发明名称 PARTICULATE FILTER FAILURE DETECTION DEVICE FOR WORK MACHINE
摘要 <P>PROBLEM TO BE SOLVED: To provide a particulate filter failure detection device for a work machine capable of performing verification, with a simple configuration and easily, of presence of a melting part of a particulate filter. <P>SOLUTION: The particulate filter failure detection device is provided in a hydraulic shovel having a rotating body 2, a work device 3 attached to the rotating body 2, an engine 10 mounted on the rotating body 2, and an exhaust emission control device 15 for purifying exhaust gas of the engine 10, and includes a detection jig 24 for detecting whether a melting part 30 is produced in the particulate filter 16. The detection jig 24 is configured to include a plurality of rod-like members 24a capable of being inserted respectively into a plurality of holes 16a, 16b formed in the particulate filter 16, and a holding body 24b formed with a plurality of through holes 24b2 into which the rod-like members 24a can be respectively inserted, and movably holding each of the rod-like members 24a. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2012237202(A) 申请公布日期 2012.12.06
申请号 JP20110105355 申请日期 2011.05.10
申请人 HITACHI CONSTR MACH CO LTD 发明人 EZAWA MASANORI;ITO YUICHIRO
分类号 F01N3/023;F01N3/00;F01N3/022 主分类号 F01N3/023
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