EP1400676A3 - Fuel injector drive circuit - Google Patents
Fuel injector drive circuit Download PDFInfo
- 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
Links
- 239000000446 fuel Substances 0.000 title abstract 3
- 238000004146 energy storage Methods 0.000 abstract 2
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
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
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)
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)
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)
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 |
-
2003
- 2003-09-23 EP EP03255969A patent/EP1400677B1/en not_active Expired - Lifetime
- 2003-09-23 EP EP03255966A patent/EP1400676B1/en not_active Expired - Lifetime
Patent Citations (5)
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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