CA2891070A1 - Contoured stator shrouds - Google Patents

Contoured stator shrouds Download PDF

Info

Publication number
CA2891070A1
CA2891070A1 CA2891070A CA2891070A CA2891070A1 CA 2891070 A1 CA2891070 A1 CA 2891070A1 CA 2891070 A CA2891070 A CA 2891070A CA 2891070 A CA2891070 A CA 2891070A CA 2891070 A1 CA2891070 A1 CA 2891070A1
Authority
CA
Canada
Prior art keywords
vane
shroud
elevation
stator shroud
contoured
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.)
Abandoned
Application number
CA2891070A
Other languages
English (en)
French (fr)
Inventor
Joseph Capozzi
David Vickery Parker
Jeffrey Daniel Carnes
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of CA2891070A1 publication Critical patent/CA2891070A1/en
Abandoned legal-status Critical Current

Links

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
    • F01D9/00—Stators
    • 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
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • 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
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • 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
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
CA2891070A 2012-11-16 2013-11-05 Contoured stator shrouds Abandoned CA2891070A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/679,093 US20140140822A1 (en) 2012-11-16 2012-11-16 Contoured Stator Shroud
US13/679,093 2012-11-16
PCT/US2013/068421 WO2014078121A1 (en) 2012-11-16 2013-11-05 Contoured stator shrouds

Publications (1)

Publication Number Publication Date
CA2891070A1 true CA2891070A1 (en) 2014-05-22

Family

ID=50002832

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2891070A Abandoned CA2891070A1 (en) 2012-11-16 2013-11-05 Contoured stator shrouds

Country Status (7)

Country Link
US (1) US20140140822A1 (ja)
EP (1) EP2920430A1 (ja)
JP (1) JP2015537150A (ja)
CN (1) CN104781509B (ja)
BR (1) BR112015011191A2 (ja)
CA (1) CA2891070A1 (ja)
WO (1) WO2014078121A1 (ja)

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* Cited by examiner, † Cited by third party
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US9708914B2 (en) * 2013-03-10 2017-07-18 Rolls-Royce Corporation Gas turbine engine airflow member having spherical end
US9638212B2 (en) * 2013-12-19 2017-05-02 Pratt & Whitney Canada Corp. Compressor variable vane assembly
US9533485B2 (en) * 2014-03-28 2017-01-03 Pratt & Whitney Canada Corp. Compressor variable vane assembly
US9631504B2 (en) * 2014-04-02 2017-04-25 Solar Turbines Incorporated Variable guide vane extended variable fillet
EP3009604B1 (en) * 2014-09-19 2018-08-08 United Technologies Corporation Radially fastened fixed-variable vane system
US10287901B2 (en) 2014-12-08 2019-05-14 United Technologies Corporation Vane assembly of a gas turbine engine
EP3051119A1 (en) * 2015-01-30 2016-08-03 ALSTOM Renewable Technologies Turbine unit for hydraulic installation
EP3128132B1 (de) * 2015-08-03 2019-03-27 MTU Aero Engines GmbH Turbomaschinen-leitschaufelringelement
EP3176385B1 (de) * 2015-12-04 2022-01-26 MTU Aero Engines AG Leitschaufelkranzgehäuse für eine strömungsmaschine und strömungsmaschine mit leitschaufelkranzgehäuse
EP3176384B1 (de) 2015-12-04 2023-07-12 MTU Aero Engines AG Innenring, zugehöriger innenringsektor, leitschaufelkranz und strömungsmaschine
FR3048228B1 (fr) * 2016-02-25 2018-03-09 Safran Aircraft Engines Moyeu d'helice a pales a calage variable avec variation radiale et axiale de dimensionnement
DE102016215784A1 (de) * 2016-08-23 2018-03-01 MTU Aero Engines AG Positionierungselement mit Aussparungen für eine Leitschaufelanordnung
US10815811B2 (en) 2017-11-28 2020-10-27 General Electric Company Rotatable component for turbomachines, including a non-axisymmetric overhanging portion
DE102018203442A1 (de) * 2018-03-07 2019-09-12 MTU Aero Engines AG Innenring für eine Turbomaschine, Leitschaufelkranz mit einem Innenring, Turbomaschine und Verfahren zur Herstellung eines Innenrings
FR3100563B1 (fr) * 2019-09-06 2021-08-06 Safran Aircraft Engines Moyeu polysphérique de turbomachine pour pales à calage variable
DE102019216634A1 (de) * 2019-10-29 2021-04-29 MTU Aero Engines AG Leitschaufelanordnung für eine strömungsmaschine
DE102019218911A1 (de) * 2019-12-04 2021-06-10 MTU Aero Engines AG Leitschaufelanordnung für eine strömungsmaschine
US11359509B1 (en) * 2020-11-23 2022-06-14 Pratt & Whitney Canada Corp. Variable guide vane assembly with bushing ring and biasing member
US11608747B2 (en) 2021-01-07 2023-03-21 General Electric Company Split shroud for vibration reduction
US11572794B2 (en) 2021-01-07 2023-02-07 General Electric Company Inner shroud damper for vibration reduction
US11965422B2 (en) * 2022-08-02 2024-04-23 Pratt & Whitney Canada Corp. Variable guide vane assembly for gas turbine engine
US11879480B1 (en) 2023-04-07 2024-01-23 Rolls-Royce North American Technologies Inc. Sectioned compressor inner band for variable pitch vane assemblies in gas turbine engines

