GB2582600B - Method to improve the performance of gas measurement devices at low sample pressure - Google Patents

Method to improve the performance of gas measurement devices at low sample pressure Download PDF

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Publication number
GB2582600B
GB2582600B GB1904237.3A GB201904237A GB2582600B GB 2582600 B GB2582600 B GB 2582600B GB 201904237 A GB201904237 A GB 201904237A GB 2582600 B GB2582600 B GB 2582600B
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GB
United Kingdom
Prior art keywords
performance
improve
measurement devices
gas measurement
low sample
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.)
Active
Application number
GB1904237.3A
Other versions
GB201904237D0 (en
GB2582600A (en
Inventor
Dinsdale Steven
Hands Timothy
Daniel Payne Simon
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.)
Cambustion Ltd
Original Assignee
Cambustion 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
Application filed by Cambustion Ltd filed Critical Cambustion Ltd
Priority to GB1904237.3A priority Critical patent/GB2582600B/en
Publication of GB201904237D0 publication Critical patent/GB201904237D0/en
Publication of GB2582600A publication Critical patent/GB2582600A/en
Application granted granted Critical
Publication of GB2582600B publication Critical patent/GB2582600B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2247—Sampling from a flowing stream of gas
    • G01N1/2252—Sampling from a flowing stream of gas in a vehicle exhaust
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/02—Details or accessories of testing apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
    • G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2247—Sampling from a flowing stream of gas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • 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
    • G01N33/0011—Sample conditioning
    • G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB1904237.3A 2019-03-27 2019-03-27 Method to improve the performance of gas measurement devices at low sample pressure Active GB2582600B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1904237.3A GB2582600B (en) 2019-03-27 2019-03-27 Method to improve the performance of gas measurement devices at low sample pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1904237.3A GB2582600B (en) 2019-03-27 2019-03-27 Method to improve the performance of gas measurement devices at low sample pressure

Publications (3)

Publication Number Publication Date
GB201904237D0 GB201904237D0 (en) 2019-05-08
GB2582600A GB2582600A (en) 2020-09-30
GB2582600B true GB2582600B (en) 2021-03-31

Family

ID=66381334

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1904237.3A Active GB2582600B (en) 2019-03-27 2019-03-27 Method to improve the performance of gas measurement devices at low sample pressure

Country Status (1)

Country Link
GB (1) GB2582600B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1358324A (en) * 1971-02-25 1974-07-03 Gen Electric Fluid flow control apparatus
US20140033680A1 (en) * 2012-08-01 2014-02-06 GM Global Technology Operations LLC System and method for monitoring a particulate filter in a vehicle exhaust aftertreatment device
CN204241228U (en) * 2014-12-15 2015-04-01 东风汽车公司 For the exhaust regulator of engine test stand cooling system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1358324A (en) * 1971-02-25 1974-07-03 Gen Electric Fluid flow control apparatus
US20140033680A1 (en) * 2012-08-01 2014-02-06 GM Global Technology Operations LLC System and method for monitoring a particulate filter in a vehicle exhaust aftertreatment device
CN204241228U (en) * 2014-12-15 2015-04-01 东风汽车公司 For the exhaust regulator of engine test stand cooling system

Also Published As

Publication number Publication date
GB201904237D0 (en) 2019-05-08
GB2582600A (en) 2020-09-30

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