WO2024220171A3 - Injecteur de carburant pour carburant gazeux et siège de soupape associé - Google Patents

Injecteur de carburant pour carburant gazeux et siège de soupape associé Download PDF

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Publication number
WO2024220171A3
WO2024220171A3 PCT/US2024/019360 US2024019360W WO2024220171A3 WO 2024220171 A3 WO2024220171 A3 WO 2024220171A3 US 2024019360 W US2024019360 W US 2024019360W WO 2024220171 A3 WO2024220171 A3 WO 2024220171A3
Authority
WO
WIPO (PCT)
Prior art keywords
fuel
valve seat
same
fuel injector
gaseous 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.)
Ceased
Application number
PCT/US2024/019360
Other languages
English (en)
Other versions
WO2024220171A2 (fr
Inventor
Raymond 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
Priority to CN202480025902.2A priority Critical patent/CN121039386A/zh
Priority to EP24793203.1A priority patent/EP4698770A2/fr
Publication of WO2024220171A2 publication Critical patent/WO2024220171A2/fr
Publication of WO2024220171A3 publication Critical patent/WO2024220171A3/fr
Anticipated expiration legal-status Critical
Ceased 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)

Abstract

L'invention concerne un injecteur de carburant pour carburant gazeux. L'injecteur de carburant comprend au moins une soupape ayant un siège de soupape et un piston. Le siège de soupape comprend un élément de siège externe et un élément de siège interne qui est espacé radialement vers l'intérieur de l'élément de siège externe pour définir un passage d'écoulement de combustible gazeux entre eux.
PCT/US2024/019360 2023-04-17 2024-03-11 Injecteur de carburant pour carburant gazeux et siège de soupape associé Ceased WO2024220171A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202480025902.2A CN121039386A (zh) 2023-04-17 2024-03-11 用于气态燃料的燃料喷射器以及用于燃料喷射器的阀门座
EP24793203.1A EP4698770A2 (fr) 2023-04-17 2024-03-11 Injecteur de carburant pour carburant gazeux et siège de soupape associé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363496531P 2023-04-17 2023-04-17
US63/496,531 2023-04-17

Publications (2)

Publication Number Publication Date
WO2024220171A2 WO2024220171A2 (fr) 2024-10-24
WO2024220171A3 true WO2024220171A3 (fr) 2025-01-30

Family

ID=93153440

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2024/019360 Ceased WO2024220171A2 (fr) 2023-04-17 2024-03-11 Injecteur de carburant pour carburant gazeux et siège de soupape associé

Country Status (3)

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

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

Citations (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
US20060060675A1 (en) * 2004-09-17 2006-03-23 Cooke Michael P Fuel injection nozzle and method of manufacture
US20090008480A1 (en) * 2007-07-06 2009-01-08 Michael Peter Cooke Dual spray injection nozzle
CN106089500A (zh) * 2016-07-29 2016-11-09 东风商用车有限公司 一种直通式双通道燃气喷射阀
US20200116113A1 (en) * 2017-03-10 2020-04-16 Liebherr-Components Deggendorf Gmbh Fuel injection valve

Patent Citations (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
US20060060675A1 (en) * 2004-09-17 2006-03-23 Cooke Michael P Fuel injection nozzle and method of manufacture
US20090008480A1 (en) * 2007-07-06 2009-01-08 Michael Peter Cooke Dual spray injection nozzle
CN106089500A (zh) * 2016-07-29 2016-11-09 东风商用车有限公司 一种直通式双通道燃气喷射阀
US20200116113A1 (en) * 2017-03-10 2020-04-16 Liebherr-Components Deggendorf Gmbh Fuel injection valve

Also Published As

Publication number Publication date
CN121039386A (zh) 2025-11-28
EP4698770A2 (fr) 2026-02-25
WO2024220171A2 (fr) 2024-10-24

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