Title:
建設機械
Document Type and Number:
Japanese Patent JP6560587
Kind Code:
B2
Abstract:
On a revolving frame (5), a counterweight (6), an engine (7), a cooling fan (9), a heat exchanger (10), an exterior cover (14) forming a machine room (15) on the revolving frame (5), an exhaust gas purifying device(16) including a urea selective reduction catalyst (24), a urea water injection valve (26) injecting a urea water which is a reducing agent toward an upstream side of the urea selective reduction catalyst (24), and a urea water supply line (28) through which the urea water to be supplied to the urea water injection valve (26) flows are provided. A horizontal support member (34) supporting the exterior cover (14) is provided on a front side of the counterweight (6), and a heat shield cover (38) is mounted on the horizontal support member (34). A line accommodating space (41) is formed between the horizontal support member (34) and the heat shield cover (38), and a urea water supply line (28) for shielding heat from the engine (7) is accommodated in this line accommodating space (41).
Inventors:
Hayato Kubota
Kazuhiko Mizoguchi
Hiroki Sugawara
Shigeru Hirasawa
Kazuhiko Mizoguchi
Hiroki Sugawara
Shigeru Hirasawa
Application Number:
JP2015198415A
Publication Date:
August 14, 2019
Filing Date:
October 06, 2015
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
E02F9/00; F01N3/08
Domestic Patent References:
| JP2014080907A | ||||
| JP2015001159A | ||||
| JP2010261373A |
Foreign References:
| WO2013128689A1 | ||||
| US20050201852 |
Attorney, Agent or Firm:
Hirowa Patent Office
Kazuhiko Hirose
Kazuhiko Hirose