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US 5,400,005 AGranted
Toroidal transformer with magnetic shunt
AssigneeAlbar, Inc.
InventorHoward H. Bobry
Life of this patent
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Abstract
A transformer or inductor is made by wrapping a magnetic core material about a toroid-like structure made up of one or more electrical windings. A ferroresonant transformer may be constructed by including a slotted washer between primary and secondary windings. By shorting one of the windings, the ferroresonant transformer can be made into a gapped inductor with the gap totally enclosed within the core.
Claims3
A ferroresonant transformer comprising:
- a primary winding;
- a secondary winding;
- a generally planar magnetic shunt, having a central opening, an inner edge about said opening and an opposite outer edge, said shunt being sandwiched between said windings to form together a toroid-like structure having a surface and a central passage;
- a magnetic core formed from a continuous length of material wound around said surface through said passage, at least one of said inner and outer edges being spaced away from said core.
1 more element
Dependencies are inferred from the claim text.