Patent ID: 8157204
Filing Date: 2012-04-17
Classification: B64C

Abstract:
1. An aircraft comprising: two parallel fuselages spaced symmetrically apart with respect to a longitudinal mid-plane; a front lower wing that is symmetric with respect to said longitudinal mid-plane and supports the front lower parts of said fuselages; a rear upper wing that is symmetric with respect to said longitudinal mid-plane and is supported by the rear upper parts of said fuselages; and a propulsion system, wherein: at least symmetric external parts of said front lower wing have a sweep forward; lift generated by said rear upper wing is greater than lift generated by said front lower wing; said rear upper wing is in direct contact with the rear upper parts of said fuselages; said propulsion system comprises at least one first turboprop engine having at least one propeller and is carried by the internal part of said rear upper wing, the axis of said propulsion system lying on said longitudinal mid-plane; said propeller is a tractor propeller positioned in front of said rear upper wing; each of said fuselages has a partially pressurized chamber facing said tractor propeller and comprises a passenger cabin and a rear landing gear bay for rear landing gear; and each partially pressurized chamber is located between the corresponding passenger cabin and the corresponding rear landing gear bay.