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CA1037870A - Bucket locking mechanism - Google Patents

Bucket locking mechanism

Info

Publication number
CA1037870A
CA1037870A CA240,210A CA240210A CA1037870A CA 1037870 A CA1037870 A CA 1037870A CA 240210 A CA240210 A CA 240210A CA 1037870 A CA1037870 A CA 1037870A
Authority
CA
Canada
Prior art keywords
slot
disc
block
blade
platform
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.)
Expired
Application number
CA240,210A
Other languages
English (en)
French (fr)
Inventor
Kenneth P. Zeman
Robert A. Cardin
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
Application granted granted Critical
Publication of CA1037870A publication Critical patent/CA1037870A/en
Expired 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
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/326—Locking of axial insertion type blades by other means
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Fire-Extinguishing Compositions (AREA)
CA240,210A 1974-11-27 1975-11-20 Bucket locking mechanism Expired CA1037870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US527586A US3904317A (en) 1974-11-27 1974-11-27 Bucket locking mechanism

Publications (1)

Publication Number Publication Date
CA1037870A true CA1037870A (en) 1978-09-05

Family

ID=24102083

Family Applications (1)

Application Number Title Priority Date Filing Date
CA240,210A Expired CA1037870A (en) 1974-11-27 1975-11-20 Bucket locking mechanism

Country Status (9)

Country Link
US (1) US3904317A (no)
JP (1) JPS5848729B2 (no)
CA (1) CA1037870A (no)
DE (1) DE2516061C2 (no)
FR (1) FR2292856A1 (no)
GB (1) GB1499379A (no)
IT (1) IT1037743B (no)
NL (1) NL7504670A (no)
NO (1) NO147427C (no)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH581783A5 (no) * 1975-01-30 1976-11-15 Bbc Sulzer Turbomaschinen
US4135857A (en) * 1977-06-09 1979-01-23 United Technologies Corporation Reduced drag airfoil platforms
JPS5482505A (en) * 1977-12-14 1979-06-30 Hitachi Ltd Steam turbine
US4400137A (en) * 1980-12-29 1983-08-23 Elliott Turbomachinery Co., Inc. Rotor assembly and methods for securing a rotor blade therewithin and removing a rotor blade therefrom
US4451959A (en) * 1980-12-29 1984-06-05 Elliott Turbomachinery Company, Inc. Methods for securing a rotor blade within a rotor assembly and removing a rotor blade therefrom
US4676723A (en) * 1986-03-26 1987-06-30 Westinghouse Electric Corp. Locking system for a turbine side entry blade
US4820126A (en) * 1988-02-22 1989-04-11 Westinghouse Electric Corp. Turbomachine rotor assembly having reduced stress concentrations
US4915587A (en) * 1988-10-24 1990-04-10 Westinghouse Electric Corp. Apparatus for locking side entry blades into a rotor
US5242270A (en) * 1992-01-31 1993-09-07 Westinghouse Electric Corp. Platform motion restraints for freestanding turbine blades
GB9412963D0 (en) * 1994-06-28 1994-09-28 Rolls Royce Plc Gas turbine engine fan blade assembly
GB2299834B (en) * 1995-04-12 1999-09-08 Rolls Royce Plc Gas turbine engine rotary disc
US5720596A (en) * 1997-01-03 1998-02-24 Westinghouse Electric Corporation Apparatus and method for locking blades into a rotor
US20040115059A1 (en) * 2002-12-12 2004-06-17 Kehl Richard Eugene Cored steam turbine bucket
GB2397854A (en) * 2003-01-30 2004-08-04 Rolls Royce Plc Securing blades in a rotor assembly
GB2406144A (en) * 2003-09-19 2005-03-23 Rolls Royce Plc Gas turbine engine blade retention system using a key
DE102004054930A1 (de) * 2004-11-13 2006-05-18 Mtu Aero Engines Gmbh Rotor einer Turbomaschine, insbesondere Gasturbinenrotor
JP4886735B2 (ja) * 2008-05-26 2012-02-29 株式会社東芝 タービン動翼組立体および蒸気タービン
JP5149831B2 (ja) * 2009-02-12 2013-02-20 三菱重工コンプレッサ株式会社 タービン動翼の固定構造及びタービン
US8714929B2 (en) * 2010-11-10 2014-05-06 General Electric Company Turbine assembly and method for securing a closure bucket
US20130052024A1 (en) * 2011-08-24 2013-02-28 General Electric Company Turbine Nozzle Vane Retention System
US9051845B2 (en) * 2012-01-05 2015-06-09 General Electric Company System for axial retention of rotating segments of a turbine
CN106015086B (zh) * 2016-06-02 2018-11-09 东方电气集团东方汽轮机有限公司 一种压气机叶片在叶轮轮槽中的轴向锁定结构
FR3056630B1 (fr) * 2016-09-26 2018-12-07 Safran Aircraft Engines Disque aubage monobloc de soufflante pour turbomachine d'aeronef
CN113623270B (zh) * 2021-08-24 2024-04-16 中国联合重型燃气轮机技术有限公司 锁紧装置及含有该锁紧装置的压气机、燃气轮机
JP2023090250A (ja) * 2021-12-17 2023-06-29 三菱重工コンプレッサ株式会社 蒸気タービンのロータ、蒸気タービン、及び動翼の固定方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB725461A (en) * 1953-04-10 1955-03-02 Parsons C A & Co Ltd Improvements in and relating to the axial locking of rotor blades for turbines and the like
US2949278A (en) * 1956-07-05 1960-08-16 Gen Motors Corp Turbine blade retention
US3198485A (en) * 1963-09-26 1965-08-03 Gen Motors Corp Turbine blade lock

Also Published As

Publication number Publication date
DE2516061C2 (de) 1983-07-28
NO751348L (no) 1976-05-31
NL7504670A (nl) 1976-05-31
NO147427B (no) 1982-12-27
JPS5162204A (no) 1976-05-29
FR2292856A1 (fr) 1976-06-25
JPS5848729B2 (ja) 1983-10-31
IT1037743B (it) 1979-11-20
US3904317A (en) 1975-09-09
DE2516061A1 (de) 1976-08-12
GB1499379A (en) 1978-02-01
NO147427C (no) 1983-04-06
FR2292856B1 (no) 1980-01-25

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