IT963360B - VIBRATION DAMPING DEVICE FOR LONG TWISTED TURBINE BLADES - Google Patents

VIBRATION DAMPING DEVICE FOR LONG TWISTED TURBINE BLADES

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
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/en

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 VIBRATION DAMPING DEVICE FOR LONG TWISTED TURBINE BLADES IT963360B (en)

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 (en) 1974-01-10

Family

ID=22618004

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27415/72A IT963360B (en) 1971-08-09 1972-07-26 VIBRATION DAMPING DEVICE FOR LONG TWISTED TURBINE BLADES

Country Status (3)

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

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5715151B2 (en) * 1972-01-24 1982-03-29
US3923420A (en) * 1973-04-30 1975-12-02 Gen Electric Blade platform with friction damping interlock
JPS51113002A (en) * 1975-03-03 1976-10-05 Westinghouse Electric Corp Vibration controlling device arranged at shroud portion of turbine return vane
US3986792A (en) * 1975-03-03 1976-10-19 Westinghouse Electric Corporation Vibration dampening device disposed on a shroud member for a twisted turbine blade
JPS51147547A (en) * 1975-06-12 1976-12-17 Toyobo Co Ltd Process for preparing viscous liquid containing fire-proofing inorgani c oxides
FR2337251A1 (en) * 1975-12-29 1977-07-29 Europ Turb Vapeur TURBOMACHINE MOBILE STAGE
JPS5497603U (en) * 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
US4386887A (en) * 1980-06-30 1983-06-07 Southern California Edison Company Continuous harmonic shrouding
USRE32737E (en) * 1980-06-30 1988-08-23 Southern California Edison Continuous harmonic shrouding
DE3201109A1 (en) * 1982-01-15 1983-07-28 Bayer Ag, 5090 Leverkusen CROSS-NETWORKED FILLER-BASED PEARL POLYMERS AND PROCESS FOR THEIR PRODUCTION
JPS58201807A (en) * 1982-05-18 1983-11-24 Mitsubishi Monsanto Chem Co Preparation of highly concentration thermoplastic resin composition containing inorganic filler
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 (en) * 1992-06-16 1998-02-10 株式会社日立製作所 Axial turbine blades
DE4432999C2 (en) * 1994-09-16 1998-07-30 Mtu Muenchen Gmbh Impeller of a turbomachine, in particular an axially flow-through turbine of a gas turbine engine
US6568908B2 (en) * 2000-02-11 2003-05-27 Hitachi, Ltd. Steam turbine
JP2009007981A (en) * 2007-06-27 2009-01-15 Toshiba Corp Intermediate fixing and supporting structure for steam-turbine long moving blade train, and steam turbine
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 (en) * 2019-04-18 2021-10-01 中国航发沈阳发动机研究所 Duplex or multi-connected impeller rotor blade and impeller with same

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 (en) * 1956-05-30 1958-12-30 Rateau Soc Vibration dampers for mobile turbo-machine blades
DE1159965B (en) * 1961-08-10 1963-12-27 Bbc Brown Boveri & Cie Device for vibration damping on a turbine or compressor blade ring
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 (en) 1974-03-19
US3795462A (en) 1974-03-05

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