| 摘要 |
<P>PROBLEM TO BE SOLVED: To eliminate the need to secure an exclusive installation space for a liquid reductant tank, and to install the tank under an appropriate temperature condition where there is no risk of freezing of liquid reductant. <P>SOLUTION: In a construction machine composed to reduce and eliminate nitrogen oxide in exhaust gas from an engine by using liquid reductant, a liquid reducing agent tank 19 storing liquid reductant is provided in an exhaust duct 20 discharging air in an engine room 10 to an outside under conditions where direct sunlight is cut off by the duct 20 and an exhaust passage 20a is secured in the duct 20. <P>COPYRIGHT: (C)2011,JPO&INPIT |
