GB2155558A - Turbomachinery rotor blades - Google Patents

Turbomachinery rotor blades Download PDF

Info

Publication number
GB2155558A
GB2155558A GB08406324A GB8406324A GB2155558A GB 2155558 A GB2155558 A GB 2155558A GB 08406324 A GB08406324 A GB 08406324A GB 8406324 A GB8406324 A GB 8406324A GB 2155558 A GB2155558 A GB 2155558A
Authority
GB
United Kingdom
Prior art keywords
aerofoil
wall
turbine rotor
recess
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.)
Withdrawn
Application number
GB08406324A
Other languages
English (en)
Inventor
Brian Barry
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB08406324A priority Critical patent/GB2155558A/en
Priority to JP60034268A priority patent/JPS60206903A/ja
Priority to FR8502930A priority patent/FR2560929A1/fr
Priority to DE19853507578 priority patent/DE3507578A1/de
Publication of GB2155558A publication Critical patent/GB2155558A/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Withdrawn legal-status Critical Current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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between 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
    • 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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB08406324A 1984-03-10 1984-03-10 Turbomachinery rotor blades Withdrawn GB2155558A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB08406324A GB2155558A (en) 1984-03-10 1984-03-10 Turbomachinery rotor blades
JP60034268A JPS60206903A (ja) 1984-03-10 1985-02-22 タービン動翼
FR8502930A FR2560929A1 (fr) 1984-03-10 1985-02-28 Ameliorations apportees aux ailettes de rotor de turbo-machines
DE19853507578 DE3507578A1 (de) 1984-03-10 1985-03-04 Turbinenlaufschaufel ohne deckband

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08406324A GB2155558A (en) 1984-03-10 1984-03-10 Turbomachinery rotor blades

Publications (1)

Publication Number Publication Date
GB2155558A true GB2155558A (en) 1985-09-25

Family

ID=10557888

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08406324A Withdrawn GB2155558A (en) 1984-03-10 1984-03-10 Turbomachinery rotor blades

Country Status (4)

Country Link
JP (1) JPS60206903A (de)
DE (1) DE3507578A1 (de)
FR (1) FR2560929A1 (de)
GB (1) GB2155558A (de)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5997251A (en) * 1997-11-17 1999-12-07 General Electric Company Ribbed turbine blade tip
US6027306A (en) * 1997-06-23 2000-02-22 General Electric Company Turbine blade tip flow discouragers
US6039531A (en) * 1997-03-04 2000-03-21 Mitsubishi Heavy Industries, Ltd. Gas turbine blade
US6142739A (en) * 1996-04-12 2000-11-07 Rolls-Royce Plc Turbine rotor blades
US6179556B1 (en) 1999-06-01 2001-01-30 General Electric Company Turbine blade tip with offset squealer
EP1072759A1 (de) * 1999-07-29 2001-01-31 General Electric Company Turbinenschaufel mit thermisch isolierter Spitze
US6190129B1 (en) * 1998-12-21 2001-02-20 General Electric Company Tapered tip-rib turbine blade
US7033131B2 (en) 2003-01-18 2006-04-25 Rolls-Royce Deutschland Ltd & Co Kg Fan blade for a gas-turbine engine
EP1895099A2 (de) 2006-08-21 2008-03-05 General Electric Company Schaufel mit kaskadenförmig angeordneten Rippen an der Schaufelspitze
US20110014060A1 (en) * 2009-07-17 2011-01-20 Rolls-Royce Corporation Substrate Features for Mitigating Stress
US7946825B2 (en) 2005-06-29 2011-05-24 Rolls-Royce, Plc Turbofan gas turbine engine fan blade and a turbofan gas turbine fan rotor arrangement
US8083484B2 (en) * 2008-12-26 2011-12-27 General Electric Company Turbine rotor blade tips that discourage cross-flow
US20120201695A1 (en) * 2009-06-17 2012-08-09 Little David A Turbine blade squealer tip rail with fence members
US8425183B2 (en) 2006-11-20 2013-04-23 General Electric Company Triforial tip cavity airfoil
EP1748153B1 (de) * 2005-07-26 2013-09-18 Snecma Schaufel einer Strömungsmaschine und Strömungsmaschine mit einer solchen Schaufel
EP3064714A1 (de) * 2015-03-05 2016-09-07 General Electric Company Profil, zugehörige laufschaufel und verfahren
US9713912B2 (en) 2010-01-11 2017-07-25 Rolls-Royce Corporation Features for mitigating thermal or mechanical stress on an environmental barrier coating
US10040094B2 (en) 2013-03-15 2018-08-07 Rolls-Royce Corporation Coating interface
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
US10883373B2 (en) * 2017-03-02 2021-01-05 Rolls-Royce Corporation Blade tip seal

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7686578B2 (en) * 2006-08-21 2010-03-30 General Electric Company Conformal tip baffle airfoil
US7607893B2 (en) * 2006-08-21 2009-10-27 General Electric Company Counter tip baffle airfoil

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB856375A (en) * 1957-03-25 1960-12-14 Gen Electric Improvements in pressurized seal and/or air bearing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT262333B (de) * 1966-12-20 1968-06-10 Elin Union Ag Turbinenschaufelausbildung
DE1937395A1 (de) * 1969-07-23 1971-02-11 Dettmering Prof Dr Ing Wilhelm Gitter zur Vermeidung der Sekundaerstroemung
GB1552536A (en) * 1977-05-05 1979-09-12 Rolls Royce Rotor blade for a gas turbine engine
MX155481A (es) * 1981-09-02 1988-03-17 Westinghouse Electric Corp Pala de rotor de turbina

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB856375A (en) * 1957-03-25 1960-12-14 Gen Electric Improvements in pressurized seal and/or air bearing

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6142739A (en) * 1996-04-12 2000-11-07 Rolls-Royce Plc Turbine rotor blades
US6039531A (en) * 1997-03-04 2000-03-21 Mitsubishi Heavy Industries, Ltd. Gas turbine blade
US6027306A (en) * 1997-06-23 2000-02-22 General Electric Company Turbine blade tip flow discouragers
US5997251A (en) * 1997-11-17 1999-12-07 General Electric Company Ribbed turbine blade tip
EP0916811A3 (de) * 1997-11-17 2000-08-23 General Electric Company Gerippte Turbinenschaufelspitze
US6190129B1 (en) * 1998-12-21 2001-02-20 General Electric Company Tapered tip-rib turbine blade
US6179556B1 (en) 1999-06-01 2001-01-30 General Electric Company Turbine blade tip with offset squealer
EP1072759A1 (de) * 1999-07-29 2001-01-31 General Electric Company Turbinenschaufel mit thermisch isolierter Spitze
US7033131B2 (en) 2003-01-18 2006-04-25 Rolls-Royce Deutschland Ltd & Co Kg Fan blade for a gas-turbine engine
US7946825B2 (en) 2005-06-29 2011-05-24 Rolls-Royce, Plc Turbofan gas turbine engine fan blade and a turbofan gas turbine fan rotor arrangement
EP1748153B1 (de) * 2005-07-26 2013-09-18 Snecma Schaufel einer Strömungsmaschine und Strömungsmaschine mit einer solchen Schaufel
EP1895099A2 (de) 2006-08-21 2008-03-05 General Electric Company Schaufel mit kaskadenförmig angeordneten Rippen an der Schaufelspitze
EP1895099A3 (de) * 2006-08-21 2010-10-06 General Electric Company Schaufel mit kaskadenförmig angeordneten Rippen an der Schaufelspitze
US8500396B2 (en) 2006-08-21 2013-08-06 General Electric Company Cascade tip baffle airfoil
US8425183B2 (en) 2006-11-20 2013-04-23 General Electric Company Triforial tip cavity airfoil
US8083484B2 (en) * 2008-12-26 2011-12-27 General Electric Company Turbine rotor blade tips that discourage cross-flow
US20120201695A1 (en) * 2009-06-17 2012-08-09 Little David A Turbine blade squealer tip rail with fence members
US8313287B2 (en) * 2009-06-17 2012-11-20 Siemens Energy, Inc. Turbine blade squealer tip rail with fence members
US20110014060A1 (en) * 2009-07-17 2011-01-20 Rolls-Royce Corporation Substrate Features for Mitigating Stress
US8852720B2 (en) 2009-07-17 2014-10-07 Rolls-Royce Corporation Substrate features for mitigating stress
US9194243B2 (en) * 2009-07-17 2015-11-24 Rolls-Royce Corporation Substrate features for mitigating stress
US9713912B2 (en) 2010-01-11 2017-07-25 Rolls-Royce Corporation Features for mitigating thermal or mechanical stress on an environmental barrier coating
US10040094B2 (en) 2013-03-15 2018-08-07 Rolls-Royce Corporation Coating interface
EP3064714A1 (de) * 2015-03-05 2016-09-07 General Electric Company Profil, zugehörige laufschaufel und verfahren
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
US10883373B2 (en) * 2017-03-02 2021-01-05 Rolls-Royce Corporation Blade tip seal

Also Published As

Publication number Publication date
FR2560929A1 (fr) 1985-09-13
DE3507578A1 (de) 1985-09-12
JPS60206903A (ja) 1985-10-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)