JPS6215726B2 - - Google Patents

Info

Publication number
JPS6215726B2
JPS6215726B2 JP57109089A JP10908982A JPS6215726B2 JP S6215726 B2 JPS6215726 B2 JP S6215726B2 JP 57109089 A JP57109089 A JP 57109089A JP 10908982 A JP10908982 A JP 10908982A JP S6215726 B2 JPS6215726 B2 JP S6215726B2
Authority
JP
Japan
Prior art keywords
torsion bar
cam means
spline
slot
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
JP57109089A
Other languages
English (en)
Japanese (ja)
Other versions
JPS585406A (ja
Inventor
Fuoresuche Arekusandoru
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.)
NASHIONARU DECHUUDO E DO KONSUTORYUKUSHION DE MOTOORU DABIASHION SOC
Original Assignee
NASHIONARU DECHUUDO E DO KONSUTORYUKUSHION DE MOTOORU DABIASHION SOC
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 NASHIONARU DECHUUDO E DO KONSUTORYUKUSHION DE MOTOORU DABIASHION SOC filed Critical NASHIONARU DECHUUDO E DO KONSUTORYUKUSHION DE MOTOORU DABIASHION SOC
Publication of JPS585406A publication Critical patent/JPS585406A/ja
Publication of JPS6215726B2 publication Critical patent/JPS6215726B2/ja
Granted 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
    • F01D5/323—Locking of axial insertion type blades by means of a key or the like parallel to the axis of the 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
    • F01D5/12—Blades
    • F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP57109089A 1981-06-25 1982-06-24 送風機用羽根のクリアランス吸収装置 Granted JPS585406A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8112459A FR2508541B1 (fr) 1981-06-25 1981-06-25 Dispositif d'amortissement d'aubes de turbomachines, notamment de soufflantes
FR8112459 1981-06-25

Publications (2)

Publication Number Publication Date
JPS585406A JPS585406A (ja) 1983-01-12
JPS6215726B2 true JPS6215726B2 (en, 2012) 1987-04-09

Family

ID=9259854

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57109089A Granted JPS585406A (ja) 1981-06-25 1982-06-24 送風機用羽根のクリアランス吸収装置

Country Status (5)

Country Link
US (1) US4453891A (en, 2012)
EP (1) EP0069620B1 (en, 2012)
JP (1) JPS585406A (en, 2012)
DE (1) DE3262317D1 (en, 2012)
FR (1) FR2508541B1 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63133031U (en, 2012) * 1987-02-23 1988-08-31

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626169A (en) * 1983-12-13 1986-12-02 United Technologies Corporation Seal means for a blade attachment slot of a rotor assembly
US4778342A (en) * 1985-07-24 1988-10-18 Imo Delaval, Inc. Turbine blade retainer
US4836749A (en) * 1988-02-19 1989-06-06 Westinghouse Electric Corp. Pre-load device for a turbomachine rotor
JPH02249913A (ja) * 1989-03-24 1990-10-05 Canon Inc 光学式エンコーダー
US5205714A (en) * 1990-07-30 1993-04-27 General Electric Company Aircraft fan blade damping apparatus
GB2287993A (en) * 1994-03-24 1995-10-04 Rolls Royce Plc Gas turbine engine fan blade retention
WO2000070509A1 (en) 1999-05-13 2000-11-23 Rolls- Royce Corporation Method for designing a cyclic symmetric structure
US8894370B2 (en) * 2008-04-04 2014-11-25 General Electric Company Turbine blade retention system and method
ATE523659T1 (de) * 2008-07-30 2011-09-15 Siemens Ag Befestigungsanordnung zur befestigung von einer laufschaufel an einem rotor einer turbomaschine
US8485784B2 (en) * 2009-07-14 2013-07-16 General Electric Company Turbine bucket lockwire rotation prevention
US8708656B2 (en) 2010-05-25 2014-04-29 Pratt & Whitney Canada Corp. Blade fixing design for protecting against low speed rotation induced wear
FR3025553B1 (fr) * 2014-09-08 2019-11-29 Safran Aircraft Engines Aube a becquet amont
US20170191366A1 (en) * 2016-01-05 2017-07-06 General Electric Company Slotted damper pin for a turbine blade
FR3107724B1 (fr) * 2020-02-27 2022-06-24 Safran Aircraft Engines Rotor de soufflante à aubes à calage variable et turbomachine équipée d’un tel rotor
FR3108665A1 (fr) * 2020-03-31 2021-10-01 Safran Aircraft Engines Rotor de soufflante comprenant des aubes à centre de gravité en amont
FR3108664A1 (fr) * 2020-03-31 2021-10-01 Safran Aircraft Engines Rotor de soufflante comprenant des aubes à centre de gravité en amont
US12286903B2 (en) 2023-02-24 2025-04-29 General Electric Company Turbine engine including a composite airfoil assembly having a dovetail portion
US12241383B2 (en) 2023-02-24 2025-03-04 General Electric Company Turbine engine with a composite-airfoil assembly having a dovetail portion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266770A (en) * 1961-12-22 1966-08-16 Gen Electric Turbomachine rotor assembly
US3598503A (en) * 1969-09-19 1971-08-10 United Aircraft Corp Blade lock
US3723023A (en) * 1971-05-05 1973-03-27 Us Air Force Independent self adjusting vibration damper
US4088421A (en) * 1976-09-30 1978-05-09 General Electric Company Coverplate damping arrangement
US4208170A (en) * 1978-05-18 1980-06-17 General Electric Company Blade retainer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63133031U (en, 2012) * 1987-02-23 1988-08-31

Also Published As

Publication number Publication date
EP0069620B1 (fr) 1985-02-13
DE3262317D1 (en) 1985-03-28
FR2508541B1 (fr) 1985-11-22
FR2508541A1 (fr) 1982-12-31
JPS585406A (ja) 1983-01-12
US4453891A (en) 1984-06-12
EP0069620A1 (fr) 1983-01-12

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