JPH0411166Y2 - - Google Patents
Info
- Publication number
- JPH0411166Y2 JPH0411166Y2 JP1984198279U JP19827984U JPH0411166Y2 JP H0411166 Y2 JPH0411166 Y2 JP H0411166Y2 JP 1984198279 U JP1984198279 U JP 1984198279U JP 19827984 U JP19827984 U JP 19827984U JP H0411166 Y2 JPH0411166 Y2 JP H0411166Y2
- Authority
- JP
- Japan
- Prior art keywords
- gas detection
- detection piece
- temperature
- heater
- bridge circuit
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 40
- 239000000446 fuel Substances 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 35
- 230000035945 sensitivity Effects 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 10
- 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
- 229910002367 SrTiO Inorganic materials 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984198279U JPH0411166Y2 (ko) | 1984-12-28 | 1984-12-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984198279U JPH0411166Y2 (ko) | 1984-12-28 | 1984-12-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61114353U JPS61114353U (ko) | 1986-07-19 |
JPH0411166Y2 true JPH0411166Y2 (ko) | 1992-03-19 |
Family
ID=30757138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984198279U Expired JPH0411166Y2 (ko) | 1984-12-28 | 1984-12-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0411166Y2 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5237494A (en) * | 1975-09-20 | 1977-03-23 | Matsushita Electric Works Ltd | Gas, smoke detection device |
JPS567056B2 (ko) * | 1973-10-03 | 1981-02-16 | ||
JPS5737824A (en) * | 1980-08-20 | 1982-03-02 | Seiko Epson Corp | Method and device for impurity diffusion |
JPS5796248A (en) * | 1980-12-05 | 1982-06-15 | Matsushita Electric Ind Co Ltd | Detecting method for gas using superparticulate gas sensor |
JPS5842960A (ja) * | 1981-09-08 | 1983-03-12 | Matsushita Electric Works Ltd | 可燃性ガス検知装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6123789Y2 (ko) * | 1979-06-28 | 1986-07-16 |
-
1984
- 1984-12-28 JP JP1984198279U patent/JPH0411166Y2/ja not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS567056B2 (ko) * | 1973-10-03 | 1981-02-16 | ||
JPS5237494A (en) * | 1975-09-20 | 1977-03-23 | Matsushita Electric Works Ltd | Gas, smoke detection device |
JPS5737824A (en) * | 1980-08-20 | 1982-03-02 | Seiko Epson Corp | Method and device for impurity diffusion |
JPS5796248A (en) * | 1980-12-05 | 1982-06-15 | Matsushita Electric Ind Co Ltd | Detecting method for gas using superparticulate gas sensor |
JPS5842960A (ja) * | 1981-09-08 | 1983-03-12 | Matsushita Electric Works Ltd | 可燃性ガス検知装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS61114353U (ko) | 1986-07-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6084418A (en) | Method for accurately detecting sensor element resistance | |
US4492205A (en) | Method of controlling the air-fuel ratio in an internal combustion engine | |
US6467954B2 (en) | Resistance component detecting apparatus for an oxygen concentration sensor and oxygen-concentration detecting apparatus | |
JPH0697220B2 (ja) | 空燃比検出装置 | |
EP0136144B1 (en) | Engine air/fuel ratio sensing device | |
US4233033A (en) | Method and apparatus for measuring the O2 content of a gas | |
US7017567B2 (en) | Device and method for measuring element temperature of air-fuel ratio sensor, and device and method for controlling heater of air-fuel ratio sensor | |
JPS61272439A (ja) | エンジンの空燃比検出装置 | |
US4519237A (en) | Oxygen-sensing system | |
JPH0411166Y2 (ko) | ||
JPH0778484B2 (ja) | 空燃比センサの温度制御装置 | |
JPS6118016B2 (ko) | ||
JPH0411165Y2 (ko) | ||
JPH041493Y2 (ko) | ||
JPH07117527B2 (ja) | 酸素濃度検出装置 | |
JPH041492Y2 (ko) | ||
JPH0219727Y2 (ko) | ||
JPH0627078A (ja) | 空燃比検出装置 | |
JPS6135347A (ja) | 酸素センサの加熱装置 | |
JP6345215B2 (ja) | ガス濃度センサのヒータ制御装置 | |
JPS62119322A (ja) | 燃焼器の制御方法 | |
JPH053900B2 (ko) | ||
JPS6017349A (ja) | 空燃比制御装置 | |
JPS6219700B2 (ko) | ||
JPH0219728Y2 (ko) |