EP2230385A4 - Turbine rotor blade - Google Patents

Turbine rotor blade

Info

Publication number
EP2230385A4
EP2230385A4 EP09701788A EP09701788A EP2230385A4 EP 2230385 A4 EP2230385 A4 EP 2230385A4 EP 09701788 A EP09701788 A EP 09701788A EP 09701788 A EP09701788 A EP 09701788A EP 2230385 A4 EP2230385 A4 EP 2230385A4
Authority
EP
European Patent Office
Prior art keywords
rotor blade
turbine rotor
turbine
blade
rotor
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Withdrawn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
EP09701788A
Other languages
German (de)
French (fr)
Other versions
EP2230385A1 (en
Inventor
Naoto Tochitani
Shohei Danno
Shoki Yamashita
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 Heavy Industries 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 EP2230385A1 publication Critical patent/EP2230385A1/en
Publication of EP2230385A4 publication Critical patent/EP2230385A4/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Withdrawn legal-status Critical Current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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
    • Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP09701788A 2008-01-16 2009-01-08 Turbine rotor blade Withdrawn EP2230385A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008006895 2008-01-16
PCT/JP2009/050160 WO2009090908A1 (en) 2008-01-16 2009-01-08 Turbine rotor blade

Publications (2)

Publication Number Publication Date
EP2230385A1 EP2230385A1 (en) 2010-09-22
EP2230385A4 true EP2230385A4 (en) 2011-03-16

Family

ID=40885299

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09701788A Withdrawn EP2230385A4 (en) 2008-01-16 2009-01-08 Turbine rotor blade

Country Status (7)

Country Link
US (1) US20110217175A1 (en)
EP (1) EP2230385A4 (en)
JP (1) JP4939613B2 (en)
CN (1) CN101743380B (en)
RU (1) RU2010104753A (en)
WO (1) WO2009090908A1 (en)
ZA (1) ZA201001031B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2551460A1 (en) * 2011-07-29 2013-01-30 Siemens Aktiengesellschaft Blade group
US10309232B2 (en) * 2012-02-29 2019-06-04 United Technologies Corporation Gas turbine engine with stage dependent material selection for blades and disk
US10648354B2 (en) 2016-12-02 2020-05-12 Honeywell International Inc. Turbine wheels, turbine engines including the same, and methods of forming turbine wheels with improved seal plate sealing
US10704400B2 (en) * 2018-10-17 2020-07-07 Pratt & Whitney Canada Corp. Rotor assembly with rotor disc lip
KR20230081267A (en) * 2021-11-30 2023-06-07 두산에너빌리티 주식회사 Turbine blade, turbine and gas turbine including the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1720729A (en) * 1928-03-29 1929-07-16 Westinghouse Electric & Mfg Co Blade fastening
EP0745756A1 (en) * 1995-06-02 1996-12-04 ABB Management AG Fixture and method for the assembly of runner blades
US6030178A (en) * 1998-09-14 2000-02-29 General Electric Co. Axial entry dovetail segment for securing a closure bucket to a turbine wheel and methods of installation
US20060177314A1 (en) * 2004-09-16 2006-08-10 Yutaka Yamashita Turbine rotor blade and turbine
JP2006283681A (en) * 2005-04-01 2006-10-19 Hitachi Ltd Steam turbine moving blade and steam turbine rotor, and steam turbine using it and the power generation plant

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974924A (en) * 1956-12-05 1961-03-14 Gen Electric Turbine bucket retaining means and sealing assembly
US3501249A (en) * 1968-06-24 1970-03-17 Westinghouse Electric Corp Side plates for turbine blades
US3748060A (en) * 1971-09-14 1973-07-24 Westinghouse Electric Corp Sideplate for turbine blade
JPS5578103A (en) * 1978-12-08 1980-06-12 Hitachi Ltd Method of implanting movable turbine blade
US4533298A (en) * 1982-12-02 1985-08-06 Westinghouse Electric Corp. Turbine blade with integral shroud
DE3528640A1 (en) * 1985-06-28 1987-01-08 Bbc Brown Boveri & Cie Blade lock for rim-straddling blades of turboengines
US4702673A (en) * 1985-10-18 1987-10-27 General Electric Company Method for assembly of tangential entry dovetailed bucket assemblies on a turbomachine bucket wheel
US5509784A (en) * 1994-07-27 1996-04-23 General Electric Co. Turbine bucket and wheel assembly with integral bucket shroud
JP3682131B2 (en) * 1996-09-26 2005-08-10 株式会社東芝 Turbine blade and its assembly method
JP3805485B2 (en) * 1997-07-11 2006-08-02 本田技研工業株式会社 Turbine blade assembly equipment
US6061886A (en) * 1997-07-11 2000-05-16 Honda Giken Kogyo Kabushiki Kaisha Turbine blade fitting apparatus and fitting method
US7353588B2 (en) * 2003-06-20 2008-04-08 General Electric Company Installation tool for assembling a rotor blade of a gas turbine engine fan assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1720729A (en) * 1928-03-29 1929-07-16 Westinghouse Electric & Mfg Co Blade fastening
EP0745756A1 (en) * 1995-06-02 1996-12-04 ABB Management AG Fixture and method for the assembly of runner blades
US6030178A (en) * 1998-09-14 2000-02-29 General Electric Co. Axial entry dovetail segment for securing a closure bucket to a turbine wheel and methods of installation
US20060177314A1 (en) * 2004-09-16 2006-08-10 Yutaka Yamashita Turbine rotor blade and turbine
JP2006283681A (en) * 2005-04-01 2006-10-19 Hitachi Ltd Steam turbine moving blade and steam turbine rotor, and steam turbine using it and the power generation plant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009090908A1 *

Also Published As

Publication number Publication date
CN101743380B (en) 2014-01-01
EP2230385A1 (en) 2010-09-22
CN101743380A (en) 2010-06-16
JPWO2009090908A1 (en) 2011-05-26
JP4939613B2 (en) 2012-05-30
ZA201001031B (en) 2011-08-31
RU2010104753A (en) 2012-02-27
US20110217175A1 (en) 2011-09-08
WO2009090908A1 (en) 2009-07-23

Similar Documents

Publication Publication Date Title
GB0820324D0 (en) Wind turbine rotor blade
GB0724612D0 (en) Rotor blades
GB0907444D0 (en) Wind turbine rotor blade
GB0915777D0 (en) Wind turbine rotor blade
GB2475217B (en) Folding blade turbine
GB0811391D0 (en) A rotor blade
GB0814108D0 (en) Segmented rotor blade extension portion
GB2462131B (en) A Blade for a rotor
ZA200906429B (en) Wind turbine rotor
EP2631478A4 (en) Wind turbine rotor blade
EP2476861A4 (en) Turbine rotor blade
GB0808651D0 (en) Rotor blade monitoring
DK201170702A (en) Wind turbine rotor blade
GB2451568B (en) Rotor blade
EP2447473A4 (en) Turbine rotor
EP2351909A4 (en) Turbine blade
EP2511476A4 (en) Turbine and turbine rotor blade
GB0906625D0 (en) Improved rotor blade
EP2489835A4 (en) Turbine blade
GB0901129D0 (en) Rotor blade
GB0819223D0 (en) Twisting rotor blades
GB2460021B (en) Rotor blades
SI2545274T1 (en) Wind turbine rotor blade
ZA201001031B (en) Turbine rotor blade
GB2492279B (en) Bladed rotor

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: 20100212

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 TR

AX Request for extension of the european patent

Extension state: AL BA RS

A4 Supplementary search report drawn up and despatched

Effective date: 20110211

DAX Request for extension of the european patent (deleted)
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: 20111202