FR2409509A1 - Appareil et procede de determination du rapport air/combustible de melanges combustibles - Google Patents

Appareil et procede de determination du rapport air/combustible de melanges combustibles

Info

Publication number
FR2409509A1
FR2409509A1 FR7828549A FR7828549A FR2409509A1 FR 2409509 A1 FR2409509 A1 FR 2409509A1 FR 7828549 A FR7828549 A FR 7828549A FR 7828549 A FR7828549 A FR 7828549A FR 2409509 A1 FR2409509 A1 FR 2409509A1
Authority
FR
France
Prior art keywords
detector
hydrogen
determining
air
fuel ratio
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.)
Granted
Application number
FR7828549A
Other languages
English (en)
Other versions
FR2409509B1 (fr
Inventor
J D Bode
W G Wolber
P A Michaels
C J Ahern
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.)
Bendix Corp
Original Assignee
Bendix Autolite Corp
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 Bendix Autolite Corp filed Critical Bendix Autolite Corp
Publication of FR2409509A1 publication Critical patent/FR2409509A1/fr
Application granted granted Critical
Publication of FR2409509B1 publication Critical patent/FR2409509B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01M15/104—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases using oxygen or lambda-sensors
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • 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
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • 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
    • Y10T436/207497—Molecular oxygen
    • Y10T436/208339—Fuel/air mixture or exhaust gas analysis
    • 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
    • Y10T436/22—Hydrogen, per se

Abstract

DETECTEUR DU RAPPORT AIRCOMBUSTIBLE DE MELANGES COMBUSTIBLES LE LONG D'UNE GRANDE PLAGE DE TELS MELANGES RICHES ET PAUVRES. DETECTEUR DANS LEQUEL UNE CELLULE ELECTROCHIMIQUE DELIVRE DE L'HYDROGENE A UN ELEMENT DE DETECTION AU PALLADIUM SELON UN TAUX DETERMINE PAR LE SIGNAL DE SORTIE D'UN PONT WHEATSTONE POSSEDANT CET ELEMENT; L'HYDROGENE ENGENDRE SE COMBINE A L'OXYGENE PRESENT DANS LES GAZ D'ECHAPPEMENT PAR ACTION CATALYTIQUE ET MAINTIENT LE NIVEAU DE L'HYDROGENE ABSORBE DE MANIERE QUE LA RESISTANCE ELECTRIQUE DE CET ELEMENT PRESENTE UNE VALEUR PREDETERMINEE; L'AMPLITUDE DU COURANT APPLIQUE A LA CELLULE POUR MAINTENIR L'EQUILIBRE DU PONT CONSTITUE LA MESURE DU RAPPORT AIRCOMBUSTIBLE. DETECTEUR APPLICABLE AUX MOTEURS A COMBUSTION INTERNE.
FR7828549A 1977-11-21 1978-10-05 Appareil et procede de determination du rapport air/combustible de melanges combustibles Granted FR2409509A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/853,158 US4125374A (en) 1977-11-21 1977-11-21 Method and apparatus for determining combustion mixture air/fuel ratio

Publications (2)

Publication Number Publication Date
FR2409509A1 true FR2409509A1 (fr) 1979-06-15
FR2409509B1 FR2409509B1 (fr) 1980-10-31

Family

ID=25315233

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7828549A Granted FR2409509A1 (fr) 1977-11-21 1978-10-05 Appareil et procede de determination du rapport air/combustible de melanges combustibles

Country Status (9)

