CONSTRUCTION MACHINE

WIPO Patent Application WO/2017/158874

A1

Provided is a construction machine in which a reduction agent hose is less likely to be influenced by heat and the reduction agent hose can be routed by efficient use of a limited space above a rotary body including an engine room. According to the present invention, a reduction agent tank (11) is disposed in a first space (SP1) upstream of a heat exchanger (21) in a cooling air flowing direction, and an engine (13) and an injector (14) are disposed in a second space (SP2) downstream of the heat exchanger (21) in the cooling air flowing direction. The heat exchanger is placed on a bracket (30) having a first lateral plate part (32), a second lateral plate part (33), and a top plate part (31). A first cutout portion (34) through which a reduction agent hose (25) is inserted is provided in the first lateral plate part, and a second cutout portion (35) through which the reduction agent hose is inserted is provided in the second lateral plate part. A part of the reduction agent hose is passed through the first cutout portion and the second cutout portion so as to be routed in the inner space (SP3) of the bracket.

JPH064171	[Name of device] Earthworking machine
JP6211335	Construction machinery provided with a work attachment and this
JP6567383	Work machine

KUROSAKA SHOSEI (JP)
SUGAWARA HIROKI (JP)
MIZOGUCHI KAZUHIKO (JP)

PCT/JP2016/075838

September 21, 2017

September 02, 2016

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HITACHI CONSTRUCTION MACH CO (JP)

E02F9/00; B60K11/04; F01N3/08

WO2014097492A1

2014-06-26

JP2012144955A	2012-08-02
JP2015227555A	2015-12-17
JPH0618466A	1994-01-25
JP2014031643A	2014-02-20
JP2008240678A	2008-10-09

See also references of EP 3431669A4

THE PATENT BODY CORPORATE TAKEWA INTERNATIONAL PATENT OFFICE (JP)

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