GB2451568B - Rotor blade - Google Patents

Rotor blade

Info

Publication number
GB2451568B
GB2451568B GB0813750.7A GB0813750A GB2451568B GB 2451568 B GB2451568 B GB 2451568B GB 0813750 A GB0813750 A GB 0813750A GB 2451568 B GB2451568 B GB 2451568B
Authority
GB
United Kingdom
Prior art keywords
rotor blade
rotor
blade
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.)
Expired - Fee Related
Application number
GB0813750.7A
Other versions
GB0813750D0 (en
GB2451568A (en
Inventor
Omer Duane Erdmann
D Keith Patrick
Dustin Alfred Placke
John Peter Heyward
Francis Bobie
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.)
General Electric Co
Original Assignee
General Electric Co
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 Co filed Critical General Electric Co
Publication of GB0813750D0 publication Critical patent/GB0813750D0/en
Publication of GB2451568A publication Critical patent/GB2451568A/en
Application granted granted Critical
Publication of GB2451568B publication Critical patent/GB2451568B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/22—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
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
GB0813750.7A 2007-07-31 2008-07-28 Rotor blade Expired - Fee Related GB2451568B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/831,078 US20090097979A1 (en) 2007-07-31 2007-07-31 Rotor blade

Publications (3)

Publication Number Publication Date
GB0813750D0 GB0813750D0 (en) 2008-09-03
GB2451568A GB2451568A (en) 2009-02-04
GB2451568B true GB2451568B (en) 2012-06-27

Family

ID=39747028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0813750.7A Expired - Fee Related GB2451568B (en) 2007-07-31 2008-07-28 Rotor blade

Country Status (4)

Country Link
US (1) US20090097979A1 (en)
JP (2) JP5450997B2 (en)
DE (1) DE102008002944A1 (en)
GB (1) GB2451568B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008061800A1 (en) 2008-12-11 2010-06-17 Rolls-Royce Deutschland Ltd & Co Kg Segmented sealing lips for labyrinth seals
DE102009030566A1 (en) 2009-06-26 2010-12-30 Mtu Aero Engines Gmbh Shroud segment for placement on a bucket
FR2967714B1 (en) 2010-11-22 2012-12-14 Snecma MOBILE AUB OF TURBOMACHINE
US20120195742A1 (en) * 2011-01-28 2012-08-02 Jain Sanjeev Kumar Turbine bucket for use in gas turbine engines and methods for fabricating the same
FR2985759B1 (en) * 2012-01-17 2014-03-07 Snecma MOBILE AUB OF TURBOMACHINE
EP2620653B1 (en) * 2012-01-25 2015-06-24 Rolls-Royce plc A turbomachine casing assembly with blade containment cavity
US10597756B2 (en) 2012-03-24 2020-03-24 General Electric Company Titanium aluminide intermetallic compositions
FR3001759B1 (en) * 2013-02-07 2015-01-16 Snecma ROUGE AUBAGEE OF TURBOMACHINE
KR102040958B1 (en) * 2017-10-30 2019-11-05 두산중공업 주식회사 Sealing structure of rotor and steam turbine having the same
KR102011578B1 (en) * 2017-11-09 2019-10-21 두산중공업 주식회사 Cover structure of bucket and rotor and steamturbine having the same
US11105209B2 (en) 2018-08-28 2021-08-31 General Electric Company Turbine blade tip shroud
US10907487B2 (en) 2018-10-16 2021-02-02 Honeywell International Inc. Turbine shroud assemblies for gas turbine engines
JP7389574B2 (en) * 2019-06-28 2023-11-30 三菱重工航空エンジン株式会社 aircraft gas turbine
US11156110B1 (en) 2020-08-04 2021-10-26 General Electric Company Rotor assembly for a turbine section of a gas turbine engine
US11655719B2 (en) 2021-04-16 2023-05-23 General Electric Company Airfoil assembly

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505534A (en) * 1974-03-21 1978-03-30 Maschf Augsburg Nuernberg Ag Turbines and compressors
JPS57102503A (en) * 1980-12-17 1982-06-25 Hitachi Ltd Sealing structure for gap on tip of moving vane of turbine
GB2298246A (en) * 1995-02-23 1996-08-28 Bmw Rolls Royce Gmbh Turbine-blad-tip-sealing arrangement comprising a shroud band
JPH10306702A (en) * 1997-05-08 1998-11-17 Mitsubishi Heavy Ind Ltd Gas turbine blade
EP1262633A1 (en) * 2001-05-31 2002-12-04 Snecma Moteurs Turbine blade with knife edge sealing
GB2399602A (en) * 2003-03-15 2004-09-22 Alstom Gas turbine rotor blade
US20040208743A1 (en) * 2003-04-18 2004-10-21 Urban John Paul Center-located cutter teeth on shrouded turbine blades
CA2525003A1 (en) * 2005-10-31 2007-04-30 Pratt & Whitney Canada Corp. Shrouded turbine blades with locally increased contact faces

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1072233A (en) * 1912-11-07 1913-09-02 Emil Imle Steam-turbine blade.
US3527544A (en) * 1968-12-12 1970-09-08 Gen Motors Corp Cooled blade shroud
FR2552159B1 (en) * 1983-09-21 1987-07-10 Snecma DEVICE FOR CONNECTING AND SEALING TURBINE STATOR BLADE SECTIONS
GB2251034B (en) * 1990-12-20 1995-05-17 Rolls Royce Plc Shrouded aerofoils
GB9419712D0 (en) * 1994-09-30 1994-11-16 Rolls Royce Plc A turbomachine aerofoil and a method of production
JPH08303204A (en) * 1995-05-08 1996-11-19 Ishikawajima Harima Heavy Ind Co Ltd Moving blade sealing structure for gas turbine
JP2001055902A (en) * 1999-08-18 2001-02-27 Toshiba Corp Turbine rotor blade
US6254345B1 (en) * 1999-09-07 2001-07-03 General Electric Company Internally cooled blade tip shroud
ATE420272T1 (en) * 1999-12-20 2009-01-15 Sulzer Metco Ag PROFILED SURFACE USED AS A SCRUB COATING IN FLOW MACHINES
JP2001317303A (en) * 2000-05-11 2001-11-16 Toshiba Corp Steam turbine
US6652226B2 (en) * 2001-02-09 2003-11-25 General Electric Co. Methods and apparatus for reducing seal teeth wear
US6875476B2 (en) * 2003-01-15 2005-04-05 General Electric Company Methods and apparatus for manufacturing turbine engine components
US7001144B2 (en) * 2003-02-27 2006-02-21 General Electric Company Gas turbine and method for reducing bucket tip shroud creep rate
US6893216B2 (en) * 2003-07-17 2005-05-17 General Electric Company Turbine bucket tip shroud edge profile
US6890150B2 (en) * 2003-08-12 2005-05-10 General Electric Company Center-located cutter teeth on shrouded turbine blades
US7001152B2 (en) * 2003-10-09 2006-02-21 Pratt & Wiley Canada Corp. Shrouded turbine blades with locally increased contact faces
JP2005127276A (en) * 2003-10-27 2005-05-19 Hitachi Ltd Roter blade for turbine and turbine
US6913445B1 (en) * 2003-12-12 2005-07-05 General Electric Company Center located cutter teeth on shrouded turbine blades
US7255531B2 (en) * 2003-12-17 2007-08-14 Watson Cogeneration Company Gas turbine tip shroud rails
US7066713B2 (en) * 2004-01-31 2006-06-27 United Technologies Corporation Rotor blade for a rotary machine
US7094023B2 (en) * 2004-02-09 2006-08-22 United Technologies Corporation Shroud honeycomb cutter
DE102004025321A1 (en) * 2004-05-19 2005-12-08 Alstom Technology Ltd Turbomachine blade
JP4425746B2 (en) * 2004-08-25 2010-03-03 株式会社日立製作所 gas turbine
US20060280610A1 (en) * 2005-06-13 2006-12-14 Heyward John P Turbine blade and method of fabricating same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505534A (en) * 1974-03-21 1978-03-30 Maschf Augsburg Nuernberg Ag Turbines and compressors
JPS57102503A (en) * 1980-12-17 1982-06-25 Hitachi Ltd Sealing structure for gap on tip of moving vane of turbine
GB2298246A (en) * 1995-02-23 1996-08-28 Bmw Rolls Royce Gmbh Turbine-blad-tip-sealing arrangement comprising a shroud band
JPH10306702A (en) * 1997-05-08 1998-11-17 Mitsubishi Heavy Ind Ltd Gas turbine blade
EP1262633A1 (en) * 2001-05-31 2002-12-04 Snecma Moteurs Turbine blade with knife edge sealing
GB2399602A (en) * 2003-03-15 2004-09-22 Alstom Gas turbine rotor blade
US20040208743A1 (en) * 2003-04-18 2004-10-21 Urban John Paul Center-located cutter teeth on shrouded turbine blades
CA2525003A1 (en) * 2005-10-31 2007-04-30 Pratt & Whitney Canada Corp. Shrouded turbine blades with locally increased contact faces

Also Published As

Publication number Publication date
GB0813750D0 (en) 2008-09-03
JP5576974B2 (en) 2014-08-20
JP2009036203A (en) 2009-02-19
JP2013256961A (en) 2013-12-26
GB2451568A (en) 2009-02-04
JP5450997B2 (en) 2014-03-26
DE102008002944A1 (en) 2009-02-05
US20090097979A1 (en) 2009-04-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180728