RU2547128C2 - Турбинная лопатка (варианты) и ротор - Google Patents

Турбинная лопатка (варианты) и ротор Download PDF

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Publication number
RU2547128C2
RU2547128C2 RU2010145978/06A RU2010145978A RU2547128C2 RU 2547128 C2 RU2547128 C2 RU 2547128C2 RU 2010145978/06 A RU2010145978/06 A RU 2010145978/06A RU 2010145978 A RU2010145978 A RU 2010145978A RU 2547128 C2 RU2547128 C2 RU 2547128C2
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RU
Russia
Prior art keywords
blade
elongated
elongated blade
front surface
flat element
Prior art date
Application number
RU2010145978/06A
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English (en)
Russian (ru)
Other versions
RU2010145978A (ru
Inventor
Алан Ричард ДЕМАНИЯ
Тимоти Ф. УЭНДЕЛЛ
Гэри Дж. ЙЕТТО
Original Assignee
Дженерал Электрик Компани
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 Дженерал Электрик Компани filed Critical Дженерал Электрик Компани
Publication of RU2010145978A publication Critical patent/RU2010145978A/ru
Application granted granted Critical
Publication of RU2547128C2 publication Critical patent/RU2547128C2/ru

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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
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/33—Shrouds which are part of or which are rotating with the rotor
    • 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
    • F05D2240/00—Components
    • F05D2240/80—Platforms for stationary or moving blades
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
RU2010145978/06A 2009-11-12 2010-11-11 Турбинная лопатка (варианты) и ротор RU2547128C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/617,683 2009-11-12
US12/617,683 US8277189B2 (en) 2009-11-12 2009-11-12 Turbine blade and rotor

Publications (2)

Publication Number Publication Date
RU2010145978A RU2010145978A (ru) 2012-05-20
RU2547128C2 true RU2547128C2 (ru) 2015-04-10

Family

ID=43567794

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2010145978/06A RU2547128C2 (ru) 2009-11-12 2010-11-11 Турбинная лопатка (варианты) и ротор

Country Status (4)

Country Link
US (1) US8277189B2 (enExample)
EP (1) EP2322761B1 (enExample)
JP (1) JP2011106449A (enExample)
RU (1) RU2547128C2 (enExample)

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WO2011090083A1 (ja) * 2010-01-20 2011-07-28 三菱重工業株式会社 タービン動翼及びターボ機械
US8888459B2 (en) * 2011-08-23 2014-11-18 General Electric Company Coupled blade platforms and methods of sealing
US9909425B2 (en) 2011-10-31 2018-03-06 Pratt & Whitney Canada Corporation Blade for a gas turbine engine
CA146333S (en) * 2012-02-02 2013-02-07 Novenco As Ventilator blade
EP2669477B1 (en) * 2012-05-31 2017-04-05 General Electric Technology GmbH Shroud for airfoils
US20140044556A1 (en) * 2012-08-07 2014-02-13 General Electric Company Last stage blade including a plurality of leading edge indentations
US9581170B2 (en) * 2013-03-15 2017-02-28 Honeywell International Inc. Methods of designing and making diffuser vanes in a centrifugal compressor
EP2918784A1 (de) * 2014-03-13 2015-09-16 Siemens Aktiengesellschaft Schaufelfuß für eine Turbinenschaufel
US20180179952A1 (en) * 2016-12-23 2018-06-28 General Electric Company Rotating detonation engine and method of operating same

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US4714410A (en) * 1986-08-18 1987-12-22 Westinghouse Electric Corp. Trailing edge support for control stage steam turbine blade
US6030178A (en) * 1998-09-14 2000-02-29 General Electric Co. Axial entry dovetail segment for securing a closure bucket to a turbine wheel and methods of installation
RU2311537C2 (ru) * 2000-03-23 2007-11-27 Альстом Текнолоджи Лтд Крепление лопаток лопастной машины
US7318699B2 (en) * 2005-05-31 2008-01-15 General Electric Company Moisture removal grooves on steam turbine buckets and covers and methods of manufacture

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US5277549A (en) 1992-03-16 1994-01-11 Westinghouse Electric Corp. Controlled reaction L-2R steam turbine blade
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KR101120578B1 (ko) * 2007-09-11 2012-03-09 가부시키가이샤 히타치세이사쿠쇼 증기터빈 동익 조립체
US7901523B2 (en) * 2007-11-16 2011-03-08 General Electric Company Uniform heat treatment process for hardening steel
US8047796B2 (en) * 2007-11-16 2011-11-01 General Electric Company Dovetail attachment for use with turbine assemblies and methods of assembling turbine assemblies
JP2010053822A (ja) * 2008-08-29 2010-03-11 Toshiba Corp タービン動翼および蒸気タービン
US8052393B2 (en) * 2008-09-08 2011-11-08 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714410A (en) * 1986-08-18 1987-12-22 Westinghouse Electric Corp. Trailing edge support for control stage steam turbine blade
US6030178A (en) * 1998-09-14 2000-02-29 General Electric Co. Axial entry dovetail segment for securing a closure bucket to a turbine wheel and methods of installation
RU2311537C2 (ru) * 2000-03-23 2007-11-27 Альстом Текнолоджи Лтд Крепление лопаток лопастной машины
US7318699B2 (en) * 2005-05-31 2008-01-15 General Electric Company Moisture removal grooves on steam turbine buckets and covers and methods of manufacture

Also Published As

Publication number Publication date
EP2322761A3 (en) 2013-10-09
EP2322761A2 (en) 2011-05-18
US20110110784A1 (en) 2011-05-12
JP2011106449A (ja) 2011-06-02
US8277189B2 (en) 2012-10-02
RU2010145978A (ru) 2012-05-20
EP2322761B1 (en) 2021-03-03

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20201112