EP1400676A3 - Fuel injector drive circuit - Google Patents

Fuel injector drive circuit Download PDF

Info

Publication number
EP1400676A3
EP1400676A3 EP03255966A EP03255966A EP1400676A3 EP 1400676 A3 EP1400676 A3 EP 1400676A3 EP 03255966 A EP03255966 A EP 03255966A EP 03255966 A EP03255966 A EP 03255966A EP 1400676 A3 EP1400676 A3 EP 1400676A3
Authority
EP
European Patent Office
Prior art keywords
injector
drive circuit
coupled
fuel injector
inductor
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
EP03255966A
Other languages
German (de)
French (fr)
Other versions
EP1400676A2 (en
EP1400676B1 (en
Inventor
Steven J. Martin
Nigel P. Baker
Peter G. Griffin
Gordon D. Cheever, Jr.
Joseph Engel
Joel F. Downey
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 US10/403,713 external-priority patent/US6760212B2/en
Application filed by Delphi Technologies Inc filed Critical Delphi Technologies Inc
Priority to EP09175047A priority Critical patent/EP2149695A3/en
Publication of EP1400676A2 publication Critical patent/EP1400676A2/en
Publication of EP1400676A3 publication Critical patent/EP1400676A3/en
Application granted granted Critical
Publication of EP1400676B1 publication Critical patent/EP1400676B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • 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
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2051—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using voltage control
    • 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
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
    • 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
    • F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
    • F02D2041/2072—Bridge circuits, i.e. the load being placed in the diagonal of a bridge to be controlled in both directions
    • 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
    • F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
    • F02D2041/2082—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements the circuit being adapted to distribute current between different actuators or recuperate energy from actuators

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

A drive circuit (20a,20b,20c) is provided in a full H-bridge and half H-bridge configuration for controlling one or more fuel injectors (12;12a,12b). The drive circuit (20a,20b,20c) includes a voltage input (22) for receiving a voltage signal, at least one energy storage device (C1;C11,C12;C21;C22) coupled to the voltage input (22) for storing an electrical charge, a bidirectional current path (26) coupled to the injector (12;12a,12b), at least one inductor (L1;L11;L21,L22) coupled to the injector, and switching means for controlling current flow through the injector and the inductor to open and close the injector. The switching means is controlled to provide a recirculation current to recover energy stored in the injector for storage in the energy storage device. A method of operating a drive circuit to control at least one fuel injector to reduce voltage ringing in the circuit is also described.
EP03255966A 2002-09-23 2003-09-23 Injector system Expired - Lifetime EP1400676B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09175047A EP2149695A3 (en) 2002-09-23 2003-09-23 Injector drive circuit

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US25223702A 2002-09-23 2002-09-23
US252237 2002-09-23
US403713 2003-03-31
US10/403,713 US6760212B2 (en) 2002-09-23 2003-03-31 Piezoelectric injector drive circuit

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP09175047A Division EP2149695A3 (en) 2002-09-23 2003-09-23 Injector drive circuit

Publications (3)

Publication Number Publication Date
EP1400676A2 EP1400676A2 (en) 2004-03-24
EP1400676A3 true EP1400676A3 (en) 2006-03-22
EP1400676B1 EP1400676B1 (en) 2009-12-16

Family

ID=31949805

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03255969A Expired - Lifetime EP1400677B1 (en) 2002-09-23 2003-09-23 Injector system
EP03255966A Expired - Lifetime EP1400676B1 (en) 2002-09-23 2003-09-23 Injector system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP03255969A Expired - Lifetime EP1400677B1 (en) 2002-09-23 2003-09-23 Injector system

Country Status (1)

