FIELD: engines and pumps.
SUBSTANCE: motorisation device of pump (2), which feeds a rocket engine of a space vehicle, includes inertia wheel (1) and device for rotation transfer from an inertia wheel to a pump. As per a preferable version of the proposed invention, it includes measurement instruments of the wheel rotation speed and means (21) for detachment of wheel (1) and pump (2) at the rotation speed that is lower than the specified speed that is lower than nominal wheel rotation speed. This invention especially relates to a space vehicle containing a rocket engine, the feed system of which includes at least one pump driven with the device corresponding to this invention, as well as actuation means of the above device when the aircraft is in flight.
EFFECT: simpler design of the pump drive, higher reliability and lower weight.
18 cl, 13 dwg
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