Electrically operated magnetic switch designed to display reduced leakage inductance

An electrically operated magnetic switch adapted for connection between first and second terminals whereby to provide alternatively an open circuit or a closed circuit between said terminals depending upon the voltage across the latter, said switch comprising:

• a ferrite core in the shape of a toroid having opposite inner and outer sides;
• and means defining at least one current flow path making a plurality of turns around a section of said core including said opposite sides, said current flow path defining means including a first plurality of electrically conductive rigid rods parallel with and outside the outer side of the toroidal shaped core, a second plurality of electrically conductive rigid rods parallel with and on the inside of the inner surface of the toroidal shaped core, and rigid cross-tab means means for electrically connecting said rods together so that they form said current flow path, said first plurality of electrically conductive rigid rods including a greater number of rods than said second plurality of rods and said cross-tab means interconnecting the rods to one another to define said flow path such that at least some of the sections of said flow path outside the core include parallel connected rods.

An electrically operated magnetic switch adapted for connection between first and second terminals whereby to provide alternatively an open circuit or a closed circuit between said terminals depending upon the voltage across the latter, said switch comprising:

• a ferrite core in the shape of a toroid having opposite inner and outer sides;
• and means defining at least one current flow path making a plurality of turns around a section of said core including said opposite sides, said current flow path defining means including a first plurality of electrically conductive rigid rods parallel with and outside the outer side of the toroidal shaped core, a second plurality of electrically conductive rigid rods parallel with and on the inside of the inner surface of the toroidal shaped core, and means for electrically connecting said rods together so that they form said current flow path, said means for electrically connecting said rods together including printed circuit means located at each end of the toroidal shaped core.

An electrically operated magnetic switch, comprising a ferrite core of particular configuration and means defining at least one current flow path of particular configuration making at least one turn around said core, said switch providing alternatively opened and closed circuits between cooperating first and second terminals depending upon the voltage across said terminals, said current flow path defining means including at least one electrically conductive rigid rod on each of opposite sides of said core and means for electrically connecting said rods together so as to form said path, said means for connecting said rods together including printed circuit means.