DE931017C - Process for the production of cooled hollow blades for gas turbines - Google Patents

Process for the production of cooled hollow blades for gas turbines

Info

Publication number
DE931017C
DE931017C DEV5398A DEV0005398A DE931017C DE 931017 C DE931017 C DE 931017C DE V5398 A DEV5398 A DE V5398A DE V0005398 A DEV0005398 A DE V0005398A DE 931017 C DE931017 C DE 931017C
Authority
DE
Germany
Prior art keywords
production
gas turbines
hollow blades
cooled hollow
cooled
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
DEV5398A
Other languages
German (de)
Inventor
Heinrich Dr-Ing Vorkauf
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
Priority claimed from DEV1877D external-priority patent/DE873631C/en
Application filed by Individual filed Critical Individual
Priority to DEV5398A priority Critical patent/DE931017C/en
Application granted granted Critical
Publication of DE931017C publication Critical patent/DE931017C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/14Form or construction
    • F01D5/18Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187Convection cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/04Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Description

Angezogene Druckschriften:
Deutsche Patentschriften Nr. 862691, 860438,
Referred publications:
German patent specifications No. 862691, 860438,

829969, 737 479;829969, 737 479;

schweizerische Patentschriften Nr. 218976,Swiss patent specification No. 218976,

211 542.211 542.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

© 509 S29 7.55 © 509 S29 7.55

Claims (1)

Patentanspruch:Claim: Verfahren zur Herstellung gekühlter Hohlschaufeln mit Bohrungen für Gasturbinen nach Patent 873 631, dadurch gekennzeichnet, daß zur Herstellung der Bohrungen die ungebohrte Schaufel mit schmälen Längsschlitzen versehen ist, die bis auf eine kleine Öffnung im Mittelpunkt der vorzunehmenden Bohrung wieder geschlossen werden, wobei die entstandene Öffnung zur Führung des die Bohrung herstellenden Bohrers dient.Process for the production of cooled hollow blades with bores for gas turbines according to Patent 873 631, characterized in that the undrilled The shovel is provided with narrow longitudinal slots, which apart from a small opening in the center the hole to be made are closed again, the resulting opening for guiding the hole producing Drill serves.
DEV5398A 1942-08-14 1953-01-30 Process for the production of cooled hollow blades for gas turbines Expired DE931017C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEV5398A DE931017C (en) 1942-08-14 1953-01-30 Process for the production of cooled hollow blades for gas turbines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEV1877D DE873631C (en) 1942-08-14 1942-08-14 Process for the manufacture and fastening of cooled gas turbine blades
DEV5398A DE931017C (en) 1942-08-14 1953-01-30 Process for the production of cooled hollow blades for gas turbines

Publications (1)

Publication Number Publication Date
DE931017C true DE931017C (en) 1955-07-28

Family

ID=26001159

Family Applications (1)

Application Number Title Priority Date Filing Date
DEV5398A Expired DE931017C (en) 1942-08-14 1953-01-30 Process for the production of cooled hollow blades for gas turbines

Country Status (1)

Country Link
DE (1) DE931017C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7744348B2 (en) 2004-12-24 2010-06-29 Alstom Technology Ltd. Method of producing a hot gas component of a turbomachine including an embedded channel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH211542A (en) * 1938-07-27 1940-09-30 Bbc Brown Boveri & Cie Multipart gas turbine blade.
CH218976A (en) * 1940-12-24 1942-01-15 Sulzer Ag Gas turbine blade with air film cooling.
DE737479C (en) * 1939-01-26 1943-07-15 Versuchsanstalt Fuer Luftfahrt Gas turbine blade
DE829969C (en) * 1943-02-27 1952-01-31 Maschf Augsburg Nuernberg Ag Hollow blade for impellers of centrifugal machines through which axial flow flows
DE860438C (en) * 1941-03-28 1952-12-22 Versuchsanstalt Fuer Luftfahrt Hollow blade for gas or exhaust gas turbines
DE862691C (en) * 1949-12-02 1953-01-12 Bristol Aeroplane Co Ltd Turbine or similar blade

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH211542A (en) * 1938-07-27 1940-09-30 Bbc Brown Boveri & Cie Multipart gas turbine blade.
DE737479C (en) * 1939-01-26 1943-07-15 Versuchsanstalt Fuer Luftfahrt Gas turbine blade
CH218976A (en) * 1940-12-24 1942-01-15 Sulzer Ag Gas turbine blade with air film cooling.
DE860438C (en) * 1941-03-28 1952-12-22 Versuchsanstalt Fuer Luftfahrt Hollow blade for gas or exhaust gas turbines
DE829969C (en) * 1943-02-27 1952-01-31 Maschf Augsburg Nuernberg Ag Hollow blade for impellers of centrifugal machines through which axial flow flows
DE862691C (en) * 1949-12-02 1953-01-12 Bristol Aeroplane Co Ltd Turbine or similar blade

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7744348B2 (en) 2004-12-24 2010-06-29 Alstom Technology Ltd. Method of producing a hot gas component of a turbomachine including an embedded channel
US8210815B2 (en) 2004-12-24 2012-07-03 Alstom Technology Ltd. Hot gas component of a turbomachine including an embedded channel

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