EP3207220A4 - A stator mechanism, a turbine and a method for maintenance of the stator mechanism - Google Patents

A stator mechanism, a turbine and a method for maintenance of the stator mechanism Download PDF

Info

Publication number
EP3207220A4
EP3207220A4 EP15850886.1A EP15850886A EP3207220A4 EP 3207220 A4 EP3207220 A4 EP 3207220A4 EP 15850886 A EP15850886 A EP 15850886A EP 3207220 A4 EP3207220 A4 EP 3207220A4
Authority
EP
European Patent Office
Prior art keywords
stator mechanism
turbine
maintenance
stator
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Withdrawn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
EP15850886.1A
Other languages
German (de)
French (fr)
Other versions
EP3207220A1 (en
Inventor
Jaakko Larjola
Aki GRÖNMAN
Esa SAARI
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.)
Lappeenrannan Teknillinen Yliopisto
Original Assignee
Lappeenrannan Teknillinen Yliopisto
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 Lappeenrannan Teknillinen Yliopisto filed Critical Lappeenrannan Teknillinen Yliopisto
Publication of EP3207220A1 publication Critical patent/EP3207220A1/en
Publication of EP3207220A4 publication Critical patent/EP3207220A4/en
Withdrawn legal-status Critical Current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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
    • 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
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/002—Cleaning of turbomachines
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/72—Maintenance
    • 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
    • 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
    • F05D2260/60—Fluid transfer
    • F05D2260/607—Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP15850886.1A 2014-10-17 2015-10-16 A stator mechanism, a turbine and a method for maintenance of the stator mechanism Withdrawn EP3207220A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20145913A FI20145913A (en) 2014-10-17 2014-10-17 Statormekanism
PCT/FI2015/050704 WO2016059300A1 (en) 2014-10-17 2015-10-16 A stator mechanism, a turbine and a method for maintenance of the stator mechanism

Publications (2)

Publication Number Publication Date
EP3207220A1 EP3207220A1 (en) 2017-08-23
EP3207220A4 true EP3207220A4 (en) 2018-10-24

Family

ID=55746179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15850886.1A Withdrawn EP3207220A4 (en) 2014-10-17 2015-10-16 A stator mechanism, a turbine and a method for maintenance of the stator mechanism

Country Status (3)

Country Link
EP (1) EP3207220A4 (en)
FI (1) FI20145913A (en)
WO (1) WO2016059300A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11092167B2 (en) 2018-08-28 2021-08-17 Pratt & Whitney Canada Corp. Variable vane actuating system
US11092032B2 (en) 2018-08-28 2021-08-17 Pratt & Whitney Canada Corp. Variable vane actuating system
US11371380B2 (en) 2020-12-01 2022-06-28 Pratt & Whitney Canada Corp. Variable guide vane assembly and vane arms therefor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314654A (en) * 1965-07-30 1967-04-18 Gen Electric Variable area turbine nozzle for axial flow gas turbine engines
US20130115056A1 (en) * 2011-11-04 2013-05-09 Mitsubishi Heavy Industries, Ltd. Link mechanism, and variable turbine vane driving unit having the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014137468A1 (en) * 2013-03-07 2014-09-12 Rolls-Royce Canada, Ltd. Gas turbine engine comprising an outboard insertion system of vanes and corresponding assembling method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314654A (en) * 1965-07-30 1967-04-18 Gen Electric Variable area turbine nozzle for axial flow gas turbine engines
US20130115056A1 (en) * 2011-11-04 2013-05-09 Mitsubishi Heavy Industries, Ltd. Link mechanism, and variable turbine vane driving unit having the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016059300A1 *

Also Published As

Publication number Publication date
WO2016059300A1 (en) 2016-04-21
EP3207220A1 (en) 2017-08-23
FI20145913A (en) 2016-04-18

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Effective date: 20170516

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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

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Extension state: BA ME

DAV Request for validation of the european patent (deleted)
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A4 Supplementary search report drawn up and despatched

Effective date: 20180924

RIC1 Information provided on ipc code assigned before grant

Ipc: F01D 17/16 20060101ALI20180918BHEP

Ipc: F01D 9/04 20060101AFI20180918BHEP

Ipc: F01D 25/00 20060101ALI20180918BHEP

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

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Effective date: 20190424