Patent ID: 9091212
Filing Date: 2015-07-28
Classification: F01D,F02C

Abstract:
1. A method for delivering fuel in an aircraft, the method comprising: pumping fuel from a storage unit to a boost pump; pumping fuel from the boost pump to a distribution system using a main pump, wherein a first boost pump line fluidly connects an outlet of the boost pump to an inlet of the main pump; pumping fuel from the boost pump to an actuator using a motive pump, thereby providing pumped fuel to the actuator, wherein actuation power for the actuator is provided by the pumped fuel, wherein a second boost pump line fluidly connects the outlet of the boost pump to an inlet of the motive pump; routing fuel from the actuator to the main pump; and routing fuel from the motive pump to an ejector within the storage unit to circulate fuel within the storage unit.