JPS627059U - - Google Patents
Info
- Publication number
- JPS627059U JPS627059U JP9670985U JP9670985U JPS627059U JP S627059 U JPS627059 U JP S627059U JP 9670985 U JP9670985 U JP 9670985U JP 9670985 U JP9670985 U JP 9670985U JP S627059 U JPS627059 U JP S627059U
- Authority
- JP
- Japan
- Prior art keywords
- intermediate wall
- protective cover
- inlet portion
- cover
- oxygen sensor
- 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 1
Landscapes
- 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実施例に係る酸素センサ
の保護カバーを適用したデユアル排気系の酸素セ
ンサ近傍の断面図、第２図は本考案の第２実施例
に係る酸素センサの保護カバーを適用したデユア
ル排気系の酸素センサ近傍の断面図、第３図は従
来の酸素センサの保護カバーを適用したデユアル
排気系の酸素センサ近傍の断面図、である。
１３ａ，１３ｂ……中間壁、１６……保護カバ
ー、１７ａ，１７ｂ……切欠き端面、１８ａ，１
８ｂ……第１の面、１９ａ，１９ｂ……側面、２
０ａ，２０ｂ……第２の面、２１ａ，２１ｂ……
迎入部、２２ａ，２２ｂ……突設部、Ｄａ，Ｄｂ
……隙間、ｄａ１，ｄａ２，ｄｂ１，ｄｂ２……
隙間。
Fig. 1 is a sectional view of the vicinity of the oxygen sensor of a dual exhaust system to which a protective cover for an oxygen sensor according to a first embodiment of the present invention is applied, and Fig. 2 is a protective cover for an oxygen sensor according to a second embodiment of the present invention. FIG. 3 is a cross-sectional view of the vicinity of an oxygen sensor in a dual exhaust system to which a conventional oxygen sensor protective cover is applied. 13a, 13b... Intermediate wall, 16... Protective cover, 17a, 17b... Notch end surface, 18a, 1
8b...first surface, 19a, 19b...side surface, 2
0a, 20b... second surface, 21a, 21b...
Inlet part, 22a, 22b...Protrusion part, Da, Db
... Gap, da 1 , da 2 , db 1 , db 2 ...
gap.
Claims (1)
酸素センサの保護カバーにおいて、保護カバーに
中間壁の切欠き端面と対向する第１の面および中
間壁の側面と対向する第２の面を有する切欠き端
の迎入部を形成し、中間壁の切欠き端面と迎入部
の第１の面との間に中間壁の熱膨張を吸収し得る
量の隙間を設け、中間壁の側面と迎入部の第２の
面との間に排気の流通を小に抑制する極小の隙間
を設けたことを特徴とする酸素センサの保護カバ
ー。 In a protective cover for an oxygen sensor disposed in a notch in an intermediate wall of a dual exhaust system, the protective cover has a first surface facing the notch end surface of the intermediate wall and a second surface facing a side surface of the intermediate wall. A notch end is formed with an inlet portion, a gap is provided between the notch end surface of the intermediate wall and the first surface of the inlet portion in an amount capable of absorbing thermal expansion of the intermediate wall, and a side surface of the intermediate wall and the inlet portion are provided. 1. A protective cover for an oxygen sensor, characterized in that an extremely small gap is provided between the cover and the second surface of the cover to minimize the flow of exhaust gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9670985U JPS627059U (en) | 1985-06-27 | 1985-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9670985U JPS627059U (en) | 1985-06-27 | 1985-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS627059U true JPS627059U (en) | 1987-01-16 |
Family
ID=30962751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9670985U Pending JPS627059U (en) | 1985-06-27 | 1985-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02134819U (en) * | 1989-04-05 | 1990-11-08 |
-
1985
- 1985-06-27 JP JP9670985U patent/JPS627059U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02134819U (en) * | 1989-04-05 | 1990-11-08 |