IT1178467B - Sistema modificatore di risposta dinamica, e riduttori di sollecitazioni in complessi di incastri a coda di rondine e di palette - Google Patents

Sistema modificatore di risposta dinamica, e riduttori di sollecitazioni in complessi di incastri a coda di rondine e di palette

Info

Publication number
IT1178467B
IT1178467B IT20516/84A IT2051684A IT1178467B IT 1178467 B IT1178467 B IT 1178467B IT 20516/84 A IT20516/84 A IT 20516/84A IT 2051684 A IT2051684 A IT 2051684A IT 1178467 B IT1178467 B IT 1178467B
Authority
IT
Italy
Prior art keywords
pallets
complexes
dynamic response
response modifier
dovetail joints
Prior art date
Application number
IT20516/84A
Other languages
English (en)
Other versions
IT8420516A0 (it
Inventor
Diether Eusebio Carreno
Motibhai Patel Manubhai
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8420516A0 publication Critical patent/IT8420516A0/it
Application granted granted Critical
Publication of IT1178467B publication Critical patent/IT1178467B/it

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
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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
    • F01D5/14—Form or construction
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Amplifiers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
IT20516/84A 1983-04-14 1984-04-13 Sistema modificatore di risposta dinamica, e riduttori di sollecitazioni in complessi di incastri a coda di rondine e di palette IT1178467B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/484,882 US4480957A (en) 1983-04-14 1983-04-14 Dynamic response modification and stress reduction in dovetail and blade assembly

Publications (2)

Publication Number Publication Date
IT8420516A0 IT8420516A0 (it) 1984-04-13
IT1178467B true IT1178467B (it) 1987-09-09

Family

ID=23926022

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20516/84A IT1178467B (it) 1983-04-14 1984-04-13 Sistema modificatore di risposta dinamica, e riduttori di sollecitazioni in complessi di incastri a coda di rondine e di palette

Country Status (8)

Country Link
US (1) US4480957A (it)
JP (1) JPS59229002A (it)
CH (1) CH664602A5 (it)
DE (1) DE3413162A1 (it)
FR (1) FR2544381B1 (it)
GB (1) GB2138078B (it)
IT (1) IT1178467B (it)
NO (1) NO161818C (it)

