| 摘要 |
PROBLEM TO BE SOLVED: To improve the function of a construction machine organically and generally concerning cleaning of a cooling device, reduction of a temperature rise of an engine room, and reduction of leakage of noise and compactness. SOLUTION: A combination engine front cover and partition member 60 of an engine room 12 is disposed at a space from a cooling device R disposed so that a cooling unit RN disposed in parallel and a cooling unit R1 other than the parallel disposed cooling unit are superposed. The partition member 60 is adapted to turn the cooling air from a cooling fan 20 in the direction intersecting the circulating direction of the cooling air. Negative pressure is generated at a ventilation opening CE2 of a cooling air ventilating flow passage CDE formed by a gap between an engine cover C and the outer periphery of a partition member 60 to a cooling air introduction flow passage CD1 between the cooling fan 20 and the partition member 60, thereby ventilating the atmosphere fluid in the engine room 12 to constitute a flow passage for cooling air for cooling the engine room 12 and an engine 22. COPYRIGHT: (C)2004,JPO
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