JPS58142307U - Silencer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Fig. 1 is a sectional view of a well-known muffler, Fig. 2 is a sectional view of an embodiment of the muffler according to the present invention, Fig. 3 is a sectional view taken along line A-A in Fig. 2, and Fig. 5 and 5 respectively show other embodiments of the expanded pipe portion of the exhaust outlet pipe. FIG.

Claims (2)

[Scope of utility model registration request] (1) The inside of the outer cylinder is partitioned with a partition plate to provide an expansion chamber and a silencing chamber, an exhaust introduction pipe is provided on one side of the outer cylinder, an exhaust outlet pipe is provided on the other side of the outer cylinder, and the exhaust outlet pipe is provided. In the muffler, a large number of small holes are provided in a portion of the exhaust outlet pipe located in the sound absorption chamber, and a sound absorbing material is filled in the sound absorption chamber. A silencer characterized by having many holes. (2) The silencer according to claim 1, wherein the pipe expansion section is a pipe expansion section in which a pipe is branched into three parts.