Pulsed mode cathode

Details Pulsed mode cathode Pulsed mode cathode

1993-06-25

1994-10-25

Bertsch, Richard A.

Power plants

Reaction motor

Electric, nuclear, or radiated energy fluid heating means

313341, 313346R, 313346DC, 31511181, H01J 114, H01J 115, H05B 3126

Patent

active

053577477

ABSTRACT:
A cathode in an MPD thruster has an internal heater and utilizes low work function material. The cathode is preheated to operating temperature, and then the thruster is fired by discharging a capacitor bank in a pulse forming network.

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Sovey et al-"Performance and Lifetime Assessment of MPD Arc Thruster Technology"-NASA Tech. Memo. 101293 Jul. 1988.
Myers et al "MPD Thruster Technology"-NASA Technical Memorandum 105242-Sep. 1991.

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