DE3100798C2 - Rotorschaufel für ein Gasturbinentriebwerk - Google Patents

Rotorschaufel für ein Gasturbinentriebwerk

Info

Publication number
DE3100798C2
DE3100798C2 DE3100798A DE3100798A DE3100798C2 DE 3100798 C2 DE3100798 C2 DE 3100798C2 DE 3100798 A DE3100798 A DE 3100798A DE 3100798 A DE3100798 A DE 3100798A DE 3100798 C2 DE3100798 C2 DE 3100798C2
Authority
DE
Germany
Prior art keywords
weight
radially outer
rotor blade
blade
outer end
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
DE3100798A
Other languages
German (de)
English (en)
Other versions
DE3100798A1 (de
Inventor
John Frederick Duffield Derby Coplin
George Stanton-By-Bridge Derby Pask
John Henry Roy Aston-on-Trent Derby Sadler
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of DE3100798A1 publication Critical patent/DE3100798A1/de
Application granted granted Critical
Publication of DE3100798C2 publication Critical patent/DE3100798C2/de
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
    • 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
    • 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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • 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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
    • F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
    • 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)
DE3100798A 1980-01-17 1981-01-13 Rotorschaufel für ein Gasturbinentriebwerk Expired DE3100798C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8001657 1980-01-17

Publications (2)

Publication Number Publication Date
DE3100798A1 DE3100798A1 (de) 1981-12-10
DE3100798C2 true DE3100798C2 (de) 1982-12-30

Family

ID=10510711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3100798A Expired DE3100798C2 (de) 1980-01-17 1981-01-13 Rotorschaufel für ein Gasturbinentriebwerk

Country Status (4)

Country Link
US (1) US4484859A (https=)
JP (1) JPS56106006A (https=)
DE (1) DE3100798C2 (https=)
FR (1) FR2474095B1 (https=)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4776763A (en) * 1987-12-02 1988-10-11 Sundstrand Corporation Mechanical damping of turbine wheel blades
US5674050A (en) * 1988-12-05 1997-10-07 United Technologies Corp. Turbine blade
US5156529A (en) * 1991-03-28 1992-10-20 Westinghouse Electric Corp. Integral shroud blade design
US5203873A (en) * 1991-08-29 1993-04-20 General Electric Company Turbine blade impingement baffle
JP2684936B2 (ja) * 1992-09-18 1997-12-03 株式会社日立製作所 ガスタービン及びガスタービン翼
US5284011A (en) * 1992-12-14 1994-02-08 General Electric Company Damped turbine engine frame
US5558497A (en) * 1995-07-31 1996-09-24 United Technologies Corporation Airfoil vibration damping device
US5820343A (en) * 1995-07-31 1998-10-13 United Technologies Corporation Airfoil vibration damping device
US6193465B1 (en) 1998-09-28 2001-02-27 General Electric Company Trapped insert turbine airfoil
US6827551B1 (en) 2000-02-01 2004-12-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Self-tuning impact damper for rotating blades
US6752594B2 (en) 2002-02-07 2004-06-22 The Boeing Company Split blade frictional damper
US6699015B2 (en) 2002-02-19 2004-03-02 The Boeing Company Blades having coolant channels lined with a shape memory alloy and an associated fabrication method
US6676380B2 (en) 2002-04-11 2004-01-13 The Boeing Company Turbine blade assembly with pin dampers
US6685435B2 (en) 2002-04-26 2004-02-03 The Boeing Company Turbine blade assembly with stranded wire cable dampers
US7413405B2 (en) 2005-06-14 2008-08-19 General Electric Company Bipedal damper turbine blade
US7270517B2 (en) * 2005-10-06 2007-09-18 Siemens Power Generation, Inc. Turbine blade with vibration damper
US7527477B2 (en) 2006-07-31 2009-05-05 General Electric Company Rotor blade and method of fabricating same
US7736124B2 (en) * 2007-04-10 2010-06-15 General Electric Company Damper configured turbine blade
US7824158B2 (en) * 2007-06-25 2010-11-02 General Electric Company Bimaterial turbine blade damper
US8915718B2 (en) 2012-04-24 2014-12-23 United Technologies Corporation Airfoil including damper member
US9249668B2 (en) 2012-04-24 2016-02-02 United Technologies Corporation Airfoil with break-way, free-floating damper member
US9121288B2 (en) 2012-05-04 2015-09-01 Siemens Energy, Inc. Turbine blade with tuned damping structure
EP2806106A1 (de) 2013-05-23 2014-11-26 MTU Aero Engines GmbH Turbomaschinenschaufel mit einem Impulskörper
US9765625B2 (en) * 2013-05-23 2017-09-19 MTU Aero Engines AG Turbomachine blade
US10316670B2 (en) * 2013-12-05 2019-06-11 United Technologies Corporation Hollow blade having internal damper
EP3097268B1 (en) * 2014-01-24 2019-04-24 United Technologies Corporation Blade for a gas turbine engine and corresponding method of damping
FR3021698B1 (fr) * 2014-05-28 2021-07-02 Snecma Aube de turbine, comprenant un conduit central de refroidissement isole thermiquement de parois de l'aube par deux cavites laterales jointives en aval du conduit central
CN106988787B (zh) * 2016-01-21 2019-05-21 中国航发商用航空发动机有限责任公司 转子叶片和叶轮机械
US20170350597A1 (en) * 2016-06-07 2017-12-07 General Electric Company Heat transfer device, turbomachine casing and related storage medium
US11339666B2 (en) 2020-04-17 2022-05-24 General Electric Company Airfoil with cavity damping
CN114961867B (zh) * 2021-02-25 2023-12-26 中国航发商用航空发动机有限责任公司 空气导管和航空发动机

