Title:
CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2012/172903
Kind Code:
A1
Abstract:
An operating oil tank (11) and a fuel tank (12) are arranged on the right front side of a rotating frame (5) for forming an upper rotating body (3). An equipment housing case (13) for forming a housing space (13A) therein is provided in front of both the operating oil tank (11) and the fuel tank (12). A control valve unit (20) which controls the supply and discharge of the operating oil and a urea aqueous solution tank (24) which stores a urea aqueous solution for removing nitrogen oxide contained in the exhaust gas of an engine (8) are arranged together within the housing space (13A) within the equipment housing case (13).
Inventors:
KOBAYASHI TAKAHIRO (JP)
NAKAMURA TSUYOSHI (JP)
SATO KENSUKE (JP)
AZUMA HIROYUKI (JP)
NAKAMURA TSUYOSHI (JP)
SATO KENSUKE (JP)
AZUMA HIROYUKI (JP)
Application Number:
PCT/JP2012/062296
Publication Date:
December 20, 2012
Filing Date:
May 14, 2012
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY (JP)
KOBAYASHI TAKAHIRO (JP)
NAKAMURA TSUYOSHI (JP)
SATO KENSUKE (JP)
AZUMA HIROYUKI (JP)
KOBAYASHI TAKAHIRO (JP)
NAKAMURA TSUYOSHI (JP)
SATO KENSUKE (JP)
AZUMA HIROYUKI (JP)
International Classes:
E02F9/00
Domestic Patent References:
| WO2011033732A1 | 2011-03-24 |
Foreign References:
| JP2010285814A | 2010-12-24 | |||
| JP2002097665A | 2002-04-02 | |||
| JP2011058247A | 2011-03-24 | |||
| JP2001279714A | 2001-10-10 | |||
| JP2009144365A | 2009-07-02 | |||
| JP2000212998A | 2000-08-02 |
Other References:
See also references of EP 2722446A4
Attorney, Agent or Firm:
HIROSE KAZUHIKO (JP)
Kazuhiko Hirose (JP)
Kazuhiko Hirose (JP)
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Claims: