DE3567738D1 - Detecting oxygen concentration in a gas - Google Patents

Detecting oxygen concentration in a gas

Info

Publication number
DE3567738D1
DE3567738D1 DE8585302305T DE3567738T DE3567738D1 DE 3567738 D1 DE3567738 D1 DE 3567738D1 DE 8585302305 T DE8585302305 T DE 8585302305T DE 3567738 T DE3567738 T DE 3567738T DE 3567738 D1 DE3567738 D1 DE 3567738D1
Authority
DE
Germany
Prior art keywords
oxygen
gas
test gas
oxygen concentration
detecting oxygen
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
DE8585302305T
Other languages
English (en)
Inventor
Richard Curtis Ciammaichella
Barry J Youmans
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox 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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Application granted granted Critical
Publication of DE3567738D1 publication Critical patent/DE3567738D1/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/12Measuring magnetic properties of articles or specimens of solids or fluids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/74Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
DE8585302305T 1984-04-03 1985-04-02 Detecting oxygen concentration in a gas Expired DE3567738D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/596,482 US4667157A (en) 1984-04-03 1984-04-03 Linear Hall effect oxygen sensor with auxiliary coil magnetic field balancing

Publications (1)

Publication Number Publication Date
DE3567738D1 true DE3567738D1 (en) 1989-02-23

Family

ID=24387451

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585302305T Expired DE3567738D1 (en) 1984-04-03 1985-04-02 Detecting oxygen concentration in a gas

Country Status (13)

Country Link
US (1) US4667157A (de)
EP (1) EP0161776B1 (de)
JP (2) JPS60228956A (de)
KR (1) KR900003169B1 (de)
AT (1) ATE40215T1 (de)
AU (1) AU572277B2 (de)
CA (1) CA1236531A (de)
DE (1) DE3567738D1 (de)
ES (1) ES8609717A1 (de)
HK (1) HK43689A (de)
IN (1) IN161903B (de)
MX (1) MX158801A (de)
SG (1) SG14989G (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991009318A1 (en) * 1989-12-19 1991-06-27 A & E Manufacturing Company Automotive testing device and method of use
US5532584A (en) * 1993-08-31 1996-07-02 Eastman Kodak Company MR sensor including calibration circuit wherein signals are averaged for determining a correction factor and pole pieces are shaped to reduce field in gap therebetween
JP3682459B1 (ja) * 2004-03-26 2005-08-10 株式会社ディーゼルユナイテッド 磁性体濃度計測装置、検出感度向上方法、ゼロ点補償方法及びゼロ点補正方法
JP3682460B1 (ja) * 2004-04-09 2005-08-10 株式会社ディーゼルユナイテッド 運動機関
JP5469660B2 (ja) * 2008-05-14 2014-04-16 コーニンクレッカ フィリップス エヌ ヴェ Gmrによる酸素濃度測定
US20110094293A1 (en) * 2009-10-27 2011-04-28 Klein Paul N Oxygen Monitor
ATE537461T1 (de) * 2009-11-06 2011-12-15 M & C Techgroup Germany Gmbh Komponente für eine vorrichtung zur bestimmung des anteils an sauerstoff in einem gas, vorrichtung mit einer solchen komponente, verwendung eines magnetfeldsensors sowie verfahren zur bestimmung des anteils an sauerstoff in einem gas
DE102010014883A1 (de) * 2010-04-14 2011-10-20 Dräger Medical GmbH Vorrichtung zum Messen der physikalischen Eigenschaften von Gasen
EP2515105B1 (de) * 2011-04-21 2019-01-02 General Electric Company Gassensor zum Messen einer paramagnetischen Gaskomponente
WO2013052732A1 (en) 2011-10-07 2013-04-11 Boral Industries Inc. Inorganic polymer/organic polymer composites and methods of making same
CN103176146B (zh) * 2011-12-20 2015-04-29 中国科学院合肥物质科学研究院 霍尔及气敏测量装置
JP5767158B2 (ja) * 2012-04-26 2015-08-19 日本特殊陶業株式会社 ガスセンサ評価方法およびガスセンサ評価装置
US9234876B2 (en) * 2013-03-29 2016-01-12 Stmicroelectronics Pte Ltd. Durable miniature gas composition detector having fast response time
WO2016022103A1 (en) 2014-08-05 2016-02-11 Amitabha Kumar Filled polymeric composites including short length fibers
US9988512B2 (en) 2015-01-22 2018-06-05 Boral Ip Holdings (Australia) Pty Limited Highly filled polyurethane composites
WO2016195717A1 (en) 2015-06-05 2016-12-08 Boral Ip Holdings (Australia) Pty Limited Filled polyurethane composites with lightweight fillers
WO2017082914A1 (en) 2015-11-12 2017-05-18 Boral Ip Holdings (Australia) Pty Limited Filled polyurethane composites with size-graded fillers
US20180180280A1 (en) * 2016-12-27 2018-06-28 General Electric Technology Gmbh System and method for combustion system control
DE102021111431A1 (de) 2020-06-29 2021-12-30 Dräger Safety AG & Co. KGaA Überwachungssystem
KR20220079197A (ko) * 2020-12-04 2022-06-13 삼성전자주식회사 원적외선 검출 소자, 원적외선 검출 소자 어레이 구조, 원적외선 온도 검출 장치 및 열화상 표시 장치
JP2023153545A (ja) * 2022-04-05 2023-10-18 新東工業株式会社 ガス測定器

