IT1245264B - Disco palettato di turbina a gas - Google Patents

Disco palettato di turbina a gas

Info

Publication number
IT1245264B
IT1245264B ITMI910831A ITMI910831A IT1245264B IT 1245264 B IT1245264 B IT 1245264B IT MI910831 A ITMI910831 A IT MI910831A IT MI910831 A ITMI910831 A IT MI910831A IT 1245264 B IT1245264 B IT 1245264B
Authority
IT
Italy
Prior art keywords
dovetail
blade
fatigue life
cycle fatigue
gas turbine
Prior art date
Application number
ITMI910831A
Other languages
English (en)
Inventor
Otis Samford Moreman Iii
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 ITMI910831A0 publication Critical patent/ITMI910831A0/it
Publication of ITMI910831A1 publication Critical patent/ITMI910831A1/it
Application granted granted Critical
Publication of IT1245264B publication Critical patent/IT1245264B/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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type

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)

Abstract

Si descrive un perfezionato complesso di palette di rotore e di disco palettato. Nella realizzazione preferita, la paletta contiene una coda di rondine curva e ritorta disposta generalmente parallela ad un perimetro esterno inclinato di disco di rotore che consente alla coda di rondine di accogliere sollecitazione centrifuga della paletta mediante cave complementari a coda di rondine per ottenere migliori limiti di vita di fatica a ciclo leggero e di fatica a ciclo pesante e una paletta relativamente rigida per mantenere un margine di 2/REV. In una realizzazione esemplificativa, la coda di rondine comprende una sezione di un'elica e la coda di rondine è autoritenente nella cava a coda di rondine conto componenti assiali di sollecitazione centrifuga.
ITMI910831A 1990-03-29 1991-03-28 Disco palettato di turbina a gas IT1245264B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/500,974 US5067876A (en) 1990-03-29 1990-03-29 Gas turbine bladed disk

Publications (3)

Publication Number Publication Date
ITMI910831A0 ITMI910831A0 (it) 1991-03-28
ITMI910831A1 ITMI910831A1 (it) 1992-09-28
IT1245264B true IT1245264B (it) 1994-09-13

Family

ID=23991637

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910831A IT1245264B (it) 1990-03-29 1991-03-28 Disco palettato di turbina a gas

Country Status (7)

Country Link
US (1) US5067876A (it)
JP (1) JPH04224203A (it)
CA (1) CA2034478A1 (it)
DE (1) DE4108930A1 (it)
FR (1) FR2660361B1 (it)
GB (1) GB2243413B (it)
IT (1) IT1245264B (it)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5222865A (en) * 1991-03-04 1993-06-29 General Electric Company Platform assembly for attaching rotor blades to a rotor disk
US5275535A (en) * 1991-05-31 1994-01-04 Innerspace Corporation Ortho skew propeller blade
US5242270A (en) * 1992-01-31 1993-09-07 Westinghouse Electric Corp. Platform motion restraints for freestanding turbine blades
FR2697051B1 (fr) * 1992-10-21 1994-12-02 Snecma Rotor de turbomachine comprenant un disque dont le pourtour est occupé par des alvéoles obliques qui alternent avec des dents de section transversale variable.
US5310318A (en) * 1993-07-21 1994-05-10 General Electric Company Asymmetric axial dovetail and rotor disk
FR2723397B1 (fr) 1994-08-03 1996-09-13 Snecma Disque de compresseur de turbomachine muni d'une gorge circulaire asymetrique
GB9615826D0 (en) * 1996-07-27 1996-09-11 Rolls Royce Plc Gas turbine engine fan blade retention
KR20010023783A (ko) * 1997-09-08 2001-03-26 칼 하인쯔 호르닝어 터보 기계 및 증기 터빈용 블레이드
US6244822B1 (en) 1998-12-04 2001-06-12 Glenn B. Sinclair Precision crowning of blade attachments in gas turbines
US6541733B1 (en) 2001-01-29 2003-04-01 General Electric Company Laser shock peening integrally bladed rotor blade edges
US6764282B2 (en) 2001-11-14 2004-07-20 United Technologies Corporation Blade for turbine engine
US7442007B2 (en) * 2005-06-02 2008-10-28 Pratt & Whitney Canada Corp. Angled blade firtree retaining system
GB2428844A (en) * 2005-07-30 2007-02-07 Siemens Ind Turbomachinery Ltd Rotating machines
GB0521242D0 (en) * 2005-10-19 2005-11-23 Rolls Royce Plc A blade mounting
JP4807113B2 (ja) * 2006-03-14 2011-11-02 株式会社Ｉｈｉ ファンのダブテール構造
JP4911286B2 (ja) * 2006-03-14 2012-04-04 株式会社Ｉｈｉ ファンのダブテール構造
FR2900989B1 (fr) * 2006-05-12 2008-07-11 Snecma Sa Ensemble pour compresseur de moteur d'aeronef comprenant des aubes a attache marteau a pied incline
FR2903138B1 (fr) * 2006-06-28 2017-10-06 Snecma Aube mobile et disque de rotor de turbomachine, et dispositif d'attache d'une telle aube sur un tel disque
US7488157B2 (en) * 2006-07-27 2009-02-10 Siemens Energy, Inc. Turbine vane with removable platform inserts
US7581924B2 (en) * 2006-07-27 2009-09-01 Siemens Energy, Inc. Turbine vanes with airfoil-proximate cooling seam
US20080089789A1 (en) * 2006-10-17 2008-04-17 Thomas Joseph Farineau Airfoils for use with turbine assemblies and methods of assembling the same
US20080298973A1 (en) * 2007-05-29 2008-12-04 Siemens Power Generation, Inc. Turbine vane with divided turbine vane platform
US8221083B2 (en) * 2008-04-15 2012-07-17 United Technologies Corporation Asymmetrical rotor blade fir-tree attachment
US8096775B2 (en) * 2008-09-08 2012-01-17 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
US8057187B2 (en) * 2008-09-08 2011-11-15 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
US8210822B2 (en) * 2008-09-08 2012-07-03 General Electric Company Dovetail for steam turbine rotating blade and rotor wheel
US8100657B2 (en) * 2008-09-08 2012-01-24 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
US8052393B2 (en) * 2008-09-08 2011-11-08 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
US8075272B2 (en) * 2008-10-14 2011-12-13 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
US8459956B2 (en) * 2008-12-24 2013-06-11 General Electric Company Curved platform turbine blade
US8118557B2 (en) * 2009-03-25 2012-02-21 General Electric Company Steam turbine rotating blade of 52 inch active length for steam turbine low pressure application
US7997873B2 (en) * 2009-03-27 2011-08-16 General Electric Company High efficiency last stage bucket for steam turbine
EP2282010A1 (de) * 2009-06-23 2011-02-09 Siemens Aktiengesellschaft Laufschaufel für eine axial durchströmbare Turbomaschine
US8439643B2 (en) * 2009-08-20 2013-05-14 General Electric Company Biformal platform turbine blade
US20110189924A1 (en) * 2010-01-29 2011-08-04 Erickson Robert E Method of machining between contoured surfaces with cup shaped tool
US8651820B2 (en) * 2010-07-14 2014-02-18 General Electric Company Dovetail connection for turbine rotating blade and rotor wheel
DE102011006275A1 (de) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Stator einer Axialverdichterstufe einer Turbomaschine
DE102011006273A1 (de) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Rotor einer Axialverdichterstufe einer Turbomaschine
DE102011007767A1 (de) 2011-04-20 2012-10-25 Rolls-Royce Deutschland Ltd & Co Kg Strömungsmaschine
US10036261B2 (en) * 2012-04-30 2018-07-31 United Technologies Corporation Blade dovetail bottom
US9033669B2 (en) * 2012-06-15 2015-05-19 General Electric Company Rotating airfoil component with platform having a recessed surface region therein
US10119400B2 (en) * 2012-09-28 2018-11-06 United Technologies Corporation High pressure rotor disk
US9328619B2 (en) 2012-10-29 2016-05-03 General Electric Company Blade having a hollow part span shroud
US10215032B2 (en) 2012-10-29 2019-02-26 General Electric Company Blade having a hollow part span shroud
US9739158B2 (en) * 2013-03-10 2017-08-22 Rolls-Royce Corporation Attachment feature of a gas turbine engine blade having a curved profile
EP3022398A4 (en) * 2013-07-15 2017-03-01 United Technologies Corporation Turbine clearance control utilizing low alpha material
FR3042825B1 (fr) * 2015-10-27 2019-09-06 Safran Aircraft Engines Aube et disque de soufflante
US10605260B2 (en) * 2016-09-09 2020-03-31 United Technologies Corporation Full-span forward swept airfoils for gas turbine engines
US10895160B1 (en) * 2017-04-07 2021-01-19 Glenn B. Sinclair Stress relief via unblended edge radii in blade attachments in gas turbines
US10584600B2 (en) 2017-06-14 2020-03-10 General Electric Company Ceramic matrix composite (CMC) blade and method of making a CMC blade
KR102013256B1 (ko) * 2017-11-23 2019-10-21 두산중공업 주식회사 스팀터빈
US11231043B2 (en) 2018-02-21 2022-01-25 General Electric Company Gas turbine engine with ultra high pressure compressor
US10823191B2 (en) 2018-03-15 2020-11-03 General Electric Company Gas turbine engine arrangement with ultra high pressure compressor
FR3085992B1 (fr) * 2018-09-14 2020-12-11 Safran Aircraft Engines Aube de roue mobile de turbine comportant un pied de forme curviligne
CN110360475A (zh) * 2019-08-09 2019-10-22 佛山市清源科技有限公司 具有静音大风量风道结构的照明装置
US11834964B2 (en) 2021-11-24 2023-12-05 General Electric Company Low radius ratio fan blade for a gas turbine engine