Country Link
US (1) US4125374A (fr)
JP (1) JPS5473695A (fr)
AU (1) AU517449B2 (fr)
CA (1) CA1089670A (fr)
DE (1) DE2850466A1 (fr)
FR (1) FR2409509A1 (fr)
GB (1) GB2008254B (fr)
IT (1) IT1101172B (fr)
SE (1) SE7811950L (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228675A (en) * 1979-01-22 1980-10-21 Ford Motor Company Exhaust gas sensor electrical circuit improvement
DE2916178C2 (de) * 1979-04-21 1982-04-22 Dornier System Gmbh, 7990 Friedrichshafen Sonde zur Messung des Sauerstoffpartialdrucks in Gasen
US4233033A (en) * 1979-09-19 1980-11-11 Bendix Autolite Corporation Method and apparatus for measuring the O2 content of a gas
DK172281A (da) * 1981-04-15 1982-10-16 O Johannsen Apparat til analyse af forbraendingsgas
USH1562H (en) * 1992-04-03 1996-07-02 The United States Of America As Represented By The Secretary Of The Army Heat sensitive liquid chemical agent and pesticide detector and method of using
JP3150429B2 (ja) * 1992-07-21 2001-03-26 ダイハツ工業株式会社 イオン電流によるリーン限界検出方法
EP0945722A3 (fr) * 1998-03-26 2001-10-17 Siemens Aktiengesellschaft Détecteur de gaz semi-conducteur
US7011737B2 (en) * 2004-04-02 2006-03-14 The Penn State Research Foundation Titania nanotube arrays for use as sensors and method of producing
US7597091B2 (en) * 2005-12-08 2009-10-06 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio control apparatus and method for an internal combustion engine
JP4363398B2 (ja) * 2005-12-08 2009-11-11 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP4836021B2 (ja) * 2007-07-24 2011-12-14 トヨタ自動車株式会社 多気筒内燃機関の気筒間空燃比ばらつき異常検出装置及びその方法
US20120241319A1 (en) * 2011-03-25 2012-09-27 Life Safety Distribution Ag Gas Detector Having Bipolar Counter/Reference Electrode
US10444180B1 (en) * 2011-07-22 2019-10-15 United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Polymer electrolyte-based sensors
AR115968A1 (es) * 2018-08-31 2021-03-17 Dow Global Technologies Llc Sistemas y procesos para perfeccionar la mejora de hidrocarburos

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1357741A (fr) * 1963-02-26 1964-04-10 Commissariat Energie Atomique Dispositif de dosage de l'hydrogène dissous dans un fluide
US3567383A (en) * 1968-10-01 1971-03-02 Engelhard Min & Chem Hydrogen detectors
FR2161589A5 (fr) * 1971-11-15 1973-07-06 Ford France
US3868846A (en) * 1973-07-02 1975-03-04 Ford Motor Co Circuit for converting a temperature dependent input signal to a temperature independent output signal
US3932246A (en) * 1973-08-31 1976-01-13 Ford Motor Company Gas sensor and method of manufacture
US4001758A (en) * 1975-09-02 1977-01-04 Ford Motor Company Stoichiometric air/fuel ratio exhaust gas sensor
US4004452A (en) * 1974-04-23 1977-01-25 Ford Motor Company Air/fuel ratio sensor for air/fuel ratios in excess of stoichiometry
US4030340A (en) * 1976-07-22 1977-06-21 General Monitors, Inc. Hydrogen gas detector

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138948A (en) * 1960-09-13 1964-06-30 Engelhard Ind Inc Hydrogen measuring system
US3149921A (en) * 1961-07-20 1964-09-22 Gen Electric Method of measuring the partial pressure of a gas
US3242717A (en) * 1963-03-26 1966-03-29 Bendix Corp Hydrogen sensor
DE2341422A1 (de) * 1973-08-16 1975-02-27 Bosch Gmbh Robert Messgeraet
US3933028A (en) * 1974-04-23 1976-01-20 Ford Motor Company Air/fuel ratio sensor for air/fuel ratios in excess of stoichiometry
US4025412A (en) * 1975-12-04 1977-05-24 General Electric Company Electrically biased two electrode, electrochemical gas sensor with a H.sub.2

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1357741A (fr) * 1963-02-26 1964-04-10 Commissariat Energie Atomique Dispositif de dosage de l'hydrogène dissous dans un fluide
US3567383A (en) * 1968-10-01 1971-03-02 Engelhard Min & Chem Hydrogen detectors
FR2161589A5 (fr) * 1971-11-15 1973-07-06 Ford France
US3868846A (en) * 1973-07-02 1975-03-04 Ford Motor Co Circuit for converting a temperature dependent input signal to a temperature independent output signal
US3932246A (en) * 1973-08-31 1976-01-13 Ford Motor Company Gas sensor and method of manufacture
US4004452A (en) * 1974-04-23 1977-01-25 Ford Motor Company Air/fuel ratio sensor for air/fuel ratios in excess of stoichiometry
US4001758A (en) * 1975-09-02 1977-01-04 Ford Motor Company Stoichiometric air/fuel ratio exhaust gas sensor
US4030340A (en) * 1976-07-22 1977-06-21 General Monitors, Inc. Hydrogen gas detector

Also Published As

Publication number Publication date
SE7811950L (sv) 1979-05-22
IT7829839A0 (it) 1978-11-16
JPS5473695A (en) 1979-06-13
DE2850466A1 (de) 1979-05-23
FR2409509B1 (fr) 1980-10-31
AU517449B2 (en) 1981-07-30
US4125374A (en) 1978-11-14
IT1101172B (it) 1985-09-28
CA1089670A (fr) 1980-11-18
GB2008254B (en) 1982-06-23
GB2008254A (en) 1979-05-31
AU4064978A (en) 1980-04-17

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