LIQUID-FUEL ROCKET ENGINE Russian patent published in 2021 - IPC F02K9/48 

FIELD: rocket technology.

SUBSTANCE: invention relates to rocket technology. The liquid-fuel rocket engine includes booster pumping units, a turbopump unit, a chamber and a gas generator, while an autonomous battery is included in the engine, the drives of booster pumps are made in the form of synchronous electric motors, and a synchronous electric generator with a rotor on the shaft and a stator in the pump unit housing is built into the design of the pump unit, and the terminals of the electric motors and the electric generator are switched with the terminals of the battery through a DC voltage converter to AC phase voltages, which also provides a reverse conversion function.

EFFECT: invention provides an increase in the specific impulse of a liquid-fuel engine with booster pumping units.

1 cl, 1 dwg