Claims
- 1. An induction device comprising:
- an elongated toroidal core, said core comprising at least two unitary toroids stacked end-to-end, said at least two unitary toroids being spaced apart from one another, each of said at least two unitary toroids comprising ferromagnetic material;
- a first winding toroidally wound around said core; and
- a second winding toroidally wound around said core.
- 2. The induction device of claim 1 wherein said at least two toroids are of uniform dimensions.
- 3. The induction device of claim 1 further comprising means for connecting said winding to a source of alternating current.
- 4. The induction device of claim 1 wherein exposed ends of said first winding are available at a first end of said induction device and exposed ends of said second winding are available at a second end of said induction device.
- 5. The induction device of claim 4 wherein said first winding is a primary winding and said second winding is a secondary winding.
- 6. The induction device of claim 5 further comprising:
- means at said first end for connecting said exposed ends of said primary winding to a source of alternating current; and
- means at said second end for connecting said exposed ends of said secondary winding to a load.
- 7. The induction device of claim 6 wherein said induction device is a powercord transformer.
- 8. The induction device of claim 1 wherein said ferromagnetic material comprises an alloy of iron and nickel.
- 9. The induction device of claim 1 wherein said induction device is a step-down transformer.
- 10. The induction device of claim 1 wherein said induction device is a step-up transformer.
- 11. The induction device of claim 1 further comprising a third winding toroidally wound around said core for sensing flux in said core.
- 12. An induction device comprising:
- an elongated toroidal core, said core comprising at least two unitary toroids stacked end-to-end, said at least two unitary toroids being spaced apart from one another, each of said at least two unitary toroids comprising ferromagnetic material;
- a first winding toroidally wound around said core; and
- a protective outer layer, said outer layer being electrically insulating and thermally conductive.
- 13. An induction device comprising:
- an elongated toroidal core, said core comprising at least two unitary toroids stacked end-to-end, said at least two unitary toroids being spaced apart from one another, each of said at least two unitary toroids comprising ferromagnetic material; and
- a first winding toroidally wound around said core, wherein said induction device is flexible.
- 14. A flexible induction device, comprising:
- an elongated toroidal core, said core comprising at least two toroids stacked end-to-end, said at least two toroids being spaced apart from one another, each of said at least two toroids comprising ferromagnetic material;
- a first winding toroidally wound around said core; and
- an outer layer for encouraging any bending of said induction device in an area between said at least two toroids and for discouraging bending in an area around each said at least two toroids.
- 15. The induction device of claim 14 wherein said outer layer is thicker in said area around each said at least two toroids compared with said area between said at least two toroids.
- 16. An induction device comprising:
- an elongated toroidal core, said core comprising at least two unitary toroids stacked end-to-end, said at least two unitary toroids being spaced apart from one another, each of said at least two unitary toroids comprising ferromagnetic material;
- a first winding toroidally wound around said core;
- a second winding toroidally wound around said core; and
- insulating means for separating said first winding and said second winding.
- 17. An induction device comprising:
- an elongated toroidal core, said core comprising at least two unitary toroids stacked end-to-end, said at least two unitary toroids being spaced apart from one another, each of said at least two unitary toroids comprising ferromagnetic material;
- a first winding toroidally wound around said core;
- a second winding toroidally wound around said core; and
- a protective outer layer, said outer layer being electrically insulating and thermally conductive.
Parent Case Info
This is a continuation of application Ser. No. 08/004,338, filed Jan. 14, 1994 now abandoned.
US Referenced Citations (11)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1511775 |
Sep 1989 |
SUX |
Continuations (1)
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Number |
Date |
Country |
Parent |
04338 |
Jan 1993 |
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