ENGINE ROOM FOR CONSTRUCTION MACHINERY INCLUDING NOZZLE TRAP

摘要

<P>PROBLEM TO BE SOLVED: To provide an engine room for construction machinery with a noise trap wherein the noise generated inside the engine room is suppressed from emitting outside to the minimum by the nozzle trap while preventing a fire from occurring because of a high temperature of the engine. Ž<P>SOLUTION: The engine room includes: the engine; a radiator for cooing a coolant of the engine; a shroud which is fixed to the radiator and forms a moving passage of outside air; a blowing fan which passes the outside air flowing into the engine room 11 via an inlet to the engine section and discharges the outside air to the outside of the engine room 11 via an exhaust port while in rotation; a frame 12 fitted to one sidewall of the engine room 11; and the noise trap comprising a noise attenuation member 13 fixed to the frame 12 in a plurality of layers to shield and attenuate the noise by being contacted with the noise generated in the engine room 11 and radiated to the outside. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž