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Title:
CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2016/103885
Kind Code:
A1
Abstract:
A construction machine is provided with: a cover which covers an engine and a radiator; a radiator fan which is provided at the rear of the vehicle body frame and which discharges exhaust gas toward the rear of the vehicle body frame from the inner space of the cover; an injection device which injects a reducing agent into exhaust gas discharged from the engine; a tank housing section which is provided at one side of the vehicle body frame, is provided with an introduction section for introducing outside air, and houses a tank for storing the reducing agent injected by the injection device; and a connection section which is provided to either the cover or the vehicle body frame and to the tank housing section, connects the inner space of the tank housing section and the inner space of the cover, and allows a pipe to pass therethrough, the pipe supplying a reducing agent and outside air to the injection device, the outside air having been introduced from the introduction section by the suction pressure of the fan.

Inventors:
YAMAZAKI, Yasuo (HITACHI CONSTRUCTION MACHINERY CO. LTD., 650 Kandatsumachi, Tsuchiura-sh, Ibaraki 13, 〒3000013, JP)
TAKEYAMA, Takashi (HITACHI CONSTRUCTION MACHINERY CO. LTD., 650 Kandatsumachi, Tsuchiura-sh, Ibaraki 13, 〒3000013, JP)
KIKUCHI, Keigo (HITACHI CONSTRUCTION MACHINERY CO. LTD., 650 Kandatsumachi, Tsuchiura-sh, Ibaraki 13, 〒3000013, JP)
SHIMOHIRA, Akira (HITACHI CONSTRUCTION MACHINERY CO. LTD., 650 Kandatsumachi, Tsuchiura-sh, Ibaraki 13, 〒3000013, JP)
KOBAYASHI, Keisuke (2680 Oka, Inami-cho, Koko-gu, Hyogo 13, 〒6751113, JP)
Application Number:
JP2015/079987
Publication Date:
June 30, 2016
Filing Date:
October 23, 2015
Export Citation:
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Assignee:
HITACHI CONSTRUCTION MACHINERY CO., LTD. (5-1 Koraku 2-Chome, Bunkyo-ku Tokyo, 63, 〒1128563, JP)
KABUSHIKI KAISHA KCM (2680, Oka Inami-cho, Kako-gu, Hyogo 13, 〒6751113, JP)
International Classes:
E02F9/00; B01D53/34; B60K11/06; E02F9/18; F01N3/08
Foreign References:
JP2014008827A2014-01-20
JP2009138526A2009-06-25
JP2013249663A2013-12-12
JP2014214719A2014-11-17
Other References:
See also references of EP 3239410A4
Attorney, Agent or Firm:
NAGAI, Fuyuki et al. (NAGAI & ASSOCIATES, SHINAGAWA CRYSTAL SQUARE BLDG. Suite No. 901 1-6-41, Kounan, Minato-k, Tokyo 75, 〒1080075, JP)
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