JPH0357413B2 - - Google Patents
Info
- Publication number
- JPH0357413B2 JPH0357413B2 JP59083269A JP8326984A JPH0357413B2 JP H0357413 B2 JPH0357413 B2 JP H0357413B2 JP 59083269 A JP59083269 A JP 59083269A JP 8326984 A JP8326984 A JP 8326984A JP H0357413 B2 JPH0357413 B2 JP H0357413B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- voltage
- electric heater
- flow rate
- terminal
- 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 - Lifetime
Links
- 230000001419 dependent effect Effects 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 16
- 230000000694 effects Effects 0.000 description 8
- 239000000446 fuel Substances 0.000 description 8
- 229910052697 platinum Inorganic materials 0.000 description 8
- 230000004044 response Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing 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
- G01F1/6986—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters with pulsed heating, e.g. dynamic methods
-
- 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)
- Details Of Flowmeters (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59083269A JPS60225028A (ja) | 1984-04-24 | 1984-04-24 | 流体流量測定装置 |
US06/724,964 US4693115A (en) | 1984-04-24 | 1985-04-19 | Device for measuring flow rate of air |
DE19853514836 DE3514836A1 (de) | 1984-04-24 | 1985-04-24 | Vorrichtung zum messen des durchsatzes von luft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59083269A JPS60225028A (ja) | 1984-04-24 | 1984-04-24 | 流体流量測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60225028A JPS60225028A (ja) | 1985-11-09 |
JPH0357413B2 true JPH0357413B2 (en, 2012) | 1991-09-02 |
Family
ID=13797634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59083269A Granted JPS60225028A (ja) | 1984-04-24 | 1984-04-24 | 流体流量測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60225028A (en, 2012) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60242372A (ja) * | 1984-05-17 | 1985-12-02 | Rion Co Ltd | 熱式風速計 |
JPS61182819U (en, 2012) * | 1985-05-08 | 1986-11-14 | ||
JPH0521018Y2 (en, 2012) * | 1986-01-20 | 1993-05-31 | ||
JPS62231174A (ja) * | 1986-03-31 | 1987-10-09 | Sharp Corp | 流速測定方法 |
JPS6413419A (en) * | 1987-07-08 | 1989-01-18 | Shimadzu Corp | Flow rate sensor |
-
1984
- 1984-04-24 JP JP59083269A patent/JPS60225028A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60225028A (ja) | 1985-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3975951A (en) | Intake-air amount detecting system for an internal combustion engine | |
US4649745A (en) | Apparatus for measuring a flow rate of intake air for an engine | |
US4450719A (en) | Air flow meter | |
JP2682348B2 (ja) | 空気流量計及び空気流量検出方法 | |
US4693115A (en) | Device for measuring flow rate of air | |
US4417471A (en) | Gas flow measuring device | |
KR900016599A (ko) | 열식 흡입공기량 계측기 및 이 계측기를 사용한 내연기관제어장치 | |
US5585748A (en) | Voltage-frequency converter circuit with temperature compensation | |
JPS6140924B2 (en, 2012) | ||
JPS64652B2 (en, 2012) | ||
JPH0690062B2 (ja) | 熱式流速検出装置 | |
JPH0357413B2 (en, 2012) | ||
US5616843A (en) | Method and circuit configuration for protecting a heated temperature-dependent sensor resistor against overheating | |
US4384484A (en) | Gas flow measuring device | |
US4713765A (en) | Control system for an engine having an air intake passage | |
EP0078427A2 (en) | Air flow meter | |
JPH0347692B2 (en, 2012) | ||
JP2929950B2 (ja) | 内燃機関の制御装置 | |
JPS58110826A (ja) | 内燃機関の吸気温信号発生装置 | |
JPH0356409B2 (en, 2012) | ||
JPH0477857B2 (en, 2012) | ||
JPH0746058B2 (ja) | 空気流量検出器 | |
JPS61164116A (ja) | 空気流量測定装置 | |
JP3064086B2 (ja) | 空気流量計及びこれを用いたエンジン制御システム | |
JP2857491B2 (ja) | 熱線式空気流量計 |