Title:
建設機械
Document Type and Number:
Japanese Patent JP7410756
Kind Code:
B2
Abstract:
To enable a reduction in the temperature of exhaust gas by mixing low-temperature air with the high-temperature exhaust gas.SOLUTION: On an upper face 8C of an external cover 8, a diffuser 17 is provided. The diffuser 17 includes a peripheral wall part 21 rising up from a position encircling the periphery of an upper part opening 8D of the exterior cover 8, a top plate part 22 connected to the peripheral wall part 21 for covering an area above a connection pipe 16, and an exhaust port 23 for exhausting exhaust gas jetted via the connection pipe 16 from a tail pipe 15 and guided by the peripheral wall part 21 and the top plate part 22. Besides, a first peripheral wall 21A located on the opposite side to the exhaust port 23 across the upper part opening 8D is formed as a flat plate, and the top plate part 22 is formed as a flat plate extending obliquely upward from the first peripheral wall 21A.SELECTED DRAWING: Figure 3
Inventors:
Hitomi Nishiguchi
Hidefumi Hiramatsu
Toshinori Fujii
Masaki Hiraga
Hidefumi Hiramatsu
Toshinori Fujii
Masaki Hiraga
Application Number:
JP2020041793A
Publication Date:
January 10, 2024
Filing Date:
March 11, 2020
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
F01N13/20; B60K13/04; E02F9/00
Domestic Patent References:
| JP2020012385A | ||||
| JP2124218U | ||||
| JP1176712U |
Attorney, Agent or Firm:
Patent Attorney Corporation Hirowa Patent Office
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