GB2561574B - Needle coating for injector closed loop - Google Patents

Needle coating for injector closed loop Download PDF

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Publication number
GB2561574B
GB2561574B GB1706145.8A GB201706145A GB2561574B GB 2561574 B GB2561574 B GB 2561574B GB 201706145 A GB201706145 A GB 201706145A GB 2561574 B GB2561574 B GB 2561574B
Authority
GB
United Kingdom
Prior art keywords
closed loop
needle coating
injector closed
injector
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.)
Active
Application number
GB1706145.8A
Other versions
GB2561574A (en
GB201706145D0 (en
Inventor
Vit Romain
Tapin Christophe
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 Technologies IP Ltd
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 Technologies IP Ltd filed Critical Delphi Technologies IP Ltd
Priority to GB1706145.8A priority Critical patent/GB2561574B/en
Publication of GB201706145D0 publication Critical patent/GB201706145D0/en
Priority to CN201880025321.3A priority patent/CN110719996A/en
Priority to EP18717356.2A priority patent/EP3612728A1/en
Priority to PCT/EP2018/059341 priority patent/WO2018192828A1/en
Publication of GB2561574A publication Critical patent/GB2561574A/en
Application granted granted Critical
Publication of GB2561574B publication Critical patent/GB2561574B/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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/166—Selection of particular materials
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1493—Details
    • F02D41/1496—Measurement of the conductivity of a sensor
    • 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
    • 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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/005—Fuel-injectors combined or associated with other devices the devices being sensors
    • 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
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248—Injectors
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/02—Fuel-injection apparatus having means for reducing wear
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/24—Fuel-injection apparatus with sensors
    • F02M2200/245—Position sensors, e.g. Hall sensors
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/90—Selection of particular materials
    • F02M2200/9038—Coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Fuel-Injection Apparatus (AREA)
GB1706145.8A 2017-04-18 2017-04-18 Needle coating for injector closed loop Active GB2561574B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1706145.8A GB2561574B (en) 2017-04-18 2017-04-18 Needle coating for injector closed loop
CN201880025321.3A CN110719996A (en) 2017-04-18 2018-04-11 Needle coating for fuel injector
EP18717356.2A EP3612728A1 (en) 2017-04-18 2018-04-11 Needle coating for fuel injector
PCT/EP2018/059341 WO2018192828A1 (en) 2017-04-18 2018-04-11 Needle coating for fuel injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1706145.8A GB2561574B (en) 2017-04-18 2017-04-18 Needle coating for injector closed loop

Publications (3)

Publication Number Publication Date
GB201706145D0 GB201706145D0 (en) 2017-05-31
GB2561574A GB2561574A (en) 2018-10-24
GB2561574B true GB2561574B (en) 2020-09-23

Family

ID=58744490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1706145.8A Active GB2561574B (en) 2017-04-18 2017-04-18 Needle coating for injector closed loop

Country Status (4)

Country Link
EP (1) EP3612728A1 (en)
CN (1) CN110719996A (en)
GB (1) GB2561574B (en)
WO (1) WO2018192828A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190471A (en) * 1983-04-12 1984-10-29 Diesel Kiki Co Ltd Fuel injection valve
US6920690B1 (en) * 1999-04-27 2005-07-26 Siemens Vdo Automotive Corp. Method of manufacturing a fuel injector seat
WO2017015306A2 (en) * 2015-07-20 2017-01-26 University Of Massachusetts Microbial nanowires with increased conductivity and reduced diameters
WO2017102208A1 (en) * 2015-12-17 2017-06-22 Robert Bosch Gmbh Fuel injection nozzle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004028051A (en) * 2002-06-28 2004-01-29 Denso Corp Fuel injection nozzle and method for manufacturing the same
DE102005020365A1 (en) * 2005-05-02 2006-11-09 Robert Bosch Gmbh Valve, in particular fuel injection valve
DE102005037549A1 (en) * 2005-08-09 2007-02-15 Robert Bosch Gmbh Coating for mechanically highly stressed components
CN102182599A (en) * 2011-03-30 2011-09-14 潍柴动力股份有限公司 Dimethyl ether engine fuel supply system and fuel injector thereof
DE102011016168B4 (en) * 2011-04-05 2015-02-12 L'orange Gmbh Fuel injector for an internal combustion engine
US9033256B2 (en) * 2011-08-30 2015-05-19 Continental Automotive Systems, Inc. Catalytic coating to prevent carbon deposits on gasoline direct injector tips
DE102016203822B4 (en) * 2016-03-09 2017-12-07 Robert Bosch Gmbh Fuel injection valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190471A (en) * 1983-04-12 1984-10-29 Diesel Kiki Co Ltd Fuel injection valve
US6920690B1 (en) * 1999-04-27 2005-07-26 Siemens Vdo Automotive Corp. Method of manufacturing a fuel injector seat
WO2017015306A2 (en) * 2015-07-20 2017-01-26 University Of Massachusetts Microbial nanowires with increased conductivity and reduced diameters
WO2017102208A1 (en) * 2015-12-17 2017-06-22 Robert Bosch Gmbh Fuel injection nozzle

Also Published As

Publication number Publication date
CN110719996A (en) 2020-01-21
GB2561574A (en) 2018-10-24
GB201706145D0 (en) 2017-05-31
EP3612728A1 (en) 2020-02-26
WO2018192828A1 (en) 2018-10-25

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Legal Events

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732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190222 AND 20190227