EA008156B1 - Ступень давления паровой/газовой турбины с универсальным бандажом - Google Patents

Ступень давления паровой/газовой турбины с универсальным бандажом Download PDF

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Publication number
EA008156B1
EA008156B1 EA200501572A EA200501572A EA008156B1 EA 008156 B1 EA008156 B1 EA 008156B1 EA 200501572 A EA200501572 A EA 200501572A EA 200501572 A EA200501572 A EA 200501572A EA 008156 B1 EA008156 B1 EA 008156B1
Authority
EA
Eurasian Patent Office
Prior art keywords
holes
named
bandage
steam
band
Prior art date
Application number
EA200501572A
Other languages
English (en)
Russian (ru)
Other versions
EA200501572A1 (ru
Inventor
Олег Налётов
Владлен Зитин
Original Assignee
Олег Налётов
Владлен Зитин
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 Олег Налётов, Владлен Зитин filed Critical Олег Налётов
Publication of EA200501572A1 publication Critical patent/EA200501572A1/ru
Publication of EA008156B1 publication Critical patent/EA008156B1/ru

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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/007—Preventing corrosion
    • 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
    • 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
    • F05D2260/602—Drainage
    • 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
    • F05D2260/95—Preventing corrosion
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
EA200501572A 2003-04-18 2003-04-18 Ступень давления паровой/газовой турбины с универсальным бандажом EA008156B1 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/012102 WO2004099572A1 (en) 2003-04-18 2003-04-18 Steam/gas turbine pressure stage with universal shroud

Publications (2)

Publication Number Publication Date
EA200501572A1 EA200501572A1 (ru) 2006-08-25
EA008156B1 true EA008156B1 (ru) 2007-04-27

Family

ID=33434336

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200501572A EA008156B1 (ru) 2003-04-18 2003-04-18 Ступень давления паровой/газовой турбины с универсальным бандажом

Country Status (10)

Country Link
EP (1) EP1623097A4 (uk)
JP (1) JP4195882B2 (uk)
CN (1) CN100386502C (uk)
AU (1) AU2003228590B2 (uk)
BR (1) BR0318261A (uk)
CA (1) CA2562712C (uk)
EA (1) EA008156B1 (uk)
HK (1) HK1092853A1 (uk)
UA (1) UA81314C2 (uk)
WO (1) WO2004099572A1 (uk)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534701A (en) * 1982-06-29 1985-08-13 Gerhard Wisser Rotor or guide wheel of a turbine engine with shroud ring
US5154581A (en) * 1990-05-11 1992-10-13 Mtu Motoren- Und Turbinen- Union Munchen Gmbh Shroud band for a rotor wheel having integral rotor blades
US6142739A (en) * 1996-04-12 2000-11-07 Rolls-Royce Plc Turbine rotor blades
US6340284B1 (en) * 1998-12-24 2002-01-22 Alstom (Switzerland) Ltd Turbine blade with actively cooled shroud-band element

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE893649C (de) * 1940-05-04 1953-10-19 Siemens Ag Einrichtung an Dampf- oder Gasturbinenbeschaufelungen
FR2166494A5 (uk) * 1971-12-27 1973-08-17 Onera (Off Nat Aerospatiale)
SU663861A1 (ru) * 1977-08-23 1979-05-25 Ленинградский Ордена Ленина Политехнический Институт Им.М.И.Калинина Рабочее колесо осевой турбины
JPS55146201A (en) * 1979-05-04 1980-11-14 Hitachi Ltd Moving blade for turbine
DE3505491A1 (de) * 1985-02-16 1986-08-21 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Dichtung fuer eine stroemungsmaschine
FR2661944B1 (fr) * 1990-05-14 1994-06-10 Alsthom Gec Etage de turbomachine avec pertes secondaires reduites.
FR2666846B1 (fr) * 1990-09-13 1992-10-16 Alsthom Gec Grille d'aubes pour turbomachine munie de fentes d'aspiration dans le plafond et/ou dans le plancher et turbomachine comportant ces grilles.
US5224713A (en) * 1991-08-28 1993-07-06 General Electric Company Labyrinth seal with recirculating means for reducing or eliminating parasitic leakage through the seal
EP0844369B1 (en) * 1996-11-23 2002-01-30 ROLLS-ROYCE plc A bladed rotor and surround assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534701A (en) * 1982-06-29 1985-08-13 Gerhard Wisser Rotor or guide wheel of a turbine engine with shroud ring
US5154581A (en) * 1990-05-11 1992-10-13 Mtu Motoren- Und Turbinen- Union Munchen Gmbh Shroud band for a rotor wheel having integral rotor blades
US6142739A (en) * 1996-04-12 2000-11-07 Rolls-Royce Plc Turbine rotor blades
US6340284B1 (en) * 1998-12-24 2002-01-22 Alstom (Switzerland) Ltd Turbine blade with actively cooled shroud-band element

Also Published As

Publication number Publication date
EP1623097A1 (en) 2006-02-08
EA200501572A1 (ru) 2006-08-25
JP2006523792A (ja) 2006-10-19
AU2003228590A1 (en) 2004-11-26
JP4195882B2 (ja) 2008-12-17
CA2562712C (en) 2011-05-31
CA2562712A1 (en) 2004-11-18
AU2003228590B2 (en) 2010-01-07
UA81314C2 (en) 2007-12-25
CN100386502C (zh) 2008-05-07
HK1092853A1 (en) 2007-02-16
CN1788142A (zh) 2006-06-14
EP1623097A4 (en) 2012-06-27
BR0318261A (pt) 2006-05-23
WO2004099572A1 (en) 2004-11-18

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ KG MD TJ TM

MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): BY KZ RU