Patents Assigned to Lucas Industries public limited company of Brueton House
  • Patent number: 5209058
    Abstract: A gas turbine engine fuel control system includes a metering device responsive to an electrical signal for regulating fuel flow from a pump to the engine, a shut-off valve downstream of the metering device and operable by a first servo pressure, a spill valve operable by a second servo pressure for spilling fuel from upstream of the metering device, an electrically operable valve for controlling the first and second servo pressures, and a circuit for supplying electrical signals to the metering device and the electrically operable valve so that during shut down of the system the spill valve and the shut off valve are maintained respectively open and shut before the metering device shuts.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: May 11, 1993
    Assignee: Lucas Industries public limited company of Brueton House
    Inventors: Brian E. Sparks, Simon J. Burr