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Priority to ES231981ApriorityCriticalpatent/ES231981A1/en
Publication of ES231981A1publicationCriticalpatent/ES231981A1/en
Load switch for stepped transformers, characterized in that d contacts are provided for the switching of fixed and mobile loads arranged in pairs in one row and excess switching resistances connected to them, in which the succession of connection and disconnection of the contacts mobiles applied to the contacts for the switching of fixed loads are spontaneously controlled from a driving member on intermediate elements of rapid movement along the row of the fixed contacts, and further characterized in that a contact carrier driven by the driving member fulfills the purpose of guiding the contacts for the switching of mobile loads in the direction of the contacts for the switching of fixed loads to or from these without force drag with the movable contacts, while a contact guide bar is also driven by the driving device and compressed against it made by driving rods the c opening and opening of the contact terminals for the switching of mobile loads, so that the latter, within the mobile contact carrier used to guide them, perform an insignificant back and forth motion in relation to their total contact travel. (Machine-translation by Google Translate, not legally binding)
ES231981A1956-11-171956-11-17Change switch for stage transformers (Machine-translation by Google Translate, not legally binding)
ExpiredES231981A1
(en)
Improvements in the electric switches with means of testing the welding of their contacts (Machine-translation by Google Translate, not legally binding)