JPS6432417U - - Google Patents

Description

[Brief explanation of the drawing]

1 to 6 show a first embodiment of the present invention, in which FIG. 1 is a schematic sectional view of a muffler for an internal combustion engine, and FIG.
The figure is a perspective view of the plate material constituting the partition wall, Figures 3 and 4 are plan views of the plate material seen from above and from below, and Figures 5 and 6 are respectively views of the plate material constituting the partition wall. FIG. 7 is a schematic sectional view showing a second embodiment of the present invention, and FIG. 8 is a schematic sectional view of a conventional muffler for an internal combustion engine. A, B...Extended silencing chamber, C...Resonant silencing chamber, 1
...Housing, 2a, 2b, 2c...Bulkhead, 3
...Introduction pipe (exhaust flow pipe), 4...Exhaust pipe (exhaust flow pipe), 5,6,7,8...Plate material, 53,55
, 61, 71... recess, 531, 551, 611
...Opening.

Claims (1)

[Scope of utility model registration request] The inside of the sealed cylindrical housing is partitioned into a plurality of sound damping chambers by partition walls arranged in the axial direction, and the partition walls are constructed by abutting a plurality of plates, and these plates have axially arranged partition walls arranged in the axial direction. An internal combustion engine characterized in that a cylindrical sealed space is formed by forming a recess extending into the silencing chamber, and the sealed space is opened at an appropriate position to form an exhaust flow pipe communicating between the respective silencing chambers. Silencer.