Country Link
EP (2) EP1400677B1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2290211B1 (en) 2004-03-10 2018-05-16 Delphi International Operations Luxembourg S.à r.l. Power supply arrangement for a fuel injector drive circuit
EP1843027B1 (en) 2006-04-03 2018-12-19 Delphi International Operations Luxembourg S.à r.l. Drive circuit for an injector arrangement and diagnostic method
DE102006018957A1 (en) * 2006-04-24 2007-10-25 Robert Bosch Gmbh Method for operating an injection system
GB0610226D0 (en) * 2006-05-23 2006-07-05 Delphi Tech Inc Drive circuit for an injector arrangement and a diagnostic method
GB0610233D0 (en) * 2006-05-23 2006-07-05 Delphi Tech Inc A method of operating a fuel injector
EP1927742A1 (en) * 2006-11-23 2008-06-04 Delphi Technologies, Inc. A method of operating a piezoelectric device
ATE450705T1 (en) * 2007-02-02 2009-12-15 Delphi Tech Inc METHOD FOR OPERATING A PIEZOELECTRIC ACTUATOR
DE102007014331A1 (en) * 2007-03-26 2008-10-02 Robert Bosch Gmbh Drive circuit and driving method for a piezoelectric element
ATE531919T1 (en) 2007-06-22 2011-11-15 Delphi Tech Holding Sarl FAULT DETECTION IN AN INJECTOR ARRANGEMENT
DE102009025478A1 (en) * 2009-06-18 2011-01-05 Austriamicrosystems Ag Circuit arrangement for switching capacitor in e.g. switching power supply, has switching element controlling switch device, such that switch device cancels short-circuit of capacitor when preset charge state of capacitor is reached
US9048775B2 (en) 2012-10-30 2015-06-02 National Instruments Corporation H-bridge for combined solenoid and piezo injection control
US9611797B2 (en) 2012-10-30 2017-04-04 National Instruments Corporation Direct injection flexible multiplexing scheme

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2334164A (en) * 1998-02-10 1999-08-11 Bosch Gmbh Robert A drift-compensated piezoelectric fuel injector actuator
US6016040A (en) * 1996-08-14 2000-01-18 Siemens Aktiengesellschaft Device and method for driving at least one capacitive actuator
US6435162B1 (en) * 1999-09-17 2002-08-20 Siemens Aktiengesellschaft Method and apparatus for charging at least one capacitive control element
DE10120143A1 (en) * 2001-04-25 2002-10-31 Conti Temic Microelectronic Capacitive setting element control method for fuel injection valve of IC engine, involves charging and discharging of capacitive setting element via inductive element and charging or discharging switch
DE10245135A1 (en) * 2001-09-28 2003-04-24 Nippon Soken Piezo actuator drive circuit for internal combustion engine, has diode connected between inductor and capacitor to pass flywheel current of inductor to piezo stacks

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19652809C1 (en) * 1996-12-18 1998-06-10 Siemens Ag Method and device for controlling at least one capacitive actuator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6016040A (en) * 1996-08-14 2000-01-18 Siemens Aktiengesellschaft Device and method for driving at least one capacitive actuator
GB2334164A (en) * 1998-02-10 1999-08-11 Bosch Gmbh Robert A drift-compensated piezoelectric fuel injector actuator
US6435162B1 (en) * 1999-09-17 2002-08-20 Siemens Aktiengesellschaft Method and apparatus for charging at least one capacitive control element
DE10120143A1 (en) * 2001-04-25 2002-10-31 Conti Temic Microelectronic Capacitive setting element control method for fuel injection valve of IC engine, involves charging and discharging of capacitive setting element via inductive element and charging or discharging switch
DE10245135A1 (en) * 2001-09-28 2003-04-24 Nippon Soken Piezo actuator drive circuit for internal combustion engine, has diode connected between inductor and capacitor to pass flywheel current of inductor to piezo stacks

Also Published As

Publication number Publication date
EP1400677B1 (en) 2009-11-18
EP1400677A3 (en) 2006-03-22
EP1400677A2 (en) 2004-03-24
EP1400676A2 (en) 2004-03-24
EP1400676B1 (en) 2009-12-16

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