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1300194B (de) * 1963-03-21 1969-07-31 Costa Silar Dr Dipl Ing Leitradanordnung mit verstellbaren Schaufeln bei Axialventilatoren
DE2835349C2 (de) * 1978-08-11 1979-12-20 Mtu Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen Verstelleitgitter für hochbelastete Verdichter, insbesondere von Gasturbinentriebwerken
US4950129A (en) * 1989-02-21 1990-08-21 General Electric Company Variable inlet guide vanes for an axial flow compressor
CA2056592A1 (en) * 1990-12-21 1992-06-22 Phillip D. Napoli Multi-hole film cooled combustor liner with slotted film starter
GB9823840D0 (en) * 1998-10-30 1998-12-23 Rolls Royce Plc Bladed ducting for turbomachinery
FR2814205B1 (fr) * 2000-09-18 2003-02-28 Snecma Moteurs Turbomachine a veine d'ecoulement ameliore
ITTO20010445A1 (it) * 2001-05-11 2002-11-11 Fiatavio Spa Statore di una turbina assiale a geometria variabile per applicazioniaeronautiche.
DE10352787A1 (de) * 2003-11-12 2005-06-23 Mtu Aero Engines Gmbh Leitschaufelgitter und Turbomaschine mit einem Leitschaufelgitter
GB0504588D0 (en) * 2005-03-05 2005-04-13 Rolls Royce Plc Pivot ring
FR2885182B1 (fr) * 2005-04-28 2010-11-26 Snecma Moteurs Aube de stator a calage variable, procede de reparation d'une aube
DE102007027427A1 (de) * 2007-06-14 2008-12-18 Rolls-Royce Deutschland Ltd & Co Kg Schaufeldeckband mit Überstand
FR2933148B1 (fr) * 2008-06-25 2010-08-20 Snecma Compresseur de turbomachine
FR2941018B1 (fr) * 2009-01-09 2011-02-11 Snecma Aube a calage variable pour etage de redresseur, comprenant une plateforme interne non circulaire
US8123471B2 (en) * 2009-03-11 2012-02-28 General Electric Company Variable stator vane contoured button
ES2891562T3 (es) * 2011-12-20 2022-01-28 MTU Aero Engines AG Turbomaquinaria y etapa de turbomaquinaria
US9175567B2 (en) * 2012-02-29 2015-11-03 United Technologies Corporation Low loss airfoil platform trailing edge

Also Published As

Publication number Publication date
EP2920430A1 (en) 2015-09-23
JP2015537150A (ja) 2015-12-24
CN104781509B (zh) 2018-07-13
US20140140822A1 (en) 2014-05-22
WO2014078121A1 (en) 2014-05-22
CN104781509A (zh) 2015-07-15
BR112015011191A2 (pt) 2017-07-11

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20181106