Patent ID: 9234464
Filing Date: 2016-01-12
CPC Classification: F01B,F02C,F04B,Y02T

Claim Text:
1. A fuel metering system for supplying fuel to a load, comprising: a gas turbine engine controller adapted to receive throttle input commands and configured, in response thereto, to supply hanger position commands; a variable displacement piston pump including an adjustable hanger that is movable to a plurality of positions, the variable displacement piston pump configured to receive a drive torque and, upon receipt of the drive torque, to supply fuel to the load at a flow rate and a discharge pressure that is dependent on drive speed and adjustable hanger position; a hanger actuator coupled to receive the hanger position commands and configured, in response thereto, to move the adjustable hanger to the commanded position, the hanger actuator comprising: