IT1220633B - Disposizione per ridurre il rumore di sbattimento delle palette di una turbina a vapore - Google Patents

Disposizione per ridurre il rumore di sbattimento delle palette di una turbina a vapore

Info

Publication number
IT1220633B
IT1220633B IT41520/88A IT4152088A IT1220633B IT 1220633 B IT1220633 B IT 1220633B IT 41520/88 A IT41520/88 A IT 41520/88A IT 4152088 A IT4152088 A IT 4152088A IT 1220633 B IT1220633 B IT 1220633B
Authority
IT
Italy
Prior art keywords
blinking
vane
noise
arrangement
reduce
Prior art date
Application number
IT41520/88A
Other languages
English (en)
Other versions
IT8841520A0 (it
Inventor
Jurek Ferleger
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT8841520A0 publication Critical patent/IT8841520A0/it
Application granted granted Critical
Publication of IT1220633B publication Critical patent/IT1220633B/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
    • 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
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IT41520/88A 1987-02-09 1988-02-05 Disposizione per ridurre il rumore di sbattimento delle palette di una turbina a vapore IT1220633B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/012,778 US4784571A (en) 1987-02-09 1987-02-09 Apparatus and method for reducing blade flop in steam turbine

Publications (2)

Publication Number Publication Date
IT8841520A0 IT8841520A0 (it) 1988-02-05
IT1220633B true IT1220633B (it) 1990-06-15

Family

ID=21756648

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41520/88A IT1220633B (it) 1987-02-09 1988-02-05 Disposizione per ridurre il rumore di sbattimento delle palette di una turbina a vapore

Country Status (6)

Country Link
US (1) US4784571A (it)
JP (1) JPS63195301A (it)
KR (1) KR880010213A (it)
CN (1) CN88100634A (it)
ES (1) ES2006305A6 (it)
IT (1) IT1220633B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4936749A (en) * 1988-12-21 1990-06-26 General Electric Company Blade-to-blade vibration damper
US5573375A (en) * 1994-12-14 1996-11-12 United Technologies Corporation Turbine engine rotor blade platform sealing and vibration damping device
DE10340773A1 (de) * 2003-09-02 2005-03-24 Man Turbomaschinen Ag Rotor einer Dampf- oder Gasturbine
GB0505978D0 (en) * 2005-03-24 2005-04-27 Alstom Technology Ltd Interlocking turbine blades
US7771171B2 (en) * 2006-12-14 2010-08-10 General Electric Company Systems for preventing wear on turbine blade tip shrouds
EP2218875A1 (de) * 2009-02-17 2010-08-18 Siemens Aktiengesellschaft Schaufelverband einer Strömungsmaschine
EP2455587B1 (de) * 2010-11-17 2019-01-23 MTU Aero Engines GmbH Rotor für eine Strömungsmaschine, zugehörige Strömungsmaschine und Verfahren zum Herstellen, Reparieren oder Überholen
US9133855B2 (en) 2010-11-15 2015-09-15 Mtu Aero Engines Gmbh Rotor for a turbo machine
US8951013B2 (en) * 2011-10-24 2015-02-10 United Technologies Corporation Turbine blade rail damper
US8894368B2 (en) * 2012-01-04 2014-11-25 General Electric Company Device and method for aligning tip shrouds
EP2803821A1 (en) * 2013-05-13 2014-11-19 Siemens Aktiengesellschaft Blade device, blade system, and corresponding method of manufacturing a blade system
JP6257991B2 (ja) * 2013-10-09 2018-01-10 三菱重工業株式会社 動翼及び回転機械
US11105209B2 (en) * 2018-08-28 2021-08-31 General Electric Company Turbine blade tip shroud

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1423466A (en) * 1920-10-02 1922-07-18 Westinghouse Electric & Mfg Co Interlocking blade shroud
US2430140A (en) * 1945-04-06 1947-11-04 Northrop Hendy Company Turbine blade and mounting
US2942843A (en) * 1956-06-15 1960-06-28 Westinghouse Electric Corp Blade vibration damping structure
US2999631A (en) * 1958-09-05 1961-09-12 Gen Electric Dual airfoil
GB987016A (en) * 1962-08-22 1965-03-24 Ass Elect Ind Improvements in turbine rotors
FR1374917A (fr) * 1963-11-21 1964-10-09 Ass Elect Ind Perfectionnements aux déflecteurs d'étanchéité des aubes mobiles de turbines et de compresseurs à écoulement axial
US3295825A (en) * 1965-03-10 1967-01-03 Gen Motors Corp Multi-stage turbine rotor
US3326523A (en) * 1965-12-06 1967-06-20 Gen Electric Stator vane assembly having composite sectors
US3752599A (en) * 1971-03-29 1973-08-14 Gen Electric Bucket vibration damping device
US3752598A (en) * 1971-11-17 1973-08-14 United Aircraft Corp Segmented duct seal
FR2291349A1 (fr) * 1974-11-14 1976-06-11 Europ Turb Vapeur Disposition de liaison continue des aubes mobiles d'une turbo-machine
FR2329845A1 (fr) * 1975-10-28 1977-05-27 Europ Turb Vapeur Disposition de liaison continue des aubes mobiles d'une turbo-machine
JPS5392006A (en) * 1977-01-24 1978-08-12 Toshiba Corp Coupling device for movable vane
JPS5614803A (en) * 1979-07-18 1981-02-13 Hitachi Ltd Structure for connecting turbing rotor blades
JPS5692303A (en) * 1979-12-24 1981-07-27 Mitsubishi Heavy Ind Ltd Structure of rotor blade for turbine or the like
JPS56103864A (en) * 1980-01-21 1981-08-19 Matsushita Electric Ind Co Ltd Battery
JPS5738602A (en) * 1980-08-20 1982-03-03 Toshiba Corp Driving blade connecting apparatus
JPS57168007A (en) * 1981-04-08 1982-10-16 Toshiba Corp Turbine runner
JPS58137801U (ja) * 1982-03-12 1983-09-16 株式会社東芝 蒸気タ−ビン動翼
US4533298A (en) * 1982-12-02 1985-08-06 Westinghouse Electric Corp. Turbine blade with integral shroud
US4602412A (en) * 1982-12-02 1986-07-29 Westinghouse Electric Corp. Method for assembling in a circular array turbine blades each with an integral shroud
JPS614808A (ja) * 1984-06-20 1986-01-10 Mitsubishi Heavy Ind Ltd 高圧蒸気タ−ビン動翼

Also Published As

Publication number Publication date
ES2006305A6 (es) 1989-04-16
JPS63195301A (ja) 1988-08-12
IT8841520A0 (it) 1988-02-05
CN88100634A (zh) 1988-08-24
US4784571A (en) 1988-11-15
KR880010213A (ko) 1988-10-07

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