Water scavenging system

B - Operations – Transporting – 64 – D

Patent

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Details

B64D 37/34 (2006.01)

Patent

CA 2667730

A fuel pumping and water scavenging system for pumping fuel from a fuel tank towards an engine, the system comprising: first and second fuel pumps (20, 21) each having a pump inlet (22, 31) for collecting fuel from the fuel tank; and a water scavenging line (32) coupling a water inlet to the pump inlet (31) of the first pump (21). The first pump (21) is configured to pump fuel towards the engine at a higher rate than the second pump, unless the first pump fails. A method of removing water from an aircraft fuel tank, the method comprising collecting water from a pool at the bottom of the fuel tank during take off or climb and feeding the water to an engine of the aircraft.

L'invention concerne un système de pompage de carburant et de récupération de l'eau destiné à pomper le carburant d'un réservoir de carburant vers un moteur, le système comprenant : des première et seconde pompes de carburant (20, 21) pourvues chacune d'un orifice d'admission (22, 31) pour récupérer le carburant du réservoir; et une conduite de récupération de l'eau (32) couplant un orifice d'admission de l'eau à l'orifice d'admission (31) de la première pompe (21). La première pompe (21) est configurée pour pomper le carburant vers le moteur à une vitesse supérieure à celle de la seconde pompe, à moins que la première pompe ne tombe en panne. L'invention concerne également un procédé d'élimination de l'eau d'une cuve de carburant d'aéronef, ce procédé consistant à récupérer une accumulation d'eau au fond du réservoir de carburant lors du décollage ou faire monter l'eau pour alimenter un moteur de l'aéronef.

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