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US 12,726,051 B2Granted
Wireless charging device with improved charging efficiency and heat generation reduction effect
AssigneesHyundai Motor Company, Kia Corporation, Industry Foundation of Chonnam National University
InventorsYoung Min Kim, Dong Hee Kim, Chang Su Shin, Seung Jin Jo
Life of this patent
Estimating the term…
Abstract
A wireless charging device is proposed. The wireless charging device may maximize charging efficiency improvement and heat generation reduction effect by appropriately arranging a second magnetic body on a first magnetic body, resulting in an offset of a magnetic flux linkage occurring inside an aluminum shield due to a magnetic field having passed through the first magnetic body.
Claims20
A wireless charging device comprising:
- a first magnetic body having a plane shape;
- a second magnetic body having a plane shape and disposed on the first magnetic body;
- a coil disposed under the first magnetic body;
- and
- a shield disposed on the second magnetic body,
- wherein the shield comprises an aluminum material,
- wherein the first magnetic body comprises a soft magnetic material, and
- wherein the second magnetic body comprises a hard magnetic material.
5 more elements
A vehicle comprising:
- a wireless charging device comprising:
- a first magnetic body having a plane shape,
- a second magnetic body having a plane shape and disposed on the first magnetic body,
- a coil disposed under the first magnetic body, and
- a shield disposed on the second magnetic body,
- wherein the shield comprises an aluminum material,
- wherein the first magnetic body comprises a soft magnetic material, and
- wherein the second magnetic body comprises a hard magnetic material.
5 more elements
Dependencies are inferred from the claim text.