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1793468A (en) * 1929-05-28 1931-02-24 Westinghouse Electric & Mfg Co Turbine blade
US2415847A (en) * 1943-05-08 1947-02-18 Westinghouse Electric Corp Compressor apparatus
DE838191C (de) * 1946-06-07 1952-03-27 Gebrüder Sulzer Aktiengesellschaft, Winterthur (Schweiz) Schaufelung für axiale Turbomaschinen und Verfahren zur Herstellung derselben
GB778667A (en) * 1954-03-29 1957-07-10 Rolls Royce Improvements in or relating to compressor blade root fixings
GB798613A (en) * 1955-05-06 1958-07-23 Ite Circuit Breaker Ltd Improvements in or relating to the securing of an element such as turbine blade to abody such as a rotor
US3112914A (en) * 1960-08-01 1963-12-03 Gen Motors Corp Turbine rotor
BE755608A (fr) * 1969-09-04 1971-02-15 Gen Electric Aubes de compresseurs
GB1419381A (en) * 1972-03-09 1975-12-31 Rolls Royce Fan for gas turbine engines
US3986793A (en) * 1974-10-29 1976-10-19 Westinghouse Electric Corporation Turbine rotating blade
US4169694A (en) * 1977-07-20 1979-10-02 Electric Power Research Institute, Inc. Ceramic rotor blade having root with double curvature
GB2008203A (en) * 1977-11-16 1979-05-31 Rolls Royce Rotor Blade Fixing
US4621979A (en) * 1979-11-30 1986-11-11 United Technologies Corporation Fan rotor blades of turbofan engines
US4363602A (en) * 1980-02-27 1982-12-14 General Electric Company Composite air foil and disc assembly
US4460315A (en) * 1981-06-29 1984-07-17 General Electric Company Turbomachine rotor assembly
JPS59108805A (ja) * 1982-12-15 1984-06-23 Toshiba Corp タ−ビン動翼の固定装置
US4595340A (en) * 1984-07-30 1986-06-17 General Electric Company Gas turbine bladed disk assembly
US4767274A (en) * 1986-12-29 1988-08-30 United Technologies Corporation Multiple lug blade to disk attachment

Also Published As

Publication number Publication date
ITMI910831A0 (it) 1991-03-28
CA2034478A1 (en) 1991-09-30
GB9106275D0 (en) 1991-05-08
FR2660361B1 (fr) 1993-03-26
JPH04224203A (ja) 1992-08-13
GB2243413B (en) 1993-12-22
FR2660361A1 (fr) 1991-10-04
ITMI910831A1 (it) 1992-09-28
GB2243413A (en) 1991-10-30
US5067876A (en) 1991-11-26
DE4108930A1 (de) 1991-10-02

Similar Documents

Publication Publication Date Title
IT1245264B (it) Disco palettato di turbina a gas
SE8503614D0 (sv) Gas turbine bladed disk assembly
SE8904237L (sv) Bultloes balansvikt till turbinrotorer
US3556675A (en) Turbomachinery rotor with integral shroud
CA2130628A1 (en) Steam turbine blade
GB1500575A (en) Turbomachine with balancing means
DE60328443D1 (de) Integral beschaufelter Rotor
DE3876768D1 (de) Axial durchstroemtes laufschaufelgitter fuer verdichter oder turbinen.
GB1500044A (en) Turbomachinery discs
ES2007138A6 (es) Una disposicion de soporte para los alabes de una turbina de vapor.
ES2028548A6 (es) Un alabe para una turbina de vapor.
ATE137839T1 (de) Aktionsturbinen
GB723813A (en) Improvements in or relating to bladed rotors for compressors, turbines and like fluid flow machines
DE502004010568D1 (de) Abtriebskonfiguration für Windenergieanlagen
ES2031300T3 (es) Turbosoplante radial.
GB696815A (en) Improvements relating to bladed rotors for rotary power conversion machines
CA2017263A1 (en) Turbine stator for a turbojet, and method of manufacture
GB902064A (en) Blade damping means for compressors and turbines
US3383093A (en) Hollow turbomachinery blades
EP0971096A3 (en) Attaching a rotor blade to a rotor
GB848465A (en) Rotors of multi-stage axial flow compressors or turbines
GB1514096A (en) Axial flow rotor or stator assembly
GB586836A (en) Elastic fluid pumps and turbines
GB590141A (en) Improvements in and relating to variable pitch fans, axial flow compressors and the like
GB778667A (en) Improvements in or relating to compressor blade root fixings

Legal Events

Date Code Title Description
0001 Granted