Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2024/070181
Kind Code:
A1
Abstract:
A hydraulic shovel (1) comprises a cooling fan (8A), a heat exchanger (21) to which cooled air from the cooling fan (8A) is supplied, an air conditioning device (24) provided inside a cab (10), and an outside air introduction duct (25) for introducing outside air to the air conditioning device (24). An outside air intake port (25B) of the outside air introduction duct (25) is opened toward the upstream side of the flow of cooled air inside a heat exchanger chamber (23) into which the cooled air supplied to the heat exchanger (21) flows.

Inventors:
TSUKAGUCHI AKITO (JP)
YAMAMOTO DAISUKE (JP)
YAMAMOTO DAISUKE (JP)
Application Number:
PCT/JP2023/027557
Publication Date:
April 04, 2024
Filing Date:
July 27, 2023
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD (JP)
International Classes:
E02F9/00; B60H1/00; E02F9/16
Foreign References:
JP2012067484A2012-04-05
JP2016138404A2016-08-04
JPH11200418A1999-07-27
JP2020045626A2020-03-26
JPS59140373U1984-09-19
Attorney, Agent or Firm:
HIROWA PATENT FIRM (JP)
Download PDF: