JPH0143885B2 - - Google Patents
Info
- Publication number
- JPH0143885B2 JPH0143885B2 JP57034785A JP3478582A JPH0143885B2 JP H0143885 B2 JPH0143885 B2 JP H0143885B2 JP 57034785 A JP57034785 A JP 57034785A JP 3478582 A JP3478582 A JP 3478582A JP H0143885 B2 JPH0143885 B2 JP H0143885B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- voltage
- dependent
- resistor
- current
- 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 56
- 239000012530 fluid Substances 0.000 claims description 28
- 238000001514 detection method Methods 0.000 description 26
- 238000010586 diagram Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000009966 trimming 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Flowmeters (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57034785A JPS58151516A (ja) | 1982-03-04 | 1982-03-04 | 流量測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57034785A JPS58151516A (ja) | 1982-03-04 | 1982-03-04 | 流量測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58151516A JPS58151516A (ja) | 1983-09-08 |
| JPH0143885B2 true JPH0143885B2 (de) | 1989-09-25 |
Family
ID=12423926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57034785A Granted JPS58151516A (ja) | 1982-03-04 | 1982-03-04 | 流量測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58151516A (de) |
-
1982
- 1982-03-04 JP JP57034785A patent/JPS58151516A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58151516A (ja) | 1983-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5461913A (en) | Differential current thermal mass flow transducer | |
| US5753815A (en) | Thermo-sensitive flow sensor for measuring flow velocity and flow rate of a gas | |
| US4487063A (en) | Solid state mass air flow sensor | |
| US3942378A (en) | Fluid flow measuring system | |
| JP2631481B2 (ja) | 質量流量計とその計測方法 | |
| US3967188A (en) | Temperature compensation circuit for sensor of physical variables such as temperature and pressure | |
| US4872339A (en) | Mass flow meter | |
| TW432268B (en) | Improved mass flow sensor interface circuit | |
| JP3802443B2 (ja) | 流速センサ | |
| US3968685A (en) | Transistor anemometer | |
| JP2003523507A (ja) | 抵抗値を平衡させる方法および装置 | |
| JPS5868618A (ja) | 流量計 | |
| JPH0143885B2 (de) | ||
| JP3153787B2 (ja) | 抵抗体による熱伝導パラメータセンシング方法及びセンサ回路 | |
| JPH0449893B2 (de) | ||
| KR100262225B1 (ko) | 유속측정회로 | |
| RU2018090C1 (ru) | Массовый расходомер | |
| SU970113A1 (ru) | Тепловой расходомер | |
| JP3373981B2 (ja) | 熱式流量測定装置 | |
| JP3019009U (ja) | 質量流量計 | |
| CA1051219A (en) | Temperature sensitive device for measuring the flow velocity of a medium | |
| SU613248A1 (ru) | Датчик скорости газового потока | |
| JP2949527B2 (ja) | 質量流量計 | |
| JPH0843456A (ja) | 交流レベル検出回路 | |
| JPS62237321A (ja) | 熱式流量計 |