Liquid hydrogen stratospheric aircraft

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 3/10 (2006.01) B64C 3/14 (2006.01) B64C 3/28 (2006.01) B64C 9/22 (2006.01) B64C 39/02 (2006.01) B64C 39/10 (2006.01)

Patent

CA 2647011

Disclosed is an aircraft, configured to have a wide range of flight speeds, consuming low levels of power for an extended period of time, while supporting a communications platform with an unobstructed downward-looking view. The aircraft includes an extendable slat at the leading edge of the wing, and a reflexed trailing edge. The aircraft comprises a flying wing extending laterally between two ends and a center point. The wing is swept and has a relatively constant chord. The aircraft also includes a power module configured to provide power via a fuel cell. The fuel cell stores liquid hydrogen as fuel, but uses gaseous hydrogen in the fuel cell. A fuel tank heater is used to control the boil-rate of the fuel in the fuel tank. The aircraft of the invention includes a support structure including a plurality of supports, where the supports form a tetrahedron that affixes to the wing.

L'invention concerne un aéronef configuré pour avoir une large plage de vitesses de vol et pour avoir besoin de peu de puissance pendant une période prolongée, tout en transportant une plate- forme de télécommunications avec vue vers le bas non obstruée. L'aéronef comprend un bec extensible au bord d'attaque de l'aile et un bord de fuite cambré. L'aéronef est formé d'une aile volante se prolongeant latéralement entre deux extrémités et un point central. L'aile en flèche est à corde relativement constante. L'aéronef comprend aussi un module de puissance configuré pour fournir de la puissance par l'intermédiaire d'un réservoir carburant. Le réservoir contient de l'hydrogène liquide comme carburant, mais utilise de l'hydrogène gazeux dans la pile à combustible. Un réchauffeur de réservoir carburant est utilisé pour contrôler le taux d'ébullition du carburant dans le réservoir carburant. L'aéronef de l'invention est muni d'une structure de support formée plusieurs supports, ceux-ci constituant un tétraèdre qui se fixe à l'aile.

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