Patent ID: 9290906
Filing Date: 2016-03-22
CPC Classification: E02F,F01N

Claim Text:
1. A construction machine comprising: a turning upperstructure which is provided with a work device in a front thereof; a counterweight which is disposed at a rear of the turning upperstructure; an engine room which is disposed in front of the counterweight; an engine which is disposed within the engine room; a heat exchanger which exchanges heat with the engine; an intake port which is formed in an exterior of the engine room to take in outside air therethrough; a fan which introduces the outside air from the intake port into the engine room to cool the heat exchanger; a tail pipe which is disposed on the exterior of the engine room to release exhaust gas discharged from the engine to the outside; an aqueous urea tank which stores aqueous urea that purifies the exhaust gas discharged from the engine; and a battery; wherein: the counterweight has a recess portion which is formed such that a side facing the engine sinks inward away from the work device; both the aqueous urea tank and the battery are disposed in a space within the engine room on an upstream side of the heat exchanger in a flow direction of the outside air, the battery is disposed on a side more closely to the work device than the aqueous urea tank, and the aqueous urea tank is disposed on a side more closely to the counterweight than the battery; and a tail side of the aqueous urea tank is formed in conformity to a shape of the recess portion of the counterweight.