CA1191456A - Structure for a cooled turbine rotor blade - Google Patents

Structure for a cooled turbine rotor blade

Info

Publication number
CA1191456A
CA1191456A CA000410243A CA410243A CA1191456A CA 1191456 A CA1191456 A CA 1191456A CA 000410243 A CA000410243 A CA 000410243A CA 410243 A CA410243 A CA 410243A CA 1191456 A CA1191456 A CA 1191456A
Authority
CA
Canada
Prior art keywords
blade
tip
cavity
apertures
outside
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
CA000410243A
Other languages
English (en)
French (fr)
Inventor
William E. North
Augustine C. Mcclay
James M. 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.)
CBS 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
Application granted granted Critical
Publication of CA1191456A publication Critical patent/CA1191456A/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)
CA000410243A 1981-09-02 1982-08-26 Structure for a cooled turbine rotor blade Expired CA1191456A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29881981A 1981-09-02 1981-09-02
US298,819 1981-09-02

Publications (1)

Publication Number Publication Date
CA1191456A true CA1191456A (en) 1985-08-06

Family

ID=23152126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000410243A Expired CA1191456A (en) 1981-09-02 1982-08-26 Structure for a cooled turbine rotor blade

Country Status (8)

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

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
GB2105415B (en) 1985-08-07
BE894260A (fr) 1983-02-28
GB2105415A (en) 1983-03-23
MX155481A (es) 1988-03-17
AR228676A1 (es) 1983-03-30
JPS5844201A (ja) 1983-03-15
IT8223026A0 (it) 1982-08-30
JPS6349521Y2 (ja) 1988-12-20
BR8205083A (pt) 1983-08-09
IT1153721B (it) 1987-01-14
JPS61113902U (ja) 1986-07-18

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry