JPS6184120U

JPS6184120U -

Info

Publication number: JPS6184120U
Application number: JP16933084U
Authority: JP
Priority date: 1984-11-09
Filing date: 1984-11-09
Publication date: 1986-06-03

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す断面図、第２図
は実施例における内側トラツプケースの平面図、
第３図は共鳴周波数の特性を示す構成図、第４図
は従来例を示す断面図、第５図は従来例を示す構
成図である。２……トラツプケース、４……トラツプ、５…
…再燃焼装置、１０……内側トラツプケース、１
１……外側トラツプケース、１２……孔、１３，
１４，１８……隔壁、１５……バーナ側空洞室、
１６……中間空洞室、１７……トラツプ側空洞室
、１９……後端空洞室。 Fig. 1 is a sectional view showing an embodiment of the present invention, Fig. 2 is a plan view of the inner trap case in the embodiment,
FIG. 3 is a configuration diagram showing characteristics of resonance frequency, FIG. 4 is a sectional view showing a conventional example, and FIG. 5 is a configuration diagram showing a conventional example. 2...trap case, 4...trap, 5...
... Reburning device, 10 ... Inner trap case, 1
1... Outer trap case, 12... Hole, 13,
14, 18... partition wall, 15... burner side cavity chamber,
16... Intermediate cavity chamber, 17... Trap side cavity chamber, 19... Rear end cavity chamber.

Claims

[Scope of utility model registration request]

An internal combustion engine comprising a trap case installed in an exhaust passage, a trap installed in the trap case to collect particulates in the exhaust, and a reburning device installed in the trap case upstream of the trap. An exhaust particulate processing device for an internal combustion engine, characterized in that the trap case has a double structure, an exhaust sound resonance chamber is provided between the inner and outer trap cases, and a large number of holes are provided in the inner trap case.