IT8520480A0 - Perfezionata sommita' di pala di rotore per macchina a turbina. - Google Patents

Perfezionata sommita' di pala di rotore per macchina a turbina.

Info

Publication number
IT8520480A0
IT8520480A0 IT8520480A IT2048085A IT8520480A0 IT 8520480 A0 IT8520480 A0 IT 8520480A0 IT 8520480 A IT8520480 A IT 8520480A IT 2048085 A IT2048085 A IT 2048085A IT 8520480 A0 IT8520480 A0 IT 8520480A0
Authority
IT
Italy
Prior art keywords
rotor blade
turbine machine
improved top
improved
turbine
Prior art date
Application number
IT8520480A
Other languages
English (en)
Other versions
IT1184777B (it
Inventor
William Kelly Koffel
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8520480A0 publication Critical patent/IT8520480A0/it
Application granted granted Critical
Publication of IT1184777B publication Critical patent/IT1184777B/it

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
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT20480/85A 1984-04-27 1985-04-24 Perfezionata sommita' di pala di rotore per macchina a turbina IT1184777B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/604,671 US4589823A (en) 1984-04-27 1984-04-27 Rotor blade tip

Publications (2)

Publication Number Publication Date
IT8520480A0 true IT8520480A0 (it) 1985-04-24
IT1184777B IT1184777B (it) 1987-10-28

Family

ID=24420529

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20480/85A IT1184777B (it) 1984-04-27 1985-04-24 Perfezionata sommita' di pala di rotore per macchina a turbina

Country Status (6)

