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DE965241C - Ready-to-install hollow blade made of sheet metal, preferably a turbine blade - Google Patents

Ready-to-install hollow blade made of sheet metal, preferably a turbine blade

Info

Publication number
DE965241C
DE965241C DEB36530D DEB0036530D DE965241C DE 965241 C DE965241 C DE 965241C DE B36530 D DEB36530 D DE B36530D DE B0036530 D DEB0036530 D DE B0036530D DE 965241 C DE965241 C DE 965241C
Authority
DE
Germany
Prior art keywords
blade
cavity
hollow
sheet metal
ready
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
DEB36530D
Other languages
German (de)
Inventor
Walter Busse
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to DEB36530D priority Critical patent/DE965241C/en
Application granted granted Critical
Publication of DE965241C publication Critical patent/DE965241C/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
    • F01D5/30Fixing blades to rotors; Blade roots ; Blade spacers
    • 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

Landscapes

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

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

) 609 738/118 12. (709 532/69 5. 57) ) 609 738/118 12. (709 532/69 5. 57)

Claims (5)

Patentansprüche:Patent claims: ι . Aus Blech hergestellte, einbaufertige Hohlschaufel, vorzugsweise Turbinenschaufel, dadurch gekennzeichnet, daß der Schaufelfuß (1) aus der Verlängerung der die Schaufelwand bildenden Blechteile (2, 3) in der Weise gebildet ist, daß der obere Teil des Schaufelfußes mit einer Ausbuchtung versehen ist, durch die ein zum Zu- und Abführen von Kühlmittel dienender Kanal (4) gebildet wird, und der untere Teil des Schaufelfußes zur Befestigung der Schaufel im Radkranz mit einer kreisbogenförmigen Ausbuchtung versehen ist, wobei der dadurch gebildete Hohlraum (5) durch Einbringen eines Werkstoffes ausgefüllt ist.ι. Ready-to-install hollow blade made of sheet metal, preferably a turbine blade, characterized in that the blade root (1) formed in the manner from the extension of the sheet metal parts (2, 3) forming the blade wall is that the upper part of the blade root is provided with a bulge through which a for supplying and removing coolant serving channel (4) is formed, and the lower Part of the blade root for fastening the blade in the wheel rim with a circular arc Bulge is provided, the cavity (5) formed thereby by introduction of a material is filled out. 2. Hohlschaufel nach Anspruch 1, dadurch gekennzeichnet, daß der Hohlraum (5) im unteren Schaufelfuß teil ausgegossen ist.2. Hollow blade according to claim 1, characterized in that the cavity (5) in the lower blade root is partly poured out. 3. Hohlschaufel nach Anspruch 1, dadurch gekennzeichnet, daß der Hohlraum (5) im unteren Schaufelfußteil durch einen eingesetzten. Füllkörper ausgefüllt ist.3. Hollow blade according to claim 1, characterized in that the cavity (5) in the lower blade root part by an inserted. Packing is filled. 4. Hohlschaufel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in dem unteren Fußteil ein Körper (6) befestigt ist, der in den Schaufelhohlraum hineinragt und zwischen sich und dem ihn umhüllenden Schaufelmantel einen Raum mit spaltförmigem Querschnitt frei läßt.4. Hollow blade according to one of the preceding claims, characterized in that in a body (6) is attached to the lower foot part, which protrudes into the blade cavity and between itself and the shovel jacket surrounding it a space with a gap-shaped Leaves cross-section free. 5. Hohlschaufel nach Anspruch 4, dadurch gekennzeichnet, daß der im unteren Fußteil befestigte, in den Schaufelhohlraum hineinragende Körper (6) sich mit in Längsrichtung verlauf enden Sicken gegen die Innenfläche des Schaufelmantels anlegt.5. hollow shovel according to claim 4, characterized in that the attached in the lower foot part, Bodies (6) projecting into the vane cavity end with extending in the longitudinal direction Creates beads against the inner surface of the blade jacket.
DEB36530D 1942-10-11 1942-10-11 Ready-to-install hollow blade made of sheet metal, preferably a turbine blade Expired DE965241C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB36530D DE965241C (en) 1942-10-11 1942-10-11 Ready-to-install hollow blade made of sheet metal, preferably a turbine blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB36530D DE965241C (en) 1942-10-11 1942-10-11 Ready-to-install hollow blade made of sheet metal, preferably a turbine blade

Publications (1)

Publication Number Publication Date
DE965241C true DE965241C (en) 1957-06-06

Family

ID=6964925

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB36530D Expired DE965241C (en) 1942-10-11 1942-10-11 Ready-to-install hollow blade made of sheet metal, preferably a turbine blade

Country Status (1)

Country Link
DE (1) DE965241C (en)

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