JPH02135649U - - Google Patents
Info
- Publication number
- JPH02135649U JPH02135649U JP4350089U JP4350089U JPH02135649U JP H02135649 U JPH02135649 U JP H02135649U JP 4350089 U JP4350089 U JP 4350089U JP 4350089 U JP4350089 U JP 4350089U JP H02135649 U JPH02135649 U JP H02135649U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- exhaust
- detection device
- component detection
- cover
- 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
- 230000002265 prevention Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 239000004071 soot Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 1
Description
第１〜４図は本考案に係る排気成分検出装置の
取付構造の第１実施例を示す図であり、第１図は
その酸素センサを排気管に取り付けるときの構成
図、第２図ａはその煤付着防止カバーの斜視図、
第２図ｂはその煤付着防止カバーの断面図、第３
図はその酸素センサを排気管に取り付けた状態を
示す図、第４図は第３図のＢ−Ｂ矢視断面図、第
５〜７図は本考案に係る排気成分検出装置の取付
構造の第２実施例を示す図であり、第５図はその
ＮＯｘセンサを排気管に取り付けた状態を示す図
、第６図はその煤付着防止カバーの一部断面図、
第７図は第６図のＣ方向矢視図、第８図は酸素セ
ンサを示す一部断面図側面図、第９図は第８図の
Ａ−Ａ矢視断面図である。
１……酸素センサ（排気成分検出装置）、２，
２３，２４……センサ素子、３，２５，２６……
保護カバー、４，２７，２８……ねじ部、５，２
９，３０……締付部、６，３１，３２……スリツ
ト、１１，３５……煤付着防止カバー、１２……
開口部、１３，４２……つば部、１４，４４……
溝、１５，４５……回り止め突起（回り止め手段
）、１６……排気管、１７，３４……取付開口部
、１８……回り止め凹部（回り止め手段）、１９
……ねじ部、２１，２２……ＮＯｘセンサ（排気
成分検出装置）、４３……ガス導入孔（開口部）
。
1 to 4 are diagrams showing a first embodiment of the mounting structure of the exhaust component detection device according to the present invention, FIG. 1 is a configuration diagram when the oxygen sensor is attached to an exhaust pipe, and FIG. A perspective view of the soot adhesion prevention cover,
Figure 2b is a sectional view of the soot adhesion prevention cover, Figure 3.
The figure shows the oxygen sensor attached to the exhaust pipe, Figure 4 is a sectional view taken along the line B-B in Figure 3, and Figures 5 to 7 show the mounting structure of the exhaust component detection device according to the present invention. FIG. 5 is a diagram showing a state in which the NO x sensor is attached to the exhaust pipe, FIG. 6 is a partial cross-sectional view of the soot adhesion prevention cover,
7 is a view taken along arrow C in FIG. 6, FIG. 8 is a partially sectional side view showing the oxygen sensor, and FIG. 9 is a sectional view taken along line AA in FIG. 8. 1...Oxygen sensor (exhaust component detection device), 2,
23, 24...sensor element, 3, 25, 26...
Protective cover, 4, 27, 28...Threaded part, 5, 2
9,30...Tightening part, 6,31,32...Slit, 11,35...Soot adhesion prevention cover, 12...
Opening, 13, 42...Brim, 14, 44...
Groove, 15, 45... Anti-rotation protrusion (preventing means), 16... Exhaust pipe, 17, 34... Mounting opening, 18... Preventing recess (preventing means), 19
...Screw part, 21, 22...NO x sensor (exhaust component detection device), 43...Gas introduction hole (opening)
.
Claims (1)
排気ガス中の成分濃度を検出するとともに、少な
くともセンサ素子の周りを取り囲み、該センサ素
子に排気ガスを導く保護カバーを有する排気成分
検出装置を、機関の排気管に形成された取付開口
部を介して取り付ける排気成分検出装置の取付構
造において、 前記排気管の取付開口部に、筒状形状でつば部
を有する煤付着防止カバーを設け、 該煤付着防止カバーは、前記センサ素子の周り
を取り囲む保護カバーとは別体で作られるととも
に、前記取付開口部を覆つて排気ガスの流れ方向
に交又するように突出し、その側面に排気ガスの
流れの下流側に開口して排気ガスを導く開口部を
形成し、さらに、そのつば部に、シール用の溝を
形成するとともに、回り止め手段を形成し、該回
り止め手段に対抗する排気管側にも回り止め手段
を形成して位置決めし、 該煤付着防止カバーを介して排気ガスを導くよ
うに前記排気成分検出装置を排気管に取り付ける
ことを特徴とする排気成分検出装置の取付構造。[Claims for Utility Model Registration] An exhaust gas that detects the concentration of components in the exhaust gas by bringing the sensor element into contact with the exhaust gas, and has a protective cover that surrounds at least the sensor element and guides the exhaust gas to the sensor element. In a mounting structure for an exhaust component detection device in which the component detection device is mounted through a mounting opening formed in an exhaust pipe of an engine, a soot adhesion prevention cover having a cylindrical shape and a flange portion is provided at the mounting opening of the exhaust pipe. The soot adhesion prevention cover is made separately from the protective cover surrounding the sensor element, and protrudes to cover the mounting opening and intersects with the flow direction of the exhaust gas, and the soot adhesion prevention cover is provided with a side surface thereof. An opening is formed on the downstream side of the flow of exhaust gas to guide the exhaust gas, and a groove for sealing is formed in the brim of the opening, and a rotation prevention means is formed, and the rotation prevention means is provided with a groove for sealing. An exhaust component detection device characterized in that the exhaust component detection device is attached to the exhaust pipe so as to form and position a rotation prevention means on the opposing exhaust pipe side, and to guide the exhaust gas through the soot adhesion prevention cover. mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4350089U JPH02135649U (en) | 1989-04-12 | 1989-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4350089U JPH02135649U (en) | 1989-04-12 | 1989-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135649U true JPH02135649U (en) | 1990-11-13 |