Country Link
US (1) US4589823A (it)
JP (1) JPS60256502A (it)
DE (1) DE3514393A1 (it)
FR (1) FR2563571B1 (it)
GB (1) GB2158160B (it)
IT (1) IT1184777B (it)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802828A (en) * 1986-12-29 1989-02-07 United Technologies Corporation Turbine blade having a fused metal-ceramic tip
US4863348A (en) * 1987-02-06 1989-09-05 Weinhold Wolfgang P Blade, especially a rotor blade
US4818833A (en) * 1987-12-21 1989-04-04 United Technologies Corporation Apparatus for radiantly heating blade tips
US4851188A (en) * 1987-12-21 1989-07-25 United Technologies Corporation Method for making a turbine blade having a wear resistant layer sintered to the blade tip surface
GB2315818B (en) * 1988-07-29 1998-06-24 United Technologies Corp Clearence control for the turbine of a gas turbine engine
US5667359A (en) * 1988-08-24 1997-09-16 United Technologies Corp. Clearance control for the turbine of a gas turbine engine
US4874290A (en) * 1988-08-26 1989-10-17 Solar Turbines Incorporated Turbine blade top clearance control system
US5074970A (en) * 1989-07-03 1991-12-24 Kostas Routsis Method for applying an abrasive layer to titanium alloy compressor airfoils
FR2798423B1 (fr) * 1990-01-24 2002-10-11 United Technologies Corp Commande de jeu pour turbine de moteur a turbine a gaz
DE4042729C2 (de) * 1990-02-08 2002-10-31 United Technologies Corp Minimale Leckströmung zwischen Schaufelspitze und Gehäusewand
US5104293A (en) * 1990-07-16 1992-04-14 United Technologies Corporation Method for applying abrasive layers to blade surfaces
US5282721A (en) * 1991-09-30 1994-02-01 United Technologies Corporation Passive clearance system for turbine blades
US5476364A (en) * 1992-10-27 1995-12-19 United Technologies Corporation Tip seal and anti-contamination for turbine blades
US5688107A (en) * 1992-12-28 1997-11-18 United Technologies Corp. Turbine blade passive clearance control
US5348446A (en) * 1993-04-28 1994-09-20 General Electric Company Bimetallic turbine airfoil
GB2310897B (en) * 1993-10-15 1998-05-13 United Technologies Corp Method and apparatus for reducing stress on the tips of turbine or compressor blades
US5476363A (en) * 1993-10-15 1995-12-19 Charles E. Sohl Method and apparatus for reducing stress on the tips of turbine or compressor blades
US5603603A (en) * 1993-12-08 1997-02-18 United Technologies Corporation Abrasive blade tip
JP3137527B2 (ja) * 1994-04-21 2001-02-26 三菱重工業株式会社 ガスタービン動翼チップ冷却装置
FR2724412B1 (fr) * 1994-09-14 1996-10-25 Snecma Aube de turbomachine en materiau composite munie d'un joint d'etancheite et son procede de realisation
US5704759A (en) * 1996-10-21 1998-01-06 Alliedsignal Inc. Abrasive tip/abradable shroud system and method for gas turbine compressor clearance control
US6355086B2 (en) 1997-08-12 2002-03-12 Rolls-Royce Corporation Method and apparatus for making components by direct laser processing
DE19944923B4 (de) * 1999-09-20 2007-07-19 Alstom Turbinenschaufel für den Rotor einer Gasturbine
US6602052B2 (en) * 2001-06-20 2003-08-05 Alstom (Switzerland) Ltd Airfoil tip squealer cooling construction
CH695703A5 (de) * 2002-01-15 2006-07-31 Alstom Technology Ltd Schaufel für eine Gasturbine mit einer Anstreifkante.
DE10202810B4 (de) 2002-01-25 2004-05-06 Mtu Aero Engines Gmbh Turbinenlaufschaufel für den Läufer eines Gasturbinentriebwerks
US6994514B2 (en) * 2002-11-20 2006-02-07 Mitsubishi Heavy Industries, Ltd. Turbine blade and gas turbine
CH696854A5 (de) 2003-04-14 2007-12-31 Alstom Technology Ltd Thermische Turbomaschine.
FR2858650B1 (fr) * 2003-08-06 2007-05-18 Snecma Moteurs Aube creuse de rotor pour la turbine d'un moteur a turbine a gaz
US6916150B2 (en) * 2003-11-26 2005-07-12 Siemens Westinghouse Power Corporation Cooling system for a tip of a turbine blade
DE10355241A1 (de) 2003-11-26 2005-06-30 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Fluidzufuhr
GB2413160B (en) * 2004-04-17 2006-08-09 Rolls Royce Plc Turbine rotor blades
US7419363B2 (en) * 2005-05-13 2008-09-02 Florida Turbine Technologies, Inc. Turbine blade with ceramic tip
US7481573B2 (en) * 2005-06-30 2009-01-27 Spx Corporation Mixing impeller with pre-shaped tip elements
US7922455B2 (en) * 2005-09-19 2011-04-12 General Electric Company Steam-cooled gas turbine bucker for reduced tip leakage loss
US8512003B2 (en) * 2006-08-21 2013-08-20 General Electric Company Tip ramp turbine blade
US7537431B1 (en) * 2006-08-21 2009-05-26 Florida Turbine Technologies, Inc. Turbine blade tip with mini-serpentine cooling circuit
US7726944B2 (en) * 2006-09-20 2010-06-01 United Technologies Corporation Turbine blade with improved durability tip cap
US20080317597A1 (en) * 2007-06-25 2008-12-25 General Electric Company Domed tip cap and related method
US7922451B1 (en) 2007-09-07 2011-04-12 Florida Turbine Technologies, Inc. Turbine blade with blade tip cooling passages
US8206108B2 (en) * 2007-12-10 2012-06-26 Honeywell International Inc. Turbine blades and methods of manufacturing
CN102057134B (zh) * 2008-10-30 2015-04-22 三菱日立电力系统株式会社 具有削薄接片的涡轮动叶片
US8066485B1 (en) * 2009-05-15 2011-11-29 Florida Turbine Technologies, Inc. Turbine blade with tip section cooling
US8852720B2 (en) * 2009-07-17 2014-10-07 Rolls-Royce Corporation Substrate features for mitigating stress
US9713912B2 (en) 2010-01-11 2017-07-25 Rolls-Royce Corporation Features for mitigating thermal or mechanical stress on an environmental barrier coating
GB201006451D0 (en) * 2010-04-19 2010-06-02 Rolls Royce Plc Blades
US8672634B2 (en) 2010-08-30 2014-03-18 United Technologies Corporation Electroformed conforming rubstrip
US8777567B2 (en) 2010-09-22 2014-07-15 Honeywell International Inc. Turbine blades, turbine assemblies, and methods of manufacturing turbine blades
GB201017797D0 (en) * 2010-10-21 2010-12-01 Rolls Royce Plc An aerofoil structure
DE102010050712A1 (de) * 2010-11-08 2012-05-10 Mtu Aero Engines Gmbh Bauelement einer Strömungsmaschine und Verfahren zum generativen Herstellen eines derartigen Bauelementes
ES2796526T3 (es) * 2010-11-30 2020-11-27 Mtu Aero Engines Gmbh Sistema de paletas para un motor de avión
EP2492443A1 (de) * 2011-02-22 2012-08-29 Siemens Aktiengesellschaft Verfahren zur Herstellung einer Schutzschicht für eine Laufschaufel
US8858167B2 (en) * 2011-08-18 2014-10-14 United Technologies Corporation Airfoil seal
WO2014144152A1 (en) 2013-03-15 2014-09-18 Rolls-Royce Corporation Improved coating interface
EP2971560B1 (en) * 2013-03-15 2020-05-06 United Technologies Corporation Maxmet composites for turbine engine component tips
US9856739B2 (en) 2013-09-18 2018-01-02 Honeywell International Inc. Turbine blades with tip portions having converging cooling holes
US20150093237A1 (en) * 2013-09-30 2015-04-02 General Electric Company Ceramic matrix composite component, turbine system and fabrication process
US9879544B2 (en) 2013-10-16 2018-01-30 Honeywell International Inc. Turbine rotor blades with improved tip portion cooling holes
US9816389B2 (en) 2013-10-16 2017-11-14 Honeywell International Inc. Turbine rotor blades with tip portion parapet wall cavities
US20150300180A1 (en) * 2014-04-22 2015-10-22 United Technologies Corporation Gas turbine engine turbine blade tip with coated recess
US11066937B2 (en) 2014-06-04 2021-07-20 Raytheon Technologies Corporation Cutting blade tips
US9932839B2 (en) 2014-06-04 2018-04-03 United Technologies Corporation Cutting blade tips
JP6462332B2 (ja) * 2014-11-20 2019-01-30 三菱重工業株式会社 タービン動翼及びガスタービン
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
US10227876B2 (en) * 2015-12-07 2019-03-12 General Electric Company Fillet optimization for turbine airfoil
US10227878B2 (en) * 2016-03-10 2019-03-12 General Electric Company Article and method of forming an article
DE102016205320A1 (de) * 2016-03-31 2017-10-05 Siemens Aktiengesellschaft Turbinenschaufel mit Kühlstruktur
US10801331B2 (en) * 2016-06-07 2020-10-13 Raytheon Technologies Corporation Gas turbine engine rotor including squealer tip pocket
FR3067405B1 (fr) * 2017-06-13 2020-08-14 Safran Aircraft Engines Turbomachine et procede d'etancheite par soufflage d'air
US11926005B2 (en) * 2017-08-03 2024-03-12 Vestas Wind Systems A/S Mill bit for the manufacture of a wind turbine blade and method of forming same
US10738644B2 (en) * 2017-08-30 2020-08-11 General Electric Company Turbine blade and method of forming blade tip for eliminating turbine blade tip wear in rubbing
DE102018204724A1 (de) * 2018-03-28 2019-10-02 Siemens Aktiengesellschaft Turbinenschaufel mit oxidationsresistenter Schaufelblattspitze
US10787932B2 (en) 2018-07-13 2020-09-29 Honeywell International Inc. Turbine blade with dust tolerant cooling system
KR102153066B1 (ko) * 2018-10-01 2020-09-07 두산중공업 주식회사 윙렛에 냉각홀을 가진 터빈 블레이드 및 이를 포함하는 가스 터빈
US11215061B2 (en) * 2020-02-04 2022-01-04 Raytheon Technologies Corporation Blade with wearable tip-rub-portions above squealer pocket
KR102466386B1 (ko) * 2020-09-25 2022-11-10 두산에너빌리티 주식회사 터빈 블레이드 및 이를 포함하는 터빈
US11486263B1 (en) * 2021-06-28 2022-11-01 General Electric Company System for addressing turbine blade tip rail wear in rubbing and cooling

