Apparatus and method for synchronizing a firing circuit for a brushless alternator rectified D. C. welder
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United States of America Patent
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Aug 22, 1995
Grant Date -
N/A
app pub date -
Dec 6, 1993
filing date -
Dec 6, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An engine-driven, multiple-phase, alternator-powered SCR rectified arc welding power supply using a single synchronizing winding within the alternator providing signals to a synchronizing digitizer which masks noise for most of each cycle of the alternator. The synchronizing circuitry prevents spurious synchronizing signals.
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