GB910400A - Improvements in or relating to blades for axial flow rotary machines and the like - Google Patents

Improvements in or relating to blades for axial flow rotary machines and the like

Info

Publication number
GB910400A
GB910400A GB4021860A GB4021860A GB910400A GB 910400 A GB910400 A GB 910400A GB 4021860 A GB4021860 A GB 4021860A GB 4021860 A GB4021860 A GB 4021860A GB 910400 A GB910400 A GB 910400A
Authority
GB
United Kingdom
Prior art keywords
bosses
blade
rotary machines
flow rotary
blades
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
GB4021860A
Inventor
Eberhard Ziebuhr
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.)
ENTWICKLUNGSBAU PIRNA VEB
Original Assignee
ENTWICKLUNGSBAU PIRNA VEB
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 ENTWICKLUNGSBAU PIRNA VEB filed Critical ENTWICKLUNGSBAU PIRNA VEB
Priority to GB4021860A priority Critical patent/GB910400A/en
Priority to FR849670A priority patent/FR1277685A/en
Publication of GB910400A publication Critical patent/GB910400A/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
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface

Abstract

910,400. Turbine blades. ENTWICK. LUNGSBAU PIRNA VEB. Nov. 23, 1960, No. 40218/60. Class 110 (3). A hollow blade for axial-flow rotary machines, particularly turbines, comprises two cambered parts 1, 8, connected together at their leading and trailing edges, having bosses 3, 5 respectively, projecting from the inside of each part, the bosses on one half being staggered with respect to those on the opposite half, said bosses having different heights so that they interpenetrate and their free ends terminate short of the inside surface of the opposite part of the blade. A duet for the entry of cooling air, is located in the root of the blade. The bosses 3, 5 are tapered and their tips are rounded and their cross-section is square with rounded edges or alternatively circular except in the vicinity of the leading and trailing edges.
GB4021860A 1960-11-23 1960-11-23 Improvements in or relating to blades for axial flow rotary machines and the like Expired GB910400A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4021860A GB910400A (en) 1960-11-23 1960-11-23 Improvements in or relating to blades for axial flow rotary machines and the like
FR849670A FR1277685A (en) 1960-11-23 1961-01-13 Hollow fin, especially for turbines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4021860A GB910400A (en) 1960-11-23 1960-11-23 Improvements in or relating to blades for axial flow rotary machines and the like

Publications (1)

Publication Number Publication Date
GB910400A true GB910400A (en) 1962-11-14

Family

ID=10413800

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4021860A Expired GB910400A (en) 1960-11-23 1960-11-23 Improvements in or relating to blades for axial flow rotary machines and the like

Country Status (1)

Country Link
GB (1) GB910400A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1265495B (en) * 1963-08-30 1968-04-04 Gen Electric Hollow stator or rotor blade
US3836283A (en) * 1972-05-08 1974-09-17 Nat Aerospace Lab Construction of axial-flow turbine blades
GB2163219A (en) * 1981-10-31 1986-02-19 Rolls Royce Cooled turbine blade
EP0416542A1 (en) * 1989-09-04 1991-03-13 Hitachi, Ltd. Turbine blade
GB2272731A (en) * 1992-11-18 1994-05-25 Snecma Hollow blade for the fan or compressor of a turbomachine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1265495B (en) * 1963-08-30 1968-04-04 Gen Electric Hollow stator or rotor blade
US3836283A (en) * 1972-05-08 1974-09-17 Nat Aerospace Lab Construction of axial-flow turbine blades
GB2163219A (en) * 1981-10-31 1986-02-19 Rolls Royce Cooled turbine blade
US4684322A (en) * 1981-10-31 1987-08-04 Rolls-Royce Plc Cooled turbine blade
EP0416542A1 (en) * 1989-09-04 1991-03-13 Hitachi, Ltd. Turbine blade
GB2272731A (en) * 1992-11-18 1994-05-25 Snecma Hollow blade for the fan or compressor of a turbomachine

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