FR825757A - Dispositif pour abaisser la tension à vide d'un transformateur plus particulièrement applicable à l'alimentation d'un arc électrique
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Dispositif pour abaisser la tension à vide d'un transformateur plus particulièrement applicable à l'alimentation d'un arc électrique
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Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges ClaudefiledCriticalAir Liquide SA
Application grantedgrantedCritical
Publication of FR825757ApublicationCriticalpatent/FR825757A/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K9/00—Arc welding or cutting
B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
B23K9/1006—Power supply
B23K9/1012—Power supply characterised by parts of the process
B23K9/1031—Reduction of the arc voltage beneath the arc striking value, e.g. to zero voltage, during non-welding periods
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Engineering & Computer Science
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Physics & Mathematics
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Plasma & Fusion
(AREA)
Mechanical Engineering
(AREA)
FR825757D1936-08-211937-08-19Dispositif pour abaisser la tension à vide d'un transformateur plus particulièrement applicable à l'alimentation d'un arc électrique
ExpiredFR825757A
(fr)