Family
ID=31555960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4350089U Pending JPH02135649U (en) | 1989-04-12 | 1989-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135649U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0861120A (en) * | 1994-06-30 | 1996-03-05 | Dresser Ind Inc | Detecting method of exhaust gas of internal combustion engine and exhaust gas sensor |
| JPH08135481A (en) * | 1994-11-10 | 1996-05-28 | Sanshin Ind Co Ltd | Sensor protecting structure of air-fuel ratio control device for engine |
| JPH08510332A (en) * | 1993-06-01 | 1996-10-29 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Measuring sensor unit in gas conduit |
| JPH11344463A (en) * | 1998-06-02 | 1999-12-14 | Toyota Motor Corp | Oxygen concentration sensor |
| JP2004144509A (en) * | 2002-10-22 | 2004-05-20 | Toyota Motor Corp | Gas sensor |
| JP2005513342A (en) * | 2001-12-07 | 2005-05-12 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | SEALING DEVICE AND SEALING METHOD |
| JP2006520438A (en) * | 2003-03-14 | 2006-09-07 | エミテク・ゲゼルシャフト・フュール・エミシオーンテクノロギー・ミット・ベシュレンクテル・ハフツング | Multi-line exhaust system with at least one detector, honeycomb body with openings for at least one detector, and method of operating a multi-line exhaust system |
| JP2008145288A (en) * | 2006-12-11 | 2008-06-26 | Denso Corp | Gas sensor mounting structure |
| JP2008268152A (en) * | 2007-04-25 | 2008-11-06 | Ngk Spark Plug Co Ltd | Gas sensor |
| JP2012118056A (en) * | 2010-11-12 | 2012-06-21 | Ngk Spark Plug Co Ltd | Gas sensor |
| JP2012211858A (en) * | 2011-03-31 | 2012-11-01 | Toyota Motor Corp | Gas sensor |
| JP2014025726A (en) * | 2012-07-24 | 2014-02-06 | Mitsubishi Motors Corp | Protective cover structure for gas sensor |
| JP2016109668A (en) * | 2014-11-26 | 2016-06-20 | 株式会社デンソー | Gas sensor attachment structure |
-
1989
- 1989-04-12 JP JP4350089U patent/JPH02135649U/ja active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08510332A (en) * | 1993-06-01 | 1996-10-29 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Measuring sensor unit in gas conduit |
| JPH0861120A (en) * | 1994-06-30 | 1996-03-05 | Dresser Ind Inc | Detecting method of exhaust gas of internal combustion engine and exhaust gas sensor |
| JPH08135481A (en) * | 1994-11-10 | 1996-05-28 | Sanshin Ind Co Ltd | Sensor protecting structure of air-fuel ratio control device for engine |
| JPH11344463A (en) * | 1998-06-02 | 1999-12-14 | Toyota Motor Corp | Oxygen concentration sensor |
| JP2005513342A (en) * | 2001-12-07 | 2005-05-12 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | SEALING DEVICE AND SEALING METHOD |
| JP2004144509A (en) * | 2002-10-22 | 2004-05-20 | Toyota Motor Corp | Gas sensor |
| JP2006520438A (en) * | 2003-03-14 | 2006-09-07 | エミテク・ゲゼルシャフト・フュール・エミシオーンテクノロギー・ミット・ベシュレンクテル・ハフツング | Multi-line exhaust system with at least one detector, honeycomb body with openings for at least one detector, and method of operating a multi-line exhaust system |
| US7721527B2 (en) | 2003-03-14 | 2010-05-25 | Emitec Gesellschaft Fuer Emissionstechnologie Mbh | Multi-line exhaust system having at least one measurement sensor, honeycomb body having a recess for at least one measurement sensor, and method for operating a multi-line exhaust system |
| JP2008145288A (en) * | 2006-12-11 | 2008-06-26 | Denso Corp | Gas sensor mounting structure |
| JP2008268152A (en) * | 2007-04-25 | 2008-11-06 | Ngk Spark Plug Co Ltd | Gas sensor |
| JP2012118056A (en) * | 2010-11-12 | 2012-06-21 | Ngk Spark Plug Co Ltd | Gas sensor |
| JP2012211858A (en) * | 2011-03-31 | 2012-11-01 | Toyota Motor Corp | Gas sensor |
| JP2014025726A (en) * | 2012-07-24 | 2014-02-06 | Mitsubishi Motors Corp | Protective cover structure for gas sensor |
| JP2016109668A (en) * | 2014-11-26 | 2016-06-20 | 株式会社デンソー | Gas sensor attachment structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02135649U (en) | ||
| JPS6334320U (en) | ||
| JPH0224375U (en) | ||
| JPH02149844U (en) | ||
| JPH0289593U (en) | ||
| JPH0210877Y2 (en) | ||
| JPS6239135U (en) | ||
| JPH01146155U (en) | ||
| JPH0629461Y2 (en) | Flow control valve for icing prevention of blow-by gas reduction device | |
| JPH01105814U (en) | ||
| JPS6254218U (en) | ||
| JPS62186047U (en) | ||
| JPS6212591U (en) | ||
| JPH01163257U (en) | ||
| JPH03118826U (en) | ||
| JPS6259858U (en) | ||
| JPS61194850U (en) | ||
| JPS6233954U (en) | ||
| JPS6288956U (en) | ||
| JPS6224058U (en) | ||
| JPH0235918U (en) | ||
| JPH01165364U (en) | ||
| JPS63121718U (en) | ||
| JPS62175215U (en) | ||
| JPH02108378U (en) |