JPS61104225A - 熱式空気流量測定装置 - Google Patents
熱式空気流量測定装置Info
- Publication number
- JPS61104225A JPS61104225A JP59225323A JP22532384A JPS61104225A JP S61104225 A JPS61104225 A JP S61104225A JP 59225323 A JP59225323 A JP 59225323A JP 22532384 A JP22532384 A JP 22532384A JP S61104225 A JPS61104225 A JP S61104225A
- Authority
- JP
- Japan
- Prior art keywords
- temp
- circuit
- signal
- sensing element
- temperature
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 17
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 239000000446 fuel Substances 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59225323A JPS61104225A (ja) | 1984-10-26 | 1984-10-26 | 熱式空気流量測定装置 |
| US06/729,852 US4665745A (en) | 1984-05-07 | 1985-05-02 | Heat wire type air flowrate measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59225323A JPS61104225A (ja) | 1984-10-26 | 1984-10-26 | 熱式空気流量測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61104225A true JPS61104225A (ja) | 1986-05-22 |
| JPH0523364B2 JPH0523364B2 (enrdf_load_stackoverflow) | 1993-04-02 |
Family
ID=16827551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59225323A Granted JPS61104225A (ja) | 1984-05-07 | 1984-10-26 | 熱式空気流量測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61104225A (enrdf_load_stackoverflow) |
-
1984
- 1984-10-26 JP JP59225323A patent/JPS61104225A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0523364B2 (enrdf_load_stackoverflow) | 1993-04-02 |
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