JPS616626U - Internal combustion engine exhaust system - Google Patents

Internal combustion engine exhaust system

Info

Publication number
JPS616626U
JPS616626U JP9031984U JP9031984U JPS616626U JP S616626 U JPS616626 U JP S616626U JP 9031984 U JP9031984 U JP 9031984U JP 9031984 U JP9031984 U JP 9031984U JP S616626 U JPS616626 U JP S616626U
Authority
JP
Japan
Prior art keywords
internal combustion
combustion engine
exhaust system
valve
exhaust passage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9031984U
Other languages
Japanese (ja)
Inventor
健史 大城
茂 小林
Original Assignee
本田技研工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to JP9031984U priority Critical patent/JPS616626U/en
Publication of JPS616626U publication Critical patent/JPS616626U/en
Pending legal-status Critical Current

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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 the drawing]

第1図は本考案に係る内燃機関の排気装置の一実施例を
図示した要部横断面図、第2図は第1図の■一■線の沿
って截断した縦断側面図、第3図は前記実施例の全体概
略図、第4図は該実施例の分解斜視図、第5図はその組
立斜視図、第6図は他の実施例の要部斜視図、第7図は
本考案の他の実施例の分解斜視図、第8図および第9図
は、さらに他の実施例の横断面図、第8図はポペット弁
の閉塞状態、第9図はポペット弁の開放状態を示してお
り、第10図は従来の排気装置の要部横断面図、第11
図は第10図のXI一XI線に沿って截断した縦断面図
である。 1・・・自動二輪車用2サイクルガソリンエンジン、2
・・・排気ポート、3・・・排気管、4・・・連通路、
′5・・・サブチャンバー、6・・・バタフライ弁、7
・・・シ−ヤフト、8・・・平坦欠除面、9・・・孔、
10・・・弁体、11・・・溝、12・・・弁体下面、
13・・・弁体図面、14・・・孔、15・・・当接片
、16・・・雄螺子、17・・・ナット、18・・・レ
バー、19・・・Mfi糸、20・・・ボルト、21・
・・ポペット弁、22・・・弁先端部。
Fig. 1 is a cross-sectional view of essential parts of an embodiment of an exhaust system for an internal combustion engine according to the present invention, Fig. 2 is a longitudinal sectional side view taken along line 1-1 in Fig. 1, and Fig. 3 4 is an exploded perspective view of the embodiment, FIG. 5 is an assembled perspective view thereof, FIG. 6 is a perspective view of main parts of another embodiment, and FIG. 7 is a perspective view of the present invention. FIGS. 8 and 9 are cross-sectional views of still other embodiments, FIG. 8 shows the poppet valve in a closed state, and FIG. 9 shows the poppet valve in an open state. Figure 10 is a cross-sectional view of the main part of a conventional exhaust system, and Figure 11 is a cross-sectional view of the main part of a conventional exhaust system.
The figure is a longitudinal sectional view taken along the line XI-XI in FIG. 10. 1...2-stroke gasoline engine for motorcycles, 2
...Exhaust port, 3...Exhaust pipe, 4...Communication path,
'5...Subchamber, 6...Butterfly valve, 7
... sea shaft, 8 ... flat cut surface, 9 ... hole,
10... Valve body, 11... Groove, 12... Valve body bottom surface,
13... Valve body drawing, 14... Hole, 15... Contact piece, 16... Male screw, 17... Nut, 18... Lever, 19... Mfi thread, 20...・Bolt, 21・
...Poppet valve, 22...Valve tip.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内燃機関の排気通路の途中に、該排気通路と連通路を介
して連通ずるサブチャンバーを設けるとともに、該連通
路内に開閉弁を設け、設定された機関回転数に応じて該
開閉弁を開閉させるようにした内燃機関の排気装置にお
(ζで、閉塞状態における前記開閉弁の排気通路に相対
する内側面を該排気通路の内周面を結ぶ面に沿って位置
させるとともに前記開閉弁内側面の横断形状を該排気通
路の横断形状に合致させて形成したことを特徴とす−る
内燃機関の排気装置。
In the middle of the exhaust passage of the internal combustion engine, a sub-chamber is provided that communicates with the exhaust passage through a communication passage, and an on-off valve is provided in the communication passage, and the on-off valve is opened and closed according to a set engine speed. In the exhaust system of an internal combustion engine (ζ), the inner surface of the on-off valve facing the exhaust passage in the closed state is positioned along a surface connecting the inner circumferential surface of the exhaust passage, and the inside of the on-off valve is An exhaust system for an internal combustion engine, characterized in that the cross-sectional shape of the side surface is formed to match the cross-sectional shape of the exhaust passage.
JP9031984U 1984-06-19 1984-06-19 Internal combustion engine exhaust system Pending JPS616626U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9031984U JPS616626U (en) 1984-06-19 1984-06-19 Internal combustion engine exhaust system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9031984U JPS616626U (en) 1984-06-19 1984-06-19 Internal combustion engine exhaust system

Publications (1)

Publication Number Publication Date
JPS616626U true JPS616626U (en) 1986-01-16

Family

ID=30645205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9031984U Pending JPS616626U (en) 1984-06-19 1984-06-19 Internal combustion engine exhaust system

Country Status (1)

Country Link
JP (1) JPS616626U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240028981A (en) 2021-07-07 2024-03-05 아이리스 오야마 가부시키가이샤 plate-shaped body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240028981A (en) 2021-07-07 2024-03-05 아이리스 오야마 가부시키가이샤 plate-shaped body

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