EP2378080A3 - Locking spacer assembly for circumferential attachment of rotor blades - Google Patents

Locking spacer assembly for circumferential attachment of rotor blades Download PDF

Info

Publication number
EP2378080A3
EP2378080A3 EP11162650.3A EP11162650A EP2378080A3 EP 2378080 A3 EP2378080 A3 EP 2378080A3 EP 11162650 A EP11162650 A EP 11162650A EP 2378080 A3 EP2378080 A3 EP 2378080A3
Authority
EP
European Patent Office
Prior art keywords
spacer assembly
locking spacer
rotor blades
end portion
circumferential attachment
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Withdrawn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
EP11162650.3A
Other languages
German (de)
French (fr)
Other versions
EP2378080A2 (en
Inventor
Brian Denver Potter
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 EP2378080A2 publication Critical patent/EP2378080A2/en
Publication of EP2378080A3 publication Critical patent/EP2378080A3/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Withdrawn legal-status Critical Current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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides
    • 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
    • F01D5/32—Locking, e.g. by final locking blades or keys

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 locking spacer assembly (218) for use with a rotor blade assembly (200) is provided. The locking spacer assembly including a first end portion (40), a second end portion (404), at least one securing device (422,424), and a center portion (406) positioned between the first end portion (402) and the second end portion (404) such that an opening (418,420) is defined between the center portion and at least one of the first end portion and the second end portion, the opening is sized to receive the securing device therein.
EP11162650.3A 2010-04-16 2011-04-15 Locking spacer assembly for circumferential attachment of rotor blades Withdrawn EP2378080A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/761,749 US20110255978A1 (en) 2010-04-16 2010-04-16 Locking Assembly For Circumferential Attachments

Publications (2)

Publication Number Publication Date
EP2378080A2 EP2378080A2 (en) 2011-10-19
EP2378080A3 true EP2378080A3 (en) 2013-12-18

Family

ID=44080305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11162650.3A Withdrawn EP2378080A3 (en) 2010-04-16 2011-04-15 Locking spacer assembly for circumferential attachment of rotor blades

Country Status (4)

Country Link
US (1) US20110255978A1 (en)
EP (1) EP2378080A3 (en)
JP (1) JP2011226475A (en)
CN (1) CN102220885A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9212563B2 (en) * 2012-06-06 2015-12-15 General Electric Company Turbine rotor and blade assembly with multi-piece locking blade
US9726026B2 (en) * 2012-06-06 2017-08-08 General Electric Company Turbine rotor and blade assembly with multi-piece locking blade
CN103362565B (en) * 2013-07-04 2015-01-21 西安交通大学 Step-shaped blade root structure of turbine blade as well as blade root and blade separation block matching structure
US9416670B2 (en) * 2013-10-16 2016-08-16 General Electric Company Locking spacer assembly
US9512732B2 (en) * 2013-10-16 2016-12-06 General Electric Company Locking spacer assembly inserted between rotor blades
US9518471B2 (en) * 2013-10-16 2016-12-13 General Electric Company Locking spacer assembly
KR101884712B1 (en) * 2016-12-21 2018-08-03 두산중공업 주식회사 Locking spacer for rotor blade
KR101920070B1 (en) * 2016-12-23 2018-11-19 두산중공업 주식회사 Locking spacer for rotor blade
US10800128B2 (en) * 2018-01-24 2020-10-13 General Electric Company Composite components having T or L-joints and methods for forming same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090016889A1 (en) * 2006-01-02 2009-01-15 Joachim Krutzfeldt Locking Sub-Assembly for Closing The Remaining Gap Between The First and The Last blade of a Blade Ring Which Are Inserted in a Circumferential Groove of a Turbomachine, and Corresponding Turbomachine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721506A (en) * 1971-05-25 1973-03-20 Gen Electric Split-nut blade locking assembly
EP1028231B1 (en) * 1999-02-12 2003-09-03 ALSTOM (Switzerland) Ltd Fastening of turbomachine rotor blades
DE10134611A1 (en) * 2000-12-16 2002-06-27 Alstom Switzerland Ltd Fixing device for a blade mounting of a compressor or turbine stage of a gas turbine system comprises a blade having a counter-contour corresponding to a connecting element of a wedge element to produce a form-locking connection
DE10310432A1 (en) * 2003-03-11 2004-09-23 Alstom Technology Ltd Rotor end
DE10310431A1 (en) * 2003-03-11 2004-09-23 Alstom Technology Ltd Rotor end
CN2620090Y (en) * 2003-05-30 2004-06-09 上海汽轮机有限公司 Circumferential tensioning device of steam turbine rotor reaction type T-shaped blade root final moving blade
US6929453B2 (en) * 2003-12-11 2005-08-16 Siemens Westinghouse Power Corporation Locking spacer assembly for slotted turbine component
DE102004011508A1 (en) * 2004-03-08 2005-09-29 Alstom Technology Ltd Rotor end
US7435055B2 (en) * 2005-03-29 2008-10-14 Siemens Power Generation, Inc. Locking spacer assembly for a turbine engine
EP1803899A1 (en) * 2006-01-02 2007-07-04 Siemens Aktiengesellschaft Blade locking assembly for a turbomachine
EP1978211A1 (en) * 2007-04-04 2008-10-08 Siemens Aktiengesellschaft Assembly for axial protection on rotor blades in a rotor and gas turbine with such an assembly
US8425194B2 (en) * 2007-07-19 2013-04-23 General Electric Company Clamped plate seal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090016889A1 (en) * 2006-01-02 2009-01-15 Joachim Krutzfeldt Locking Sub-Assembly for Closing The Remaining Gap Between The First and The Last blade of a Blade Ring Which Are Inserted in a Circumferential Groove of a Turbomachine, and Corresponding Turbomachine

Also Published As

Publication number Publication date
CN102220885A (en) 2011-10-19
JP2011226475A (en) 2011-11-10
EP2378080A2 (en) 2011-10-19
US20110255978A1 (en) 2011-10-20

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