GB9213196D0 - Apparatus for monitoring carbon dioxide - Google Patents

Apparatus for monitoring carbon dioxide

Info

Publication number
GB9213196D0
GB9213196D0 GB929213196A GB9213196A GB9213196D0 GB 9213196 D0 GB9213196 D0 GB 9213196D0 GB 929213196 A GB929213196 A GB 929213196A GB 9213196 A GB9213196 A GB 9213196A GB 9213196 D0 GB9213196 D0 GB 9213196D0
Authority
GB
United Kingdom
Prior art keywords
carbon dioxide
monitoring carbon
monitoring
dioxide
carbon
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.)
Withdrawn
Application number
GB929213196A
Other versions
GB2257255A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hycontrol Technology Ltd
Original Assignee
Hycontrol Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB919114024A external-priority patent/GB9114024D0/en
Priority claimed from GB929205164A external-priority patent/GB9205164D0/en
Application filed by Hycontrol Technology Ltd filed Critical Hycontrol Technology Ltd
Publication of GB9213196D0 publication Critical patent/GB9213196D0/en
Publication of GB2257255A publication Critical patent/GB2257255A/en
Withdrawn legal-status Critical Current

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
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/011—Velocity or travel time
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
GB9213196A 1991-06-28 1992-06-22 Monitoring the concentration of carbon dioxide Withdrawn GB2257255A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919114024A GB9114024D0 (en) 1991-06-28 1991-06-28 Apparatus for monitoring carbon dioxide
GB929205164A GB9205164D0 (en) 1992-03-10 1992-03-10 Apparatus for monitoring carbon dioxide

Publications (2)

Publication Number Publication Date
GB9213196D0 true GB9213196D0 (en) 1992-08-05
GB2257255A GB2257255A (en) 1993-01-06

Family

ID=26299151

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9213196A Withdrawn GB2257255A (en) 1991-06-28 1992-06-22 Monitoring the concentration of carbon dioxide

Country Status (1)

Country Link
GB (1) GB2257255A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117929653A (en) * 2024-03-12 2024-04-26 应急管理部国家自然灾害防治研究院 Method for monitoring carbon dioxide leakage of geological buried body

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2114492B1 (en) * 1996-05-22 1999-01-16 Barba Trigueros Francisco DEVICE FOR THE DETECTION IN THE AIR OF COMBUSTIBLE GASES, OF THE SUPPLIED TO HABITATED BUILDINGS OF NON-INDUSTRIAL USE THROUGH ULTRASONICS.
SE522062C2 (en) 2000-10-09 2004-01-13 Hoek Instr Ab CO2 sensor
US7169490B2 (en) 2004-03-29 2007-01-30 Ballard Power Systems Inc. Hydrogen concentration sensor for an electrochemical fuel cell
DE102007003938A1 (en) * 2007-01-26 2008-07-31 Daimler Ag Fuel cell system with ultrasonic detector
JP6832152B2 (en) * 2016-12-21 2021-02-24 上田日本無線株式会社 Gas concentration measuring device and its calibration method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO791305L (en) * 1978-08-04 1980-02-05 Sub Sea Oil Services Ssos Gas analyzers
US4662212A (en) * 1984-09-10 1987-05-05 Sumitomo Bakelite Company Limited Measuring instrument for concentration of gas
GB2210977A (en) * 1987-10-14 1989-06-21 Gen Electric Co Plc Ultrasonic gas composition measurement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117929653A (en) * 2024-03-12 2024-04-26 应急管理部国家自然灾害防治研究院 Method for monitoring carbon dioxide leakage of geological buried body

Also Published As

Publication number Publication date
GB2257255A (en) 1993-01-06

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)