CZ301677B6 - Turbína s tesnením prutokového kanálu a usmernovaci toku - Google Patents

Turbína s tesnením prutokového kanálu a usmernovaci toku Download PDF

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Publication number
CZ301677B6
CZ301677B6 CZ20032964A CZ20032964A CZ301677B6 CZ 301677 B6 CZ301677 B6 CZ 301677B6 CZ 20032964 A CZ20032964 A CZ 20032964A CZ 20032964 A CZ20032964 A CZ 20032964A CZ 301677 B6 CZ301677 B6 CZ 301677B6
Authority
CZ
Czechia
Prior art keywords
flow
turbine
nozzles
rotor
root
Prior art date
Application number
CZ20032964A
Other languages
Czech (cs)
English (en)
Other versions
CZ20032964A3 (cs
Inventor
Carol Farrell@Alison
Carl Hofer@Douglas
Douglas Lathrop@Norman
Kenneth Overbaugh@Raymond
Thomas Parry@William
James Robertson@Kenneth
Original Assignee
General Electric Company
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 Company filed Critical General Electric Company
Publication of CZ20032964A3 publication Critical patent/CZ20032964A3/cs
Publication of CZ301677B6 publication Critical patent/CZ301677B6/cs

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
    • F01D5/08—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
    • 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
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
CZ20032964A 2002-10-31 2003-10-30 Turbína s tesnením prutokového kanálu a usmernovaci toku CZ301677B6 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/284,358 US6779972B2 (en) 2002-10-31 2002-10-31 Flowpath sealing and streamlining configuration for a turbine

Publications (2)

Publication Number Publication Date
CZ20032964A3 CZ20032964A3 (cs) 2004-11-10
CZ301677B6 true CZ301677B6 (cs) 2010-05-19

Family

ID=32174855

Family Applications (1)

Application Number Title Priority Date Filing Date
CZ20032964A CZ301677B6 (cs) 2002-10-31 2003-10-30 Turbína s tesnením prutokového kanálu a usmernovaci toku

Country Status (7)

Country Link
US (1) US6779972B2 (enExample)
JP (1) JP5220259B2 (enExample)
KR (1) KR100897658B1 (enExample)
CN (1) CN100383364C (enExample)
CZ (1) CZ301677B6 (enExample)
DE (1) DE10350626B4 (enExample)
RU (1) RU2331777C2 (enExample)

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DE10318852A1 (de) * 2003-04-25 2004-11-11 Rolls-Royce Deutschland Ltd & Co Kg Hauptgaskanal-Innendichtung einer Hochdruckturbine
US20060088409A1 (en) * 2004-10-21 2006-04-27 General Electric Company Grouped reaction nozzle tip shrouds with integrated seals
US7484358B2 (en) * 2005-06-17 2009-02-03 Gm Global Technology Operations, Inc. Continuous reforming of diesel fuel for NOx reduction
US7465152B2 (en) 2005-09-16 2008-12-16 General Electric Company Angel wing seals for turbine blades and methods for selecting stator, rotor and wing seal profiles
JP4764219B2 (ja) * 2006-03-17 2011-08-31 三菱重工業株式会社 ガスタービンのシール構造
EP2055901A1 (en) * 2007-10-31 2009-05-06 Siemens Aktiengesellschaft Guide bucket for a turbine of a thermal power plant having a foot section
US8167535B2 (en) * 2008-07-24 2012-05-01 General Electric Company System and method for providing supercritical cooling steam into a wheelspace of a turbine
US20100232939A1 (en) * 2009-03-12 2010-09-16 General Electric Company Machine Seal Assembly
EP2423435A1 (en) 2010-08-30 2012-02-29 Siemens Aktiengesellschaft Blade for a turbo machine
RU2564741C2 (ru) * 2011-07-01 2015-10-10 Альстом Текнолоджи Лтд Лопатка турбины и ротор турбины
CN102269016A (zh) * 2011-07-09 2011-12-07 潍坊雷诺特动力设备有限公司 一种蒸汽动力装置的隔板汽封
US9097128B2 (en) * 2012-02-28 2015-08-04 General Electric Company Seals for rotary devices and methods of producing the same
US9057275B2 (en) * 2012-06-04 2015-06-16 Geneal Electric Company Nozzle diaphragm inducer
US9453417B2 (en) 2012-10-02 2016-09-27 General Electric Company Turbine intrusion loss reduction system
GB201220972D0 (en) 2012-11-22 2013-01-02 Rolls Royce Deutschland Aeroengine sealing arrangement
CN103899364B (zh) * 2012-12-26 2015-12-02 中航商用航空发动机有限责任公司 航空发动机高压涡轮的轮缘密封结构、高压涡轮及发动机
US9039357B2 (en) * 2013-01-23 2015-05-26 Siemens Aktiengesellschaft Seal assembly including grooves in a radially outwardly facing side of a platform in a gas turbine engine
US9644483B2 (en) 2013-03-01 2017-05-09 General Electric Company Turbomachine bucket having flow interrupter and related turbomachine
JP5951534B2 (ja) * 2013-03-13 2016-07-13 株式会社東芝 蒸気タービン
US20150040567A1 (en) * 2013-08-08 2015-02-12 General Electric Company Systems and Methods for Reducing or Limiting One or More Flows Between a Hot Gas Path and a Wheel Space of a Turbine
US11021976B2 (en) 2014-12-22 2021-06-01 Raytheon Technologies Corporation Hardware geometry for increasing part overlap and maintaining clearance
US20170175752A1 (en) * 2015-12-21 2017-06-22 General Electric Company Thrust compensation system for fluid transport devices
US10443422B2 (en) 2016-02-10 2019-10-15 General Electric Company Gas turbine engine with a rim seal between the rotor and stator
CN107605542B (zh) * 2016-07-11 2022-05-20 北京航空航天大学 一种高效低阻燃气轮机涡轮轮缘封严结构

