JPS5863315U - internal combustion engine silencer - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はオートバイにおける消音器の一例を示す正面図
、第２図は従来の膨張形消音器の断面正面図、第３図及
び第４図は本考案の一実施例を示すもので、第３図は断
面正面図、第４図は第３図ＩＶ−ＩＶ断面図である。 ３はエキゾーストパイプ、１５は外筒、１５′はその内
壁、１６は隔壁、１７は後端板、１８は出口側の膨張室
、１９は入口側の膨張室、２０は内筒、２０′はその外
壁、２１は通路、２２は　　　゛テールパイプである。Fig. 1 is a front view showing an example of a silencer for a motorcycle, Fig. 2 is a sectional front view of a conventional expansion type muffler, and Figs. 3 and 4 show an embodiment of the present invention. 3 is a sectional front view, and FIG. 4 is a sectional view taken along line IV-IV in FIG. 3 is an exhaust pipe, 15 is an outer cylinder, 15' is its inner wall, 16 is a partition wall, 17 is a rear end plate, 18 is an expansion chamber on the outlet side, 19 is an expansion chamber on the inlet side, 20 is an inner cylinder, and 20' is an On its outer wall, 21 is a passage, and 22 is a tail pipe.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外筒内壁と隔壁とにより少なくとも２つの膨張室を画成
し、排出ガスが出口側の膨張室に入った後、入口側の膨
張室に入り、出口より排出させる消音器において、エキ
ゾーストパイプに連設される内筒を前記隔壁を貫通して
前記出口側の膨張室に開口せしめるともに前記外筒内壁
と前記内筒外壁とにより前記出口側の膨張室と前記入口
側の膨張室とを連通ずる通路を形成したことを特徴とす
る内燃機関の消音器。At least two expansion chambers are defined by the inner wall of the outer cylinder and the partition wall, and the exhaust gas enters the expansion chamber on the outlet side, enters the expansion chamber on the inlet side, and is discharged from the outlet. The inner cylinder provided therein passes through the partition wall and opens into the expansion chamber on the outlet side, and the inner cylinder wall and the outer wall of the inner cylinder communicate the expansion chamber on the outlet side and the expansion chamber on the inlet side. A silencer for an internal combustion engine characterized by forming a passage.