EP3266984A3 - Laufschaufel und turbine, die die laufschaufel verwendet - Google Patents

Laufschaufel und turbine, die die laufschaufel verwendet Download PDF

Info

Publication number
EP3266984A3
EP3266984A3 EP17170642.7A EP17170642A EP3266984A3 EP 3266984 A3 EP3266984 A3 EP 3266984A3 EP 17170642 A EP17170642 A EP 17170642A EP 3266984 A3 EP3266984 A3 EP 3266984A3
Authority
EP
European Patent Office
Prior art keywords
moving blade
diffuser
turbine
distal end
stationary body
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.)
Withdrawn
Application number
EP17170642.7A
Other languages
English (en)
French (fr)
Other versions
EP3266984A2 (de
Inventor
Senoo SHIGEKI
Fukushima HISATAKA
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.)
Mitsubishi Power Ltd
Original Assignee
Mitsubishi Hitachi Power Systems Ltd
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 Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Publication of EP3266984A2 publication Critical patent/EP3266984A2/de
Publication of EP3266984A3 publication Critical patent/EP3266984A3/de
Withdrawn legal-status Critical Current

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
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between 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
    • 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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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
    • 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
    • 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
    • F01D5/22—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
    • 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
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/321—Application in turbines in gas turbines for a special turbine stage
    • F05D2220/3215—Application in turbines in gas turbines for a special turbine stage the last stage of the turbine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP17170642.7A 2016-07-08 2017-05-11 Laufschaufel und turbine, die die laufschaufel verwendet Withdrawn EP3266984A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016135801A JP2018003812A (ja) 2016-07-08 2016-07-08 動翼およびそれを用いたタービン

Publications (2)

Publication Number Publication Date
EP3266984A2 EP3266984A2 (de) 2018-01-10
EP3266984A3 true EP3266984A3 (de) 2018-01-24

Family

ID=58701534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17170642.7A Withdrawn EP3266984A3 (de) 2016-07-08 2017-05-11 Laufschaufel und turbine, die die laufschaufel verwendet

Country Status (5)

Country Link
US (1) US20180010466A1 (de)
EP (1) EP3266984A3 (de)
JP (1) JP2018003812A (de)
KR (1) KR20180006281A (de)
CN (1) CN107587898A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7267022B2 (ja) * 2019-01-31 2023-05-01 三菱重工業株式会社 回転機械

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050002780A1 (en) * 2003-07-04 2005-01-06 Ishikawajima-Harima Heavy Industries Co., Ltd. Turbine shroud segment
US20100232966A1 (en) * 2009-03-16 2010-09-16 Hitachi, Ltd. Steam turbine
EP2578810A1 (de) * 2010-05-26 2013-04-10 Mitsubishi Heavy Industries, Ltd. Dichtungsstruktur, turbinenmaschine damit sowie kraftwerk mit dieser turbinenmaschine
JP2013113181A (ja) * 2011-11-28 2013-06-10 Mitsubishi Heavy Ind Ltd タービン
EP2657452A1 (de) * 2010-12-22 2013-10-30 Mitsubishi Heavy Industries, Ltd. Turbine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4316168B2 (ja) 2001-08-30 2009-08-19 株式会社東芝 蒸気タービン動翼の翼材料および形状の選定方法と蒸気タービン
US8708639B2 (en) * 2010-10-11 2014-04-29 The Coca-Cola Company Turbine bucket shroud tail
JP2016079919A (ja) * 2014-10-20 2016-05-16 株式会社東芝 動翼及び軸流タービン

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050002780A1 (en) * 2003-07-04 2005-01-06 Ishikawajima-Harima Heavy Industries Co., Ltd. Turbine shroud segment
US20100232966A1 (en) * 2009-03-16 2010-09-16 Hitachi, Ltd. Steam turbine
EP2578810A1 (de) * 2010-05-26 2013-04-10 Mitsubishi Heavy Industries, Ltd. Dichtungsstruktur, turbinenmaschine damit sowie kraftwerk mit dieser turbinenmaschine
EP2657452A1 (de) * 2010-12-22 2013-10-30 Mitsubishi Heavy Industries, Ltd. Turbine
JP2013113181A (ja) * 2011-11-28 2013-06-10 Mitsubishi Heavy Ind Ltd タービン

Also Published As

Publication number Publication date
EP3266984A2 (de) 2018-01-10
US20180010466A1 (en) 2018-01-11
KR20180006281A (ko) 2018-01-17
CN107587898A (zh) 2018-01-16
JP2018003812A (ja) 2018-01-11

Similar Documents

Publication Publication Date Title
EP3106621A3 (de) Strömungsleitende abdeckung für eine motorkomponente
EP3357641A3 (de) Fluidzufuhrrohr
EP3006743A3 (de) Ventilator und verfahren zur kühlung eines motors
EP4279119A3 (de) Blutpumpe
NZ749141A (en) Propeller
EP3092884A3 (de) Fadenschneider mit einstellbarer schutzanordnung
EP2096316A3 (de) Gehäusestrukturierung für Axialverdichter im Nabenbereich
EP2993419A3 (de) Luftreiniger
EP2020509A3 (de) Zentrifugalkompressor, Zentrifugallaufrad und Betriebsverfahren dafür
EP2410165A3 (de) Gasturbine mit variabler lärmdämpfender Gebläsedüse
EP2034178A3 (de) Windturbinenschaufel mit lenkbaren Blättern
EP2787171A3 (de) Schaufelgitter mit Seitenwandkonturierung und Strömungsmaschine
EP2434094A3 (de) Leitschaufel für Dampfturbine und Dampfturbine
EP2390178A3 (de) Drehschaufel mit passivem Ablasskanal
EP2236754A3 (de) Laufschaufel einer Dampfturbine und zugehörige Dampfturbine
WO2015175073A3 (en) Gas turbine engine airfoil
EP2336575A3 (de) Gegenläufiger Axiallüfter
EP2685065A3 (de) Gasturbinenmotor
EP2453139A3 (de) Strömungsvektorsteuerung für Hochgeschwindigkeitskreiselpumpen
EP2484867A3 (de) Drehkomponente eines Turbinenmotors
RU2019100685A (ru) Лопастной пневмодвигатель
EP2458224A3 (de) Verdichterschaufel mit flexiblen Spitzenelementen und zugehöriges Verfahren
EP2617951A3 (de) Deckband einer Dampfturbine zur Drainage von Wassertropfen
EP2853694A3 (de) Dampfturbine
EP3199452A3 (de) Propellerblätter mit eisabstossender beschichtung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

17P Request for examination filed

Effective date: 20170911

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RIC1 Information provided on ipc code assigned before grant

Ipc: F01D 5/20 20060101AFI20171219BHEP

Ipc: F01D 11/08 20060101ALI20171219BHEP

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20180918