JPS637222U - - Google Patents

Description

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

第１図は従来例を示す断面図、第２図乃至第４
図は本考案の実施例を示し、第２図は使用状態の
外観図、第３図は断面図、第４図は周波数特性図
である。 （符号の説明）、Ａ……共鳴形消音部、Ｂ……
膨張形消音部、１０……排気装置、１１……エキ
ゾーストパイプ、１２……チヤンバ、１６・１７
・１８……共鳴室、２５……膨張形消音器。 Figure 1 is a sectional view showing a conventional example, Figures 2 to 4
The figures show an embodiment of the present invention; FIG. 2 is an external view of the device in use, FIG. 3 is a sectional view, and FIG. 4 is a frequency characteristic diagram. (Explanation of symbols), A... Resonance type muffling section, B...
Expansion type silencer, 10...exhaust device, 11...exhaust pipe, 12...chamber, 16/17
・18... Resonance chamber, 25... Expansion type silencer.

補正 昭６１．１２．５ 考案の名称を次のように補正する。 考案の名称 排気装置 実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment December 5, 1981 The name of the invention is amended as follows. Title of the invention Exhaust system The scope of the claims for utility model registration and the brief description of the drawings are amended as follows.

【実用新案登録請求の範囲】 エンジンから延出するエキゾーストパイプの後
部に膨張形消音器を接続してなる排気装置におい
て、該エキゾーストパイプの側壁に高周波共鳴型
の共鳴室を設け、該共鳴室によつて排気の高周波
成分のみ除去することを特徴とする排気装置。[Claims for Utility Model Registration] In an exhaust system in which an expansion type muffler is connected to the rear of an exhaust pipe extending from an engine, a high-frequency resonance type resonance chamber is provided on the side wall of the exhaust pipe, and the resonance chamber is An exhaust device characterized in that it removes only high frequency components of exhaust gas.

【図面の簡単な説明】 第１図は従来例を示す断面図、第２図乃至第４
図は本考案の実施例を示し、第２図は使用状態の
外観図、第３図は断面図、第４図は周波数特性図
である。 （符号の説明）、Ａ……共鳴形消音部、Ｂ……
膨張形消音部、１０……排気装置、１１……エキ
ゾーストパイプ、１２……チヤンバ、１６・１７
・１８……高周波共鳴型共鳴室、２５……膨張形
消音器。[Brief explanation of the drawings] Figure 1 is a sectional view showing a conventional example, Figures 2 to 4
The figures show an embodiment of the present invention; FIG. 2 is an external view of the device in use, FIG. 3 is a sectional view, and FIG. 4 is a frequency characteristic diagram. (Explanation of symbols), A... Resonance type muffling section, B...
Expansion type silencer, 10...exhaust device, 11...exhaust pipe, 12...chamber, 16/17
・18... High frequency resonance type resonance chamber, 25... Expansion type muffler.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内部が複数に区画されたチヤンバをエキゾース
トパイプの周囲に設け、該エキゾーストパイプに
小孔を開口させて前記チヤンバ内に複数の共鳴室
を形成し、かつ該共鳴室が排気の高周波成分のみ
減衰するよう設定することによつて前記チヤンバ
部分を共鳴形消音部とし、さらに該共鳴形消音部
に複数の膨張室を有する膨張形消音部を直列に接
続させてなることを特徴とする排気装置。 A chamber whose interior is divided into a plurality of sections is provided around the exhaust pipe, a small hole is opened in the exhaust pipe to form a plurality of resonance chambers within the chamber, and the resonance chamber attenuates only the high frequency components of the exhaust. An exhaust system characterized in that the chamber portion is set as a resonance type muffling section, and an expansion type muffling section having a plurality of expansion chambers is connected in series to the resonance type muffling section.