Patent ID: 9321526
Filing Date: 2016-04-26
CPC Classification: B64C

Claim Text:
1. A compound helicopter comprising: a fuselage with an upper side, a lower side opposed to the upper side, a left hand side, a right hand side, and a transverse axis extending from the left hand side to the right hand side; at least one engine disposed on the upper side of the fuselage; a main rotor mounted to the upper side of the fuselage at the transverse axis, the main rotor being driven by the at least one engine; a first fixed wing mounted on the left hand side and a second fixed wing mounted on the right hand side of the fuselage; and a respective longitudinally oriented propulsion device mounted to each of the fixed wings at a respective tip of each of the fixed wings, the fixed wings encompassing encompassing each a respective drive shaft from the at least one engine, wherein: each fixed wing comprises a lower main wing and an upper secondary; wing, and the upper secondary wing is anhedral; the upper secondary wing and the lower main wing of each fixed wing are connected to each other within an interconnection region; each respective propulsion device is arranged at the respective interconnection region of the respective fixed wing aft of the transverse axis, the propulsion devices including propellers in pusher configuration, the propellers being arranged aft of respective trailing edges of the respective fixed wings; and and the upper secondary wings house the respective drive shafts from the at least one engine.