EP4745394A1 - Fuel valve for injecting fuel into the cylinders of a large turbocharged two-stroke/one-stroke internal combustion engine and engine with such a fuel valve - Google Patents

Fuel valve for injecting fuel into the cylinders of a large turbocharged two-stroke/one-stroke internal combustion engine and engine with such a fuel valve

Info

Publication number
EP4745394A1
EP4745394A1 EP25213647.8A EP25213647A EP4745394A1 EP 4745394 A1 EP4745394 A1 EP 4745394A1 EP 25213647 A EP25213647 A EP 25213647A EP 4745394 A1 EP4745394 A1 EP 4745394A1
Authority
EP
European Patent Office
Prior art keywords
stroke
fuel
fuel valve
engine
cylinders
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.)
Pending
Application number
EP25213647.8A
Other languages
German (de)
French (fr)
Inventor
Peter Hagen
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.)
Everllence Filial af Everllence SE Tyskland
Original Assignee
Everllence Filial af Everllence SE Tyskland
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 Everllence Filial af Everllence SE Tyskland filed Critical Everllence Filial af Everllence SE Tyskland
Publication of EP4745394A1 publication Critical patent/EP4745394A1/en
Pending 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
    • 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
    • F02M61/042—The valves being provided with fuel passages
    • 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
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/021—Injectors structurally combined with fuel-injection pumps the injector being of valveless type, e.g. the pump piston co-operating with a conical seat of an injection nozzle at the end of the pumping stroke
    • 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
    • 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
    • F02M61/06—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 being furnished at seated ends with pintle or plug shaped extensions
    • 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
    • F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
    • 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
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/1813—Discharge orifices having different orientations with respect to valve member direction of movement, e.g. orientations being such that fuel jets emerging from discharge orifices collide with each other
    • 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
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
EP25213647.8A 2024-11-14 2025-11-05 Fuel valve for injecting fuel into the cylinders of a large turbocharged two-stroke/one-stroke internal combustion engine and engine with such a fuel valve Pending EP4745394A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA202430696 2024-11-14

Publications (1)

Publication Number Publication Date
EP4745394A1 true EP4745394A1 (en) 2026-05-20

Family

ID=99547380

Family Applications (1)

Application Number Title Priority Date Filing Date
EP25213647.8A Pending EP4745394A1 (en) 2024-11-14 2025-11-05 Fuel valve for injecting fuel into the cylinders of a large turbocharged two-stroke/one-stroke internal combustion engine and engine with such a fuel valve

Country Status (3)

Country Link
EP (1) EP4745394A1 (en)
JP (1) JP7854559B1 (en)
CN (1) CN122040488A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8387900B2 (en) * 2011-06-24 2013-03-05 Weidlinger Associates, Inc. Directly-actuated piezoelectric fuel injector with variable flow control
DE102013017853B4 (en) * 2013-10-26 2021-03-04 Woodward L'orange Gmbh Method of execution with a dual fuel fuel injection system
US11939940B2 (en) * 2021-10-04 2024-03-26 Billet Machine And Fabrication, Inc. Fuel injector
DK181704B1 (en) * 2023-03-24 2024-10-21 Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland A fuel valve for injecting fuel into the cylinders of a large turbocharged two-stroke uniflow scavenged internal combustion engine and an engine with such fuel valve

Also Published As

Publication number Publication date
CN122040488A (en) 2026-05-15
JP7854559B1 (en) 2026-05-01

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