IT1093931B - Perfezionamenti nei sistemi di tenuta per rotori - Google Patents

Perfezionamenti nei sistemi di tenuta per rotori

Info

Publication number
IT1093931B
IT1093931B IT21656/78A IT2165678A IT1093931B IT 1093931 B IT1093931 B IT 1093931B IT 21656/78 A IT21656/78 A IT 21656/78A IT 2165678 A IT2165678 A IT 2165678A IT 1093931 B IT1093931 B IT 1093931B
Authority
IT
Italy
Prior art keywords
rotors
sealing systems
sealing
systems
Prior art date
Application number
IT21656/78A
Other languages
English (en)
Other versions
IT7821656A0 (it
Original Assignee
Rolls Royce
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 filed Critical Rolls Royce
Publication of IT7821656A0 publication Critical patent/IT7821656A0/it
Application granted granted Critical
Publication of IT1093931B publication Critical patent/IT1093931B/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
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00—Restoring or reconditioning objects
    • B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IT21656/78A 1977-03-26 1978-03-24 Perfezionamenti nei sistemi di tenuta per rotori IT1093931B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12841/77A GB1560974A (en) 1977-03-26 1977-03-26 Sealing system for rotors

Publications (2)

Publication Number Publication Date
IT7821656A0 IT7821656A0 (it) 1978-03-24
IT1093931B true IT1093931B (it) 1985-07-26

Family

ID=10012118

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21656/78A IT1093931B (it) 1977-03-26 1978-03-24 Perfezionamenti nei sistemi di tenuta per rotori

Country Status (6)

Country Link
US (1) US4161318A (it)
JP (1) JPS53143813A (it)
DE (1) DE2812051C3 (it)
FR (1) FR2384949A1 (it)
GB (1) GB1560974A (it)
IT (1) IT1093931B (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311431A (en) * 1978-11-08 1982-01-19 Teledyne Industries, Inc. Turbine engine with shroud cooling means
FR2519374B1 (fr) * 1982-01-07 1986-01-24 Snecma Dispositif de refroidissement des talons d'aubes mobiles d'une turbine
DE3413628C2 (de) * 1983-04-25 1996-09-19 Gen Electric Spaltdichtung für eine Dampfturbine
JPS6123804A (ja) * 1984-07-10 1986-02-01 Hitachi Ltd タ−ビン段落構造
GB2170867B (en) * 1985-02-12 1988-12-07 Rolls Royce Improvements in or relating to gas turbine engines
JPS6345402A (ja) * 1986-08-11 1988-02-26 Nagasu Hideo 流体機械
US4752185A (en) * 1987-08-03 1988-06-21 General Electric Company Non-contacting flowpath seal
JPH10266804A (ja) * 1997-03-26 1998-10-06 Mitsubishi Heavy Ind Ltd チップシュラウド翼キャビティ
US6027306A (en) * 1997-06-23 2000-02-22 General Electric Company Turbine blade tip flow discouragers
DE59710621D1 (de) * 1997-09-19 2003-09-25 Alstom Switzerland Ltd Vorrichtung zur Spaltdichtung
US6179556B1 (en) 1999-06-01 2001-01-30 General Electric Company Turbine blade tip with offset squealer
US6942445B2 (en) * 2003-12-04 2005-09-13 Honeywell International Inc. Gas turbine cooled shroud assembly with hot gas ingestion suppression
EP2055902A1 (en) * 2007-10-31 2009-05-06 Siemens Aktiengesellschaft Turbine for a thermal power plant comprising a rotor bucket and a guide bucket
US8317465B2 (en) * 2009-07-02 2012-11-27 General Electric Company Systems and apparatus relating to turbine engines and seals for turbine engines
US8333557B2 (en) * 2009-10-14 2012-12-18 General Electric Company Vortex chambers for clearance flow control
EP2390466B1 (en) * 2010-05-27 2018-04-25 Ansaldo Energia IP UK Limited A cooling arrangement for a gas turbine
EP2508713A1 (en) * 2011-04-04 2012-10-10 Siemens Aktiengesellschaft Gas turbine comprising a heat shield and method of operation
US8876484B2 (en) 2011-08-05 2014-11-04 Hamilton Sundstrand Corporation Turbine blade pocket pin stress relief
JP5567077B2 (ja) * 2012-08-23 2014-08-06 三菱重工業株式会社 回転機械
US20150192029A1 (en) * 2012-09-20 2015-07-09 General Electric Company Turbomachine blade tip insert
EP2713009B1 (en) * 2012-09-26 2015-03-11 Alstom Technology Ltd Cooling method and system for cooling blades of at least one blade row in a rotary flow machine
US9845683B2 (en) * 2013-01-08 2017-12-19 United Technology Corporation Gas turbine engine rotor blade
JP6131177B2 (ja) * 2013-12-03 2017-05-17 三菱重工業株式会社 シール構造、及び回転機械
JP5852191B2 (ja) * 2014-07-30 2016-02-03 三菱重工業株式会社 端壁部材及びガスタービン
JP5852190B2 (ja) * 2014-07-30 2016-02-03 三菱重工業株式会社 端壁部材及びガスタービン
JP6412960B2 (ja) * 2015-01-27 2018-10-24 三菱日立パワーシステムズ株式会社 回転機械
JP6209199B2 (ja) * 2015-12-09 2017-10-04 三菱日立パワーシステムズ株式会社 シールフィン，シール構造，ターボ機械及びシールフィンの製造方法
US10408077B2 (en) * 2017-01-26 2019-09-10 United Tehnologies Corporation Gas turbine seal
FR3100271B1 (fr) * 2019-09-04 2022-08-26 Safran Aircraft Engines Aube de turbomachine comportant un talon pourvu d’un becquet à plateforme déportée