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1002324A (fr) * 1946-09-09 1952-03-05 S. A. Perfectionnements apportés aux turbo-machines à aubages, notamment aux compresseurs axiaux
DE1087745B (de) * 1959-03-11 1960-08-25 Schilde Maschb Ag Axialschaufelrad
US3199836A (en) * 1964-05-04 1965-08-10 Gen Electric Axial flow turbo-machine blade with abrasive tip
US3810711A (en) * 1972-09-22 1974-05-14 Gen Motors Corp Cooled turbine blade and its manufacture
US3899267A (en) * 1973-04-27 1975-08-12 Gen Electric Turbomachinery blade tip cap configuration
US3854842A (en) * 1973-04-30 1974-12-17 Gen Electric Rotor blade having improved tip cap
JPS5025906A (it) * 1973-07-11 1975-03-18
FR2248732A5 (it) * 1973-10-23 1975-05-16 Onera (Off Nat Aerospatiale)
DE2503285C2 (de) * 1975-01-28 1984-08-30 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Verfahren zur Herstellung eines einstückigen thermisch hochbeanspruchten gekühlten Bauteils, insbesondere einer Schaufel für Turbinentriebwerke
US3981609A (en) * 1975-06-02 1976-09-21 United Technologies Corporation Coolable blade tip shroud
CH606775A5 (it) * 1975-09-30 1978-11-15 Kraftwerk Union Ag
US4142824A (en) * 1977-09-02 1979-03-06 General Electric Company Tip cooling for turbine blades
JPS5445284A (en) * 1977-09-09 1979-04-10 Gasutetsuku Kk Apparatus for extracting soil animal
US4169020A (en) * 1977-12-21 1979-09-25 General Electric Company Method for making an improved gas seal
US4232995A (en) * 1978-11-27 1980-11-11 General Electric Company Gas seal for turbine blade tip
US4247254A (en) * 1978-12-22 1981-01-27 General Electric Company Turbomachinery blade with improved tip cap
US4274806A (en) * 1979-06-18 1981-06-23 General Electric Company Staircase blade tip
US4390320A (en) * 1980-05-01 1983-06-28 General Electric Company Tip cap for a rotor blade and method of replacement
FR2483513A1 (fr) * 1980-05-28 1981-12-04 Snecma Procede pour la fabrication d'aubes de turbine refroidies au moyen d'un corps poreux et produit obtenu suivant ce procede
NO811830L (no) * 1980-06-05 1981-12-07 United Technologies Corp Slipende, kjoelbar tupphette for rotorblader.
US4411597A (en) * 1981-03-20 1983-10-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Tip cap for a rotor blade
MX155481A (es) * 1981-09-02 1988-03-17 Westinghouse Electric Corp Pala de rotor de turbina
US4386112A (en) * 1981-11-02 1983-05-31 United Technologies Corporation Co-spray abrasive coating
US4487550A (en) * 1983-01-27 1984-12-11 The United States Of America As Represented By The Secretary Of The Air Force Cooled turbine blade tip closure
DE3401742C2 (de) * 1984-01-19 1986-08-14 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Rotor für einen Axialverdichter

Also Published As

Publication number Publication date
FR2563571A1 (fr) 1985-10-31
JPS60256502A (ja) 1985-12-18
GB2158160A (en) 1985-11-06
GB2158160B (en) 1988-11-02
GB8509676D0 (en) 1985-05-22
IT1184777B (it) 1987-10-28
DE3514393A1 (de) 1985-10-31
FR2563571B1 (fr) 1989-04-21
US4589823A (en) 1986-05-20

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930415