Vacuum cathode arc-induced pulsed thruster

A vacuum cathode arc-induced pulsed thruster comprising:

• a housing defining a central axis and having an inner peripheral wall, with a triggering room and an electric discharging room respectively enclosed by said inner peripheral wall, said triggering room and said electric discharging room being in communication with each other;
• a first anode unit and a second anode unit respectively disposed in said triggering room and said electric discharging room, said first anode unit and said second anode unit fitting said inner peripheral wall of said housing respectively and spaced from each other;
• an insulating fuel layer surrounded by said first anode unit;
• a first cathode unit disposed in said triggering room and spaced from said first anode unit, with said insulating fuel layer located between said first anode unit and said first cathode unit;
• a main insulating layer surrounded by said first cathode unit;
• and
• a second cathode unit disposed in said housing and inserted from said triggering room into said electric discharging room along said central axis;
• wherein said first anode unit, said insulating fuel layer, said first cathode unit, and said main insulating layer are in concentric relationship with one another around said central axis of said housing.