IT8523325A0 - Tenuta di radice di pala di turbina o simili. - Google Patents

Tenuta di radice di pala di turbina o simili.

Info

Publication number
IT8523325A0
IT8523325A0 IT8523325A IT2332585A IT8523325A0 IT 8523325 A0 IT8523325 A0 IT 8523325A0 IT 8523325 A IT8523325 A IT 8523325A IT 2332585 A IT2332585 A IT 2332585A IT 8523325 A0 IT8523325 A0 IT 8523325A0
Authority
IT
Italy
Prior art keywords
similar
turbine blade
blade root
root seal
seal
Prior art date
Application number
IT8523325A
Other languages
English (en)
Other versions
IT1186487B (it
Inventor
Sidney Baker Elston Iii
Robert James Corsmeier
Melvin Bobo
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 IT8523325A0 publication Critical patent/IT8523325A0/it
Application granted granted Critical
Publication of IT1186487B publication Critical patent/IT1186487B/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
    • 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
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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
    • 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
    • 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)
IT23325/85A 1984-12-20 1985-12-20 Tenuta di radice di pala di turbina o simili IT1186487B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/684,435 US4743166A (en) 1984-12-20 1984-12-20 Blade root seal

Publications (2)

Publication Number Publication Date
IT8523325A0 true IT8523325A0 (it) 1985-12-20
IT1186487B IT1186487B (it) 1987-11-26

Family

ID=24748052

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23325/85A IT1186487B (it) 1984-12-20 1985-12-20 Tenuta di radice di pala di turbina o simili

Country Status (6)

Country Link
US (1) US4743166A (it)
JP (1) JPS61155602A (it)
DE (1) DE3544652C2 (it)
FR (1) FR2575220B1 (it)
GB (1) GB2169664B (it)
IT (1) IT1186487B (it)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5201849A (en) * 1990-12-10 1993-04-13 General Electric Company Turbine rotor seal body
US5226784A (en) * 1991-02-11 1993-07-13 General Electric Company Blade damper
US5443365A (en) * 1993-12-02 1995-08-22 General Electric Company Fan blade for blade-out protection
EP1028231B1 (de) * 1999-02-12 2003-09-03 ALSTOM (Switzerland) Ltd Befestigung von Laufschaufeln einer Strömungsmachine
JP2003501580A (ja) * 1999-06-07 2003-01-14 シーメンス アクチエンゲゼルシヤフト 流体機械および流体機械のロータ用のシール要素
US6579065B2 (en) 2001-09-13 2003-06-17 General Electric Co. Methods and apparatus for limiting fluid flow between adjacent rotor blades
US6736602B2 (en) * 2002-07-31 2004-05-18 United Technologies Corporation Hollow fan hub under blade bumper
DE10313490A1 (de) * 2003-03-26 2004-10-14 Alstom Technology Ltd Axial durchströmte thermische Turbomaschine
DE10358421A1 (de) * 2003-12-13 2005-07-07 Mtu Aero Engines Gmbh Rotor für eine Turbomaschine
TWI296025B (en) * 2005-05-27 2008-04-21 Delta Electronics Inc Fan and impeller thereof
FR2888897B1 (fr) * 2005-07-21 2007-10-19 Snecma Dispositif d'amortissement des vibrations d'un anneau de retention axiale des aubes de soufflante d'une turbomachine
FR2918409B1 (fr) * 2007-07-05 2011-05-27 Snecma Partie tournante de turbomachine comprenant des secteurs inter-aubes formant plateforme rapportes fixement sur un disque
US8215914B2 (en) * 2008-07-08 2012-07-10 General Electric Company Compliant seal for rotor slot
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
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
US8210823B2 (en) * 2008-07-08 2012-07-03 General Electric Company Method and apparatus for creating seal slots for turbine components
GB0908502D0 (en) * 2009-05-19 2009-06-24 Rolls Royce Plc A balanced rotor for a turbine engine
US8834123B2 (en) * 2009-12-29 2014-09-16 Rolls-Royce Corporation Turbomachinery component
GB201203303D0 (en) * 2012-02-27 2012-04-11 Rolls Royce Plc Balancing of rotor
US9982549B2 (en) 2012-12-18 2018-05-29 United Technologies Corporation Turbine under platform air seal strip
EP2770166B1 (en) * 2013-02-20 2017-04-12 General Electric Technology GmbH Damper for compressor blade feet
WO2014163709A2 (en) 2013-03-13 2014-10-09 Uskert Richard C Platform for ceramic matrix composite turbine blades
FR3025563B1 (fr) * 2014-09-04 2019-04-05 Safran Aircraft Engines Aube a plateforme et excroissance creusee
US10533445B2 (en) * 2016-08-23 2020-01-14 United Technologies Corporation Rim seal for gas turbine engine
US10767498B2 (en) 2018-04-03 2020-09-08 Rolls-Royce High Temperature Composites Inc. Turbine disk with pinned platforms
US10577961B2 (en) 2018-04-23 2020-03-03 Rolls-Royce High Temperature Composites Inc. Turbine disk with blade supported platforms
US10890081B2 (en) 2018-04-23 2021-01-12 Rolls-Royce Corporation Turbine disk with platforms coupled to disk
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
US11486261B2 (en) * 2020-03-31 2022-11-01 General Electric Company Turbine circumferential dovetail leakage reduction

