EP2312127A4 - Rotor für eine niederdruckturbine - Google Patents

Rotor für eine niederdruckturbine

Info

Publication number
EP2312127A4
EP2312127A4 EP09806066.8A EP09806066A EP2312127A4 EP 2312127 A4 EP2312127 A4 EP 2312127A4 EP 09806066 A EP09806066 A EP 09806066A EP 2312127 A4 EP2312127 A4 EP 2312127A4
Authority
EP
European Patent Office
Prior art keywords
rotor
low
pressure turbine
turbine
pressure
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Withdrawn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
EP09806066.8A
Other languages
English (en)
French (fr)
Other versions
EP2312127A1 (de
Inventor
Shin Nishimoto
Yoshinori Tanaka
Ryuichi Yamamoto
Kenji Kawasaki
Takashi Shige
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 Heavy Industries 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 Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP2312127A1 publication Critical patent/EP2312127A1/de
Publication of EP2312127A4 publication Critical patent/EP2312127A4/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Withdrawn legal-status Critical Current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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • 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
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • 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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
    • F01D1/04—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines traversed by the working-fluid substantially axially
    • 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
    • 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
    • F01D3/00—Machines or engines with axial-thrust balancing effected by working-fluid
    • F01D3/02—Machines or engines with axial-thrust balancing effected by working-fluid characterised by having one fluid flow in one axial direction and another fluid flow in the opposite direction
    • 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
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • F01D5/063—Welded rotors
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
    • F05D2300/132—Chromium
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/177—Ni - Si alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
EP09806066.8A 2008-08-11 2009-07-30 Rotor für eine niederdruckturbine Withdrawn EP2312127A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008207421 2008-08-11
PCT/JP2009/063896 WO2010018773A1 (ja) 2008-08-11 2009-07-30 低圧タービン用ロータ

Publications (2)

Publication Number Publication Date
EP2312127A1 EP2312127A1 (de) 2011-04-20
EP2312127A4 true EP2312127A4 (de) 2015-01-07

Family

ID=41668918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09806066.8A Withdrawn EP2312127A4 (de) 2008-08-11 2009-07-30 Rotor für eine niederdruckturbine

Country Status (6)

Country Link
US (1) US20100202891A1 (de)
EP (1) EP2312127A4 (de)
JP (1) JP4995317B2 (de)
KR (2) KR20130051014A (de)
CN (1) CN101772622A (de)
WO (1) WO2010018773A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012207594A (ja) * 2011-03-30 2012-10-25 Mitsubishi Heavy Ind Ltd 回転機械のロータ及び回転機械
US20130323075A1 (en) * 2012-06-04 2013-12-05 General Electric Company Nickel-chromium-molybdenum-vanadium alloy and turbine component
EP3269924A1 (de) * 2016-07-14 2018-01-17 Siemens Aktiengesellschaft Läuferwelle und verfahren zum herstellen einer läuferwelle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962586A (en) * 1989-11-29 1990-10-16 Westinghouse Electric Corp. Method of making a high temperature - low temperature rotor for turbines
EP0964135A2 (de) * 1998-06-09 1999-12-15 Mitsubishi Heavy Industries, Ltd. Rotor für eine Dampfturbine, der aus verschiedenen Werkstoffen zusammengeschweisst ist
EP1672173A2 (de) * 2004-12-14 2006-06-21 Kabushi Kaisha Toshiba Rotor für eine Niederdruckdampfturbine
WO2007073976A1 (de) * 2005-12-22 2007-07-05 Alstom Technology Ltd Verfahren zum herstellen eines geschweissten rotors einer niederdruck-dampfturbine mittels auftragsschweissen und spannungsarmglühen
EP1860279A1 (de) * 2006-05-26 2007-11-28 Siemens Aktiengesellschaft Geschweisste ND-Turbinenwelle
EP1911932A2 (de) * 2006-10-04 2008-04-16 Kabushiki Kaisha Toshiba Turbinenrotor und Dampfturbine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57126958A (en) * 1981-01-28 1982-08-06 Toshiba Corp Low alloy steel for rotor
JPS57176305A (en) * 1981-04-24 1982-10-29 Hitachi Ltd Steam turbine rotor
JP3315800B2 (ja) * 1994-02-22 2002-08-19 株式会社日立製作所 蒸気タービン発電プラント及び蒸気タービン
JP3905739B2 (ja) * 2001-10-25 2007-04-18 三菱重工業株式会社 タービンロータ用１２Ｃｒ合金鋼、その製造方法及びタービンロータ
JP2003145271A (ja) * 2001-11-13 2003-05-20 Mitsubishi Heavy Ind Ltd 異鋼種溶接方法
JP4783053B2 (ja) * 2005-04-28 2011-09-28 株式会社東芝 蒸気タービン発電設備
JP2007278064A (ja) * 2006-04-03 2007-10-25 Hitachi Ltd 蒸気タービン溶接ロータとその製造方法及び蒸気タービンとその発電プラント
JP4805728B2 (ja) * 2006-05-31 2011-11-02 株式会社東芝 蒸気タービンロータ及び蒸気タービン
JP5011931B2 (ja) * 2006-10-06 2012-08-29 株式会社日立製作所 蒸気タービン溶接ロータ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962586A (en) * 1989-11-29 1990-10-16 Westinghouse Electric Corp. Method of making a high temperature - low temperature rotor for turbines
EP0964135A2 (de) * 1998-06-09 1999-12-15 Mitsubishi Heavy Industries, Ltd. Rotor für eine Dampfturbine, der aus verschiedenen Werkstoffen zusammengeschweisst ist
EP1672173A2 (de) * 2004-12-14 2006-06-21 Kabushi Kaisha Toshiba Rotor für eine Niederdruckdampfturbine
WO2007073976A1 (de) * 2005-12-22 2007-07-05 Alstom Technology Ltd Verfahren zum herstellen eines geschweissten rotors einer niederdruck-dampfturbine mittels auftragsschweissen und spannungsarmglühen
EP1860279A1 (de) * 2006-05-26 2007-11-28 Siemens Aktiengesellschaft Geschweisste ND-Turbinenwelle
EP1911932A2 (de) * 2006-10-04 2008-04-16 Kabushiki Kaisha Toshiba Turbinenrotor und Dampfturbine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010018773A1 *

Also Published As

Publication number Publication date
JP4995317B2 (ja) 2012-08-08
WO2010018773A1 (ja) 2010-02-18
EP2312127A1 (de) 2011-04-20
JPWO2010018773A1 (ja) 2012-01-26
US20100202891A1 (en) 2010-08-12
KR20100033421A (ko) 2010-03-29
KR20130051014A (ko) 2013-05-16
CN101772622A (zh) 2010-07-07

Similar Documents

Publication Publication Date Title
GB2504230B (en) Variable Geometry Turbine
AP3047A (en) Turbine arrangement
GB2471208B (en) Turbine assembly
ZA200709179B (en) Rotor for wind turbine
EP2148048A4 (de) Turbinengenerator mit niederdruck-dampfrückgewinnung
GB0813874D0 (en) Variable geometry turbine
GB2463453B (en) Turbomachine
ZA201101484B (en) Turbine
GB2462581B (en) Rotor path arrangements
EP2447473A4 (de) Turbinenrotor
EP2334910A4 (de) Gefertigtes turbinengehäuse
AU2009286346A8 (en) A turbine and a rotor for a turbine
ZA201104563B (en) Turbine
EP2351909A4 (de) Turbinenschaufel
GB0805519D0 (en) Variable geometry turbine
EP2251530A4 (de) Gasturbine
GB2465279B (en) Turbomachine
ZA201001031B (en) Turbine rotor blade
GB2470166B (en) Variable geometry turbine
GB2460021B (en) Rotor blades
GB2492279B (en) Bladed rotor
PL2149970T3 (pl) Wirnik dla maszyn asynchronicznych
GB0810388D0 (en) Parallel turbine
EP2357320A4 (de) Antrieb für eine turbine
GB0901547D0 (en) Turbine stage

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

17P Request for examination filed

Effective date: 20100216

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): 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 SE SI SK SM TR

AX Request for extension of the european patent

Extension state: AL BA RS

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

Effective date: 20141209

RIC1 Information provided on ipc code assigned before grant

Ipc: F01D 25/00 20060101AFI20141203BHEP

Ipc: F01D 1/04 20060101ALI20141203BHEP

Ipc: F01D 5/02 20060101ALI20141203BHEP

Ipc: F01D 3/02 20060101ALI20141203BHEP

Ipc: F01D 5/06 20060101ALI20141203BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MITSUBISHI HITACHI POWER SYSTEMS, LTD.

17Q First examination report despatched

Effective date: 20151022

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20160302