBATA KOJI (JP)
Application Number:
PCT/JP2023/010653
Publication Date:
September 28, 2023
Filing Date:
March 17, 2023
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
B60L50/75; H01M8/04; H01M8/249; H01M8/00; H01M8/2475
Foreign References:
| JP2005332674A | 2005-12-02 | |||
| JP2003530667A | 2003-10-14 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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