GB784196A - Hollow air cooled sheet metal turbine blade - Google Patents

Hollow air cooled sheet metal turbine blade

Info

Publication number
GB784196A
GB784196A GB35825/55A GB3582555A GB784196A GB 784196 A GB784196 A GB 784196A GB 35825/55 A GB35825/55 A GB 35825/55A GB 3582555 A GB3582555 A GB 3582555A GB 784196 A GB784196 A GB 784196A
Authority
GB
United Kingdom
Prior art keywords
inner skin
passages
skin
blade
spar
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
GB35825/55A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB784196A publication Critical patent/GB784196A/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
    • F01D5/18—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
    • 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

Abstract

784,196. Turbine blades. SPURRIER, F. R. Dec. 13, 1955 [Dec. 20, 1954], No. 35825/55. Class 110 (3). A hollow, sheet-metal, air-cooled turbine blade comprises an outer skin 10, an inner skin 16, separator grids 11 being disposed between the inner surface of the outer skin and the outer surface of the inner skin. Each separator grid 11 comprises a longitudinally-extending central portion 12 and arms 13 extending therefrom on either side, channels 24 being formed between the arms 13 and the outer and inner skins 10, 16. Holes 17 are provided through the inner skin 16 adjacent the ends of the channels 24 near the central portions 12 of the separator grids. A channel-section spar 18 extends through the inner skin 16, the portion 19 of the spare being in contact with one wall of the inner skin 16 and the portions 21 of the spar being in contact with the other wall of the inner skin, the web portions 20 of the spar extending between the two walls of the inner skin. Three longitudinal passages 22, 25, 26 are thereby provided through the blade. The portion 19 of the spar is provided with holes 23 which register with holes 17 in the inner skin 16. The inner skin is formed of two parts which are spaced apart at the leading and trailing edges so as to provide openings 27, 28 from the passages 25, 26. The central passage 22 is of increasing cross-sectional area towards the blade tip and the passages 25, 26 are of reducing section towards the tip. Cooling air enters the passages 25, 26 at the root end and flows towards the blade tip, and discharges through the openings 27, 28 into the passages 24, the air flowing from the passages through holes 17, 23 into the central passage 22 finally discharging at the blade tip. The components of the blade are made of sheet metal and are secured together by welding or brazing.
GB35825/55A 1954-12-20 1955-12-13 Hollow air cooled sheet metal turbine blade Expired GB784196A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US476424A US2920866A (en) 1954-12-20 1954-12-20 Hollow air cooled sheet metal turbine blade

Publications (1)

Publication Number Publication Date
GB784196A true GB784196A (en) 1957-10-02

Family

ID=23891772

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35825/55A Expired GB784196A (en) 1954-12-20 1955-12-13 Hollow air cooled sheet metal turbine blade

Country Status (2)

Country Link
US (1) US2920866A (en)
GB (1) GB784196A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019962A (en) * 1958-01-31 1962-02-06 Spalding Dudley Brian Pressure exchangers
DE1210253B (en) * 1961-05-02 1966-02-03 Rolls Royce Blade for flow machines, especially for gas turbines
US3301527A (en) * 1965-05-03 1967-01-31 Gen Electric Turbine diaphragm structure
DE1280618B (en) * 1964-12-02 1968-10-17 Rolls Royce Double-walled guide vane for gas turbine engines
EP0091799A2 (en) * 1982-04-08 1983-10-19 Westinghouse Electric Corporation Turbine airfoil vane structure

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191908A (en) * 1961-05-02 1965-06-29 Rolls Royce Blades for fluid flow machines
US3220697A (en) * 1963-08-30 1965-11-30 Gen Electric Hollow turbine or compressor vane
US3240468A (en) * 1964-12-28 1966-03-15 Curtiss Wright Corp Transpiration cooled blades for turbines, compressors, and the like
FR1503348A (en) * 1965-12-11 1967-11-24 Daimler Benz Ag Blade for gas turbines, in particular for aircraft engines
US3540810A (en) * 1966-03-17 1970-11-17 Gen Electric Slanted partition for hollow airfoil vane insert
GB1175816A (en) * 1968-06-24 1969-12-23 Rolls Royce Improvements relating to the Cooling of Aerofoil Shaped Blades
US3694104A (en) * 1970-10-07 1972-09-26 Garrett Corp Turbomachinery blade
CH582305A5 (en) * 1974-09-05 1976-11-30 Bbc Sulzer Turbomaschinen
US4022542A (en) * 1974-10-23 1977-05-10 Teledyne Industries, Inc. Turbine blade
CH584833A5 (en) * 1975-05-16 1977-02-15 Bbc Brown Boveri & Cie
SE395934B (en) * 1976-01-19 1977-08-29 Stal Laval Turbin Ab COLD-IHALIG JOINT SHOVE FOR GAS TURBINE
US4501053A (en) * 1982-06-14 1985-02-26 United Technologies Corporation Method of making rotor blade for a rotary machine
US4583914A (en) * 1982-06-14 1986-04-22 United Technologies Corp. Rotor blade for a rotary machine
US7686582B2 (en) 2006-07-28 2010-03-30 United Technologies Corporation Radial split serpentine microcircuits
US8047789B1 (en) * 2007-10-19 2011-11-01 Florida Turbine Technologies, Inc. Turbine airfoil
WO2009057532A1 (en) * 2007-10-31 2009-05-07 Mitsubishi Heavy Industries, Ltd. Stationary blade and steam turbine
US8292583B2 (en) * 2009-08-13 2012-10-23 Siemens Energy, Inc. Turbine blade having a constant thickness airfoil skin
JP5660883B2 (en) * 2010-12-22 2015-01-28 三菱日立パワーシステムズ株式会社 Steam turbine vane, steam turbine
US10648341B2 (en) 2016-11-15 2020-05-12 Rolls-Royce Corporation Airfoil leading edge impingement cooling
US10465526B2 (en) 2016-11-15 2019-11-05 Rolls-Royce Corporation Dual-wall airfoil with leading edge cooling slot
US10450873B2 (en) * 2017-07-31 2019-10-22 Rolls-Royce Corporation Airfoil edge cooling channels
US10662783B2 (en) 2018-08-29 2020-05-26 United Technologies Corporation Variable heat transfer collector baffle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR897709A (en) * 1942-06-09 1945-03-29 Process for cooling gas turbine blades
DE869712C (en) * 1943-10-06 1953-03-05 Versuchsanstalt Fuer Luftfahrt Internally cooled hollow blade for gas or exhaust gas turbines with graduated coolant throughput
US2514105A (en) * 1945-12-07 1950-07-04 Thomas Wilfred Airfoil conditioning means
GB625693A (en) * 1946-10-25 1949-07-01 Brush Electrical Eng Improvements in and relating to turbine blades
US2778601A (en) * 1951-05-28 1957-01-22 Ernst R G Eckert Fluid cooled turbine blade construction
US2708564A (en) * 1952-02-29 1955-05-17 Westinghouse Electric Corp Turbine apparatus
GB742477A (en) * 1952-10-31 1955-12-30 Rolls Royce Improvements in or relating to bladed stator or rotor constructions for fluid machines such as axial-flow turbines or compressors

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019962A (en) * 1958-01-31 1962-02-06 Spalding Dudley Brian Pressure exchangers
DE1210253B (en) * 1961-05-02 1966-02-03 Rolls Royce Blade for flow machines, especially for gas turbines
DE1280618B (en) * 1964-12-02 1968-10-17 Rolls Royce Double-walled guide vane for gas turbine engines
US3301527A (en) * 1965-05-03 1967-01-31 Gen Electric Turbine diaphragm structure
EP0091799A2 (en) * 1982-04-08 1983-10-19 Westinghouse Electric Corporation Turbine airfoil vane structure
EP0091799A3 (en) * 1982-04-08 1984-09-12 Westinghouse Electric Corporation Turbine airfoil vane structure

Also Published As

Publication number Publication date
US2920866A (en) 1960-01-12

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