JPS62108862U - - Google Patents
Info
- Publication number
- JPS62108862U JPS62108862U JP20143685U JP20143685U JPS62108862U JP S62108862 U JPS62108862 U JP S62108862U JP 20143685 U JP20143685 U JP 20143685U JP 20143685 U JP20143685 U JP 20143685U JP S62108862 U JPS62108862 U JP S62108862U
- Authority
- JP
- Japan
- Prior art keywords
- oxygen concentration
- concentration detection
- protection tube
- detection element
- exhaust gas
- 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 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第1図は本考案に係る酸素濃度検出装置の要部
である酸素濃度検出素子の平面図、第2図は第1
図に関する―断面図、第3図は空燃比制御装
置を含む電流供給回路を示す図、第4図及び第5
図は上記酸素濃度検出素子とこれを囲繞する保護
管の各々平断面図及び正断面図、第6図aは該保
護管への放熱量並びに応答のレスポンスと寸法:
eとの関係を示す図、第6図b及びcは外側保護
管からの放熱量並びに応答のレスポンスと離隔距
離:fとの関係を示す図、第7図は該酸素濃度検
出装置の出力特性を示す図、第8図は拡散抵抗と
ポンプ電流値との関係を示す特性図である。
主要部分の符号の説明、40……酸素濃度検出
素子、41……内側保護管、42……外側保護管
。
FIG. 1 is a plan view of an oxygen concentration detection element which is a main part of the oxygen concentration detection device according to the present invention, and FIG.
Regarding the figures - sectional view, Figure 3 is a diagram showing the current supply circuit including the air-fuel ratio control device, Figures 4 and 5 are
The figures are a plan sectional view and a front sectional view of the oxygen concentration detection element and the protective tube surrounding it, respectively, and Figure 6a shows the amount of heat dissipated to the protective tube, the response and dimensions:
Figures 6b and 6c are diagrams showing the relationship between the amount of heat released from the outer protective tube and the response and the separation distance: f. Figure 7 is the output characteristics of the oxygen concentration detection device. FIG. 8 is a characteristic diagram showing the relationship between diffusion resistance and pump current value. Explanation of symbols of main parts, 40...Oxygen concentration detection element, 41...Inner protection tube, 42...Outer protection tube.
Claims (1)
ガスの酸素濃度に比例する出力を発生する酸素濃
度検出素子と、前記酸素濃度検出素子を囲繞する
保護部材とを有し、前記保護部材は排気ガス通過
孔を有する内側保護管と、排気ガス通過孔を有し
前記内側保護管を所定の間隙を隔てて囲繞する外
側保護管とから成り、前記酸素濃度検出素子の先
端と前記内側保護管の先端部内面との距離が3mm
以上かつ10mm以下であることを特徴とする酸素
濃度検出装置。 It has an oxygen concentration detection element that protrudes into an exhaust gas passage of an internal combustion engine and generates an output proportional to the oxygen concentration of the exhaust gas, and a protective member that surrounds the oxygen concentration detection element, and the protective member It consists of an inner protection tube having a passage hole, and an outer protection tube having an exhaust gas passage hole and surrounding the inner protection tube with a predetermined gap, the tip of the oxygen concentration detection element and the tip of the inner protection tube. The distance from the inner surface of the part is 3 mm.
An oxygen concentration detection device characterized in that the diameter is greater than or equal to 10 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20143685U JPS62108862U (en) | 1985-12-25 | 1985-12-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20143685U JPS62108862U (en) | 1985-12-25 | 1985-12-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62108862U true JPS62108862U (en) | 1987-07-11 |
Family
ID=31164885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20143685U Pending JPS62108862U (en) | 1985-12-25 | 1985-12-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62108862U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014122876A (en) * | 2012-11-20 | 2014-07-03 | Denso Corp | Gas sensor |
-
1985
- 1985-12-25 JP JP20143685U patent/JPS62108862U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014122876A (en) * | 2012-11-20 | 2014-07-03 | Denso Corp | Gas sensor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS61125758U (en) | ||
JPS62108862U (en) | ||
JPS62108863U (en) | ||
JPS6212864U (en) | ||
JPS6255161U (en) | ||
JPH01146155U (en) | ||
JPS6224267U (en) | ||
JPS582664U (en) | Oxygen concentration sensor | |
JPS61119755U (en) | ||
JPS61125754U (en) | ||
JPS6298957U (en) | ||
JPS61127451U (en) | ||
JPS61127449U (en) | ||
JPS62112467U (en) | ||
JPS6115556U (en) | Combustion safety device sensor | |
JPH0475961U (en) | ||
JPS63146756U (en) | ||
JPS6189652U (en) | ||
JPS61162555U (en) | ||
JPS61141547U (en) | ||
JPH0292453U (en) | ||
JPH0346746U (en) | ||
JPS58120942U (en) | Incomplete combustion detection sensor | |
JPS62111538U (en) | ||
JPS5821758U (en) | Combustion state detection device |