Patent ID: 7692331

Claim:
An electrical emergency source device fitted on an aircraft for outputting power to a first plurality of loads that absorb a constant power with time, and to a second plurality of loads that absorb variable power with time, said device comprising: an energy source sized to output the average power absorbed by said first and second pluralities of loads, a power source that supplies power peaks absorbed by the second plurality of loads, wherein said energy source has a first output that supplies power to said first and second plurality of loads and a second output that supplies power to said power source, and wherein said power source has a first input that receives power from said energy source, a second input that receives power that has been absorbed by the loads and then output from the loads back into the electrical source device, when a power demand from the loads has decreased, and an output that supplies power to said second plurality of loads, wherein said second plurality of loads include flight control actuators for said aircraft, said flight control actuators having reversible power, said second input of said power source being configured and connected to said flight control actuators so as to receive power from said flight control actuators during phases when said flight control actuators generate electricity, and wherein the power source acts as a power filter such that low frequencies of the power pass through the energy source and high frequencies of the power pass through the power source.