GB2105415B - Air-cooled turbine rotor blade with trailing edge recessed holes - Google Patents

Air-cooled turbine rotor blade with trailing edge recessed holes

Info

Publication number
GB2105415B
GB2105415B GB08224899A GB8224899A GB2105415B GB 2105415 B GB2105415 B GB 2105415B GB 08224899 A GB08224899 A GB 08224899A GB 8224899 A GB8224899 A GB 8224899A GB 2105415 B GB2105415 B GB 2105415B
Authority
GB
United Kingdom
Prior art keywords
air
trailing edge
rotor blade
turbine rotor
recessed holes
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
Application number
GB08224899A
Other languages
English (en)
Other versions
GB2105415A (en
Inventor
Augustine Charles Mcclay
William Edward North
James Michael Allen
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB2105415A publication Critical patent/GB2105415A/en
Application granted granted Critical
Publication of GB2105415B publication Critical patent/GB2105415B/en
Expired 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
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/23—Three-dimensional prismatic
    • F05D2250/231—Three-dimensional prismatic cylindrical
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/23—Three-dimensional prismatic
    • F05D2250/232—Three-dimensional prismatic conical
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/24—Three-dimensional ellipsoidal
    • F05D2250/241—Three-dimensional ellipsoidal spherical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB08224899A 1981-09-02 1982-09-01 Air-cooled turbine rotor blade with trailing edge recessed holes Expired GB2105415B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29881981A 1981-09-02 1981-09-02

Publications (2)

Publication Number Publication Date
GB2105415A GB2105415A (en) 1983-03-23
GB2105415B true GB2105415B (en) 1985-08-07

Family

ID=23152126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08224899A Expired GB2105415B (en) 1981-09-02 1982-09-01 Air-cooled turbine rotor blade with trailing edge recessed holes

Country Status (8)

Country Link
JP (2) JPS5844201A (enExample)
AR (1) AR228676A1 (enExample)
BE (1) BE894260A (enExample)
BR (1) BR8205083A (enExample)
CA (1) CA1191456A (enExample)
GB (1) GB2105415B (enExample)
IT (1) IT1153721B (enExample)
MX (1) MX155481A (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155558A (en) * 1984-03-10 1985-09-25 Rolls Royce Turbomachinery rotor blades
US4589823A (en) * 1984-04-27 1986-05-20 General Electric Company Rotor blade tip
US4682933A (en) * 1984-10-17 1987-07-28 Rockwell International Corporation Labyrinthine turbine-rotor-blade tip seal
US4761116A (en) * 1987-05-11 1988-08-02 General Electric Company Turbine blade with tip vent
US4893987A (en) * 1987-12-08 1990-01-16 General Electric Company Diffusion-cooled blade tip cap
US5667359A (en) * 1988-08-24 1997-09-16 United Technologies Corp. Clearance control for the turbine of a gas turbine engine
JPH04260047A (ja) * 1991-02-15 1992-09-16 Konica Corp シームレスベルト感光体の製造方法
JPH04109401U (ja) * 1991-03-12 1992-09-22 アドバンス・コージエネレーシヨンシステム技術研究組合 空冷動翼
US5476364A (en) * 1992-10-27 1995-12-19 United Technologies Corporation Tip seal and anti-contamination for turbine blades
US6652235B1 (en) * 2002-05-31 2003-11-25 General Electric Company Method and apparatus for reducing turbine blade tip region temperatures
US7270514B2 (en) * 2004-10-21 2007-09-18 General Electric Company Turbine blade tip squealer and rebuild method
US8157504B2 (en) * 2009-04-17 2012-04-17 General Electric Company Rotor blades for turbine engines
GB201112803D0 (en) 2011-07-26 2011-09-07 Rolls Royce Plc Master component for flow calibration
JP6159151B2 (ja) * 2013-05-24 2017-07-05 三菱日立パワーシステムズ株式会社 タービン動翼
US10041358B2 (en) * 2014-05-08 2018-08-07 United Technologies Corporation Gas turbine engine blade squealer pockets
US20160258302A1 (en) * 2015-03-05 2016-09-08 General Electric Company Airfoil and method for managing pressure at tip of airfoil
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip

Also Published As

Publication number Publication date
BE894260A (fr) 1983-02-28
MX155481A (es) 1988-03-17
IT8223026A1 (it) 1984-03-01
CA1191456A (en) 1985-08-06
JPS61113902U (enExample) 1986-07-18
JPS5844201A (ja) 1983-03-15
JPS6349521Y2 (enExample) 1988-12-20
AR228676A1 (es) 1983-03-30
GB2105415A (en) 1983-03-23
BR8205083A (pt) 1983-08-09
IT1153721B (it) 1987-01-14
IT8223026A0 (it) 1982-08-30

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Legal Events

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