Multiple-toroid induction device

Details Multiple-toroid induction device Multiple-toroid induction device

1994-09-28

1996-07-23

Thomas, Laura

Inductor devices

Plural part core

336229, 336178, H01F 2728

Patent

active

055393691

ABSTRACT:
An induction device has an elongated core made of two or more uniform ferromagnetic spaced-apart toroids. A first winding around the core creates an inductor. When the induction device includes a second winding, a transformer is created. The transformer acts as a powercord transformer when the exposed ends of one winding are available at one end of the elongated core for connection to a source of alternating current and the exposed ends of the other winding are available at the other end of the core for connection to a load. An inductor with a single-turn winding can be constructed by first forming the core by stacking two or more ferromagnetic toroids end-to-end and spaced apart, then threading two wires through the core center and placing two wires outside the core and connecting the ends of the wires to create the winding. A transformer can be constructed by first following the steps to create an inductor. A second winding is then created in a similar manner as the first winding.

REFERENCES:
patent: 2314912 (1943-03-01), Troy
patent: 2436742 (1948-02-01), Bussey
patent: 2820109 (1958-01-01), Dewitz
patent: 3327253 (1967-06-01), Campbell
patent: 3423710 (1969-01-01), Allen
patent: 3454916 (1969-07-01), Hoover
patent: 4160966 (1979-07-01), Kennedy
patent: 4484171 (1984-11-01), McLoughlin
patent: 4513274 (1985-04-01), Halder
patent: 4519015 (1985-05-01), Lin
patent: 4939623 (1990-07-01), Equi et al.

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