| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat exchanger dust proofing net having a simple constitution, allowing the easy cleaning work and maintenance of a heat exchanger. SOLUTION: The dust proofing net 1 is mounted in a distribution passage for cooling air guided to the heat exchanger of a working machine. The net comprises a trim-shaped outer frame 2 provided in parallel to the heat exchanger with its opening formed large enough to cover the front face of the heat exchanger, a plurality of net bodies 3, 4 formed in rectangular shapes splitting an opening in the vertical direction and fitted inside the outer frame 2, and a plurality of sets of rails 5 provided at the upper edge 2a and the lower edge 2b of the outer frame 2 for slidably supporting the plurality of net bodies 3, 4, respectively, in the outer frame 2 in extending directions of the upper edge 2a and the lower edge 2b. COPYRIGHT: (C)2007,JPO&INPIT
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