CA1066088A - Pneumatic detector for chromatogaphic analyzer - Google Patents

Pneumatic detector for chromatogaphic analyzer

Info

Publication number
CA1066088A
CA1066088A CA244,395A CA244395A CA1066088A CA 1066088 A CA1066088 A CA 1066088A CA 244395 A CA244395 A CA 244395A CA 1066088 A CA1066088 A CA 1066088A
Authority
CA
Canada
Prior art keywords
pressure
responsive
orifice
signal
force
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.)
Expired
Application number
CA244,395A
Other languages
English (en)
French (fr)
Inventor
Edwin L. Karas
Raymond Annino
Richard W. Kalinoski
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.)
Schneider Electric Systems USA Inc
Original Assignee
Foxboro Co
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 Foxboro Co filed Critical Foxboro Co
Application granted granted Critical
Publication of CA1066088A publication Critical patent/CA1066088A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/62—Detectors specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
    • F15B5/003—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measuring Volume Flow (AREA)
CA244,395A 1975-02-14 1976-01-28 Pneumatic detector for chromatogaphic analyzer Expired CA1066088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/549,929 US4033171A (en) 1975-02-14 1975-02-14 Pneumatic detector for chromatographic analyzer

Publications (1)

Publication Number Publication Date
CA1066088A true CA1066088A (en) 1979-11-13

Family

ID=24194969

Family Applications (1)

Application Number Title Priority Date Filing Date
CA244,395A Expired CA1066088A (en) 1975-02-14 1976-01-28 Pneumatic detector for chromatogaphic analyzer

Country Status (8)

Country Link
US (2) US4033171A ( )
JP (1) JPS587937B2 ( )
CA (1) CA1066088A ( )
DE (1) DE2605558C2 ( )
FR (1) FR2301009A1 ( )
GB (1) GB1495693A ( )
IT (1) IT1053948B ( )
NL (1) NL7600384A ( )

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530233A (en) * 1983-07-18 1985-07-23 Air Products And Chemicals, Inc. Method and apparatus for distinguishing between different gas or gas mixtures using a flow tube
JPS6085639U (ja) * 1983-11-14 1985-06-13 スズキ株式会社 ブレ−キドラム
US4677841A (en) * 1984-04-05 1987-07-07 Precision Measurement, Inc. Method and apparatus for measuring the relative density of gases
GB2171328B (en) * 1985-01-07 1988-10-19 Loughborough Consult Ltd Improvements in or relating to gas chromatography
US4815325A (en) * 1988-04-22 1989-03-28 Dynatech Precision Sampling Corporation Capillary fluid injectors
JP2703694B2 (ja) * 1992-05-28 1998-01-26 信越半導体株式会社 ガス供給装置
US5767387A (en) * 1996-10-22 1998-06-16 Hewlett-Packard Co. Chromatograph having pneumatic detector
US6865926B2 (en) * 2000-01-25 2005-03-15 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Portland State University Method and apparatus for sample analysis
US7257987B2 (en) * 2000-01-25 2007-08-21 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Portland State University Method and apparatus for sample analysis
JP2003521688A (ja) * 2000-01-25 2003-07-15 ザ ステイト オブ オレゴン アクティング バイ アンド スルー ザ ステイト ボード オブ ハイヤー エデュケイション オン ビハーフ オブ ポートランド ステイト ユニヴァーシティ 分析用のサンプルを濃縮するための方法及び装置
US6776025B2 (en) * 2001-10-29 2004-08-17 Daniel Industries, Inc. Carrier gas pre-heat system for gas chromatograph
US20210198317A1 (en) 2018-05-31 2021-07-01 National University Corporation Okayama University Reactive oxygen production inhibitor and/or scavenging promoter
RU2683803C1 (ru) * 2018-06-21 2019-04-02 Федеральное государственное бюджетное образовательное учреждение высшего образования "МИРЭА - Российский технологический университет" Фотокомпенсационный датчик плотности газов
RU2685433C1 (ru) * 2018-06-21 2019-04-18 Федеральное государственное бюджетное образовательное учреждение высшего образования "МИРЭА - Российский технологический университет" Пневматический датчик плотности газов
JP7340862B2 (ja) 2018-06-28 2023-09-08 国立大学法人 岡山大学 好中球貪食能増強剤

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1506617A (en) * 1920-10-11 1924-08-26 Dommer Otto Method of and apparatus for testing gas mixtures
US1633352A (en) * 1926-02-23 1927-06-21 Taylor Instrument Co Gas-analysis apparatus
US1963011A (en) * 1928-03-31 1934-06-12 Albersheim Walter Viscosity meter
US2951361A (en) * 1957-07-11 1960-09-06 Foxboro Co Gas chromatography analysis system
US3086386A (en) * 1959-09-29 1963-04-23 Standard Oil Co Viscosity measuring system
NL130284C ( ) * 1963-02-14
DE2039755A1 (de) * 1970-01-05 1972-02-03 Petrolchemisches Kombinat Verfahren und Einrichtungen zur Steuerung von Gaschromatographen und Auswertung von Gaschromatogrammen,insbesondere fuer Regleranschluss geeignet

Also Published As

Publication number Publication date
IT1053948B (it) 1981-10-10
JPS51107192A ( ) 1976-09-22
DE2605558A1 (de) 1976-08-26
DE2605558C2 (de) 1985-11-21
US4033171A (en) 1977-07-05
FR2301009B1 ( ) 1981-09-18
FR2301009A1 (fr) 1976-09-10
GB1495693A (en) 1977-12-21
JPS587937B2 (ja) 1983-02-14
US4095455A (en) 1978-06-20
NL7600384A (nl) 1976-08-17

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