JP5276689B2 - 蒸気タービンエンジンスペーサ - Google Patents

蒸気タービンエンジンスペーサ Download PDF

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Publication number
JP5276689B2
JP5276689B2 JP2011088710A JP2011088710A JP5276689B2 JP 5276689 B2 JP5276689 B2 JP 5276689B2 JP 2011088710 A JP2011088710 A JP 2011088710A JP 2011088710 A JP2011088710 A JP 2011088710A JP 5276689 B2 JP5276689 B2 JP 5276689B2
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JP
Japan
Prior art keywords
turbine
spacer
rotor
buckets
series
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2011088710A
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English (en)
Japanese (ja)
Other versions
JP2011226478A (ja
JP2011226478A5 (enExample
Inventor
アナンザ・パドマナビャン・ビャガヴァシースワラン
ロヒト・プルティ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JP2011226478A publication Critical patent/JP2011226478A/ja
Publication of JP2011226478A5 publication Critical patent/JP2011226478A5/ja
Application granted granted Critical
Publication of JP5276689B2 publication Critical patent/JP5276689B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • F01D5/066—Connecting means for joining rotor-discs or rotor-elements together, e.g. by a central bolt, by clamps
    • 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
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/084—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades the fluid circulating at the periphery of a multistage rotor, e.g. of drum type
    • 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
    • F01D9/00—Stators
    • F01D9/06—Fluid supply conduits to nozzles or the like
    • F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines
    • 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
    • F05D2220/00—Application
    • F05D2220/70—Application in combination with
    • F05D2220/72—Application in combination with a steam turbine
    • 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
    • F05D2260/232—Heat transfer, e.g. cooling characterized by the cooling medium
    • F05D2260/2322—Heat transfer, e.g. cooling characterized by the cooling medium steam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2011088710A 2010-04-14 2011-04-13 蒸気タービンエンジンスペーサ Expired - Fee Related JP5276689B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/759,811 2010-04-14
US12/759,811 US8376689B2 (en) 2010-04-14 2010-04-14 Turbine engine spacer

Publications (3)

Publication Number Publication Date
JP2011226478A JP2011226478A (ja) 2011-11-10
JP2011226478A5 JP2011226478A5 (enExample) 2013-02-28
JP5276689B2 true JP5276689B2 (ja) 2013-08-28

Family

ID=44244833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011088710A Expired - Fee Related JP5276689B2 (ja) 2010-04-14 2011-04-13 蒸気タービンエンジンスペーサ

Country Status (4)

Country Link
US (1) US8376689B2 (enExample)
EP (1) EP2378070B1 (enExample)
JP (1) JP5276689B2 (enExample)
RU (1) RU2011113993A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8961132B2 (en) * 2011-10-28 2015-02-24 United Technologies Corporation Secondary flow arrangement for slotted rotor
US8992168B2 (en) * 2011-10-28 2015-03-31 United Technologies Corporation Rotating vane seal with cooling air passages
US9528376B2 (en) * 2012-09-13 2016-12-27 General Electric Company Compressor fairing segment
US9441639B2 (en) * 2013-05-13 2016-09-13 General Electric Company Compressor rotor heat shield
JP6519479B2 (ja) 2013-11-15 2019-05-29 日本電気株式会社 周波数偏差補償方式および周波数偏差補償方法
US10837288B2 (en) 2014-09-17 2020-11-17 Raytheon Technologies Corporation Secondary flowpath system for a gas turbine engine
DE102014224844A1 (de) * 2014-12-04 2016-06-09 Siemens Aktiengesellschaft Rotor, Axialverdichter, Verfahren zur Montage
BE1023233B1 (fr) * 2015-07-01 2017-01-05 Safran Aero Boosters S.A. Tambour perfore de compresseur de turbomachine axiale

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52103204U (enExample) * 1976-02-04 1977-08-05
JPS5361501U (enExample) * 1976-10-26 1978-05-25
JPS57168005A (en) * 1981-04-10 1982-10-16 Hitachi Ltd Rotor structue for axial machines
JPS6093101A (ja) * 1983-10-28 1985-05-24 Hitachi Ltd 蒸気タ−ビンのロ−タの温度上昇防止装置
DE3606597C1 (de) * 1986-02-28 1987-02-19 Mtu Muenchen Gmbh Schaufel- und Dichtspaltoptimierungseinrichtung fuer Verdichter von Gasturbinentriebwerken
JP3780608B2 (ja) * 1997-03-19 2006-05-31 株式会社日立製作所 ガスタービン
JP3901828B2 (ja) * 1998-02-17 2007-04-04 三菱重工業株式会社 蒸気冷却ガスタービン
FR2825748B1 (fr) * 2001-06-07 2003-11-07 Snecma Moteurs Agencement de rotor de turbomachine a deux disques aubages separes par une entretoise
US6558118B1 (en) * 2001-11-01 2003-05-06 General Electric Company Bucket dovetail bridge member and method for eliminating thermal bowing of steam turbine rotors
US7017349B2 (en) * 2003-02-05 2006-03-28 Mitsubishi Heavy Industries, Ltd. Gas turbine and bleeding method thereof
EP1452688A1 (de) * 2003-02-05 2004-09-01 Siemens Aktiengesellschaft Dampfturbinenrotor sowie Verfahren und Verwendung einer aktiven Kühlung eines Dampfturbinenrotors
US20070065273A1 (en) * 2005-09-22 2007-03-22 General Electric Company Methods and apparatus for double flow turbine first stage cooling
GB0603030D0 (en) * 2006-02-15 2006-03-29 Rolls Royce Plc Gas turbine engine rotor ventilation arrangement
US8348608B2 (en) * 2009-10-14 2013-01-08 General Electric Company Turbomachine rotor cooling

Also Published As

Publication number Publication date
EP2378070B1 (en) 2018-07-18
US20110255977A1 (en) 2011-10-20
EP2378070A3 (en) 2014-09-24
RU2011113993A (ru) 2012-10-20
JP2011226478A (ja) 2011-11-10
US8376689B2 (en) 2013-02-19
EP2378070A2 (en) 2011-10-19

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