Patent ID: 9453463
Filing Date: 2016-09-27
CPC Classification: F02C

Claim Text:
1. A gas turbine engine fuel supply system, comprising: a boost pump having a boost pump inlet and a boost pump outlet, the boost pump adapted to receive a drive torque and configured, upon receipt thereof, to draw fuel into the boost pump inlet and discharge the fuel from the boost pump outlet; a primary gear pump having a primary gear pump inlet and a primary gear pump outlet, the primary gear pump adapted to receive a drive torque and configured, upon receipt thereof, to draw fuel into the primary gear pump inlet and discharge the fuel from the primary gear pump outlet; a secondary gear pump having a secondary gear pump inlet and a secondary gear pump outlet, the secondary gear pump adapted to receive a drive torque and configured, upon receipt thereof, to draw fuel into the secondary gear pump inlet and discharge the fuel from the secondary gear pump outlet; a supercharger pump having a supercharger pump inlet and a supercharger pump outlet, the supercharger pump adapted to receive a drive torque and configured, upon receipt thereof, to draw fuel into the supercharger pump inlet and discharge the fuel from the supercharger pump outlet; and a pump control valve in fluid communication with the boost pump, primary gear pump, the secondary gear pump, and the supercharger pump, and movable between a first position and a second position, wherein: