JPH05503361A - 流体の物理的性質を測定するための装置 - Google Patents
流体の物理的性質を測定するための装置Info
- Publication number
- JPH05503361A JPH05503361A JP3517100A JP51710091A JPH05503361A JP H05503361 A JPH05503361 A JP H05503361A JP 3517100 A JP3517100 A JP 3517100A JP 51710091 A JP51710091 A JP 51710091A JP H05503361 A JPH05503361 A JP H05503361A
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- resistor
- cleaning
- heating
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims description 16
- 230000000704 physical effect Effects 0.000 title claims description 6
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000000356 contaminant Substances 0.000 claims description 8
- 238000004380 ashing Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 7
- 238000011109 contamination Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000779 smoke Substances 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
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
- G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
- G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
- G01F1/692—Thin-film arrangements
-
- 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
-
- 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
- G01F1/6983—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters adapted for burning-off deposits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0029—Cleaning of the detector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
- G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH3594/90A CH683800A5 (fr) | 1990-11-13 | 1990-11-13 | Appareil pour la mesure de propriétés physiques de fluides. |
| CH3594/90-0 | 1990-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05503361A true JPH05503361A (ja) | 1993-06-03 |
Family
ID=4259357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3517100A Pending JPH05503361A (ja) | 1990-11-13 | 1991-11-05 | 流体の物理的性質を測定するための装置 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0510143A1 (fr) |
| JP (1) | JPH05503361A (fr) |
| CA (1) | CA2073688A1 (fr) |
| CH (1) | CH683800A5 (fr) |
| WO (1) | WO1992008956A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006502392A (ja) * | 2002-10-07 | 2006-01-19 | ワグナー アラーム− ウント ジッヒャルンクスシャテム ゲゼルシャフト ミット ベシュレンクテル ハフツング | 流体のフローパラメータ決定装置およびその動作方法 |
| EP2187182B1 (fr) * | 2008-11-12 | 2015-08-05 | Sensirion AG | Procédé de fonctionnement d'un capteur de flux qui est répétitivement sujet à des traitements de nettoyage thermiques et/ou chimiques, et appareil de mesure de débit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2900690A1 (de) * | 1979-01-10 | 1980-07-24 | Bosch Gmbh Robert | Einrichtung zur temperatursteuerung eines messzwecken dienenden widerstandes, insbesondere bei brennkraftmaschinen |
| US4279147A (en) * | 1980-01-10 | 1981-07-21 | Djorup Robert Sonny | Directional heat loss anemometer transducer |
| US4794795A (en) * | 1986-05-23 | 1989-01-03 | Djorup Robert Sonny | Directional thermal anemometer transducer |
| DE3835235A1 (de) * | 1988-10-15 | 1990-04-19 | Bosch Gmbh Robert | Einrichtung zur temperatursteuerung eines widerstands |
-
1990
- 1990-11-13 CH CH3594/90A patent/CH683800A5/fr not_active IP Right Cessation
-
1991
- 1991-11-05 EP EP91918894A patent/EP0510143A1/fr not_active Withdrawn
- 1991-11-05 CA CA002073688A patent/CA2073688A1/fr not_active Abandoned
- 1991-11-05 WO PCT/CH1991/000227 patent/WO1992008956A1/fr not_active Ceased
- 1991-11-05 JP JP3517100A patent/JPH05503361A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH683800A5 (fr) | 1994-05-13 |
| EP0510143A1 (fr) | 1992-10-28 |
| WO1992008956A1 (fr) | 1992-05-29 |
| CA2073688A1 (fr) | 1992-05-14 |
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