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ITMI910721A0 - Paletta di turbomotore a gas - Google Patents

Paletta di turbomotore a gas

Info

Publication number
ITMI910721A0
ITMI910721A0 IT91MI721A ITMI910721A ITMI910721A0 IT MI910721 A0 ITMI910721 A0 IT MI910721A0 IT 91MI721 A IT91MI721 A IT 91MI721A IT MI910721 A ITMI910721 A IT MI910721A IT MI910721 A0 ITMI910721 A0 IT MI910721A0
Authority
IT
Italy
Prior art keywords
turboengine
blade
gas
turboengine blade
gas turboengine
Prior art date
Application number
IT91MI721A
Other languages
English (en)
Inventor
Lori Ellen Matula
Thomas Ames Lindstedt
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 ITMI910721A0 publication Critical patent/ITMI910721A0/it
Publication of ITMI910721A1 publication Critical patent/ITMI910721A1/it
Application granted granted Critical
Publication of IT1245238B publication Critical patent/IT1245238B/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
    • 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)
ITMI910721A 1990-03-19 1991-03-18 Paletta di turbomotore a gas IT1245238B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/495,066 US5100292A (en) 1990-03-19 1990-03-19 Gas turbine engine blade

Publications (3)

Publication Number Publication Date
ITMI910721A0 true ITMI910721A0 (it) 1991-03-18
ITMI910721A1 ITMI910721A1 (it) 1992-09-18
IT1245238B IT1245238B (it) 1994-09-13

Family

ID=23967123

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910721A IT1245238B (it) 1990-03-19 1991-03-18 Paletta di turbomotore a gas

Country Status (7)

Country Link
US (1) US5100292A (it)
JP (1) JPH04224202A (it)
CA (1) CA2034374A1 (it)
DE (1) DE4108085A1 (it)
FR (1) FR2659688A1 (it)
GB (1) GB2243193A (it)
IT (1) IT1245238B (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5314307A (en) * 1992-12-18 1994-05-24 Alliedsignal Inc. Gas turbine test airfoil
US5310312A (en) * 1992-12-18 1994-05-10 Alliedsignal Inc. Gas turbine test airfoil
US5509784A (en) * 1994-07-27 1996-04-23 General Electric Co. Turbine bucket and wheel assembly with integral bucket shroud
DE4430636C2 (de) * 1994-08-29 1997-01-23 Mtu Muenchen Gmbh Einrichtung zur Laufschaufelfixierung und zur Beseitigung von Rotorunwuchten bei axial durchströmten Verdichtern oder Turbinen von Gasturbinentriebwerken
US5522706A (en) * 1994-10-06 1996-06-04 General Electric Company Laser shock peened disks with loading and locking slots for turbomachinery
US6033185A (en) * 1998-09-28 2000-03-07 General Electric Company Stress relieved dovetail
US6901821B2 (en) * 2001-11-20 2005-06-07 United Technologies Corporation Stator damper anti-rotation assembly
GB2406532A (en) * 2003-10-03 2005-04-06 Rolls Royce Plc An apparatus for forming a compressively stressed layer in a root of a blade
DE602005005988T2 (de) * 2005-08-12 2009-05-20 Siemens Aktiengesellschaft Turbine für eine Wärmekraftanlage mit Haltevorrichtung
US8210819B2 (en) * 2008-02-22 2012-07-03 Siemens Energy, Inc. Airfoil structure shim
US8894370B2 (en) * 2008-04-04 2014-11-25 General Electric Company Turbine blade retention system and method
US8251667B2 (en) 2009-05-20 2012-08-28 General Electric Company Low stress circumferential dovetail attachment for rotor blades
US10041354B2 (en) * 2011-09-14 2018-08-07 General Electric Company Blade and method for manufacturing blade
US9249669B2 (en) 2012-04-05 2016-02-02 General Electric Company CMC blade with pressurized internal cavity for erosion control
US10408068B2 (en) 2013-03-12 2019-09-10 United Technologies Corporation Fan blade dovetail and spacer
WO2014143286A1 (en) * 2013-03-15 2014-09-18 United Technologies Corporation Fan blade lubrication
US9506356B2 (en) * 2013-03-15 2016-11-29 Rolls-Royce North American Technologies, Inc. Composite retention feature
EP2981679B1 (en) * 2013-04-01 2020-08-26 United Technologies Corporation Rotor for gas turbine engine
FR3018849B1 (fr) * 2014-03-24 2018-03-16 Safran Aircraft Engines Piece de revolution pour un rotor de turbomachine
FR3031136B1 (fr) * 2014-12-26 2019-11-01 Safran Aircraft Engines Rotor de turbomachine a surfaces d'appui optimisees
US10400784B2 (en) * 2015-05-27 2019-09-03 United Technologies Corporation Fan blade attachment root with improved strain response
US20200248563A1 (en) * 2015-10-20 2020-08-06 Sikorsky Aircraft Corporation Aircraft rotor blade insert
KR101892389B1 (ko) * 2017-03-31 2018-08-27 두산중공업 주식회사 회전체 및 이를 포함하는 증기 터빈
FR3147125A1 (fr) * 2023-03-29 2024-10-04 Safran Aircraft Engines Procédé et dispositif de mise en compression à froid d'au moins une alvéole d'une pièce
DE102023207197A1 (de) * 2023-07-27 2025-01-30 Siemens Energy Global GmbH & Co. KG Schaufel mit vereinfachter Fußgeometrie

