EP4786856A2 - Brennstoffeinspritzdüsenanordnung für gasturbinenmotor mit entlüftung - Google Patents

Brennstoffeinspritzdüsenanordnung für gasturbinenmotor mit entlüftung

Info

Publication number
EP4786856A2
EP4786856A2 EP26186847.5A EP26186847A EP4786856A2 EP 4786856 A2 EP4786856 A2 EP 4786856A2 EP 26186847 A EP26186847 A EP 26186847A EP 4786856 A2 EP4786856 A2 EP 4786856A2
Authority
EP
European Patent Office
Prior art keywords
air
purge passage
passage
swirler
air swirler
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
EP26186847.5A
Other languages
English (en)
French (fr)
Inventor
Zhongtao Dai
Wookyung Kim
Stephen K. Kramer
Gary J. Dillard
Baris A. Sen
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.)
RTX Corp
Original Assignee
RTX Corp
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 RTX Corp filed Critical RTX Corp
Publication of EP4786856A2 publication Critical patent/EP4786856A2/de
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
    • F23R3/04—Air inlet arrangements
    • F23R3/10—Air inlet arrangements for primary air
    • F23R3/12—Air inlet arrangements for primary air inducing a vortex
    • F23R3/14—Air inlet arrangements for primary air inducing a vortex by using swirl vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/283—Attaching or cooling of fuel injecting means including supports for fuel injectors, stems, or lances

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP26186847.5A 2023-01-31 2024-01-31 Brennstoffeinspritzdüsenanordnung für gasturbinenmotor mit entlüftung Pending EP4786856A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363442334P 2023-01-31 2023-01-31
EP24155110.0A EP4411230B1 (de) 2023-01-31 2024-01-31 Gasturbinenmotorkraftstoffeinspritzanordnung mit entlüftung

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP24155110.0A Division EP4411230B1 (de) 2023-01-31 2024-01-31 Gasturbinenmotorkraftstoffeinspritzanordnung mit entlüftung

Publications (1)

Publication Number Publication Date
EP4786856A2 true EP4786856A2 (de) 2026-08-05

Family

ID=89771698

Family Applications (2)

Application Number Title Priority Date Filing Date
EP26186847.5A Pending EP4786856A2 (de) 2023-01-31 2024-01-31 Brennstoffeinspritzdüsenanordnung für gasturbinenmotor mit entlüftung
EP24155110.0A Active EP4411230B1 (de) 2023-01-31 2024-01-31 Gasturbinenmotorkraftstoffeinspritzanordnung mit entlüftung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP24155110.0A Active EP4411230B1 (de) 2023-01-31 2024-01-31 Gasturbinenmotorkraftstoffeinspritzanordnung mit entlüftung

Country Status (2)

Country Link
US (1) US20240255147A1 (de)
EP (2) EP4786856A2 (de)

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703259A (en) * 1971-05-03 1972-11-21 Gen Electric Air blast fuel atomizer
US3946552A (en) * 1973-09-10 1976-03-30 General Electric Company Fuel injection apparatus
US3853273A (en) * 1973-10-01 1974-12-10 Gen Electric Axial swirler central injection carburetor
US4584834A (en) * 1982-07-06 1986-04-29 General Electric Company Gas turbine engine carburetor
US5197290A (en) * 1990-03-26 1993-03-30 Fuel Systems Textron Inc. Variable area combustor air swirler
US6834505B2 (en) * 2002-10-07 2004-12-28 General Electric Company Hybrid swirler
FR2903169B1 (fr) * 2006-06-29 2011-11-11 Snecma Dispositif d'injection d'un melange d'air et de carburant, chambre de combustion et turbomachine munies d'un tel dispositif
FR2911666B1 (fr) * 2007-01-18 2009-03-13 Snecma Sa Dispositif d'injection d'un melange d'air et de carburant, chambre de combustion et turbomachine munies d'un tel dispositif
FR2918716B1 (fr) * 2007-07-12 2014-02-28 Snecma Optimisation d'un film anti-coke dans un systeme d'injection
US8973368B2 (en) * 2011-01-26 2015-03-10 United Technologies Corporation Mixer assembly for a gas turbine engine
US9920932B2 (en) * 2011-01-26 2018-03-20 United Technologies Corporation Mixer assembly for a gas turbine engine
WO2012156631A1 (fr) * 2011-05-17 2012-11-22 Snecma Chambre annulaire de combustion pour une turbomachine
FR3050806B1 (fr) * 2016-04-28 2020-02-21 Safran Aircraft Engines Vrille d'admission d'air pour systeme d'injection de turbomachine comprenant un deflecteur aerodynamique a son entree
US11226101B2 (en) * 2019-02-01 2022-01-18 General Electric Company Combustor swirler
US11378275B2 (en) * 2019-12-06 2022-07-05 Raytheon Technologies Corporation High shear swirler with recessed fuel filmer for a gas turbine engine
US12011734B2 (en) * 2020-09-15 2024-06-18 Rtx Corporation Fuel nozzle air swirler
US11802693B2 (en) * 2021-04-16 2023-10-31 General Electric Company Combustor swirl vane apparatus
CN115523068B (zh) * 2021-06-24 2025-07-18 通用电气公司 旋流器套圈组件
US12072099B2 (en) * 2021-12-21 2024-08-27 General Electric Company Gas turbine fuel nozzle having a lip extending from the vanes of a swirler
US12359813B2 (en) * 2021-12-29 2025-07-15 General Electric Company Engine fuel nozzle and swirler

Also Published As

Publication number Publication date
US20240255147A1 (en) 2024-08-01
EP4411230A1 (de) 2024-08-07
EP4411230B1 (de) 2026-06-24

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AC Divisional application: reference to earlier application

Ref document number: 4411230

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR