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Invention Publication
EP2902549A1 Construction machine with a cooling means for an electrical component 有权
Baumaschine mit einerKühlvorrichtungfürein elektrisches Bauelement

Construction machine with a cooling means for an electrical component
Abstract:
Provided is a construction machine including an electrical component (40) and efficiently cooling it. The construction machine includes an upper slewing body having an air intake chamber (16) capable of taking in air, an engine (28), the electrical component (40), an air intake duct (24) guiding the air inside the air intake chamber (16) toward the engine (28), a blow fan (27) directing the air inside the air intake chamber (16) toward the engine (28) through the air intake duct (24), and electrical-component cover (36, 50, 43) covering the electrical component (40). The electrical-component cover (36, 50, 43) defines an air flow path (55) for flowing air along the electrical component (40), between the electrical-component cover (36, 50, 43) and the electrical component (40) thereinside. The electrical-component cover (36, 50, 43) includes an air inlet (51) communicating an upstream portion of the air flow path (55) with the air intake chamber (16) and an air outlet (52) communicating a downstream portion of the air intake chamber (16) with the air intake duct (24).
Abstract(Chinese):

提供一种包括电气部件（40）并有效地冷却它的建筑机械。 该建筑机械包括具有能够吸入空气的进气室（16）的上部回转体，发动机（28），电气部件（40），引导进气室内的空气的进气管道（24） （16）朝向发动机（28），吹风扇（27）通过进气管道（24）引导进气室（16）内的空气朝向发动机（28）;以及电气部件盖 50,43）覆盖电气部件（40）。 电气部件盖（36,50,43）限定用于沿着电气部件（40）流动空气的空气流动路径（55），电气部件盖（36,50,33）和电气部件（40）之间 ）在那里 电气部件盖（36,50,43）包括将空气流路（55）的上游部分与进气室（16）连通的空气入口（51）和将下游部分 （16）的空气进入管（24）。

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