FIELD: aircraft industry; aircraft engines.
SUBSTANCE: proposed system contains the following devices mounted in series on drive shaft:fuel feed pumping unit and gear metering pumping unit with constant pressure differential valve. Controllable jet is installed in system parallel to metering pumping unit which provides making up of space of metered out fuel with non-metered fuel at change of speed of rotation of drive.
EFFECT: improved accuracy of control depending on change of fuel rate according to speed.
3 dwg
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RU2228455C2 |
