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Fuel delivery system and method providing regulated electrical output

  • US 7,327,045 B2
  • Filed: 05/09/2005
  • Issued: 02/05/2008
  • Est. Priority Date: 05/12/2004
  • Status: Active Grant
First Claim
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1. In a mobile fuel delivery vehicle, providing bulk aircraft fuel from a pressurized fuel reservoir to an aircraft, a method of regulating electrical output of an electrical power source, comprising the steps of:

  • (a) receiving, in a first fluid path, the bulk aircraft fuel from the pressurized reservoir;

    (b) controlling flow rate of the bulk aircraft fuel along the first fluid path;

    (c) fluidically rotating a shaft of the electrical power source in a second fluid path, in response to step (b);

    (d) sensing rotation speed of the electrical power source in the second fluid path by measuring number of revolutions per a time period;

    (e) setting a predetermined rotation speed for the electrical power source;

    (f) measuring a difference between the sensed rotation speed of step (d) and the set predetermined rotation speed of step (e); and

    (g) modifying the flow rate of the fuel along the first fluid path based on step (f) and, in turn, the electrical output of the electrical power source;

    wherein modifying the flow rate of the fuel along the first fluid path includesplacing a valve, separate from the electrical power source, in the first fluid path for controlling the flow rate of the fuel in the first fluid path, andelectrically operating the valve based on the measured difference between the sensed rotation speed of the electrical power source in the second fluid path and the set predetermined rotation speed.

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