EP2586969A3 - Spoked Rotor for a Gas Turbine Engine - Google Patents

Spoked Rotor for a Gas Turbine Engine Download PDF

Info

Publication number
EP2586969A3
EP2586969A3 EP12190261.3A EP12190261A EP2586969A3 EP 2586969 A3 EP2586969 A3 EP 2586969A3 EP 12190261 A EP12190261 A EP 12190261A EP 2586969 A3 EP2586969 A3 EP 2586969A3
Authority
EP
European Patent Office
Prior art keywords
gas turbine
turbine engine
rotor
spoked rotor
spoked
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.)
Granted
Application number
EP12190261.3A
Other languages
German (de)
French (fr)
Other versions
EP2586969A2 (en
EP2586969B1 (en
Inventor
Gabriel L. Suciu
Stephen P. Muron
Ioannis Alvanos
Christopher M. Dye
Brian D. Merry
Arthur M. Salve
James W. Norris
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies 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
Priority claimed from US13/283,689 external-priority patent/US9938831B2/en
Priority claimed from US13/283,733 external-priority patent/US8944762B2/en
Priority claimed from US13/283,710 external-priority patent/US8784062B2/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP2586969A2 publication Critical patent/EP2586969A2/en
Publication of EP2586969A3 publication Critical patent/EP2586969A3/en
Application granted granted Critical
Publication of EP2586969B1 publication Critical patent/EP2586969B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/084—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades the fluid circulating at the periphery of a multistage rotor, e.g. of drum type
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • 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
    • F01D5/3061—Fixing blades to rotors; Blade roots ; Blade spacers by welding, brazing

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

A rotor (60C) for a gas turbine engine includes a plurality of blades (64) which extend from a rotor disk (66), each of the plurality of blades (64) extends from the rotor disk (66) at an interface (801), the interface (801) defined along a spoke (80).
EP12190261.3A 2011-10-28 2012-10-26 Spoked Rotor for a Gas Turbine Engine Active EP2586969B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/283,689 US9938831B2 (en) 2011-10-28 2011-10-28 Spoked rotor for a gas turbine engine
US13/283,733 US8944762B2 (en) 2011-10-28 2011-10-28 Spoked spacer for a gas turbine engine
US13/283,710 US8784062B2 (en) 2011-10-28 2011-10-28 Asymmetrically slotted rotor for a gas turbine engine

Publications (3)

Publication Number Publication Date
EP2586969A2 EP2586969A2 (en) 2013-05-01
EP2586969A3 true EP2586969A3 (en) 2017-05-03
EP2586969B1 EP2586969B1 (en) 2020-03-25

Family

ID=47148609

Family Applications (3)

Application Number Title Priority Date Filing Date
EP12190261.3A Active EP2586969B1 (en) 2011-10-28 2012-10-26 Spoked Rotor for a Gas Turbine Engine
EP12190276.1A Active EP2586971B1 (en) 2011-10-28 2012-10-26 A spacer, a rotor, a spool and a method of orienting a rotor stack load path
EP12190264.7A Active EP2586970B1 (en) 2011-10-28 2012-10-26 Spoked spacer for a gas turbine engine

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP12190276.1A Active EP2586971B1 (en) 2011-10-28 2012-10-26 A spacer, a rotor, a spool and a method of orienting a rotor stack load path
EP12190264.7A Active EP2586970B1 (en) 2011-10-28 2012-10-26 Spoked spacer for a gas turbine engine

Country Status (1)

Country Link
EP (3) EP2586969B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015041775A1 (en) 2013-09-17 2015-03-26 United Technologies Corporation Turbine blades and manufacture methods
US10006364B2 (en) 2014-08-20 2018-06-26 United Technologies Corporation Gas turbine rotors
US10837288B2 (en) 2014-09-17 2020-11-17 Raytheon Technologies Corporation Secondary flowpath system for a gas turbine engine
US9664058B2 (en) * 2014-12-31 2017-05-30 General Electric Company Flowpath boundary and rotor assemblies in gas turbines
EP3438410B1 (en) 2017-08-01 2021-09-29 General Electric Company Sealing system for a rotary machine

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE675222C (en) * 1937-02-09 1939-05-03 Rheinmetall Borsig Akt Ges Turbine impeller and process for its manufacture
US2656147A (en) * 1946-10-09 1953-10-20 English Electric Co Ltd Cooling of gas turbine rotors
GB802871A (en) * 1954-09-10 1958-10-15 Henschel & Sohn Gmbh Improvements in turbine rotors for gas or steam turbines
DE1946826A1 (en) * 1968-09-17 1970-04-09 Rolls Royce Bladed rotor for flow machines
US4483054A (en) * 1982-11-12 1984-11-20 United Technologies Corporation Method for making a drum rotor
US4784572A (en) * 1987-10-14 1988-11-15 United Technologies Corporation Circumferentially bonded rotor
US20030223873A1 (en) * 2002-05-30 2003-12-04 Carrier Charles William Inertia welding of blades to rotors
DE10340823A1 (en) * 2003-09-04 2005-03-31 Rolls-Royce Deutschland Ltd & Co Kg Blade for compactor or turbine disc is connected to blade foot which in relation to rotary axis of disc is radially extended with joining surface at radially inner side to connect with disc
DE102007050142A1 (en) * 2007-10-19 2009-04-23 Mtu Aero Engines Gmbh Method of making a blisk or bling, component and turbine blade made therewith
DE102008057160A1 (en) * 2008-11-13 2010-05-20 Mtu Aero Engines Gmbh A method of replacing an inner disk member of an integrally bladed disk
DE102009011965A1 (en) * 2009-03-05 2010-09-09 Mtu Aero Engines Gmbh Integrally bladed rotor for a turbomachine
US20100329849A1 (en) * 2009-06-30 2010-12-30 Hitachi, Ltd. Turbine rotor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2369051A (en) * 1942-07-10 1945-02-06 Sulzer Ag Welded turbine rotor
DE913836C (en) * 1945-04-10 1954-06-21 Maschf Augsburg Nuernberg Ag Internally cooled hollow drum rotor for gas turbines
BE469282A (en) * 1945-11-20
CH257836A (en) * 1947-08-07 1948-10-31 Sulzer Ag Rotors for centrifugal machines, in particular for gas turbines.
DE2514208A1 (en) * 1975-04-01 1976-10-14 Kraftwerk Union Ag DISC DESIGN GAS TURBINE
DE19650260A1 (en) * 1996-12-04 1998-06-10 Asea Brown Boveri Rotor for turbomachinery
US8287242B2 (en) * 2008-11-17 2012-10-16 United Technologies Corporation Turbine engine rotor hub
US20110164982A1 (en) * 2010-01-06 2011-07-07 General Electric Company Apparatus and method for a low distortion weld for rotors

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE675222C (en) * 1937-02-09 1939-05-03 Rheinmetall Borsig Akt Ges Turbine impeller and process for its manufacture
US2656147A (en) * 1946-10-09 1953-10-20 English Electric Co Ltd Cooling of gas turbine rotors
GB802871A (en) * 1954-09-10 1958-10-15 Henschel & Sohn Gmbh Improvements in turbine rotors for gas or steam turbines
DE1946826A1 (en) * 1968-09-17 1970-04-09 Rolls Royce Bladed rotor for flow machines
US4483054A (en) * 1982-11-12 1984-11-20 United Technologies Corporation Method for making a drum rotor
US4784572A (en) * 1987-10-14 1988-11-15 United Technologies Corporation Circumferentially bonded rotor
US20030223873A1 (en) * 2002-05-30 2003-12-04 Carrier Charles William Inertia welding of blades to rotors
DE10340823A1 (en) * 2003-09-04 2005-03-31 Rolls-Royce Deutschland Ltd & Co Kg Blade for compactor or turbine disc is connected to blade foot which in relation to rotary axis of disc is radially extended with joining surface at radially inner side to connect with disc
DE102007050142A1 (en) * 2007-10-19 2009-04-23 Mtu Aero Engines Gmbh Method of making a blisk or bling, component and turbine blade made therewith
DE102008057160A1 (en) * 2008-11-13 2010-05-20 Mtu Aero Engines Gmbh A method of replacing an inner disk member of an integrally bladed disk
DE102009011965A1 (en) * 2009-03-05 2010-09-09 Mtu Aero Engines Gmbh Integrally bladed rotor for a turbomachine
US20100329849A1 (en) * 2009-06-30 2010-12-30 Hitachi, Ltd. Turbine rotor

Also Published As

Publication number Publication date
EP2586971B1 (en) 2019-06-12
EP2586970B1 (en) 2019-04-24
EP2586969A2 (en) 2013-05-01
EP2586971A3 (en) 2017-05-24
EP2586969B1 (en) 2020-03-25
EP2586971A2 (en) 2013-05-01
EP2586970A3 (en) 2017-05-24
EP2586970A2 (en) 2013-05-01

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