Electric heating – Metal heating – By arc
Patent
1991-02-25
1992-07-14
Shaw, Clifford C.
Electric heating
Metal heating
By arc
2191301, B23K 910
Patent
active
051305160
ABSTRACT:
A choke, for TIG welding machines or plasma cutting installations in which clocked current sources and high voltage ignition devices are employed, has a core comprising a combination of transformer plates and ferrite material.
REFERENCES:
patent: 3663913 (1972-05-01), Kato et al.
patent: 4103221 (1978-07-01), Fukui et al.
patent: 4205288 (1980-05-01), Lin et al.
patent: 4613841 (1986-09-01), Roberts
Rehm Schweisstechnik GmbH u. Co.
Shaw Clifford C.
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