IT1397824B1 - METHOD AND DIAGNOSIS SYSTEM OF A PILOT CIRCUIT OF AT LEAST ONE ELECTROMECHANICAL VALVE OF AN INTERNAL COMBUSTION ENGINE - Google Patents

METHOD AND DIAGNOSIS SYSTEM OF A PILOT CIRCUIT OF AT LEAST ONE ELECTROMECHANICAL VALVE OF AN INTERNAL COMBUSTION ENGINE

Info

Publication number
IT1397824B1
IT1397824B1 ITBO2010A000046A ITBO20100046A IT1397824B1 IT 1397824 B1 IT1397824 B1 IT 1397824B1 IT BO2010A000046 A ITBO2010A000046 A IT BO2010A000046A IT BO20100046 A ITBO20100046 A IT BO20100046A IT 1397824 B1 IT1397824 B1 IT 1397824B1
Authority
IT
Italy
Prior art keywords
combustion engine
internal combustion
diagnosis system
pilot circuit
electromechanical valve
Prior art date
Application number
ITBO2010A000046A
Other languages
Italian (it)
Inventor
Alberto Pezzoli
Piero Maria Carbonaro
Fausto Calcagno
Original Assignee
Magneti Marelli Spa
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 Magneti Marelli Spa filed Critical Magneti Marelli Spa
Priority to ITBO2010A000046A priority Critical patent/IT1397824B1/en
Publication of ITBO20100046A1 publication Critical patent/ITBO20100046A1/en
Application granted granted Critical
Publication of IT1397824B1 publication Critical patent/IT1397824B1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2829—Testing of circuits in sensor or actuator systems
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Testing Of Engines (AREA)
ITBO2010A000046A 2010-01-26 2010-01-26 METHOD AND DIAGNOSIS SYSTEM OF A PILOT CIRCUIT OF AT LEAST ONE ELECTROMECHANICAL VALVE OF AN INTERNAL COMBUSTION ENGINE IT1397824B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITBO2010A000046A IT1397824B1 (en) 2010-01-26 2010-01-26 METHOD AND DIAGNOSIS SYSTEM OF A PILOT CIRCUIT OF AT LEAST ONE ELECTROMECHANICAL VALVE OF AN INTERNAL COMBUSTION ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO2010A000046A IT1397824B1 (en) 2010-01-26 2010-01-26 METHOD AND DIAGNOSIS SYSTEM OF A PILOT CIRCUIT OF AT LEAST ONE ELECTROMECHANICAL VALVE OF AN INTERNAL COMBUSTION ENGINE

Publications (2)

Publication Number Publication Date
ITBO20100046A1 ITBO20100046A1 (en) 2011-07-27
IT1397824B1 true IT1397824B1 (en) 2013-02-04

Family

ID=42331051

Family Applications (1)

Application Number Title Priority Date Filing Date
ITBO2010A000046A IT1397824B1 (en) 2010-01-26 2010-01-26 METHOD AND DIAGNOSIS SYSTEM OF A PILOT CIRCUIT OF AT LEAST ONE ELECTROMECHANICAL VALVE OF AN INTERNAL COMBUSTION ENGINE

Country Status (1)

Country Link
IT (1) IT1397824B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1223822B (en) * 1988-09-14 1990-09-29 Marelli Autronica ELECTRIC CIRCUIT PARTICULARLY ELECTRONIC POWER CIRCUIT FOR VEHICLE INJECTION SYSTEMS WITH FUNCTION FOR DIAGNOSTIC DETECTION OF THE FAILURE AND RELATED PROCEDURE
DE19936858C1 (en) * 1999-08-05 2001-05-23 Siemens Ag Actuator arrangement, in particular for controlling an injection valve of an internal combustion engine
DE10256456A1 (en) * 2002-12-03 2004-07-15 Siemens Ag Monitoring method for an actuator and associated driver circuit
DE102004021377A1 (en) * 2004-04-30 2005-11-17 Robert Bosch Gmbh Method for the diagnosis of a drive circuit

Also Published As

Publication number Publication date
ITBO20100046A1 (en) 2011-07-27

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