Title:
EXHAUST STRUCTURE
Document Type and Number:
Japanese Patent JP2018105143
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve heat retaining properties of an aftertreatment device of an exhaust gas flow passage.SOLUTION: An exhaust structure includes an exhaust gas flow passage 10 for guiding exhaust gas of an internal combustion engine to the atmosphere, and an aftertreatment device 11 disposed in the exhaust gas flow passage 10. The exhaust structure further includes a cylindrical holding part 12 for holding the aftertreatment device 11. An inner peripheral surface of the holding part 12 is brought into contact with an outer peripheral surface of the aftertreatment device 11, a sealed vacuum chamber R is formed between an outer peripheral surface of the holding part 12 and the inner peripheral surface of the holding part 12, and a heat insulating member 13 having a heat insulating function is provided in the sealed vacuum chamber R.SELECTED DRAWING: Figure 1
Inventors:
UCHIYAMA TADASHI
FUJII KENJI
FUJII KENJI
Application Number:
JP2016249537A
Publication Date:
July 05, 2018
Filing Date:
December 22, 2016
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
F01N3/28
Attorney, Agent or Firm:
Koichi Washida