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US639608A (en) * 1897-01-14 1899-12-19 Westinghouse Machine Co Steam-turbine.
GB190806640A (en) * 1908-03-25 1908-10-15 William Herbert Giblin Ansell Slate Fastener.
US1619133A (en) * 1922-01-07 1927-03-01 Westinghouse Electric & Mfg Co Blade fastening
US1638648A (en) * 1923-08-13 1927-08-09 Westinghouser Electric And Mfg Turbine-blade fastening
DE900222C (de) * 1942-09-25 1953-12-21 Turbinenfabrik Brueckner Kanis Schaufelbefestigung fuer Kreiselmaschinen, insbesondere Dampf- oder Gasturbinen
US2751189A (en) * 1950-09-08 1956-06-19 United Aircraft Corp Blade fastening means
FR1115124A (fr) * 1954-11-26 1956-04-19 Snecma Dispositif d'arrêt pour aubes mobiles de turbo-machines
DE1020350B (de) * 1955-03-31 1957-12-05 Escher Wyss Gmbh Befestigung einer aus Blech bestehenden Hohlschaufel fuer axial durchstroemte Turbomaschinen
US2994507A (en) * 1959-01-23 1961-08-01 Westinghouse Electric Corp Blade locking structure
CH494341A (de) * 1968-07-26 1970-07-31 Sulzer Ag Rotor für Turbomaschinen
US3720480A (en) * 1971-06-29 1973-03-13 United Aircraft Corp Rotor construction
US3752600A (en) * 1971-12-09 1973-08-14 United Aircraft Corp Root pads for composite blades
SU418618A1 (it) * 1972-01-25 1974-03-05
US3891351A (en) * 1974-03-25 1975-06-24 Theodore J Norbut Turbine disc
US3904316A (en) * 1974-08-16 1975-09-09 Gen Motors Corp Turbine rotor with slot loaded blades and composite bands
US4022545A (en) * 1974-09-11 1977-05-10 Avco Corporation Rooted aerodynamic blade and elastic roll pin damper construction
US4191509A (en) * 1977-12-27 1980-03-04 United Technologies Corporation Rotor blade attachment
JPS5738603A (en) * 1980-08-15 1982-03-03 Hitachi Ltd Fixing construction of rotary machine blade
GB2097480B (en) * 1981-04-29 1984-06-06 Rolls Royce Rotor blade fixing in circumferential slot
JPS5872604A (ja) * 1981-10-26 1983-04-30 Hitachi Ltd タ−ボ機械のブレ−ド取付構造
US4451205A (en) * 1982-02-22 1984-05-29 United Technologies Corporation Rotor blade assembly
FR2608674B1 (fr) * 1986-12-17 1991-04-19 Snecma Roue de turbine a aubes ceramique
US4725200A (en) * 1987-02-24 1988-02-16 Westinghouse Electric Corp. Apparatus and method for reducing relative motion between blade and rotor in steam turbine
JPS6469702A (en) * 1987-09-09 1989-03-15 Hitachi Ltd Fixation of movable blade of axial flow rotary machine
US4836749A (en) * 1988-02-19 1989-06-06 Westinghouse Electric Corp. Pre-load device for a turbomachine rotor
US4820126A (en) * 1988-02-22 1989-04-11 Westinghouse Electric Corp. Turbomachine rotor assembly having reduced stress concentrations

Also Published As

Publication number Publication date
US5100292A (en) 1992-03-31
JPH04224202A (ja) 1992-08-13
GB9104929D0 (en) 1991-04-24
ITMI910721A1 (it) 1992-09-18
FR2659688A1 (fr) 1991-09-20
IT1245238B (it) 1994-09-13
GB2243193A (en) 1991-10-23
DE4108085A1 (de) 1991-09-26
CA2034374A1 (en) 1991-09-20

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Legal Events

Date Code Title Description
0001 Granted