GB2368985A - Method of and control means for controlling a fuel injector - Google Patents

Method of and control means for controlling a fuel injector Download PDF

Info

Publication number
GB2368985A
GB2368985A GB0117161A GB0117161A GB2368985A GB 2368985 A GB2368985 A GB 2368985A GB 0117161 A GB0117161 A GB 0117161A GB 0117161 A GB0117161 A GB 0117161A GB 2368985 A GB2368985 A GB 2368985A
Authority
GB
United Kingdom
Prior art keywords
condition
load
phase
booster
booster phase
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.)
Withdrawn
Application number
GB0117161A
Other languages
English (en)
Other versions
GB0117161D0 (en
Inventor
Ulf Pischke
Juergen Eckhardt
Klaus Mueller
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB0117161D0 publication Critical patent/GB0117161D0/en
Publication of GB2368985A publication Critical patent/GB2368985A/en
Withdrawn legal-status Critical Current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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • H01F7/1816—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current making use of an energy accumulator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1844—Monitoring or fail-safe circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
    • 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
    • F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
    • F02D2041/2006—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening by using a boost capacitor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Dc-Dc Converters (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Control Of Voltage And Current In General (AREA)
GB0117161A 2000-07-15 2001-07-13 Method of and control means for controlling a fuel injector Withdrawn GB2368985A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10034458A DE10034458A1 (de) 2000-07-15 2000-07-15 Verfahren und Vorrichtung zur Steuerung wenigstens eines elektromagnetischen Verbrauchers

Publications (2)

Publication Number Publication Date
GB0117161D0 GB0117161D0 (en) 2001-09-05
GB2368985A true GB2368985A (en) 2002-05-15

Family

ID=7649043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0117161A Withdrawn GB2368985A (en) 2000-07-15 2001-07-13 Method of and control means for controlling a fuel injector

Country Status (3)

Country Link
JP (1) JP2002157026A (de)
DE (1) DE10034458A1 (de)
GB (1) GB2368985A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9016661B2 (en) 2011-10-21 2015-04-28 Valmet Technologies, Inc. Booster for a digital hydraulic controller and method for using a booster in connection with a digital hydraulic controller

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0651413A1 (de) * 1986-10-02 1995-05-03 Motorola, Inc. Steuerungsschaltung für Steuerungsolenoid mit Überspannung beim Anfang
GB2295931A (en) * 1992-08-22 1996-06-12 Rover Group Fuel injector driver with raised initial current

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0651413A1 (de) * 1986-10-02 1995-05-03 Motorola, Inc. Steuerungsschaltung für Steuerungsolenoid mit Überspannung beim Anfang
GB2295931A (en) * 1992-08-22 1996-06-12 Rover Group Fuel injector driver with raised initial current

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9016661B2 (en) 2011-10-21 2015-04-28 Valmet Technologies, Inc. Booster for a digital hydraulic controller and method for using a booster in connection with a digital hydraulic controller

Also Published As

Publication number Publication date
GB0117161D0 (en) 2001-09-05
DE10034458A1 (de) 2002-01-24
JP2002157026A (ja) 2002-05-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)