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Priority to ES0255709ApriorityCriticalpatent/ES255709A3/en
Publication of ES255709A3publicationCriticalpatent/ES255709A3/en
Arc welding system, characterized in that it comprises the combination of an alternating current control system for an ac motor that can be operated to maintain a predetermined condition in a circuit and that has a phase winding arranged to be connected to a source substantially alternating current excitation constant and an additional phase winding for the motor located in phase spatial relationship to said winding, means for providing a phase change in the current of the additional phase winding with respect to the current in said winding phase in one direction and variable reactance means connected in series circuit relationship with the additional phase winding having an energized dc control winding from the circuit to vary the phase angle of the current in said winding in relation to to the current in the aforementioned winding defase in the opposite direction. (Machine-translation by Google Translate, not legally binding)
ES0255709A1960-02-031960-02-03Arc welding system (Machine-translation by Google Translate, not legally binding)
ExpiredES255709A3
(en)
Oscillation circuit for semiconductive switch and spark ignition system for internal combustión engines based on such circuit. (Machine-translation by Google Translate, not legally binding)
Connection provision for the maneuver of the luminosity of flammable lamps powered by alternate current. (Machine-translation by Google Translate, not legally binding)
Device for the automatic production and regulation of the excitering current of a synchronous synchronous generator single-phase or polypsy (Machine-translation by Google Translate, not legally binding)