JPS64652B2 - - Google Patents
Info
- Publication number
- JPS64652B2 JPS64652B2 JP55048191A JP4819180A JPS64652B2 JP S64652 B2 JPS64652 B2 JP S64652B2 JP 55048191 A JP55048191 A JP 55048191A JP 4819180 A JP4819180 A JP 4819180A JP S64652 B2 JPS64652 B2 JP S64652B2
- Authority
- JP
- Japan
- Prior art keywords
- electric heater
- temperature
- flow rate
- voltage
- bridge
- 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
- 230000001419 dependent effect Effects 0.000 claims description 30
- 238000005259 measurement Methods 0.000 claims description 18
- 239000000446 fuel Substances 0.000 description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 229910052697 platinum Inorganic materials 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Details Of Flowmeters (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4819180A JPS56143915A (en) | 1980-04-11 | 1980-04-11 | Measuring device for gas flow rate |
| US06/252,005 US4409828A (en) | 1980-04-11 | 1981-04-07 | Gas flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4819180A JPS56143915A (en) | 1980-04-11 | 1980-04-11 | Measuring device for gas flow rate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56143915A JPS56143915A (en) | 1981-11-10 |
| JPS64652B2 true JPS64652B2 (OSRAM) | 1989-01-09 |
Family
ID=12796489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4819180A Granted JPS56143915A (en) | 1980-04-11 | 1980-04-11 | Measuring device for gas flow rate |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4409828A (OSRAM) |
| JP (1) | JPS56143915A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0635346U (ja) * | 1992-01-24 | 1994-05-10 | 金一 鎌田 | マンホールの防振防塵パッキング |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1214876A (en) * | 1983-11-16 | 1986-12-02 | Toshio Kondo | Apparatus for measuring a flow rate of intake air for an engine |
| GB2155660B (en) * | 1984-02-24 | 1988-04-20 | Nippon Denso Co | Engine control system |
| US4566320A (en) * | 1984-05-07 | 1986-01-28 | Honeywell, Inc. | Fluid flow sensing means with ambient temperature compensation |
| US4637253A (en) * | 1984-05-22 | 1987-01-20 | Kabushiki Kaisha Toshiba | Semiconductor flow detector for detecting the flow rate and flowing direction of fluid |
| JPS60247169A (ja) * | 1984-05-22 | 1985-12-06 | Toshiba Corp | 半導体流速検出器 |
| JPS60247170A (ja) * | 1984-05-22 | 1985-12-06 | Toshiba Corp | 半導体流速検出器 |
| JPS60247171A (ja) * | 1984-05-22 | 1985-12-06 | Toshiba Corp | 半導体流速検出器 |
| JPS60252139A (ja) * | 1984-05-28 | 1985-12-12 | Nippon Denso Co Ltd | エンジンの制御装置 |
| JPS611847A (ja) * | 1984-06-13 | 1986-01-07 | Nippon Denso Co Ltd | 内燃機関の制御装置 |
| DE3637541A1 (de) * | 1986-11-04 | 1988-05-05 | Vdo Schindling | Vorrichtung zur bestimmung des massenstromes und der durchflussrichtung |
| KR910002791B1 (ko) * | 1987-01-23 | 1991-05-04 | 미쓰비시 뎅끼 가부시기가이샤 | 에어프로센서용 입력처리회로 |
| US4907446A (en) * | 1988-02-24 | 1990-03-13 | Mitsubishi Denki Kabushiki Kaisha | Flow sensor incorporating a thermoresistor |
| AT503955B1 (de) * | 2006-12-21 | 2008-02-15 | Vaillant Austria Gmbh | Strömungssensor und verfahren zur überprüfung und zum betrieb eines solchen strömungssensors |
| AT505302B1 (de) * | 2007-09-19 | 2008-12-15 | Vaillant Austria Gmbh | Verfahren zur kalibrierung eines strömungssensors mit zwei temperatursensitiven widerständen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3800592A (en) * | 1972-01-13 | 1974-04-02 | Westerbeke J Corp | Flowmeter |
| US3975951A (en) * | 1974-03-21 | 1976-08-24 | Nippon Soken, Inc. | Intake-air amount detecting system for an internal combustion engine |
-
1980
- 1980-04-11 JP JP4819180A patent/JPS56143915A/ja active Granted
-
1981
- 1981-04-07 US US06/252,005 patent/US4409828A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0635346U (ja) * | 1992-01-24 | 1994-05-10 | 金一 鎌田 | マンホールの防振防塵パッキング |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56143915A (en) | 1981-11-10 |
| US4409828A (en) | 1983-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0023970B1 (en) | Air flow meter | |
| US4213335A (en) | Flow rate meter with temperature dependent resistor | |
| US4283944A (en) | Apparatus for measuring the mass of a fluid medium | |
| JPS64652B2 (OSRAM) | ||
| JPH0239626B2 (OSRAM) | ||
| JPH0256611B2 (OSRAM) | ||
| EP1742025B1 (en) | Thermal type flow measuring apparatus | |
| US4357830A (en) | Gas flow measuring apparatus | |
| US4587843A (en) | Thermocouple-type gas-flow measuring apparatus | |
| JPS6140924B2 (OSRAM) | ||
| US4399698A (en) | Gas flow measuring apparatus | |
| JPH0133763B2 (OSRAM) | ||
| KR900005880B1 (ko) | 열식유량계(熱式流量計) | |
| US4261199A (en) | Air flow measurement apparatus | |
| US4437345A (en) | Gas flow measuring device | |
| US5394746A (en) | Hot wire flow rate measuring circuit | |
| JP2957769B2 (ja) | 熱式空気流量計及びエンジン制御装置 | |
| JPH0356409B2 (OSRAM) | ||
| JPH06265385A (ja) | 空気流量測定装置 | |
| JPH0143883B2 (OSRAM) | ||
| JPS6013446B2 (ja) | 気体流量測定装置 | |
| JP3022203B2 (ja) | 熱式空気流量検出装置 | |
| KR820002255B1 (ko) | 공기유량 측정장치 | |
| JPS5834320A (ja) | 気体流量測定装置 | |
| JPS6051044B2 (ja) | 気体流量測定装置 |