Electric heating – Metal heating – By arc
Reexamination Certificate
2006-05-30
2006-05-30
Van, Quang (Department: 3742)
Electric heating
Metal heating
By arc
C219S121480, C250S426000
Reexamination Certificate
active
07053333
ABSTRACT:
An apparatus for producing a vacuum arc plasma source device using a low mass, compact inductive energy storage circuit powered by a low voltage DC supply acts as a vacuum arc plasma thruster. An inductor is charged through a switch, subsequently the switch is opened and a voltage spike of Ldi/dt is produced initiating plasma across a resistive path separating anode and cathode. The plasma is subsequently maintained by energy stored in the inductor. Plasma is produced from cathode material, which allows for any electrically conductive material to be used. A planar structure, a tubular structure, and a coaxial structure allow for consumption of cathode material feed and thereby long lifetime of the thruster for long durations of time.
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Au Michael Y.
Gerhan Andrew N.
Krishnan Mahadevan
Schein Jochen
Woo Robyn L.
Alameda Applied Sciences Corp.
Chesavage Jay A.
Van Quang
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