CA2247745C - Circuit a reponse amelioree au monoxyde d'azote d'un analyseur de gaz - Google Patents

Circuit a reponse amelioree au monoxyde d'azote d'un analyseur de gaz Download PDF

Info

Publication number
CA2247745C
CA2247745C CA 2247745 CA2247745A CA2247745C CA 2247745 C CA2247745 C CA 2247745C CA 2247745 CA2247745 CA 2247745 CA 2247745 A CA2247745 A CA 2247745A CA 2247745 C CA2247745 C CA 2247745C
Authority
CA
Canada
Prior art keywords
circuit
output
transducer
output signal
response
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 - Fee Related
Application number
CA 2247745
Other languages
English (en)
Other versions
CA2247745A1 (fr
Inventor
Jeffrey W. Niazy
Christiaan Hoede
Robert J. Capiga
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.)
Snap On Inc
Original Assignee
Snap On Tools 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 Snap On Tools Corp filed Critical Snap On Tools Corp
Publication of CA2247745A1 publication Critical patent/CA2247745A1/fr
Application granted granted Critical
Publication of CA2247745C publication Critical patent/CA2247745C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
CA 2247745 1997-09-22 1998-09-21 Circuit a reponse amelioree au monoxyde d'azote d'un analyseur de gaz Expired - Fee Related CA2247745C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5952397P 1997-09-22 1997-09-22
US60/059,523 1997-09-22

Publications (2)

Publication Number Publication Date
CA2247745A1 CA2247745A1 (fr) 1999-03-22
CA2247745C true CA2247745C (fr) 2003-01-21

Family

ID=22023513

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2247745 Expired - Fee Related CA2247745C (fr) 1997-09-22 1998-09-21 Circuit a reponse amelioree au monoxyde d'azote d'un analyseur de gaz

Country Status (1)

Country Link
CA (1) CA2247745C (fr)

Also Published As

Publication number Publication date
CA2247745A1 (fr) 1999-03-22

Similar Documents

Publication Publication Date Title
EP0342513B1 (fr) Méthode et appareil pour la détection de gaz
JP3516691B2 (ja) 原動機付車両の排気放出物の分析装置
US6082177A (en) Nitric oxide enhanced response circuit for gas analyzer
US5105651A (en) Method of and apparatus for analyzing exhaust gases of motor vehicles
US6649041B2 (en) Deterioration detector for exhaust gas sensor and method of detecting deterioration
US4177787A (en) Deteriorated condition detecting apparatus for an oxygen sensor
US5708585A (en) Combustible gas measurement
CA1073052A (fr) Methode et dispositif de surveillance de gaz detonants
US5327780A (en) Method and arrangement for monitoring the operability of a heater of an oxygen measuring probe
EP1850113A2 (fr) Filtre dynamique à valeurs mesurées pour appareil capteur de gaz
CA1316710C (fr) Detecteur de gaz combustible a capteur thermostable
US6034610A (en) Method and arrangement for monitoring the operation of a gas probe
US6439040B1 (en) Device for analyzing exhaust emissions from motor vehicles
JP2001004444A (ja) スイッチング式ｎｄｉｒシステム
US5875768A (en) Method and arrangement for determining the sensitivity of a hydrocarbon sensor for an internal combustion engine
US6823727B2 (en) Device having a sensor arrangement for determining the ambient-air quality and an arrangement of ozone sensors upstream and downstream of a radiator which is coated with a catalyst material, and method for operating a device of this type
JPH10509800A (ja) ガス検知器
KR960706602A (ko) 촉매 변환기 가열용 버너의 점검방법(process for checking a catalyst heating burner system)
US20060218988A1 (en) Exhaust gas measuring device and method for measuring exhaust gas
US5929328A (en) Method for checking the function of the electrical heater of a lambda probe in the exhaust line of an internal combustion engine
WO1998003868A1 (fr) Dispositif de surveillance pour la detection d'hydrocarbures et d'autres gaz dans une zone decouverte
US4250737A (en) Battery powered gas level indicator
MXPA00002850A (en) Nitric oxide enhanced response circuit for gas analyzer
JPH03503684A (ja) 赤外線ガス分析器用の改良した設定点制御回路
KR100372381B1 (ko) 차량의 배기가스 분석장치

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20130923