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685429A (en) * 1950-01-31 1954-08-03 Gen Electric Dynamic sealing arrangement for turbomachines
DE1033678B (de) * 1954-12-21 1958-07-10 Maschf Augsburg Nuernberg Ag Deckband fuer Stroemungsmaschinen-Laufschaufeln
GB825067A (en) * 1955-09-09 1959-12-09 Specialties Dev Corp Sphere winding machine
GB804922A (en) * 1956-01-13 1958-11-26 Rolls Royce Improvements in or relating to axial-flow fluid machines for example compressors andturbines
FR1163559A (fr) * 1956-12-21 1958-09-29 Bertin & Cie Perfectionnement aux turbines
FR1193436A (fr) * 1957-03-25 1959-11-03 Gen Electric Joint d'étanchéité sous pression formant un palier à air
US2963268A (en) * 1957-03-25 1960-12-06 Gen Electric Pressurized seal
US2988325A (en) * 1957-07-18 1961-06-13 Rolls Royce Rotary fluid machine with means supplying fluid to rotor blade passages
GB867600A (en) * 1957-11-13 1961-05-10 Gen Electric Improvements in the rotor and stator construction of gas turbine engines
FR1262633A (fr) * 1960-04-19 1961-06-05 Rateau Soc Dispositif pour diminuer l'échauffement des turbines
US3096930A (en) * 1961-06-26 1963-07-09 Meyerhoff Leonard Propeller design
GB1047014A (en) * 1962-07-03 1966-11-02 English Electric Co Ltd Improvements in or relating to hydraulic pumps, turbines or reversible pump turbines
US3189320A (en) * 1963-04-29 1965-06-15 Westinghouse Electric Corp Method of cooling turbine rotors and discs
US3279378A (en) * 1964-12-02 1966-10-18 Dominion Eng Works Ltd Starting means for an hydraulic pump
GB1152331A (en) * 1966-05-18 1969-05-14 Rolls Royce Improvements in Gas Turbine Blade Cooling
US3597102A (en) * 1968-06-10 1971-08-03 English Electric Co Ltd Turbines
US3575523A (en) * 1968-12-05 1971-04-20 Us Navy Labyrinth seal for axial flow fluid machines
US3756740A (en) * 1971-08-11 1973-09-04 M Deich Turbine stage
US3927951A (en) * 1973-09-08 1975-12-23 Tokyo Shibaura Electric Co Water turbine
DE2520653C3 (de) * 1974-03-21 1980-02-21 Maschinenfabrik Augsburg-Nuernberg Ag, 8500 Nuernberg Einrichtung zum dynamischen Stabilisieren des Laufers einer Gas- oder Dampfturbine
DE2413655C3 (de) * 1974-03-21 1978-05-03 Maschinenfabrik Augsburg-Nuernberg Ag, 8500 Nuernberg Einrichtung zum dynamischen Stabilisieren des Läufers einer Gas- oder Dampfturbine

Also Published As

Publication number Publication date
DE2812051A1 (de) 1978-09-28
FR2384949A1 (fr) 1978-10-20
DE2812051B2 (de) 1979-11-29
IT7821656A0 (it) 1978-03-24
GB1560974A (en) 1980-02-13
JPS53143813A (en) 1978-12-14
FR2384949B1 (it) 1983-02-18
DE2812051C3 (de) 1980-08-07
US4161318A (en) 1979-07-17

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