Aircraft with rear annular tail

Details Aircraft with rear annular tail Aircraft with rear annular tail

B - Operations, Transporting

64

C

B64C 5/02 (2006.01) B64C 11/00 (2006.01) B64C 39/06 (2006.01) B64D 27/02 (2006.01)

Patent

CA 2670649

The invention relates to a rear tail assembly (1) for an aircraft, including a fuselage (3), a wing (2) and at least one propulsion engine (5, 5a, 5b) attached in the rear portion of the fuselage located behind the wing (2) along the X longitudinal axis of the aircraft, wherein said assembly comprises aerodynamic surfaces connected in the rear portion of the fuselage. The tail assembly essentially comprises essentially horizontal aerodynamic surfaces (41a, 41b, 43) and essentially vertical aerodynamic surfaces (42a, 42b) arranged so as to form an annular structure including at least one ring attached to the fuselage. At least one engine is held in the ring formed by the tail assembly. In one embodiment, a central fin is used for defining two rings in the annular structure. In particular embodiments of an aircraft including such a tail assembly, one or two engines can be fitted in the ring area.

Un ensemble d'empennages arrière (1) pour avion, comportant un fuselage (3), une aile (2) et au moins un moteur (5, 5a, 5b) de propulsion fixé dans une partie arrière du fuselage située en arrière de l'aile (2) suivant un axe X longitudinal de l'avion, comporte des surfaces aérodynamiques fixées dans la partie arrière du fuselage. L'ensemble d'empennages est constitué essentiellement de surfaces aérodynamiques sensiblement horizontales (41a, 41b, 43) et de surfaces aérodynamiques sensiblement verticales (42a, 42b) agencées pour former une structure annulaire comportant au moins un anneau fixé au fuselage. Au moins un moteur est maintenu dans l'anneau formé par l'ensemble d'empennages. Une dérive centrale est utilisée dans une forme de réalisation pour former deux anneaux dans la structure annulaire. Dans des modes particuliers de réalisation d'un avion comportant de tels empennages, un moteur ou deux moteurs sont fixés dans la zone de l'anneau.

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