Inductive charging coil device
OwnerFriederike Stock, Guenter Lohr +4inventors
InventorsFriederike Stock, Guenter Lohr, Wilifried Aichele, Dragan Krupezevic, Juergen Mack, Marcin Rejman
Life of this patent
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Abstract
An inductive charging coil device, in particular a hand-held power tool inductive charging coil device, includes at least one coil unit and at least one core unit. It is provided that the core unit is at least partially formed by microscopic core elements embedded in a binder.
Claims19
1-13. (canceled)
An inductive charging coil device, comprising:
- at least one coil unit;
- and
- at least one core unit;
- wherein the core unit is at least partially formed by microscopic core elements embedded in a binder.
An inductive charging coil device, comprising:
- at least one coil unit;
- and
- at least one core unit;
- wherein the core unit has a plurality of core elements, which are at least partially formed by sintered fragments.
An inductive charging coil device, comprising:
- at least one coil unit;
- and
- at least one core unit;
- wherein the core unit has areas having a differing core material composition.
A system, comprising:
- at least two inductive charging coil devices, wherein each of the inductive charging coil devices includes at least one coil unit and at least one core unit;
- wherein the core unit of at least one of the inductive charging coil devices has a plurality of core elements, which are at least partially formed by sintered fragments, and wherein the core elements have a mean diameter, which is at least 10 μm multiplied by a ratio of a core diameter of the core unit divided by an air gap in at least one operating state of the inductive charging coil devices.
A method for manufacturing a core unit of an inductive charging coil device, the device including at least one coil unit and the core unit, the method comprising:
- at least partially forming the core unit by microscopic core elements embedded in a binder.
A hand-held power tool device, comprising:
- an inductive charging coil device, including at least one coil unit and at least one core unit, wherein the core unit is at least partially formed by microscopic core elements embedded in a binder.
A hand-held power tool device, comprising:
- an inductive charging coil device, including at least one coil unit and at least one core unit, wherein the core unit has a plurality of core elements, which are at least partially formed by sintered fragments.
A hand-held power tool device, comprising:
- an inductive charging coil device, including at least one coil unit and at least one core unit, wherein the core unit has areas having a differing core material composition.
Dependencies are inferred from the claim text.