JPS581726U - Internal combustion engine exhaust system that uses exhaust inertia - Google Patents

Internal combustion engine exhaust system that uses exhaust inertia

Info

Publication number
JPS581726U
JPS581726U JP9304981U JP9304981U JPS581726U JP S581726 U JPS581726 U JP S581726U JP 9304981 U JP9304981 U JP 9304981U JP 9304981 U JP9304981 U JP 9304981U JP S581726 U JPS581726 U JP S581726U
Authority
JP
Japan
Prior art keywords
exhaust
internal combustion
inertia
combustion engine
exhaust system
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
JP9304981U
Other languages
Japanese (ja)
Inventor
秀一 中村
下園　力郎
彰 川上
Original Assignee
日産デイ−ゼル工業株式会社
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 日産デイ−ゼル工業株式会社 filed Critical 日産デイ−ゼル工業株式会社
Priority to JP9304981U priority Critical patent/JPS581726U/en
Publication of JPS581726U publication Critical patent/JPS581726U/en
Pending legal-status Critical Current

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  • Exhaust Silencers (AREA)
  • Characterised By The Charging Evacuation (AREA)

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) [Abstract] 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図は排気ポート圧力を示すグラフ、第２図イ１口は
筒内圧力を示すグラフ、第３図は本考案の第１実施例を
示し、排気慣性を利用した内燃機関の排気装置の一部を
平面で示す断面図、第４図は本考案の第２実施例を示し
、同要部の断面図、第５図は排気の下流側合流点の他の
実施例の平面図である。 １・・・・・・シリングブロック、２・・・用吸気ポー
ト、３・・・・・・吸気マニホルド、４・・・・・・排
気ポート、５・・・・・・排気マニホルド、６・・・・
・・開閉弁、６ａ・・・・・・バイメタル、７Ａ、　　
７Ｂ・・・・・・共鳴管、８・・・・・・排気マフラ、
Ａ・・・・・・排気の上流側合流点、Ｂ・・・・・・・
・・排気の下流側合流点。Fig. 1 is a graph showing the exhaust port pressure, Fig. 2 A is a graph showing the cylinder pressure, and Fig. 3 shows the first embodiment of the present invention. FIG. 4 is a cross-sectional view of the main part of the second embodiment of the present invention, and FIG. 5 is a plan view of another embodiment of the downstream confluence of exhaust gas. . 1... Schilling block, 2... Intake port for, 3... Intake manifold, 4... Exhaust port, 5... Exhaust manifold, 6... ...
...Opening/closing valve, 6a...Bimetal, 7A,
7B...Resonance pipe, 8...Exhaust muffler,
A... Upstream confluence of exhaust gas, B...
...Downstream confluence of exhaust gas.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 気筒を区分し、排気マニホルドに区分された気筒毎に共
鳴管を連設してなる排気慣性を利用した内燃機関の排気
装置において、共鳴管の上流側合流点に開閉弁を設け、
その開閉弁を機関負荷により制御して、低負荷時には開
弁、高負荷時には閉弁し、以って負荷の大小により排気
の分割長さを変えるようにしたことを特徴とする排気慣
性を利用した内燃機関の排気装置。In an exhaust system for an internal combustion engine that utilizes exhaust inertia, in which cylinders are divided and resonance pipes are connected to each cylinder in an exhaust manifold, an on-off valve is provided at the upstream confluence of the resonance pipes,
The on-off valve is controlled by the engine load, opening at low loads and closing at high loads, thereby making use of exhaust inertia, which is characterized by changing the length of the exhaust gas division depending on the magnitude of the load. exhaust system for internal combustion engines.
JP9304981U 1981-06-25 1981-06-25 Internal combustion engine exhaust system that uses exhaust inertia Pending JPS581726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9304981U JPS581726U (en) 1981-06-25 1981-06-25 Internal combustion engine exhaust system that uses exhaust inertia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9304981U JPS581726U (en) 1981-06-25 1981-06-25 Internal combustion engine exhaust system that uses exhaust inertia

Publications (1)

Publication Number Publication Date
JPS581726U true JPS581726U (en) 1983-01-07

Family

ID=29888036

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9304981U Pending JPS581726U (en) 1981-06-25 1981-06-25 Internal combustion engine exhaust system that uses exhaust inertia

Country Status (1)

Country Link
JP (1) JPS581726U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63239308A (en) * 1987-03-26 1988-10-05 Mazda Motor Corp Exhaust apparatus for v-type engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115513B2 (en) * 1971-09-04 1976-05-17
JPS5251125A (en) * 1975-10-22 1977-04-23 Chiyouriyou Sekkei Koumushiyo:Kk Universal link-motion and damper device having a chamber with a built- in bearing
JPS5522352U (en) * 1978-07-28 1980-02-13

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115513B2 (en) * 1971-09-04 1976-05-17
JPS5251125A (en) * 1975-10-22 1977-04-23 Chiyouriyou Sekkei Koumushiyo:Kk Universal link-motion and damper device having a chamber with a built- in bearing
JPS5522352U (en) * 1978-07-28 1980-02-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63239308A (en) * 1987-03-26 1988-10-05 Mazda Motor Corp Exhaust apparatus for v-type engine

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