Title:
CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/149809
Kind Code:
A1
Abstract:
A urea-water tank (22) and a urea-water pump (25) are connected to one another by means of a normal suction pipeline (27) through which urea-water sucked from the urea-water tank (22) toward the urea-water pump (25) flows, and a heater-equipped return pipeline (29) through which urea-water returning from the urea-water pump (25) toward the urea-water tank (22) flows. The urea-water pump (25) and a urea-water injection valve (14) are connected to one another by means of supply pipeline (28) through which urea-water being supplied by means of the urea-water pump (25) to the urea-water injection valve (14) flows. The heater-equipped return pipeline (29) is provided with a heating wire (29B) for heating the urea-water therein. The normal suction pipeline (27) is formed as a pipeline not provided with a heater. The heater-equipped return pipeline (29) and the normal suction pipeline (27) are disposed in contact with one another.
More Like This:
Inventors:
ABE SHINYA (JP)
SUZUKI SATOSHI (JP)
SUZUKI SATOSHI (JP)
Application Number:
PCT/JP2016/075992
Publication Date:
September 08, 2017
Filing Date:
September 05, 2016
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
F01N3/08; B01D53/94; E02F9/00
Domestic Patent References:
| WO2014199778A1 | 2014-12-18 | |||
| WO2010035355A1 | 2010-04-01 | |||
| WO2012078706A2 | 2012-06-14 |
Foreign References:
| JP2008248710A | 2008-10-16 | |||
| JP2015175334A | 2015-10-05 | |||
| JP2014194171A | 2014-10-09 | |||
| JP2015197079A | 2015-11-09 | |||
| JP2016132990A | 2016-07-25 | |||
| JP2012225304A | 2012-11-15 |
Other References:
See also references of EP 3425179A4
Attorney, Agent or Firm:
HIROSE Kazuhiko (JP)
Download PDF: