EP4698770A2 - Kraftstoffinjektor für gasförmigen kraftstoff und ventilsitz dafür - Google Patents

Kraftstoffinjektor für gasförmigen kraftstoff und ventilsitz dafür

Info

Publication number
EP4698770A2
EP4698770A2 EP24793203.1A EP24793203A EP4698770A2 EP 4698770 A2 EP4698770 A2 EP 4698770A2 EP 24793203 A EP24793203 A EP 24793203A EP 4698770 A2 EP4698770 A2 EP 4698770A2
Authority
EP
European Patent Office
Prior art keywords
seat member
valve
plunger
seat
fuel
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
EP24793203.1A
Other languages
English (en)
French (fr)
Inventor
Raymond V. Primus
Andrew Jacob Laska
Anthony Allan SHAULL
Ross A. PHILLIPS
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.)
Cummins Inc
Original Assignee
Cummins Inc
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 Cummins Inc filed Critical Cummins Inc
Publication of EP4698770A2 publication Critical patent/EP4698770A2/de
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
    • 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
    • F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
    • F02M21/026—Lift valves, i.e. stem operated valves
    • F02M21/0269—Outwardly opening valves, e.g. poppet valves
    • 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
    • F02M21/0251—Details of actuators therefor
    • F02M21/0254—Electric actuators, e.g. solenoid or piezoelectric
    • 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
    • F02M21/0275—Injectors for in-cylinder direct injection, e.g. injector combined with spark plug
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Fuel-Injection Apparatus (AREA)
EP24793203.1A 2023-04-17 2024-03-11 Kraftstoffinjektor für gasförmigen kraftstoff und ventilsitz dafür Pending EP4698770A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363496531P 2023-04-17 2023-04-17
PCT/US2024/019360 WO2024220171A2 (en) 2023-04-17 2024-03-11 Fuel injector for gaseous fuel and valve seat for the same

Publications (1)

Publication Number Publication Date
EP4698770A2 true EP4698770A2 (de) 2026-02-25

Family

ID=93153440

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24793203.1A Pending EP4698770A2 (de) 2023-04-17 2024-03-11 Kraftstoffinjektor für gasförmigen kraftstoff und ventilsitz dafür

Country Status (3)

Country Link
EP (1) EP4698770A2 (de)
CN (1) CN121039386A (de)
WO (1) WO2024220171A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12385452B2 (en) 2023-04-17 2025-08-12 Cummins Inc. Fuel injector for gaseous fuel and valve assembly for the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6065692A (en) * 1999-06-09 2000-05-23 Siemens Automotive Corporation Valve seat subassembly for fuel injector
EP1637730B1 (de) * 2004-09-17 2014-04-16 Delphi International Operations Luxembourg S.à r.l. Brennstoffeinspritzdüse und Verfahren zum Herstellen
ATE524649T1 (de) * 2007-07-06 2011-09-15 Delphi Tech Holding Sarl Doppelsprüh-einspritzdüse
CN106089500B (zh) * 2016-07-29 2019-09-13 东风商用车有限公司 一种直通式双通道燃气喷射阀
DE102017002366A1 (de) * 2017-03-10 2018-09-13 Liebherr-Components Deggendorf Gmbh Kraftstoffeinspritzventil

Also Published As

Publication number Publication date
WO2024220171A2 (en) 2024-10-24
CN121039386A (zh) 2025-11-28
WO2024220171A3 (en) 2025-01-30

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