IT1042705B - Smorzatore di schermo per palette di turbomotori a gas - Google Patents

Smorzatore di schermo per palette di turbomotori a gas

Info

Publication number
IT1042705B
IT1042705B IT27430/75A IT2743075A IT1042705B IT 1042705 B IT1042705 B IT 1042705B IT 27430/75 A IT27430/75 A IT 27430/75A IT 2743075 A IT2743075 A IT 2743075A IT 1042705 B IT1042705 B IT 1042705B
Authority
IT
Italy
Prior art keywords
palette
turbo engine
gas turbo
screen damper
damper
Prior art date
Application number
IT27430/75A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1042705B publication Critical patent/IT1042705B/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
    • F01D5/12—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
    • 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/19—Two-dimensional machined; miscellaneous
    • F05D2250/192—Two-dimensional machined; miscellaneous bevelled
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
    • 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)
IT27430/75A 1974-09-25 1975-09-19 Smorzatore di schermo per palette di turbomotori a gas IT1042705B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/509,031 US3966357A (en) 1974-09-25 1974-09-25 Blade baffle damper

Publications (1)

Publication Number Publication Date
IT1042705B true IT1042705B (it) 1980-01-30

Family

ID=24025022

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27430/75A IT1042705B (it) 1974-09-25 1975-09-19 Smorzatore di schermo per palette di turbomotori a gas

Country Status (7)

Country Link
US (1) US3966357A (it)
JP (1) JPS5151618A (it)
BE (1) BE833792A (it)
DE (1) DE2542276A1 (it)
FR (1) FR2286276A1 (it)
IT (1) IT1042705B (it)
NL (1) NL7511310A (it)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010531A (en) * 1975-09-02 1977-03-08 General Electric Company Tip cap apparatus and method of installation
GB1552536A (en) * 1977-05-05 1979-09-12 Rolls Royce Rotor blade for a gas turbine engine
US4293053A (en) * 1979-12-18 1981-10-06 United Technologies Corporation Sound absorbing structure
FR2474095B1 (fr) * 1980-01-17 1986-02-28 Rolls Royce Dispositif amortisseur de vibrations pour aubes mobiles de moteur a turbine a gaz
US4712979A (en) * 1985-11-13 1987-12-15 The United States Of America As Represented By The Secretary Of The Air Force Self-retained platform cooling plate for turbine vane
US4973221A (en) * 1989-04-17 1990-11-27 General Electric Company Gas turbine engine motor assembly
JPH0792002B2 (ja) * 1991-12-26 1995-10-09 ゼネラル・エレクトリック・カンパニイ ガスタービンエンジン支柱用のダンパアセンブリ
US5498137A (en) * 1995-02-17 1996-03-12 United Technologies Corporation Turbine engine rotor blade vibration damping device
US5820348A (en) 1996-09-17 1998-10-13 Fricke; J. Robert Damping system for vibrating members
US6193465B1 (en) * 1998-09-28 2001-02-27 General Electric Company Trapped insert turbine airfoil
DE19860788A1 (de) * 1998-12-30 2000-07-06 Abb Alstom Power Ch Ag Kühlbare Schaufel für eine Gasturbine
CA2334071C (en) * 2000-02-23 2005-05-24 Mitsubishi Heavy Industries, Ltd. Gas turbine moving blade
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
US7033140B2 (en) * 2003-12-19 2006-04-25 United Technologies Corporation Cooled rotor blade with vibration damping device
US7811063B2 (en) * 2006-11-03 2010-10-12 General Electric Company Damping element for a wind turbine rotor blade
US8393867B2 (en) * 2008-03-31 2013-03-12 United Technologies Corporation Chambered airfoil cooling
GB2468528B (en) * 2009-03-13 2011-03-30 Rolls Royce Plc Vibration damper
US8579593B2 (en) * 2009-11-06 2013-11-12 Siemens Energy, Inc. Damping element for reducing the vibration of an airfoil
US8449249B2 (en) 2010-04-09 2013-05-28 Williams International Co., L.L.C. Turbine nozzle apparatus and associated method of manufacture
WO2015123017A1 (en) 2014-02-13 2015-08-20 United Technologies Corporation Air shredder insert
US10329932B2 (en) * 2015-03-02 2019-06-25 United Technologies Corporation Baffle inserts
US10184341B2 (en) 2015-08-12 2019-01-22 United Technologies Corporation Airfoil baffle with wedge region
US10012092B2 (en) * 2015-08-12 2018-07-03 United Technologies Corporation Low turn loss baffle flow diverter
US10577943B2 (en) * 2017-05-11 2020-03-03 General Electric Company Turbine engine airfoil insert
US11346246B2 (en) * 2017-12-01 2022-05-31 Siemens Energy, Inc. Brazed in heat transfer feature for cooled turbine components
US11261739B2 (en) * 2018-01-05 2022-03-01 Raytheon Technologies Corporation Airfoil with rib communication
US10724376B2 (en) 2018-02-08 2020-07-28 General Electric Company Airfoil having integral fins
US10774657B2 (en) 2018-11-23 2020-09-15 Raytheon Technologies Corporation Baffle assembly for gas turbine engine components
US11371358B2 (en) * 2020-02-19 2022-06-28 General Electric Company Turbine damper
US11624287B2 (en) * 2020-02-21 2023-04-11 Raytheon Technologies Corporation Ceramic matrix composite component having low density core and method of making
US11739645B2 (en) * 2020-09-30 2023-08-29 General Electric Company Vibrational dampening elements
US11536144B2 (en) 2020-09-30 2022-12-27 General Electric Company Rotor blade damping structures
US11634991B1 (en) * 2022-01-12 2023-04-25 General Electric Company Vibration damping system for turbine nozzle or blade using elongated body and wire mesh member

Family Cites Families (12)

* 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
CH237453A (de) * 1942-02-04 1945-04-30 Bmw Flugmotorenbau Ges Mbh Innengekühlte Turbinenschaufel.
DE940226C (de) * 1943-11-06 1956-04-12 Ernst Heinkel Ag Hohlschaufel fuer axial durchstroemte Turbinen
FR981599A (fr) * 1948-12-31 1951-05-28 Dispositif amortisseur de vibrations
US2568726A (en) * 1949-08-03 1951-09-25 Franz Anselm Air-cooled turbine blade
US2783023A (en) * 1950-04-05 1957-02-26 Stalker Dev Company Fluid rotor having damping means
US2873944A (en) * 1952-09-10 1959-02-17 Gen Motors Corp Turbine blade cooling
US2862686A (en) * 1954-08-19 1958-12-02 Thompson Prod Inc Hollow vane with internal vibration dampener
US3700348A (en) * 1968-08-13 1972-10-24 Gen Electric Turbomachinery blade structure
US3644060A (en) * 1970-06-05 1972-02-22 John K Bryan Cooled airfoil
US3715170A (en) * 1970-12-11 1973-02-06 Gen Electric Cooled turbine blade
US3867068A (en) * 1973-03-30 1975-02-18 Gen Electric Turbomachinery blade cooling insert retainers

Also Published As

Publication number Publication date
BE833792A (fr) 1976-01-16
JPS5151618A (it) 1976-05-07
US3966357A (en) 1976-06-29
NL7511310A (nl) 1976-03-29
DE2542276A1 (de) 1976-04-08
FR2286276B3 (it) 1978-05-05
FR2286276A1 (fr) 1976-04-23

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