GB2548375A - Fuel injector - Google Patents

Fuel injector Download PDF

Info

Publication number
GB2548375A
GB2548375A GB1604455.4A GB201604455A GB2548375A GB 2548375 A GB2548375 A GB 2548375A GB 201604455 A GB201604455 A GB 201604455A GB 2548375 A GB2548375 A GB 2548375A
Authority
GB
United Kingdom
Prior art keywords
fuel
valve
valve needle
bore
fuel injector
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Withdrawn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
GB1604455.4A
Other languages
English (en)
Other versions
GB201604455D0 (en
Inventor
Price Kevin
Sullivan Kris
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 International Operations Luxembourg SARL
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 GB1604455.4A priority Critical patent/GB2548375A/en
Publication of GB201604455D0 publication Critical patent/GB201604455D0/en
Priority to EP18173371.8A priority patent/EP3399177B1/de
Priority to EP17161355.7A priority patent/EP3219974A1/de
Publication of GB2548375A publication Critical patent/GB2548375A/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Withdrawn legal-status Critical Current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
    • 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
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • 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
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/08—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves opening in direction of fuel flow
    • 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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic means
GB1604455.4A 2016-03-16 2016-03-16 Fuel injector Withdrawn GB2548375A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1604455.4A GB2548375A (en) 2016-03-16 2016-03-16 Fuel injector
EP18173371.8A EP3399177B1 (de) 2016-03-16 2017-03-16 Kraftstoffeinspritzer
EP17161355.7A EP3219974A1 (de) 2016-03-16 2017-03-16 Kraftstoffeinspritzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1604455.4A GB2548375A (en) 2016-03-16 2016-03-16 Fuel injector

Publications (2)

Publication Number Publication Date
GB201604455D0 GB201604455D0 (en) 2016-04-27
GB2548375A true GB2548375A (en) 2017-09-20

Family

ID=55952386

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1604455.4A Withdrawn GB2548375A (en) 2016-03-16 2016-03-16 Fuel injector

Country Status (2)

Country Link
EP (2) EP3399177B1 (de)
GB (1) GB2548375A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK181318B1 (en) * 2022-02-18 2023-08-10 Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland A fuel valve for a large turbocharged two-stroke uniflow crosshead internal combustion engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001075296A1 (en) * 2000-03-31 2001-10-11 Cummins Engine Company, Inc. Closed nozzle fuel injector with improved controllability
US20020125346A1 (en) * 1999-12-15 2002-09-12 Uwe Liskow Fuel Injector
US20090032622A1 (en) * 2007-07-31 2009-02-05 Dennis Henderson Gibson Fuel injector nozzle with flow restricting device
WO2015091180A1 (en) * 2013-12-19 2015-06-25 Delphi International Operations Luxembourg S.À R.L. Fuel injection nozzle
US20150345450A1 (en) * 2014-05-31 2015-12-03 Cummins Inc. Restrictive flow passage in common rail injectors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6318646B1 (en) * 1999-03-26 2001-11-20 MAGNETI MARELLI S.p.A. Fuel injector
ITBO20020360A1 (it) * 2002-06-07 2003-12-09 Magneti Marelli Powertrain Spa Iniettore di carburante per un motore a combustione interna con polverizzazione multiforo
DE102007021330A1 (de) * 2007-05-07 2008-11-13 Robert Bosch Gmbh Kraftstoffinjektor für eine Brennkraftmaschine mit Common-Rail-Einspritzsystem
EP2568157A1 (de) * 2011-09-08 2013-03-13 Delphi Technologies Holding S.à.r.l. Einspritzdüse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020125346A1 (en) * 1999-12-15 2002-09-12 Uwe Liskow Fuel Injector
WO2001075296A1 (en) * 2000-03-31 2001-10-11 Cummins Engine Company, Inc. Closed nozzle fuel injector with improved controllability
US20090032622A1 (en) * 2007-07-31 2009-02-05 Dennis Henderson Gibson Fuel injector nozzle with flow restricting device
WO2015091180A1 (en) * 2013-12-19 2015-06-25 Delphi International Operations Luxembourg S.À R.L. Fuel injection nozzle
US20150345450A1 (en) * 2014-05-31 2015-12-03 Cummins Inc. Restrictive flow passage in common rail injectors

Also Published As

Publication number Publication date
EP3399177B1 (de) 2020-01-08
EP3399177A1 (de) 2018-11-07
GB201604455D0 (en) 2016-04-27
EP3219974A1 (de) 2017-09-20

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Legal Events

Date Code Title Description
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

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