Title:
建設機械
Document Type and Number:
Japanese Patent JP7223894
Kind Code:
B2
Abstract:
To provide a construction machine provided with an exhaust gas treatment device on an engine, which is improved in maintainability on the engine.SOLUTION: A revolving work vehicle (a construction machine) 1 comprises: a revolving frame 31 having a curved portion protruding to a rear side in plan view; an engine 32 disposed at a rear portion of the revolving frame 31; an exhaust gas treatment device 71 which is disposed so as to be aligned with the engine 32, which treats exhaust gas of the engine 32, and which includes a DPU device (a first treatment device) 81 and a SCR device (a second treatment device) 82 connected with the DPU device 81 via a connection pipe 96; and a bonnet 33 covering the engine 32 and the exhaust gas treatment device 71. The exhaust gas treatment device 71 is disposed so as to face a curved portion of a rear portion of a peripheral wall of the bonnet 33.SELECTED DRAWING: Figure 1
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Inventors:
Yoshihisa Ishikawa
Application Number:
JP2022036283A
Publication Date:
February 16, 2023
Filing Date:
March 09, 2022
Export Citation:
Assignee:
Yanmar Power Technology Co., Ltd.
International Classes:
E02F9/00; B60K13/04
Domestic Patent References:
| JP2011157721A | ||||
| JP2015183545A | ||||
| JP2017029017A | ||||
| JP2016188645A |
Attorney, Agent or Firm:
Patent Attorney Corporation Sano Patent Office
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