FR2092118A1 - - Google Patents

Info

Publication number
FR2092118A1
FR2092118A1 FR7115648A FR7115648A FR2092118A1 FR 2092118 A1 FR2092118 A1 FR 2092118A1 FR 7115648 A FR7115648 A FR 7115648A FR 7115648 A FR7115648 A FR 7115648A FR 2092118 A1 FR2092118 A1 FR 2092118A1
Authority
FR
France
Prior art keywords
rotor
disclosed
relatively thin
structural portion
web means
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
FR7115648A
Other languages
English (en)
French (fr)
Other versions
FR2092118B1 (enrdf_load_stackoverflow
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 FR2092118A1 publication Critical patent/FR2092118A1/fr
Application granted granted Critical
Publication of FR2092118B1 publication Critical patent/FR2092118B1/fr
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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
FR7115648A 1970-04-30 1971-04-30 Expired FR2092118B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3322070A 1970-04-30 1970-04-30

Publications (2)

Publication Number Publication Date
FR2092118A1 true FR2092118A1 (enrdf_load_stackoverflow) 1972-01-21
FR2092118B1 FR2092118B1 (enrdf_load_stackoverflow) 1974-10-11

Family

ID=21869177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7115648A Expired FR2092118B1 (enrdf_load_stackoverflow) 1970-04-30 1971-04-30

Country Status (6)

Country Link
US (1) US3661475A (enrdf_load_stackoverflow)
BE (1) BE766401A (enrdf_load_stackoverflow)
CA (1) CA943467A (enrdf_load_stackoverflow)
DE (1) DE2120470A1 (enrdf_load_stackoverflow)
FR (1) FR2092118B1 (enrdf_load_stackoverflow)
GB (1) GB1340937A (enrdf_load_stackoverflow)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791162A (fr) * 1971-11-10 1973-03-01 Penny Robert N Rotor de turbine
US4310286A (en) * 1979-05-17 1982-01-12 United Technologies Corporation Rotor assembly having a multistage disk
US4536129A (en) * 1984-06-15 1985-08-20 United Technologies Corporation Turbine blade with disk rim shield
US4595340A (en) * 1984-07-30 1986-06-17 General Electric Company Gas turbine bladed disk assembly
FR2679296B1 (fr) * 1991-07-17 1993-10-15 Snecma Plate-forme separee inter-aube pour disque ailete de rotor de turbomachine.
US5271718A (en) * 1992-08-11 1993-12-21 General Electric Company Lightweight platform blade
FR2697051B1 (fr) * 1992-10-21 1994-12-02 Snecma Rotor de turbomachine comprenant un disque dont le pourtour est occupé par des alvéoles obliques qui alternent avec des dents de section transversale variable.
US5310318A (en) * 1993-07-21 1994-05-10 General Electric Company Asymmetric axial dovetail and rotor disk
GB9405473D0 (en) * 1994-03-19 1994-05-04 Rolls Royce Plc A gas turbine engine fan blade assembly
US6511294B1 (en) 1999-09-23 2003-01-28 General Electric Company Reduced-stress compressor blisk flowpath
US6524070B1 (en) 2000-08-21 2003-02-25 General Electric Company Method and apparatus for reducing rotor assembly circumferential rim stress
US6471474B1 (en) 2000-10-20 2002-10-29 General Electric Company Method and apparatus for reducing rotor assembly circumferential rim stress
JP2003120209A (ja) * 2001-10-10 2003-04-23 Mitsubishi Heavy Ind Ltd スピンドルボルトのシール構造およびガスタービン
US6764282B2 (en) * 2001-11-14 2004-07-20 United Technologies Corporation Blade for turbine engine
FR2868814B1 (fr) * 2004-04-09 2009-12-18 Snecma Moteurs Dispositif d'assemblage de brides annulaires, en particulier dans une turbomachine
US7179049B2 (en) * 2004-12-10 2007-02-20 Pratt & Whitney Canada Corp. Gas turbine gas path contour
US7360437B2 (en) * 2005-06-28 2008-04-22 General Electric Company Devices for evaluating material properties, and related processes
US20140174098A1 (en) * 2012-12-20 2014-06-26 United Technologies Corporation Turbine disc with reduced neck stress concentration

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383095A (en) * 1967-09-12 1968-05-14 Gen Electric Lock for turbomachinery blades
FR2029651A1 (enrdf_load_stackoverflow) * 1969-01-29 1970-10-23 Gen Electric

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA590294A (en) * 1960-01-05 Rolls-Royce Limited Axial-flow compressors and turbines
US2452782A (en) * 1945-01-16 1948-11-02 Power Jets Res & Dev Ltd Construction of rotors for compressors and like machines
US3291446A (en) * 1965-04-13 1966-12-13 Chrysler Corp Turbine wheel
GB1093568A (en) * 1965-11-23 1967-12-06 Rolls Royce Improvements in or relating to bladed rotors such as compressor rotors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383095A (en) * 1967-09-12 1968-05-14 Gen Electric Lock for turbomachinery blades
FR2029651A1 (enrdf_load_stackoverflow) * 1969-01-29 1970-10-23 Gen Electric

Also Published As

Publication number Publication date
GB1340937A (en) 1973-12-19
BE766401A (fr) 1971-09-16
CA943467A (en) 1974-03-12
US3661475A (en) 1972-05-09
DE2120470A1 (de) 1971-11-11
FR2092118B1 (enrdf_load_stackoverflow) 1974-10-11

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Legal Events

Date Code Title Description
ST Notification of lapse