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US 7,479,863 B2Granted
Jointless windings for transformers
AssigneeAstec International Limited
InventorsChecky Chow Chi Kit, Kelvin So Wing Chi, Francois Lai Chung Hang
Life of this patent
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Abstract
A transformer includes at least two windings. Each winding has at least one turn, and the windings are configured from a loop of electrically conductive material.
Claims22
A transformer comprising:
- at least two windings;
- and
- wherein each said winding has at least one turn, the windings are configured from a jointless loop of electrically conductive material.
A matrix transformer comprising:
- a primary winding;
- a secondary winding;
- and
- at least one of the windings configured from a single jointless loop of electrically conductive material.
1 more element
A method of making a winding for a matrix transformer, the method comprising:
- providing a jointless loop of electrically conductive material;
- and
- folding the loop to form at least two windings for a matrix transformer.
Dependencies are inferred from the claim text.