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2310412A (en) * 1941-03-08 1943-02-09 Westinghouse Electric & Mfg Co Vibration dampener
GB750397A (en) * 1951-12-10 1956-06-13 Power Jets Res & Dev Ltd Damped turbine and dynamic compressor blades
US2916257A (en) * 1953-12-30 1959-12-08 Gen Electric Damping turbine buckets
BE635976A (it) * 1962-08-10
US3216700A (en) * 1963-10-24 1965-11-09 Gen Electric Rotor blade locking means
AT287741B (de) * 1968-10-28 1971-02-10 Elin Union Ag Sicherung für in profilierten axialen Nuten eines Turbinenrotors gehaltene Laufschaufeln gegen eine Axialverschiebung
US3689177A (en) * 1971-04-19 1972-09-05 Gen Electric Blade constraining structure
DE2250563A1 (de) * 1971-11-03 1973-05-10 British Leyland Truck & Bus Turbinen-rotor
GB1460714A (en) * 1973-06-26 1977-01-06 Rolls Royce Bladed rotor for a gas turbine engine
GB1457417A (en) * 1973-06-30 1976-12-01 Dunlop Ltd Vibration damping means
US4029436A (en) * 1975-06-17 1977-06-14 United Technologies Corporation Blade root feather seal
US3972645A (en) * 1975-08-04 1976-08-03 United Technologies Corporation Platform seal-tangential blade
US4019832A (en) * 1976-02-27 1977-04-26 General Electric Company Platform for a turbomachinery blade
GB1549152A (en) * 1977-01-11 1979-08-01 Rolls Royce Rotor stage for a gas trubine engine
US4183720A (en) * 1978-01-03 1980-01-15 The United States Of America As Represented By The Secretary Of The Air Force Composite fan blade platform double wedge centrifugal seal
US4326835A (en) * 1979-10-29 1982-04-27 General Motors Corporation Blade platform seal for ceramic/metal rotor assembly
US4464096A (en) * 1979-11-01 1984-08-07 United Technologies Corporation Self-actuating rotor seal
US4280795A (en) * 1979-12-26 1981-07-28 United Technologies Corporation Interblade seal for axial flow rotary machines
GB2119026B (en) * 1981-03-25 1984-06-20 Rolls Royce Aerofoil blade mounting
FR2503247B1 (fr) * 1981-04-07 1985-06-14 Snecma Perfectionnements aux etages de turbine a gaz de turboreacteurs munis de moyens de refroidissement par air du disque de la roue de la turbine
JPS57186004A (en) * 1981-05-13 1982-11-16 Hitachi Ltd Structure of rotor for turbo-machine
FR2517779B1 (fr) * 1981-12-03 1986-06-13 Snecma Dispositif d'amortissement des aubes d'une soufflante de turbomachine
US4422827A (en) * 1982-02-18 1983-12-27 United Technologies Corporation Blade root seal
JPS5912879A (ja) * 1982-07-13 1984-01-23 Canon Inc プラテンロ−ラ
US4480957A (en) * 1983-04-14 1984-11-06 General Electric Company Dynamic response modification and stress reduction in dovetail and blade assembly
GB2139295A (en) * 1983-05-05 1984-11-07 Tuomo Kaivola Thermal joint e.g. for a turbine
US4505642A (en) * 1983-10-24 1985-03-19 United Technologies Corporation Rotor blade interplatform seal

Also Published As

Publication number Publication date
FR2575220B1 (fr) 1993-03-26
GB8530279D0 (en) 1986-01-22
GB2169664B (en) 1988-09-21
FR2575220A1 (fr) 1986-06-27
DE3544652C2 (de) 1995-06-01
GB2169664A (en) 1986-07-16
DE3544652A1 (de) 1986-07-03
US4743166A (en) 1988-05-10
JPS61155602A (ja) 1986-07-15
IT1186487B (it) 1987-11-26

Similar Documents

Publication Publication Date Title
IT8523325A0 (it) Tenuta di radice di pala di turbina o simili.
DE3770934D1 (de) Gasturbinen schaufel.
DE3765972D1 (de) Gasturbinenschaufel.
IT8820426A0 (it) Pala di turbina con sfiato di sommita'.
DE3461321D1 (en) Turbine blade tip seal
IT8523057A0 (it) Turbina di potenza controrotante.
IT8520834A0 (it) Pala per turbina a gas.
GB8510319D0 (en) Wind turbine blades
IT8519864A0 (it) Tenuta rotante particolarmente per turbina a gas.
IT8522972A0 (it) Tenuta di piattaforma per pala di ventilatore
ES516816A0 (es) Planta generadora eolica.
NO160807C (no) Gassturbin.
IT8221755A0 (it) Paletta per una turbina a gas.
AR228676A1 (es) Pala de rotor de turbina
IT8619181A0 (it) Piattaforma di pala di turbina.
IT8419720A0 (it) Complesso di guarnizione per albero di turbina.
BR8207172A (pt) Turbina dotada de rotor
GB2097481B (en) Wind or water-powered rotor blade
IT8521411A0 (it) Pala di statore particolarmente per turbomotore a gas.
NL179227B (nl) Turbineboor.
FR2597298B3 (fr) Coupe-racines.
DE3582092D1 (de) Doppler-drehfunkfeuer.
DE3674377D1 (de) Pflanzenschutzzusammensetzung.
ES280117Y (es) Turbina eolica
IT8423716A0 (it) Regolatore di portata a pala.

Legal Events

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

Effective date: 19951227