BLADE FOR A FAN OF A TURBOMACHINE, NOTABLY OF THE UNDUCTED FAN TYPE, CORRESPONDING FAN AND CORRESPONDING TURBOMACHINE

BLADE FOR A FAN OF A TURBOMACHINE, NOTABLY OF THE UNDUCTED FAN TYPE, CORRESPONDING FAN AND CORRESPONDING TURBOMACHINE

Blade for a fan of a turbomachine, notably of the unducted fan type, corresponding fan and corresponding turbomachine. According to the invention, the blade (11A) comprises means (16) arranged, at a single location, so that they locally, as the fan (7) rotates, disturb the distribution of flow aroun...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RODRIGUEZ, BENOIT, JACQUIN, LAURENT, ORTUN, BIEL, VION, LAURENCE, FALISSARD, FABRICE, DELATTRE, GREGORY, BOISARD, RONAN
Format: Patent
Sprache:eng ; fre
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
BLASTING
COSMONAUTICS
ENGINE PLANTS IN GENERAL
HEATING
HELICOPTERS
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
PERFORMING OPERATIONS
STEAM ENGINES
TRANSPORTING
WEAPONS
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Beschreibung
Zusammenfassung:Blade for a fan of a turbomachine, notably of the unducted fan type, corresponding fan and corresponding turbomachine. According to the invention, the blade (11A) comprises means (16) arranged, at a single location, so that they locally, as the fan (7) rotates, disturb the distribution of flow around the blade (11A) so as to form two independent main vortices downstream. Pale pour une hélice de turbomachine, notamment à soufflante non carénée, hélice et turbomachine correspondantes. Selon l'invention, la pale (11A) comporte des moyens (16) agencés, à un unique em- placement, pour perturber localement, lors dela rotation de l'hélice (7), la répartition de la circulation autour de la pale (11A), de manière à former deux tourbillons princi- paux indépendants en aval.