FIELD: astronautics.
SUBSTANCE: invention relates to space engineering and can be used in electric rocket engines. Plasma engine with closed electron drift comprises at least one cathode-compensator, discharge system and magnetic system with magnetic circuit. External outline of magnetic circuit is elliptical with truncation, which forms inter-pole gap. Truncation of magnetic circuit is perpendicular to plasma engine axis. Magnetic circuit is additionally inextricably truncated on opposite side relative to interpolar gap. Magnetic circuit along axis of symmetry can be hollow. Magnetic system can be toroid-shaped. A cathode-compensator can be located in the cavity of the magnetic system.
EFFECT: using invention increases efficiency of plasma engine and resource of its operation.
6 cl, 3 dwg
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