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930970A (en) * 1955-09-19 1960-03-29 Honeywell Regulator Co Measuring apparatus
US3049665A (en) * 1958-07-10 1962-08-14 Hummel Heinz Measuring instrument and method
US3076929A (en) * 1959-08-21 1963-02-05 Shampaine Ind Inc Means and methods for electrically measuring the amount of oxygen in a gas
GB984560A (en) * 1960-03-03 1965-02-24 Nat Res Dev Improvements relating to apparatus for gas analysis
US3447073A (en) * 1966-10-26 1969-05-27 George W Gamble Paramagnetic fluid analyzer utilizing toroidal fluid containers and an inductance bridge
JPS4830498A (de) * 1971-08-24 1973-04-21
JPS4837635A (de) * 1971-09-13 1973-06-02
US4173975A (en) * 1978-02-06 1979-11-13 Westinghouse Electric Corp. Magnetic means for determining partial pressure of oxygen particularly in underwater breathing apparatus
SU773486A1 (ru) * 1978-03-07 1980-10-23 Физико-Технический Институт Ан Туркменской Сср Термомагнитный газоанализатор
JPS578442A (en) * 1980-06-19 1982-01-16 Hajime Yamada Magnetic measuring apparatus for concentration of oxygen
CA1178909A (en) * 1980-09-17 1984-12-04 Murray C. Fusee Process for production of l-alanine using immobilized microorganisms
SU974240A1 (ru) * 1981-02-06 1982-11-15 Ижевский механический институт Устройство дл контрол ферромагнитных изделий
US4464296A (en) * 1983-10-07 1984-08-07 The United States Of America As Represented By Secretary Of Agriculture Solubilization of dry protein in aqueous or acidic media after treatment with concentrated hydrogen peroxide

Also Published As

Publication number Publication date
IN161903B (de) 1988-02-20
HK43689A (en) 1989-06-07
US4667157A (en) 1987-05-19
JPH0732564U (ja) 1995-06-16
AU572277B2 (en) 1988-05-05
JPS60228956A (ja) 1985-11-14
EP0161776B1 (de) 1989-01-18
ATE40215T1 (de) 1989-02-15
EP0161776A1 (de) 1985-11-21
JPH0742128Y2 (ja) 1995-09-27
ES541428A0 (es) 1986-07-16
AU4074485A (en) 1985-10-10
CA1236531A (en) 1988-05-10
ES8609717A1 (es) 1986-07-16
SG14989G (en) 1989-06-09
KR900003169B1 (ko) 1990-05-09
KR850007307A (ko) 1985-12-02
MX158801A (es) 1989-03-10

Similar Documents

Publication Publication Date Title
DE3567738D1 (en) Detecting oxygen concentration in a gas
EP0193168A3 (de) Verfahren zur Prüfung der Karburisierung und Sonde dafür
AU588442B2 (en) Method of and apparatus for testing a wire rope
HUT60390A (en) Device for searching magnetizable materials in building constructions
EP0301823A3 (de) Kopf mit drei Polen für magnetische Aufzeichnung
GB9111098D0 (en) Ferromagnetic eddy current probe having multiple levels of magnetization
US3560846A (en) Magnetic proximity detector
SE8502406D0 (sv) Quick response paramagnetic analyzer for measurement of oxygen contents of gases
GB2191294B (en) Apparatus determining the concentration of a paramagnetic gas by measuring its pressure when subjected to an ac magnetic field
JPS55142201A (en) Measurement of magnetic flux change and gap between electromagnet and magnetic substance
JPS55101044A (en) Flaw detector
JPS5585249A (en) Vortex flow detector
JPS5730943A (en) Detecting method for defect in ferromagnetic material
JPS57187651A (en) Flaw detection of cast iron tube
FR2406198A1 (fr) Sonde a courant de foucault pour le controle de materiaux ferromagnetiques
JPS5550181A (en) Device for inspecting arrangement of reinforcing iron bars in building
JPS6483154A (en) Current sensor
JPS57161631A (en) Detecting device for surface stress
JPS5651681A (en) Measuring instrument for magnetic characteristic
JPS6423113A (en) Magnetic encoder
Benklevskaya et al. Magnetic Control of Internal Defects by Combined Magnetization
JPS6448210A (en) Perpendicular magnetic recording and reproducing head
FI884784A (fi) Anordning foer paovisande av en tillraecklighet hos ett magnetsfloede, som framkallas av ett magnetiseringsok och foerfarande foer reglering av anordningen.
Fedorishcheva et al. Decrease of Influence of Lift-Off Between Ferromagnetic Articles and Rod Type Electromagnet
DE3474068D1 (en) Method and apparatus for measuring the difference in concentration of paramagnetic components in gases

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee