COOLING OF THE DOVETAIL POST ANCHORING A TURBOMACHINE BLADE

COOLING OF THE DOVETAIL POST ANCHORING A TURBOMACHINE BLADE

A turbomachine assembly in which a foil is configured to cover mainly one of bulbs of a disc and to be held, radially with respect to the disc, by the bulb of the disc and a pocket for a blade that can collaborate therewith, when these two are effectively collaborating, and the bulb of the disc incl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GENDRAUD, ALAIN, DOMINIQUE, DA COSTA, EMMANUEL, VARIN, BRUNO, ANDRÉ, JEAN, MARTET, RENAUD, SICARD, JOSSELIN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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Beschreibung
Zusammenfassung:A turbomachine assembly in which a foil is configured to cover mainly one of bulbs of a disc and to be held, radially with respect to the disc, by the bulb of the disc and a pocket for a blade that can collaborate therewith, when these two are effectively collaborating, and the bulb of the disc includes at least one longitudinal cavity configured to form, with the foil, when the foil is covering the bulb of the disc, a secondary passage through which a secondary cooling air flow can pass.