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2144428A (en) * 1936-01-28 1939-01-17 United Aircraft Corp Aeronautical propeller having vibration controlling features
GB561897A (en) * 1941-03-08 1944-06-09 Westinghouse Electric Int Co Improvements in or relating to vibration damping means for turbine blades
FR981599A (fr) * 1948-12-31 1951-05-28 Dispositif amortisseur de vibrations
FR1007303A (fr) * 1949-08-24 1952-05-05 Perfectionnements aux aubes de rotors
GB721049A (en) * 1951-12-10 1954-12-29 Power Jets Res & Dev Ltd Improvements in turbine and dynamic compressor blades
US2999669A (en) * 1958-11-21 1961-09-12 Westinghouse Electric Corp Damping apparatus
GB1061217A (en) * 1964-10-07 1967-03-08 Rolls Royce An arrangement for damping vibrations in members which are subject to undesired vibration in use
US3628885A (en) * 1969-10-01 1971-12-21 Gen Electric Fluid-cooled airfoil
US3715170A (en) * 1970-12-11 1973-02-06 Gen Electric Cooled turbine blade
US3752599A (en) * 1971-03-29 1973-08-14 Gen Electric Bucket vibration damping device
US3905723A (en) * 1972-10-27 1975-09-16 Norton Co Composite ceramic turbine rotor
US3867068A (en) * 1973-03-30 1975-02-18 Gen Electric Turbomachinery blade cooling insert retainers
US3881844A (en) * 1974-05-28 1975-05-06 Gen Electric Blade platform vibration dampers
US3966357A (en) * 1974-09-25 1976-06-29 General Electric Company Blade baffle damper
US4101245A (en) * 1976-12-27 1978-07-18 United Technologies Corporation Interblade damper and seal for turbomachinery rotor
GB1552536A (en) * 1977-05-05 1979-09-12 Rolls Royce Rotor blade for a gas turbine engine
US4355957A (en) * 1981-06-18 1982-10-26 United Technologies Corporation Blade damper

Also Published As

Publication number Publication date
FR2474095B1 (fr) 1986-02-28
JPS6318002B2 (https=) 1988-04-15
DE3100798A1 (de) 1981-12-10
FR2474095A1 (fr) 1981-07-24
JPS56106006A (en) 1981-08-24
US4484859A (en) 1984-11-27

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: ROLLS-ROYCE PLC, LONDON, GB

8339 Ceased/non-payment of the annual fee