Importance

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Abstract

A linear transformer switch adaptable for connecting the transformer windings in series-parallel or Delta-Y, the switch including a pair of dielectric plates having a number of sets of fixed contacts mounted in a parallel spaced relation, each contact having flat contact surfaces on each side, a bar mounted between the plates for linear movement, at least one sliding current carrying contact assembly mounted on the bar for each set of fixed contacts, each sliding current carrying contact assembly including a pair of conductive plates of a length sufficient to engage two fixed contacts and a pair of louvered contact sections mounted on each conductive plate, with the sections on one plate opposing the sections on the other plate, and a Geneva drive assembly operatively positioned to move the bar one step in each revolution of the bar and being operable externally of the transformer.

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First Claim