EP2885521A4 - Rotor keyhole fillet for a gas turbine engine - Google Patents

Rotor keyhole fillet for a gas turbine engine

Info

Publication number
EP2885521A4
EP2885521A4 EP13829735.3A EP13829735A EP2885521A4 EP 2885521 A4 EP2885521 A4 EP 2885521A4 EP 13829735 A EP13829735 A EP 13829735A EP 2885521 A4 EP2885521 A4 EP 2885521A4
Authority
EP
European Patent Office
Prior art keywords
fillet
gas turbine
turbine engine
keyhole
rotor
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.)
Withdrawn
Application number
EP13829735.3A
Other languages
German (de)
French (fr)
Other versions
EP2885521A1 (en
Inventor
Kevin L Corcoran
Jody M Grosso
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.)
RTX 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
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP2885521A1 publication Critical patent/EP2885521A1/en
Publication of EP2885521A4 publication Critical patent/EP2885521A4/en
Withdrawn legal-status Critical Current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
    • 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
    • F01D5/025—Fixing blade carrying members on shafts
    • 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
    • F01D5/026—Shaft to 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
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • F01D5/066—Connecting means for joining rotor-discs or rotor-elements together, e.g. by a central bolt, by clamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/37—Retaining components in desired mutual position by a press fit connection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
    • Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member

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)
EP13829735.3A 2012-08-14 2013-07-16 Rotor keyhole fillet for a gas turbine engine Withdrawn EP2885521A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/584,890 US20140064976A1 (en) 2012-08-14 2012-08-14 Rotor keyhole fillet for a gas turbine engine
PCT/US2013/050686 WO2014028157A1 (en) 2012-08-14 2013-07-16 Rotor keyhole fillet for a gas turbine engine

Publications (2)

Publication Number Publication Date
EP2885521A1 EP2885521A1 (en) 2015-06-24
EP2885521A4 true EP2885521A4 (en) 2015-08-19

Family

ID=50101391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13829735.3A Withdrawn EP2885521A4 (en) 2012-08-14 2013-07-16 Rotor keyhole fillet for a gas turbine engine

Country Status (3)

Country Link
US (1) US20140064976A1 (en)
EP (1) EP2885521A4 (en)
WO (1) WO2014028157A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10125785B2 (en) * 2015-10-16 2018-11-13 Pratt & Whitney Reduced stress rotor interface

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080223099A1 (en) * 2004-01-15 2008-09-18 Siemens Aktiengesellschaft Component With Compressive Residual Stresses, Process For Producing And Apparatus For Generating Compressive Residual Stresses
WO2010112509A2 (en) * 2009-04-01 2010-10-07 Siemens Aktiengesellschaft Rotor for a turbomachine
EP2339118A2 (en) * 2009-12-22 2011-06-29 United Technologies Corporation Retaining member for use with gas turbine engine shaft and method of assembly
EP2412924A2 (en) * 2010-07-28 2012-02-01 United Technologies Corporation A disk spacer for a gas engine turbine and a method for providing a rotor assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3589697A (en) * 1969-11-05 1971-06-29 Caterpillar Tractor Co Die-quenched crankshaft
US3915521A (en) * 1974-09-30 1975-10-28 United Technologies Corp Lubricated radial bearing assembly
US4824327A (en) * 1987-12-15 1989-04-25 United Technologies Corporation Gas turbine engine oil drain slot
DE19728345A1 (en) * 1997-07-03 1999-01-07 Asea Brown Boveri Non-positive and positive connection of rotating components
US6375421B1 (en) * 2000-01-31 2002-04-23 General Electric Company Piggyback rotor blisk
US6634863B1 (en) * 2000-11-27 2003-10-21 General Electric Company Circular arc multi-bore fan disk assembly
ITMI20011961A1 (en) * 2001-09-20 2003-03-20 Nuovo Pignone Spa IMPROVED COUPLING FLANGE BETWEEN AXIAL COMPRESSOR AND GROUP OF HIGH PRESSURE ROTOR DISCS IN A GAS TURBINE
US8287242B2 (en) * 2008-11-17 2012-10-16 United Technologies Corporation Turbine engine rotor hub
US8734112B2 (en) * 2010-11-30 2014-05-27 United Technologies Corporation Asymmetrical rotor blade slot attachment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080223099A1 (en) * 2004-01-15 2008-09-18 Siemens Aktiengesellschaft Component With Compressive Residual Stresses, Process For Producing And Apparatus For Generating Compressive Residual Stresses
WO2010112509A2 (en) * 2009-04-01 2010-10-07 Siemens Aktiengesellschaft Rotor for a turbomachine
EP2339118A2 (en) * 2009-12-22 2011-06-29 United Technologies Corporation Retaining member for use with gas turbine engine shaft and method of assembly
EP2412924A2 (en) * 2010-07-28 2012-02-01 United Technologies Corporation A disk spacer for a gas engine turbine and a method for providing a rotor assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014028157A1 *

Also Published As

Publication number Publication date
EP2885521A1 (en) 2015-06-24
WO2014028157A1 (en) 2014-02-20
US20140064976A1 (en) 2014-03-06

Similar Documents

Publication Publication Date Title
GB201217332D0 (en) A gas turbine engine
BR112014016305A2 (en) gas turbine engine
BR112014016277A8 (en) gas turbine engine
BR112014007288A2 (en) gas turbine engine
EP2900977A4 (en) Gas turbine engine combustor
BR112014016303A8 (en) gas turbine engine
BR112014007878A2 (en) gas turbine engine
BR112014016273A2 (en) gas turbine engine
GB201020143D0 (en) A gas turbine engine blade containment arrangement
BR112014016281A8 (en) gas turbine engine
BR112014016300A2 (en) gas turbine engine
GB201308602D0 (en) A Shroud Arrangement for a Gas Turbine Engine
SG11201405209RA (en) Hybrid airfoil for a gas turbine engine
GB201308605D0 (en) A shroud arrangement for a gas turbine engine
EP2817490A4 (en) Vane assembly for a gas turbine engine
EP2867472A4 (en) Gas turbine engine turbine vane platform core
EP2844880A4 (en) Supporting structure for a gas turbine engine
GB201308603D0 (en) A Shroud Arrangement for a Gas Turbine Engine
GB2493953B (en) A gas turbine engine access door
EP2880278A4 (en) Anti-rotation lug for a gas turbine engine stator assembly
GB201220378D0 (en) A gas turbine engine exhaust nozzle
GB201308604D0 (en) A shroud arrangement for a gas turbine engine
GB201104043D0 (en) A gas turbine engine
GB201315078D0 (en) Blade or vane arrangement for a gas turbine engine
EP2713013A4 (en) Gas turbine engine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20150312

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150722

RIC1 Information provided on ipc code assigned before grant

Ipc: F02C 7/00 20060101AFI20150716BHEP

Ipc: F01D 5/02 20060101ALI20150716BHEP

Ipc: F01D 5/06 20060101ALI20150716BHEP

Ipc: F02C 7/32 20060101ALI20150716BHEP

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20160218