Plasma torch starting circuit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 30, 1980
Grant Date -
N/A
app pub date -
Sep 26, 1977
filing date -
Sep 26, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plasma torch system is provided which creates a pilot arc having high instantaneous power and low average power. The pilot arc ignition circuit reduces the pilot arc duty cycle by pulsing on the pilot arc and then extinguishing it. A plasma torch disclosed also reduces RF noise in the line by eliminating the additional spark gap typically used in the power supply circuit and by placing the triggering circuit on or adjacent the torch handle.
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