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    • 27. 发明授权
    • Engine compartment cover for work machine
    • 发动机舱盖为工作机
    • US07143852B2
    • 2006-12-05
    • US10815767
    • 2004-04-02
    • Osamu YatsudaToshio IbukiMasahiro IkedaKuniaki Nakada
    • Osamu YatsudaToshio IbukiMasahiro IkedaKuniaki Nakada
    • B62D25/10
    • B62D25/10
    • An engine compartment cover for a work machine includes left and right-hand side covers for covering the sides of an engine, and a hood for covering the top of the engine. The engine compartment cover serves to enclose the engine and demarcate an engine compartment and is capable of suppressing the noise at the operator's ear level caused by the engine operating noise passing through the engine compartment cover as far as possible, whereby the level of quietness in the operator cab can be improved. In the engine compartment cover for a work machine, the hood has a box-type structure including an exterior top plate, side plates surrounding the whole perimeter of the exterior top plate, and a bottom plate opposed to the exterior top plate, and air inlet holes are provided in the side plates only, whilst an air outlet hole is provided in the bottom plate only, in such a manner that external air is drawn into the interior of the hood via the air inlet holes and air is introduced into the engine compartment via the air outlet hole.
    • 用于作业机械的发动机舱盖包括用于覆盖发动机侧面的左右侧盖和用于覆盖发动机顶部的罩。 发动机舱盖用于封闭发动机并划分发动机舱,并且能够尽可能地抑制由发动机操作噪声通过发动机舱盖引起的操作者耳部的噪音,由此, 操作员驾驶室可以改进。 在工作机械的发动机舱盖中,罩具有盒式结构,其包括外部顶板,围绕外部顶板的整个周边的侧板和与外部顶板相对的底板,以及空气入口 仅在侧板中设置孔,而仅在底板中设置空气出口孔,使得外部空气经由空气入口孔被吸入发动机罩的内部,并且空气被引入发动机室 通过出风孔。