IT963360B - Dispositivo di smorzamento delle vibrazioni per lunghe palette di turbina svergolate - Google Patents

Dispositivo di smorzamento delle vibrazioni per lunghe palette di turbina svergolate

Info

Publication number
IT963360B
IT963360B IT27415/72A IT2741572A IT963360B IT 963360 B IT963360 B IT 963360B IT 27415/72 A IT27415/72 A IT 27415/72A IT 2741572 A IT2741572 A IT 2741572A IT 963360 B IT963360 B IT 963360B
Authority
IT
Italy
Prior art keywords
vibration damping
damping device
turbine blades
long twisted
twisted turbine
Prior art date
Application number
IT27415/72A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT963360B publication Critical patent/IT963360B/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
    • F01D5/22—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)
IT27415/72A 1971-08-09 1972-07-26 Dispositivo di smorzamento delle vibrazioni per lunghe palette di turbina svergolate IT963360B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16997971A 1971-08-09 1971-08-09

Publications (1)

Publication Number Publication Date
IT963360B true IT963360B (it) 1974-01-10

Family

ID=22618004

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27415/72A IT963360B (it) 1971-08-09 1972-07-26 Dispositivo di smorzamento delle vibrazioni per lunghe palette di turbina svergolate

Country Status (3)

Country Link
US (1) US3795462A (enrdf_load_stackoverflow)
JP (1) JPS4930702A (enrdf_load_stackoverflow)
IT (1) IT963360B (enrdf_load_stackoverflow)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5715151B2 (enrdf_load_stackoverflow) * 1972-01-24 1982-03-29
US3923420A (en) * 1973-04-30 1975-12-02 Gen Electric Blade platform with friction damping interlock
US3986792A (en) * 1975-03-03 1976-10-19 Westinghouse Electric Corporation Vibration dampening device disposed on a shroud member for a twisted turbine blade
JPS51113002A (en) * 1975-03-03 1976-10-05 Westinghouse Electric Corp Vibration controlling device arranged at shroud portion of turbine return vane
JPS51147547A (en) * 1975-06-12 1976-12-17 Toyobo Co Ltd Process for preparing viscous liquid containing fire-proofing inorgani c oxides
FR2337251A1 (fr) * 1975-12-29 1977-07-29 Europ Turb Vapeur Etage mobile de turbomachine
JPS5497603U (enrdf_load_stackoverflow) * 1977-12-22 1979-07-10
JPS54125307A (en) * 1978-03-24 1979-09-28 Toshiba Corp Connecting device for turbine movable blades
JPS559631A (en) * 1978-07-07 1980-01-23 Shinroihi Kk Fine polymer particle with uniform particle size distribution and its production
JPS559633A (en) * 1978-07-07 1980-01-23 Shinroihi Kk Blackened fine spherical polymer particle and its production
JPS559632A (en) * 1978-07-07 1980-01-23 Shinroihi Kk Fine spherical polymer particle containing inorganic pigment and its production
JPS5659802A (en) * 1979-10-23 1981-05-23 Shinroihi Kk Microspherical polymer particle and production thereof
USRE32737E (en) * 1980-06-30 1988-08-23 Southern California Edison Continuous harmonic shrouding
US4386887A (en) * 1980-06-30 1983-06-07 Southern California Edison Company Continuous harmonic shrouding
DE3201109A1 (de) * 1982-01-15 1983-07-28 Bayer Ag, 5090 Leverkusen Vernetzte, fuellstoffhaltige perlpolymerisate und verfahren zu ihrer herstellung
JPS58201807A (ja) * 1982-05-18 1983-11-24 Mitsubishi Monsanto Chem Co 無機充填材含有熱可塑性樹脂濃厚組成物の製造方法
US4710102A (en) * 1984-11-05 1987-12-01 Ortolano Ralph J Connected turbine shrouding
GB2251034B (en) * 1990-12-20 1995-05-17 Rolls Royce Plc Shrouded aerofoils
JP2710729B2 (ja) * 1992-06-16 1998-02-10 株式会社日立製作所 軸流タービンの動翼
DE4432999C2 (de) * 1994-09-16 1998-07-30 Mtu Muenchen Gmbh Laufrad einer Turbomaschine, insbesondere einer axial durchströmten Turbine eines Gasturbinentriebwerks
US6568908B2 (en) * 2000-02-11 2003-05-27 Hitachi, Ltd. Steam turbine
JP2009007981A (ja) * 2007-06-27 2009-01-15 Toshiba Corp 蒸気タービン用長動翼翼列の中間固定支持構造及び蒸気タービン
US7931443B1 (en) 2007-07-10 2011-04-26 Florida Turbine Technologies, Inc. High twist composite blade
EP2213837A1 (en) * 2009-01-29 2010-08-04 Siemens Aktiengesellschaft Turbine blade system
US9546555B2 (en) * 2012-12-17 2017-01-17 General Electric Company Tapered part-span shroud
US20150176413A1 (en) * 2013-12-20 2015-06-25 General Electric Company Snubber configurations for turbine rotor blades
US9822647B2 (en) 2014-01-29 2017-11-21 General Electric Company High chord bucket with dual part span shrouds and curved dovetail
CN109869196B (zh) * 2019-04-18 2021-10-01 中国航发沈阳发动机研究所 一种双联或多联的叶轮机转子叶片及具有其的叶轮机

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1304793A (en) * 1919-05-27 Turbine-bucket
US1639247A (en) * 1925-05-28 1927-08-16 Zoelly Alfred Rotor blading for rotary engines, particularly for steam turbines and gas turbines
US2283901A (en) * 1940-03-16 1942-05-26 Westinghouse Electric & Mfg Co Turbine blading
US2391623A (en) * 1943-12-08 1945-12-25 Armstrong Siddeley Motors Ltd Bladed rotor
US2510734A (en) * 1946-04-06 1950-06-06 United Aircraft Corp Turbine or compressor rotor
FR69842E (fr) * 1956-05-30 1958-12-30 Rateau Soc Amortisseurs de vibrations pour aubages mobiles de turbo-machines
DE1159965B (de) * 1961-08-10 1963-12-27 Bbc Brown Boveri & Cie Einrichtung zur Schwingungsdaempfung an einem Turbinen- oder Verdichter-Schaufelkranz
US3572970A (en) * 1969-01-23 1971-03-30 Gen Electric Turbomachinery blade spacer
US3588278A (en) * 1969-03-21 1971-06-28 Westinghouse Electric Corp Blade structure for an axial flow elastic fluid utilizing machine

Also Published As

Publication number Publication date
JPS4930702A (enrdf_load_stackoverflow) 1974-03-19
US3795462A (en) 1974-03-05

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