IT1303763B1 - DIAGNOSIS PROCEDURE FOR CATALYSTS - Google Patents

DIAGNOSIS PROCEDURE FOR CATALYSTS

Info

Publication number
IT1303763B1
IT1303763B1 IT1998MI002485A ITMI982485A IT1303763B1 IT 1303763 B1 IT1303763 B1 IT 1303763B1 IT 1998MI002485 A IT1998MI002485 A IT 1998MI002485A IT MI982485 A ITMI982485 A IT MI982485A IT 1303763 B1 IT1303763 B1 IT 1303763B1
Authority
IT
Italy
Prior art keywords
catalysts
diagnosis procedure
diagnosis
procedure
Prior art date
Application number
IT1998MI002485A
Other languages
Italian (it)
Inventor
Erich Schneider
Andreas Blumenstock
Original Assignee
Bosch Gmbh Robert
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
Priority claimed from DE19751895A external-priority patent/DE19751895A1/en
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of ITMI982485A1 publication Critical patent/ITMI982485A1/en
Application granted granted Critical
Publication of IT1303763B1 publication Critical patent/IT1303763B1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
IT1998MI002485A 1997-11-22 1998-11-17 DIAGNOSIS PROCEDURE FOR CATALYSTS IT1303763B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19751895A DE19751895A1 (en) 1996-06-12 1997-11-22 Catalyst operability evaluation in exhaust fume system of combustion engine

Publications (2)

Publication Number Publication Date
ITMI982485A1 ITMI982485A1 (en) 2000-05-17
IT1303763B1 true IT1303763B1 (en) 2001-02-23

Family

ID=7849585

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998MI002485A IT1303763B1 (en) 1997-11-22 1998-11-17 DIAGNOSIS PROCEDURE FOR CATALYSTS

Country Status (3)

Country Link
JP (1) JPH11257056A (en)
FR (1) FR2771507A1 (en)
IT (1) IT1303763B1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19623335C1 (en) * 1996-06-12 1997-08-28 Bosch Gmbh Robert Capability check method on catalytic converter in internal combustion engine exhaust

Also Published As

Publication number Publication date
ITMI982485A1 (en) 2000-05-17
JPH11257056A (en) 1999-09-21
FR2771507A1 (en) 1999-05-28

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