Title:
CONSTRUCTION MACHINE
Document Type and Number:
Japanese Patent JP2022065355
Kind Code:
A
Abstract:
To provide a construction machine for hardly causing a load to be applied to a connection between an exhaust pipe and a bellows pipe while preventing the temperature drop of exhaust gas.SOLUTION: A construction machine (1) includes self-traveling vehicle bodies (2, 3), an engine (9) mounted on the vehicle bodies, an exhaust gas post-treatment device (25) for purifying exhaust gas exhausted from the engine, and an exhaust pipe (35) connecting the engine to the exhaust gas post-treatment device, the exhaust pipe consisting of a first exhaust pipe (36) one end of which is connected to an exhaust port (10A) of the engine, a second exhaust pipe (37) one end of which is connected to an exhaust gas inflow port (26A) of the exhaust gas post-treatment device, and a bellows pipe (38) connecting the other end of the first exhaust pipe to the other end of the second exhaust pipe. In the exhaust pipe, the first exhaust pipe and the second exhaust pipe are only covered with a heat insulation material (53).SELECTED DRAWING: Figure 13
Inventors:
IKUI YOSHIO
YAMASHITA SATORU
TANAKA NOZOMI
YAMASHITA SATORU
TANAKA NOZOMI
Application Number:
JP2020173875A
Publication Date:
April 27, 2022
Filing Date:
October 15, 2020
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
E02F9/00; B60K13/04; F01N3/28; F01N13/08; F01N13/14
Attorney, Agent or Firm:
Patent Attorney Corporation Takewa International Patent Office
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