JPS6162221U - - Google Patents
Info
- Publication number
- JPS6162221U JPS6162221U JP14778084U JP14778084U JPS6162221U JP S6162221 U JPS6162221 U JP S6162221U JP 14778084 U JP14778084 U JP 14778084U JP 14778084 U JP14778084 U JP 14778084U JP S6162221 U JPS6162221 U JP S6162221U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- oxygen sensor
- exhaust
- flow path
- cylinder
- 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
Links
- 239000007789 gas Substances 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims 2
- 238000000746 purification Methods 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 150000002926 oxygen Chemical class 0.000 description 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は、本考案の第１実施例の酸素センサの
取付構造例を示すエンジンの排気系部位の縦断面
図、第２図は、本考案の第２実施例の酸素センサ
の取付構造例を示すエンジンの排気系部位の縦断
面図、第３図は、本考案の第３実施例の酸素セン
サの取付構造例を示すエンジンの排気系部位の縦
断面図、第４図は、本考案の第３実施例の他の酸
素センサの取付構造例を示すエンジンの排気系部
位の縦断面図である。
１……燃焼室、２……排気ポート、３……排気
マニホルド、３ａ……排気ガス吸入流路、３ｂ…
…主排気ガス排出流路、３ｃ……酸素センサ取付
部空間、３ｄ……排気ガス集合部、３ｅ……中間
壁、４……酸素センサ、５……ミツクスチヤンバ
。
FIG. 1 is a longitudinal cross-sectional view of an engine exhaust system showing an example of the mounting structure of an oxygen sensor according to the first embodiment of the present invention, and FIG. 2 is an example of the mounting structure of an oxygen sensor according to the second embodiment of the present invention. FIG. 3 is a longitudinal sectional view of the exhaust system of an engine showing an example of the mounting structure of the oxygen sensor according to the third embodiment of the present invention, and FIG. FIG. 7 is a longitudinal cross-sectional view of an exhaust system portion of an engine showing another example of an oxygen sensor mounting structure according to the third embodiment. DESCRIPTION OF SYMBOLS 1...Combustion chamber, 2...Exhaust port, 3...Exhaust manifold, 3a...Exhaust gas intake channel, 3b...
...Main exhaust gas exhaust flow path, 3c...Oxygen sensor mounting space, 3d...Exhaust gas collection section, 3e...Intermediate wall, 4...Oxygen sensor, 5...Mix chamber.
Claims (1)
素濃度を検出し、その検出出力を燃料供給系にフ
イードバツクして燃焼時における空燃比を、排気
ポートより下流側に配設された排気ガス浄化装置
の優れた排気ガス浄化性能を、充分に発揮させ得
る最適範囲に制御させる酸素センサの取付構造で
あつて、 前記酸素センサを排気マニホルドにおける、主
排気ガス排出流路から隔断された部位に配設する
とともに、エンジン各気筒の排気ポートから排出
される排気ガスの上流方向に開口部を臨ませて、
該開口部から吸入された排気ガスを酸素センサ取
付部空間に導く排気ガス吸入流路を設けたことを
特徴とする酸素センサの取付構造。 ２ エンジンの各気筒の排気ポートに配設された
排気ガス吸入流路から吸入された、各気筒の排気
ガスの合流部位もしくは合流部位から酸素センサ
取付部空間に至る排気ガス吸入流路の途中に、各
気筒の排気ポートから吸入された排気ガスを混合
させるためのミツクスチヤンバを設けた、実用新
案登録請求の範囲第１項記載の酸素センサの取付
構造。 ３ 排気マニホルドの各気筒内に、主排気ガス排
出流路と酸素センサ取付部空間への排気ガス吸入
流路とを併設した、実用新案登録請求の範囲第１
項記載の酸素センサの取付構造。[Scope of Claim for Utility Model Registration] 1. Detecting the oxygen concentration of exhaust gas discharged from a multi-cylinder engine, feeding back the detected output to the fuel supply system, and adjusting the air-fuel ratio during combustion by distributing it downstream from the exhaust port. A mounting structure for an oxygen sensor that controls the excellent exhaust gas purification performance of an installed exhaust gas purification device to an optimal range that can fully demonstrate the oxygen sensor, the oxygen sensor being installed in an exhaust manifold from a main exhaust gas exhaust flow path. It is placed in a separated area, and the opening faces the upstream direction of the exhaust gas discharged from the exhaust port of each cylinder of the engine.
An oxygen sensor mounting structure characterized in that an exhaust gas intake flow path is provided for guiding exhaust gas sucked through the opening into the oxygen sensor mounting space. 2. In the middle of the exhaust gas intake flow path from the convergence site of the exhaust gas of each cylinder, which is inhaled from the exhaust gas suction flow path arranged in the exhaust port of each cylinder of the engine, or from the confluence site to the oxygen sensor mounting space. . The oxygen sensor mounting structure according to claim 1, which is provided with a mix chamber for mixing exhaust gases taken in from the exhaust ports of each cylinder. 3 Utility model registration claim No. 1 in which a main exhaust gas discharge flow path and an exhaust gas intake flow path to the oxygen sensor mounting space are provided in each cylinder of the exhaust manifold.
Mounting structure of oxygen sensor described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14778084U JPS6162221U (en) | 1984-09-28 | 1984-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14778084U JPS6162221U (en) | 1984-09-28 | 1984-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6162221U true JPS6162221U (en) | 1986-04-26 |
Family
ID=30706006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14778084U Pending JPS6162221U (en) | 1984-09-28 | 1984-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6162221U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011102419A1 (en) * | 2010-02-17 | 2011-08-25 | フタバ産業株式会社 | Exhaust device |
| JP2012102662A (en) * | 2010-11-10 | 2012-05-31 | Honda Motor Co Ltd | Structure for attaching exhaust gas sensor |
| JP2017075558A (en) * | 2015-10-14 | 2017-04-20 | フタバ産業株式会社 | Exhaust state detection device |
-
1984
- 1984-09-28 JP JP14778084U patent/JPS6162221U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011102419A1 (en) * | 2010-02-17 | 2011-08-25 | フタバ産業株式会社 | Exhaust device |
| CN102762842A (en) * | 2010-02-17 | 2012-10-31 | 双叶产业株式会社 | Exhaust device |
| JP2012102662A (en) * | 2010-11-10 | 2012-05-31 | Honda Motor Co Ltd | Structure for attaching exhaust gas sensor |
| JP2017075558A (en) * | 2015-10-14 | 2017-04-20 | フタバ産業株式会社 | Exhaust state detection device |
| WO2017064884A1 (en) * | 2015-10-14 | 2017-04-20 | フタバ産業株式会社 | Exhaust state detection device |
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