CA2822965C - Moteur a turbine a gaz et systeme d'ailettes a cambrure variable - Google Patents

Moteur a turbine a gaz et systeme d'ailettes a cambrure variable Download PDF

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Publication number
CA2822965C
CA2822965C CA2822965A CA2822965A CA2822965C CA 2822965 C CA2822965 C CA 2822965C CA 2822965 A CA2822965 A CA 2822965A CA 2822965 A CA2822965 A CA 2822965A CA 2822965 C CA2822965 C CA 2822965C
Authority
CA
Canada
Prior art keywords
airfoil portion
airfoil
crown
vane system
variable camber
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.)
Active
Application number
CA2822965A
Other languages
English (en)
Other versions
CA2822965A1 (fr
Inventor
Robert A. Ress, Jr.
James Morton
Dan MOLNAR
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.)
Rolls Royce North American Technologies Inc
Original Assignee
Rolls Royce North American Technologies 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 Rolls Royce North American Technologies Inc filed Critical Rolls Royce North American Technologies Inc
Publication of CA2822965A1 publication Critical patent/CA2822965A1/fr
Application granted granted Critical
Publication of CA2822965C publication Critical patent/CA2822965C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/083—Sealings especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Selon un mode de réalisation, la présente invention concerne un système unique d'ailettes à cambrure variable pour un moteur à turbine à gaz. Selon un autre mode de réalisation, l'invention concerne un moteur à turbine à gaz unique. D'autres modes de réalisation comprennent des appareils, des systèmes, des dispositifs, du matériel, des procédés, et des combinaisons pour moteurs à turbine à gaz et des systèmes d'ailettes à cambrure variable. D'autres modes de réalisation, formes, caractéristiques, aspects, bénéfices, et avantages sont décrits dans la description et les dessins qui y sont associés.
CA2822965A 2010-12-27 2011-12-27 Moteur a turbine a gaz et systeme d'ailettes a cambrure variable Active CA2822965C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/978,843 2010-12-27
US12/978,843 US20120163960A1 (en) 2010-12-27 2010-12-27 Gas turbine engine and variable camber vane system
PCT/US2011/067393 WO2012092277A1 (fr) 2010-12-27 2011-12-27 Moteur à turbine à gaz et système d'ailettes à cambrure variable

Publications (2)

Publication Number Publication Date
CA2822965A1 CA2822965A1 (fr) 2012-07-05
CA2822965C true CA2822965C (fr) 2020-02-11

Family

ID=46317012

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2822965A Active CA2822965C (fr) 2010-12-27 2011-12-27 Moteur a turbine a gaz et systeme d'ailettes a cambrure variable

Country Status (4)

Country Link
US (1) US20120163960A1 (fr)
EP (1) EP2659112B1 (fr)
CA (1) CA2822965C (fr)
WO (1) WO2012092277A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11174916B2 (en) 2019-03-21 2021-11-16 Pratt & Whitney Canada Corp. Aircraft engine reduction gearbox
US11268453B1 (en) 2021-03-17 2022-03-08 Pratt & Whitney Canada Corp. Lubrication system for aircraft engine reduction gearbox

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140064955A1 (en) * 2011-09-14 2014-03-06 General Electric Company Guide vane assembly for a gas turbine engine
EP2905425B1 (fr) * 2014-02-06 2019-07-10 United Technologies Corporation Système d'étanchéité et aube variable
US9617864B2 (en) * 2014-07-21 2017-04-11 United Technologies Corporation Seal assembly for a guide vane assembly
CA2959993A1 (fr) * 2014-09-12 2016-03-17 General Electric Company Compresseur axi-centrifuge ayant des aubes directrices a sortie variable
US9879560B2 (en) * 2015-05-15 2018-01-30 United Technologies Corporation Vane strut positioning and securing systems
US10704418B2 (en) 2016-08-11 2020-07-07 General Electric Company Inlet assembly for an aircraft aft fan
US10252790B2 (en) 2016-08-11 2019-04-09 General Electric Company Inlet assembly for an aircraft aft fan
US10259565B2 (en) 2016-08-11 2019-04-16 General Electric Company Inlet assembly for an aircraft aft fan
US10253779B2 (en) 2016-08-11 2019-04-09 General Electric Company Inlet guide vane assembly for reducing airflow swirl distortion of an aircraft aft fan
US10662782B2 (en) * 2016-11-17 2020-05-26 Raytheon Technologies Corporation Airfoil with airfoil piece having axial seal
US10794200B2 (en) 2018-09-14 2020-10-06 United Technologies Corporation Integral half vane, ringcase, and id shroud
US10781707B2 (en) 2018-09-14 2020-09-22 United Technologies Corporation Integral half vane, ringcase, and id shroud
CN111102012B (zh) * 2018-10-25 2024-07-09 中国科学院工程热物理研究所 采用自适应康达喷气的叶片及制作方法
US11802490B2 (en) 2021-08-25 2023-10-31 Rolls-Royce Corporation Controllable variable fan outlet guide vanes
US11788429B2 (en) 2021-08-25 2023-10-17 Rolls-Royce Corporation Variable tandem fan outlet guide vanes
US11686211B2 (en) 2021-08-25 2023-06-27 Rolls-Royce Corporation Variable outlet guide vanes
US11879343B2 (en) 2021-08-25 2024-01-23 Rolls-Royce Corporation Systems for controlling variable outlet guide vanes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887297A (en) * 1974-06-25 1975-06-03 United Aircraft Corp Variable leading edge stator vane assembly
CA1038298A (fr) * 1975-10-14 1978-09-12 John Korta Rotor a pales orientables pour turbine a gaz
US3990810A (en) 1975-12-23 1976-11-09 Westinghouse Electric Corporation Vane assembly for close coupling the compressor turbine and a single stage power turbine of a two-shaped gas turbine
US6045325A (en) 1997-12-18 2000-04-04 United Technologies Corporation Apparatus for minimizing inlet airflow turbulence in a gas turbine engine
DE10352789B4 (de) 2003-11-12 2006-04-13 Mtu Aero Engines Gmbh Gasturbine
US7730714B2 (en) * 2005-11-29 2010-06-08 General Electric Company Turbofan gas turbine engine with variable fan outlet guide vanes
US8632302B2 (en) * 2009-12-07 2014-01-21 Dresser-Rand Company Compressor performance adjustment system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11174916B2 (en) 2019-03-21 2021-11-16 Pratt & Whitney Canada Corp. Aircraft engine reduction gearbox
US11268453B1 (en) 2021-03-17 2022-03-08 Pratt & Whitney Canada Corp. Lubrication system for aircraft engine reduction gearbox

Also Published As

Publication number Publication date
EP2659112A4 (fr) 2018-03-07
CA2822965A1 (fr) 2012-07-05
EP2659112A1 (fr) 2013-11-06
WO2012092277A1 (fr) 2012-07-05
US20120163960A1 (en) 2012-06-28
EP2659112B1 (fr) 2020-10-07

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Effective date: 20161114