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FR2739135B1 (fr) * 1995-09-21 1997-10-31 Snecma Agencement amortisseur monte entre des aubes de rotor
DE19738595C1 (de) * 1997-09-04 1999-02-11 Mtu Muenchen Gmbh Prüfvorrichtung für Dämpfungselemente von Laufschaufeln
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WO2000075491A1 (de) * 1999-06-07 2000-12-14 Siemens Aktiengesellschaft Strömungsmaschine sowie dichtelement für einen rotor einer strömungsmaschine
EP1136654A1 (de) * 2000-03-21 2001-09-26 Siemens Aktiengesellschaft Turbinenlaufschaufel
US6439851B1 (en) * 2000-12-21 2002-08-27 United Technologies Corporation Reduced stress rotor blade and disk assembly
US6901821B2 (en) * 2001-11-20 2005-06-07 United Technologies Corporation Stator damper anti-rotation assembly
US6846159B2 (en) * 2002-04-16 2005-01-25 United Technologies Corporation Chamfered attachment for a bladed rotor
US6786696B2 (en) * 2002-05-06 2004-09-07 General Electric Company Root notched turbine blade
US6773234B2 (en) * 2002-10-18 2004-08-10 General Electric Company Methods and apparatus for facilitating preventing failure of gas turbine engine blades
US6840740B2 (en) * 2002-12-06 2005-01-11 General Electric Company Bucket dovetail design for turbine rotors
US7121803B2 (en) * 2002-12-26 2006-10-17 General Electric Company Compressor blade with dovetail slotted to reduce stress on the airfoil leading edge
US6902376B2 (en) * 2002-12-26 2005-06-07 General Electric Company Compressor blade with dovetail slotted to reduce stress on the airfoil leading edge
US20040213672A1 (en) * 2003-04-25 2004-10-28 Gautreau James Charles Undercut leading edge for compressor blades and related method
US7252481B2 (en) * 2004-05-14 2007-08-07 Pratt & Whitney Canada Corp. Natural frequency tuning of gas turbine engine blades
US7976281B2 (en) * 2007-05-15 2011-07-12 General Electric Company Turbine rotor blade and method of assembling the same
CN101182784B (zh) * 2007-12-03 2011-05-11 南京航空航天大学 应用于航空发动机的风扇/压气机的转子超声叶型的设计方法
US8313289B2 (en) 2007-12-07 2012-11-20 United Technologies Corp. Gas turbine engine systems involving rotor bayonet coverplates and tools for installing such coverplates
JP5091745B2 (ja) * 2008-03-31 2012-12-05 三菱重工業株式会社 タービン翼の嵌合構造
US20090297351A1 (en) * 2008-05-28 2009-12-03 General Electric Company Compressor rotor blade undercut
US8038405B2 (en) * 2008-07-08 2011-10-18 General Electric Company Spring seal for turbine dovetail
US8210820B2 (en) * 2008-07-08 2012-07-03 General Electric Company Gas assisted turbine seal
US8215914B2 (en) * 2008-07-08 2012-07-10 General Electric Company Compliant seal for rotor slot
US8210823B2 (en) * 2008-07-08 2012-07-03 General Electric Company Method and apparatus for creating seal slots for turbine components
US8210821B2 (en) * 2008-07-08 2012-07-03 General Electric Company Labyrinth seal for turbine dovetail
US8011894B2 (en) * 2008-07-08 2011-09-06 General Electric Company Sealing mechanism with pivot plate and rope seal
GB0815482D0 (en) * 2008-08-27 2008-10-01 Rolls Royce Plc A blade and method of making a blade
GB0823347D0 (en) * 2008-12-23 2009-01-28 Rolls Royce Plc Test blade
EP2282010A1 (de) * 2009-06-23 2011-02-09 Siemens Aktiengesellschaft Laufschaufel für eine axial durchströmbare Turbomaschine
US9488059B2 (en) * 2009-08-05 2016-11-08 Hamilton Sundstrand Corporation Fan blade dovetail with compliant layer
FR2963383B1 (fr) 2010-07-27 2016-09-09 Snecma Aube de turbomachine, rotor, turbine basse pression et turbomachine equipes d'une telle aube
GB2491121B (en) * 2011-05-23 2014-10-01 Rolls Royce Plc Balancing of rotatable components
JP5968176B2 (ja) * 2012-09-20 2016-08-10 三菱日立パワーシステムズ株式会社 蒸気タービン設備
US9739159B2 (en) * 2013-10-09 2017-08-22 General Electric Company Method and system for relieving turbine rotor blade dovetail stress
GB201408463D0 (en) * 2014-05-13 2014-06-25 Rolls Royce Plc Test blade
US20160186593A1 (en) * 2014-12-31 2016-06-30 General Electric Company Flowpath boundary and rotor assemblies in gas turbines
US11346363B2 (en) 2018-04-30 2022-05-31 Raytheon Technologies Corporation Composite airfoil for gas turbine
US10883370B2 (en) * 2018-08-14 2021-01-05 Raytheon Technologies Corporation Dovetail weight system for rotor balance
JP7269029B2 (ja) * 2019-02-27 2023-05-08 三菱重工業株式会社 動翼及び回転機械

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GB280221A (en) * 1926-11-06 1928-02-23 Alfred Buechi Improvements in blading for gas and steam turbines
US1699747A (en) * 1927-07-27 1929-01-22 Simonds Saw & Steel Co Saw-tooth construction
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FR942236A (fr) * 1946-03-14 1949-02-02 Parsons C A & Co Ltd Perfectionnements apportés ou relatifs aux rotors de turbines à gaz ou autres analogues
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FR1024218A (fr) * 1950-09-01 1953-03-30 Rateau Soc Dispositif d'amortissement de vibrations pour pales d'hélices et ailettes de turbomachines
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Also Published As

Publication number Publication date
NO841488L (no) 1984-10-15
FR2544381B1 (fr) 1988-12-02
JPH0423085B2 (it) 1992-04-21
NO161818B (no) 1989-06-19
FR2544381A1 (fr) 1984-10-19
CH664602A5 (de) 1988-03-15
JPS59229002A (ja) 1984-12-22
GB8409388D0 (en) 1984-05-23
DE3413162C2 (it) 1993-09-09
DE3413162A1 (de) 1984-10-18
US4480957A (en) 1984-11-06
NO161818C (no) 1989-09-27
GB2138078B (en) 1987-12-09
IT8420516A0 (it) 1984-04-13
GB2138078A (en) 1984-10-17

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940427