Method and apparatus for using hot fuels to de-ice aircraft

B - Operations – Transporting – 64 – F

Patent

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Details

B64F 1/28 (2006.01) B64D 15/00 (2006.01) B64D 37/18 (2006.01) B64F 5/00 (2006.01)

Patent

CA 2208959

A method and apparatus are provided for de-icing an aircraft (13) of the type having wings (15) and fuel storage (17) in the wings (15). Hot fuel is provided for fueling the aircraft (13). The hot fuel is at elevated temperatures which are sufficiently high enough to transfer heat from the fuel, through a fuel tank (17) extending within the wings (15), and to the exterior of the wings (15) to de-ice the aircraft (13). A storage tank (29) stores the fuel, and a heater (31) heats the fuel to elevated temperatures. An intermediate thermal transfer system (47) having a secondary thermal fluid (55) transfers heat from a primary power source (45) to the fuel. Further, a substantial volume of the secondary thermal fuel may be maintained at elevated temperatures to provide a sufficient thermal reserve capacity for heating the fuel upon demand.

L'invention se rapporte à un procédé et un appareil permettant de dégivrer un aéronef (13) du type comportant des ailes (15) et un réservoir de carburant (17) dans les ailes (15). Du carburant chaud est utilisé pour réapprovisionner l'aéronef (13) en carburant. Le carburant chaud est à une température suffisamment élevée pour transférer la chaleur du carburant, à travers le réservoir de carburant (17) s'étendant dans les ailes (15), vers l'extérieur de ces dernières, afin de dégivrer l'appareil (13). Une citerne (29) stocke le carburant, et un dispositif de chauffage (31) chauffe le carburant à des températures élevées. Un système de transfert thermique intermédiaire (47) comprenant un fluide thermique secondaire (55) transfère la chaleur d'une source d'énergie principale (45) vers le carburant. En outre, un volume important du carburant thermique secondaire peut être maintenu à des températures élevées pour assurer une capacité de réserve thermique suffisante et chauffer le carburant en fonction des besoins.

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