JP3650125B2 - 排気排出物分析器に希釈剤ガスを供給する方法と装置 - Google Patents

排気排出物分析器に希釈剤ガスを供給する方法と装置 Download PDF

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JP3650125B2
JP3650125B2 JP51373197A JP51373197A JP3650125B2 JP 3650125 B2 JP3650125 B2 JP 3650125B2 JP 51373197 A JP51373197 A JP 51373197A JP 51373197 A JP51373197 A JP 51373197A JP 3650125 B2 JP3650125 B2 JP 3650125B2
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diluent
exhaust
line
gas
exhaust gas
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JPH11514436A5 (enExample
JPH11514436A (ja
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アール ニール ハーヴィー
アラン エフ ダーガフォード
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ホーリバ インスツルメンツ インコーポレイテッド
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    • 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
    • G01N33/0006—Calibrating gas analysers
    • 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
    • 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
    • G01N33/0018—Sample conditioning by diluting a gas
    • 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
    • G01N2001/2264—Sampling from a flowing stream of gas with dilution
    • 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
    • G01N1/24—Suction devices
    • G01N2001/242—Injectors or ejectors
    • G01N2001/244—Injectors or ejectors using critical flow orifices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/20—Oxygen containing
    • Y10T436/204998—Inorganic carbon compounds
    • Y10T436/205831—Carbon monoxide only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25625—Dilution
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25875—Gaseous sample or with change of physical state

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)
JP51373197A 1995-09-29 1996-09-27 排気排出物分析器に希釈剤ガスを供給する方法と装置 Expired - Lifetime JP3650125B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US536,401 1995-09-29
US08/536,401 US5756360A (en) 1995-09-29 1995-09-29 Method and apparatus for providing diluted gas to exhaust emission analyzer
PCT/US1996/015608 WO1997012221A1 (en) 1995-09-29 1996-09-27 Method and apparatus for providing diluent gas to exhaust emission analyzer

Publications (3)

Publication Number Publication Date
JPH11514436A JPH11514436A (ja) 1999-12-07
JPH11514436A5 JPH11514436A5 (enExample) 2004-09-30
JP3650125B2 true JP3650125B2 (ja) 2005-05-18

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JP51373197A Expired - Lifetime JP3650125B2 (ja) 1995-09-29 1996-09-27 排気排出物分析器に希釈剤ガスを供給する方法と装置

Country Status (4)

Country Link
US (1) US5756360A (enExample)
EP (1) EP0871855A4 (enExample)
JP (1) JP3650125B2 (enExample)
WO (1) WO1997012221A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014224784A (ja) * 2013-05-17 2014-12-04 公益財団法人日本自動車輸送技術協会 排ガス分析システム、排ガス採取装置、及び、排ガス漏れ検知方法

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Publication number Priority date Publication date Assignee Title
JP2014224784A (ja) * 2013-05-17 2014-12-04 公益財団法人日本自動車輸送技術協会 排ガス分析システム、排ガス採取装置、及び、排ガス漏れ検知方法

Also Published As

Publication number Publication date
EP0871855A1 (en) 1998-10-21
EP0871855A4 (en) 2000-05-24
JPH11514436A (ja) 1999-12-07
US5756360A (en) 1998-05-26
WO1997012221A1 (en) 1997-04-03

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