Citations (5)

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Publication number Priority date Publication date Assignee Title
US2857132A (en) * 1952-02-19 1958-10-21 Gen Motors Corp Turbine wheel
US4457668A (en) * 1981-04-07 1984-07-03 S.N.E.C.M.A. Gas turbine stages of turbojets with devices for the air cooling of the turbine wheel disc
RU2036312C1 (ru) * 1991-07-16 1995-05-27 Акционерное общество открытого типа "Авиадвигатель" Уплотнительное устройство за компрессором турбореактивного двухконтурного двигателя
RU2039879C1 (ru) * 1993-04-09 1995-07-20 Иван Николаевич Алешков Двигательно-насосное устройство
US5816776A (en) * 1996-02-08 1998-10-06 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Labyrinth disk with built-in stiffener for turbomachine rotor

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NL192865A (enExample) * 1953-12-02
GB1364511A (en) * 1971-08-11 1974-08-21 Mo Energeticheskij Institut Turbines
JPS5669402A (en) * 1979-11-09 1981-06-10 Hitachi Ltd Structure of blade train with shroud
JPS59208104A (ja) * 1983-05-12 1984-11-26 Toshiba Corp タ−ビン翼車
JPH03108801U (enExample) * 1990-02-26 1991-11-08
FR2661946B1 (fr) * 1990-05-14 1994-06-10 Alsthom Gec Etage de turbine a action avec pertes secondaires reduites.
US6131910A (en) * 1992-11-19 2000-10-17 General Electric Co. Brush seals and combined labyrinth and brush seals for rotary machines
JPH10252412A (ja) * 1997-03-12 1998-09-22 Mitsubishi Heavy Ind Ltd ガスタービンシール装置
JP3327814B2 (ja) * 1997-06-18 2002-09-24 三菱重工業株式会社 ガスタービンのシール装置
US6036437A (en) * 1998-04-03 2000-03-14 General Electric Co. Bucket cover geometry for brush seal applications
US6168377B1 (en) * 1999-01-27 2001-01-02 General Electric Co. Method and apparatus for eliminating thermal bowing of steam turbine rotors
KR20020045618A (ko) * 2000-09-20 2002-06-19 제이 엘. 차스킨, 버나드 스나이더, 아더엠. 킹 증기형 가스 터빈 소조립체 및 증기형 가스 터빈의 성능향상 방법
US6431827B1 (en) * 2000-12-21 2002-08-13 General Electric Company Bucket tip brush seals in steam turbines and methods of installation
US6589012B2 (en) * 2001-09-24 2003-07-08 General Electric Company Method and apparatus for eliminating thermal bowing using brush seals in the diaphragm packing area of steam turbines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857132A (en) * 1952-02-19 1958-10-21 Gen Motors Corp Turbine wheel
US4457668A (en) * 1981-04-07 1984-07-03 S.N.E.C.M.A. Gas turbine stages of turbojets with devices for the air cooling of the turbine wheel disc
RU2036312C1 (ru) * 1991-07-16 1995-05-27 Акционерное общество открытого типа "Авиадвигатель" Уплотнительное устройство за компрессором турбореактивного двухконтурного двигателя
RU2039879C1 (ru) * 1993-04-09 1995-07-20 Иван Николаевич Алешков Двигательно-насосное устройство
US5816776A (en) * 1996-02-08 1998-10-06 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Labyrinth disk with built-in stiffener for turbomachine rotor

Also Published As

Publication number Publication date
US20040086379A1 (en) 2004-05-06
JP5220259B2 (ja) 2013-06-26
KR20040038815A (ko) 2004-05-08
DE10350626B4 (de) 2014-12-11
US6779972B2 (en) 2004-08-24
RU2331777C2 (ru) 2008-08-20
CZ20032964A3 (cs) 2004-11-10
KR100897658B1 (ko) 2009-05-14
RU2003131958A (ru) 2005-04-10
CN100383364C (zh) 2008-04-23
JP2004150435A (ja) 2004-05-27
CN1499044A (zh) 2004-05-26
DE10350626A1 (de) 2004-05-19

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Legal Events

Date Code Title Description
MM4A Patent lapsed due to non-payment of fee

Effective date: 20191030