Aircraft fuel system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 6, 2016
Grant Date -
May 19, 2016
app pub date -
Nov 14, 2014
filing date -
Nov 14, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fuel supplying system includes a primary circuit for delivering fuel from a fuel tank to a primary circuit outlet. The system also includes a first supply circuit connected to the primary circuit outlet, the first supply circuit comprising a first supply circuit pump configured to pump fuel from the primary circuit outlet to engine fuel nozzles. The system further includes a second supply circuit also connected to the primary circuit outlet. The second supply circuit includes at least one actuating device configured to receive power from hydraulic pressure of the fuel. The second supply circuit also includes a second supply circuit pump configured to pump fuel from the primary circuit outlet to an actuating device, wherein the second supply circuit pump is independent from the first supply circuit pump. The second supply circuit further includes a return circuit configured to return fuel from the actuating device to the second supply circuit between the primary circuit outlet and the second supply circuit pump.
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