| 摘要 |
PROBLEM TO BE SOLVED: To reduce harmful effect on heat balance.SOLUTION: A construction machine includes: an engine; a tank for a liquid reducer in which the liquid reducer is stored; a jet device which is provided at an exhaust passage of the engine and jets the liquid reducer supplied from the tank for the liquid reducer to exhaust air from the engine; a first system refrigeration passage in which a refrigerant of the engine circulates, the first system refrigeration passage which takes out the refrigerant from the engine, guides the refrigerant to the jet device, and returns the refrigerant guided by the jet device to the engine; and heat radiation means provided at a passage portion in the first system refrigerant passage which returns the refrigerant guided by the jet device to the engine. |
