FIELD: engines and pumps.
SUBSTANCE: engine comprises discharge channel (50) with exposed downstream channel (52), cathode (100) arranged inside discharge channel (50), system (30) to inject gas atoms into discharge channel (50) located at upstream end of discharge channel (50) to make the anode, and cathode (100) heater (60). Jet engine (1) incorporates means (70) to measure the temperature Td of the heater (60) and temperature adjustment control circuit (80). Heater (60) performs heating only its temperature Td is lower than threshold temperature Ts below which it is possible to start the jet engine and terminates the heating immediately after reaching of said threshold temperature Ts.
EFFECT: longer life of cathode and prolonged operation of jet engine.
7 cl, 2 dwg
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