HK1059962A1 - Equipment and method for measuring concentration and flow rate of gas ultrasonically - Google Patents
Equipment and method for measuring concentration and flow rate of gas ultrasonicallyInfo
- Publication number
- HK1059962A1 HK1059962A1 HK04102798A HK04102798A HK1059962A1 HK 1059962 A1 HK1059962 A1 HK 1059962A1 HK 04102798 A HK04102798 A HK 04102798A HK 04102798 A HK04102798 A HK 04102798A HK 1059962 A1 HK1059962 A1 HK 1059962A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- ultrasonically
- gas
- equipment
- flow rate
- measuring concentration
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
- G01N29/326—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise compensating for temperature variations
-
- 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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic 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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic 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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
- G01F1/668—Compensating or correcting for variations in velocity of sound
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/222—Constructional or flow details for analysing fluids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/021—Gases
- G01N2291/0212—Binary gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/021—Gases
- G01N2291/0215—Mixtures of three or more gases, e.g. air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02809—Concentration of a compound, e.g. measured by a surface mass change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/102—Number of transducers one emitter, one receiver
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001012861A JP4169483B2 (ja) | 2001-01-22 | 2001-01-22 | 超音波式ガス濃度流量測定方法及び装置 |
JP2001012862A JP4536939B2 (ja) | 2001-01-22 | 2001-01-22 | 超音波反射式ガス濃度測定方法及び装置 |
PCT/JP2002/000438 WO2002057770A1 (fr) | 2001-01-22 | 2002-01-22 | Appareil et procede pour mesurer la concentration et le debit de gaz par ultrasons |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1059962A1 true HK1059962A1 (en) | 2004-07-23 |
Family
ID=26608054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK04102798A HK1059962A1 (en) | 2001-01-22 | 2004-04-21 | Equipment and method for measuring concentration and flow rate of gas ultrasonically |
Country Status (11)
Country | Link |
---|---|
US (1) | US6912907B2 (pt) |
EP (1) | EP1286159B1 (pt) |
KR (1) | KR100943874B1 (pt) |
CN (1) | CN1285906C (pt) |
AU (1) | AU2002225467B2 (pt) |
CA (1) | CA2403862C (pt) |
ES (1) | ES2431956T3 (pt) |
HK (1) | HK1059962A1 (pt) |
PT (1) | PT1286159E (pt) |
TW (1) | TW520993B (pt) |
WO (1) | WO2002057770A1 (pt) |
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WO2005018789A2 (ja) * | 2003-08-26 | 2005-03-03 | Teijin Pharma Limited | 酸素濃縮装置 |
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JP3876370B2 (ja) * | 1998-11-10 | 2007-01-31 | バブコック日立株式会社 | 音響式流速計測装置 |
EP1030176A3 (en) * | 1999-02-15 | 2003-11-05 | NGK Spark Plug Company Limited | Gas concentration sensor |
KR100349504B1 (ko) * | 2000-04-24 | 2002-08-21 | 주식회사 창민테크 | 초음파 유속 측정장치 |
-
2002
- 2002-01-22 PT PT2715872T patent/PT1286159E/pt unknown
- 2002-01-22 EP EP02715872.4A patent/EP1286159B1/en not_active Expired - Lifetime
- 2002-01-22 ES ES02715872T patent/ES2431956T3/es not_active Expired - Lifetime
- 2002-01-22 US US10/239,227 patent/US6912907B2/en not_active Expired - Lifetime
- 2002-01-22 CA CA2403862A patent/CA2403862C/en not_active Expired - Fee Related
- 2002-01-22 TW TW091100959A patent/TW520993B/zh not_active IP Right Cessation
- 2002-01-22 AU AU2002225467A patent/AU2002225467B2/en not_active Ceased
- 2002-01-22 KR KR1020027012306A patent/KR100943874B1/ko active IP Right Grant
- 2002-01-22 CN CNB028001559A patent/CN1285906C/zh not_active Expired - Lifetime
- 2002-01-22 WO PCT/JP2002/000438 patent/WO2002057770A1/ja active Application Filing
-
2004
- 2004-04-21 HK HK04102798A patent/HK1059962A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6912907B2 (en) | 2005-07-05 |
EP1286159A1 (en) | 2003-02-26 |
CA2403862C (en) | 2010-06-29 |
CN1285906C (zh) | 2006-11-22 |
CN1455865A (zh) | 2003-11-12 |
WO2002057770A1 (fr) | 2002-07-25 |
KR100943874B1 (ko) | 2010-02-24 |
AU2002225467B2 (en) | 2006-07-20 |
TW520993B (en) | 2003-02-21 |
US20030136193A1 (en) | 2003-07-24 |
EP1286159B1 (en) | 2013-09-11 |
ES2431956T3 (es) | 2013-11-28 |
PT1286159E (pt) | 2013-10-08 |
CA2403862A1 (en) | 2002-09-20 |
EP1286159A4 (en) | 2007-05-09 |
KR20020086656A (ko) | 2002-11-18 |
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Legal Events
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PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20190122 |