GB201717099D0 - Method to determine the needle opening delay of a fuel injector - Google Patents

Method to determine the needle opening delay of a fuel injector

Info

Publication number
GB201717099D0
GB201717099D0 GBGB1717099.4A GB201717099A GB201717099D0 GB 201717099 D0 GB201717099 D0 GB 201717099D0 GB 201717099 A GB201717099 A GB 201717099A GB 201717099 D0 GB201717099 D0 GB 201717099D0
Authority
GB
United Kingdom
Prior art keywords
fuel injector
needle opening
opening delay
delay
needle
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
GBGB1717099.4A
Other versions
GB2567809B (en
GB2567809A (en
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 IP Ltd
Original Assignee
Delphi International Operations Luxembourg SARL
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 Delphi International Operations Luxembourg SARL filed Critical Delphi International Operations Luxembourg SARL
Priority to GB1717099.4A priority Critical patent/GB2567809B/en
Publication of GB201717099D0 publication Critical patent/GB201717099D0/en
Priority to EP18785925.1A priority patent/EP3698035A1/en
Priority to CN201880067871.1A priority patent/CN111247323B/en
Priority to PCT/EP2018/077524 priority patent/WO2019076691A1/en
Publication of GB2567809A publication Critical patent/GB2567809A/en
Application granted granted Critical
Publication of GB2567809B publication Critical patent/GB2567809B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2438—Active learning methods
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2464—Characteristics of actuators
    • F02D41/2467—Characteristics of actuators for 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • 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
    • 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
    • F02D2041/2055—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit with means for determining actual opening or closing time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0618—Actual fuel injection timing or delay, e.g. determined from fuel pressure drop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/063—Lift of the valve needle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure

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)
GB1717099.4A 2017-10-18 2017-10-18 Method to determine the needle opening delay of a fuel injector Active GB2567809B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1717099.4A GB2567809B (en) 2017-10-18 2017-10-18 Method to determine the needle opening delay of a fuel injector
EP18785925.1A EP3698035A1 (en) 2017-10-18 2018-10-09 Method to determine the needle opening delay of a fuel injector
CN201880067871.1A CN111247323B (en) 2017-10-18 2018-10-09 Method for determining needle opening delay of fuel injector
PCT/EP2018/077524 WO2019076691A1 (en) 2017-10-18 2018-10-09 Method to determine the needle opening delay of a fuel injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1717099.4A GB2567809B (en) 2017-10-18 2017-10-18 Method to determine the needle opening delay of a fuel injector

Publications (3)

Publication Number Publication Date
GB201717099D0 true GB201717099D0 (en) 2017-11-29
GB2567809A GB2567809A (en) 2019-05-01
GB2567809B GB2567809B (en) 2020-04-01

Family

ID=60419419

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1717099.4A Active GB2567809B (en) 2017-10-18 2017-10-18 Method to determine the needle opening delay of a fuel injector

Country Status (4)

Country Link
EP (1) EP3698035A1 (en)
CN (1) CN111247323B (en)
GB (1) GB2567809B (en)
WO (1) WO2019076691A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2611759B (en) 2021-10-12 2024-03-20 Delphi Tech Ip Ltd Method of operating a fuel injection system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4148134B2 (en) * 2003-12-19 2008-09-10 株式会社デンソー Fuel injection device
DE102009029590A1 (en) * 2009-09-18 2011-03-24 Robert Bosch Gmbh Method and control device for operating a valve
DE102009045469A1 (en) * 2009-10-08 2011-04-14 Robert Bosch Gmbh Method and control device for operating a valve
DE102010063099A1 (en) * 2010-12-15 2012-06-21 Robert Bosch Gmbh Method for operating a Kraftstoffeinspitzanlage an internal combustion engine
JP6169404B2 (en) * 2013-04-26 2017-07-26 日立オートモティブシステムズ株式会社 Control device for solenoid valve and control device for internal combustion engine using the same
DE102014222556A1 (en) * 2014-11-05 2016-05-12 Robert Bosch Gmbh Method for controlling an injection duration of an injector in an internal combustion engine
EP3091214B1 (en) * 2015-05-08 2018-11-21 Continental Automotive GmbH Monitoring method to monitor the built up of obstructing coatings due to coking in sprayholes of a fuel injector jet nozzle, compensation method to compensate negative effects of these obstructing coatings and electronic control unit for a combustion engine
DE102016200743A1 (en) * 2016-01-20 2017-07-20 Robert Bosch Gmbh Method for determining an opening delay duration of a fuel injector

Also Published As

Publication number Publication date
GB2567809B (en) 2020-04-01
EP3698035A1 (en) 2020-08-26
CN111247323A (en) 2020-06-05
WO2019076691A1 (en) 2019-04-25
CN111247323B (en) 2023-02-21
GB2567809A (en) 2019-05-01

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: DELPHI TECHNOLOGIES IP LIMITED

Free format text: FORMER OWNER: DELPHI INTERNATIONAL OPERATIONS LUXEMBOURG S.A.R.L.