GB1331711A - Turbomachine rotor blade retaining means - Google Patents

Turbomachine rotor blade retaining means

Info

Publication number
GB1331711A
GB1331711A GB2075271A GB2075271A GB1331711A GB 1331711 A GB1331711 A GB 1331711A GB 2075271 A GB2075271 A GB 2075271A GB 2075271 A GB2075271 A GB 2075271A GB 1331711 A GB1331711 A GB 1331711A
Authority
GB
United Kingdom
Prior art keywords
groove
recess
roots
projection
base
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
GB2075271A
Other languages
English (en)
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 GB1331711A publication Critical patent/GB1331711A/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
    • 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

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)
GB2075271A 1970-02-02 1971-04-19 Turbomachine rotor blade retaining means Expired GB1331711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US757970A 1970-02-02 1970-02-02

Publications (1)

Publication Number Publication Date
GB1331711A true GB1331711A (en) 1973-09-26

Family

ID=21726999

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2075271A Expired GB1331711A (en) 1970-02-02 1971-04-19 Turbomachine rotor blade retaining means

Country Status (5)

Country Link
US (1) US3597112A (enExample)
BE (1) BE762044A (enExample)
DE (1) DE2104511A1 (enExample)
FR (1) FR2078097A5 (enExample)
GB (1) GB1331711A (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902824A (en) * 1974-07-29 1975-09-02 Gen Motors Corp Blade lock
CA1114301A (en) * 1979-06-27 1981-12-15 Ivor J. Roberts Locking device for blade mounting
GB2112465B (en) * 1981-12-30 1985-04-11 Rolls Royce Turbomachine rotor
FR2616480B1 (fr) * 1987-06-10 1989-09-29 Snecma Dispositif de verrouillage d'aubes a pied marteau sur un disque de turbomachine et procedes de montage et de demontage
GB2258273B (en) * 1991-08-02 1994-08-10 Ruston Gas Turbines Ltd Rotor blade locking arrangement
FR2758364B1 (fr) * 1997-01-16 1999-02-12 Snecma Disque aubage a aubes tripodes
DE19963346A1 (de) * 1999-12-27 2001-07-05 Abb Alstom Power Ch Ag Schaufelanordnung einer Strömungsmaschine und Verfahren zur Montage
US6739837B2 (en) 2002-04-16 2004-05-25 United Technologies Corporation Bladed rotor with a tiered blade to hub interface
GB0216951D0 (en) * 2002-07-20 2002-08-28 Rolls Royce Plc A fan blade assembly
US6837686B2 (en) * 2002-09-27 2005-01-04 Pratt & Whitney Canada Corp. Blade retention scheme using a retention tab
DE10351092B4 (de) * 2003-10-31 2013-11-21 MTU Aero Engines AG Turbomaschine und beschaufelter Rotor für eine Verdichterstufe einer Turbomaschine
FR2997722B1 (fr) * 2012-11-06 2015-01-23 Snecma Dispositif de blocage circonferentiel d'aubes marteau pour turbomachine, comprenant une piece d'actionnement de forme filaire
FR3159192A1 (fr) * 2024-02-08 2025-08-15 Safran Aircraft Engines Cale pour aube mobile de turbomachine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1085643B (de) * 1959-04-13 1960-07-21 Ehrhardt & Sehmer Ag Maschf Laufschaufelbefestigung bei Axialstroemungsmaschinen
GB903176A (en) * 1960-01-18 1962-08-15 Rolls Royce Method of mounting a multi-blade set on a support member, for example to form a gas turbine compressor rotor
US3252687A (en) * 1965-02-01 1966-05-24 Gen Motors Corp Rotor blade locking
US3383094A (en) * 1967-01-19 1968-05-14 Gen Electric Rotor blade locking means

Also Published As

Publication number Publication date
DE2104511A1 (de) 1971-08-12
FR2078097A5 (enExample) 1971-11-05
US3597112A (en) 1971-08-03
BE762044A (fr) 1971-07-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees