Induction charging device for a vehicle charging system

1 . An induction charging device for a vehicle charging system, comprising:

at least one coil for generating or receiving a magnetic alternating field,

at least two magnetic-flux guiding elements spaced apart from one another,

at least one gap disposed between the at least two magnetic-flux guiding elements, spaced apart from one another,

a filling assembly at least partially arranged in the at least one gap,

wherein the filling assembly is at least partly magnetically conductive,

wherein the filling assembly includes a plurality of layers,

at least one of the plurality of layers of the filling assembly defines a magnetically conductive layer and at least one other of the plurality of layers of the filling assembly defines a magnetically neutral layer,

the at least one gap has a gap height corresponding to a thickness of the at least two magnetic-flux guiding elements, a gap width corresponding to a distance between adjacent faces of the at least two magnetic-flux guiding elements, and a gap length extending in a direction transversely to the gap height and the gap length, and

the filling assembly, arranged in the at least one gap, is defined of different layers including the magnetically conductive layer and the magnetically neutral layer with respect to at least one of the gap height and the gap length.

2 . The induction charging device according to claim 1 , wherein the magnetically conductive layer of the filling assembly has magnetic-flux guiding particles; and

wherein at least one of:

at least a portion of the magnetic-flux guiding particles define respectively a particle shape deviating from a spherical shape,

at least a portion of the magnetic-flux guiding particles define respectively a particle shape in the form of a spheroid,

at least a portion of the magnetic-flux guiding particles define respectively a particle shape in the form of a triaxial ellipsoid, and

at least a portion of the magnetic-flux guiding particles define respectively a flat particle shape.

3 . The induction charging device according to claim 2 , wherein at least one of:

at least a portion of the magnetic-flux guiding particles is introduced as fill into the at least one gap,

at least a portion of the magnetic-flux guiding particles is introduced as loose fill into the at least one gap,

at least a portion of the magnetic-flux guiding particles is introduced as compressed fill into the at least one gap.

4 . The induction charging device according to claim 3 , wherein at least one of:

the fill is arranged with a separate positional securing in the at least one gap, wherein the separate positional securing is arranged in the at least one gap free of material connection with respect to the at least two magnetic-flux guiding elements, and

the fill is arranged with an integral positional securing in the at least one gap, wherein the integral positional securing is connected at least partly in a materially connected manner with the at least two magnetic-flux guiding elements.

5 . The induction charging device according to claim 4 , wherein:

the separate positional securing has a casing body for an entire encasing of the magnetic- flux guiding particles of the fill, and

the casing body provides a package together with the magnetic-flux guiding particles of the fill.

6 . The induction charging device according to claim 4 , wherein:

the fill that is arranged with the integral positional securing in the at least one gap defines a porous solid body layer, and

the porous solid body layer is defined by the magnetic-flux guiding particles that have a surface coating for materially connected connection with one another and for at least partial materially connected connection with the at least two magnetic-flux guiding elements.

7 . The induction charging device according to claim 2 , wherein:

the magnetically conductive layer of the filling assembly has at least one embedding matrix for an embedding of magnetic-flux guiding particles, and/or

at least a portion of the magnetic-flux guiding particles is introduced as filler in at least one embedding matrix of the filling assembly, and/or

the at least one embedding matrix with magnetic-flux guiding particles embedded therein is introduced in pasty form into the at least one gap, or

the at least one embedding matrix with magnetic-flux guiding particles embedded therein is introduced in pasty form into the at least one gap, wherein the at least one embedding matrix is provided from an actively hardenable matrix material, or

the at least one embedding matrix with magnetic-flux guiding particles embedded therein is introduced in pasty form into the at least one gap, wherein the at least one embedding matrix is provided from a passively hardenable matrix material.

8 . The induction charging device according to claim 1 , wherein at least one of:

the at least one magnetically conductive layer of the filling assembly is arranged between two magnetically neutral layers of the filling assembly, and

the at least one magnetically conductive layer of the filling assembly is arranged touching on at least one magnetically neutral layer of the filling assembly.

9 . The induction charging device according to claim 1 , wherein at least one of:

at least one magnetically neutral layer of the filling assembly is an air layer,

at least one magnetically neutral layer of the filling assembly forms through a magnetically neutral solid body layer, and

at least one magnetically neutral solid body layer of the filling assembly defines a magnetically neutral outer layer that is provided partly within the at least one gap and partly outside the at least one gap.

10 . The induction charging device according to claim 9 , wherein at least one of:

the at least one magnetically neutral solid body layer of the filling assembly is defined by a magnetically neutral casting compound,

the magnetically neutral outer layer is provided for at least one of the distancing, connecting, fixing, and positioning of components, and

the at least two magnetic-flux guiding elements, spaced apart from one another, provide together with the filling assembly in the at least one gap an assembly that is able to be mounted in one piece.

11 . The induction charging device according to claim 1 , wherein:

at least two gaps, spaced apart from one another, are provided, in which respectively a filling assembly with at least one magnetically neutral layer is arranged, and

the magnetically neutral layers are connected to one another.

12 . The induction charging device according to claim 1 , wherein at least one of:

at least one layer of the filling assembly has magnetic-flux guiding particles, wherein within this layer a concentration of the magnetic-flux guiding particles varies spatially, and

at least two layers of the filling assembly have respectively magnetic-flux guiding particles, wherein a concentration of the magnetic-flux guiding particles is different in the at least two layers.

13 . The induction charging device according to claim 1 , wherein:

the at least two magnetic-flux guiding elements includes further magnetic-flux guiding elements spaced apart from one another,

wherein between the magnetic-flux guiding elements spaced apart from one another, several gaps are disposed, and

wherein only in a portion of the gaps respectively the filling assembly is at least partly arranged.

14 . The induction charging device according to claim 1 , wherein the magnetically neutral layer is a magnetically neutral solid body layer formed as an outer layer that projects out of the at least one gap in a gap height direction for at least one of the distancing, connecting, fixing, and positioning of components.

15 . An arrangement of magnetic-flux guiding elements for an induction charging device, comprising:

at least two magnetic-flux guiding elements spaced apart from one another,

at least one gap disposed between the at least two magnetic-flux guiding elements that are spaced apart from one another,

wherein the at least one gap is filled partly or entirely by a filling assembly with a plurality of layers,

wherein the at least two magnetic-flux guiding elements, spaced apart from one another, provide together with the filling assembly in the at least one gap an assembly that is able to be mounted in one piece,

wherein at least one layer of the filling assembly defines a magnetically conductive layer and at least one other layer of the filling assembly defines a magnetically neutral layer,

wherein the at least one gap has a gap height corresponding to a thickness of the at least two magnetic-flux guiding elements, a gap width corresponding to a distance between adjacent faces of the at least two magnetic-flux guiding elements, and a gap length extending in a direction transversely to the gap height and the gap length, and

wherein the filling assembly, arranged in the at least one gap, is defined of different layers with respect to at least one of the gap height and the gap length including the magnetically conductive layer and the magnetically neutral layer.

16 . The arrangement according to claim 15 , wherein the magnetically conductive layer of the filling assembly has magnetic-flux guiding particles.

17 . The arrangement according to claim 16 , wherein:

the magnetically conductive layer is arranged between two magnetically neutral layers of the filling assembly, and

the magnetic-flux guiding particles of the magnetically conductive layer are provided as a loose fill comprising the magnetic-flux guiding particles and air.

18 . A vehicle charging system, comprising:

a stationary induction charging station that is defined at least partly by an induction charging device, and/or

a mobile induction charging device, able to be attached to a vehicle, that is defined at least partly by the induction charging device,

wherein the induction charging device includes:

at least one coil for generating or receiving a magnetic alternating field,

at least two magnetic-flux guiding elements spaced apart from one another,

at least one gap disposed between the at least two magnetic-flux guiding elements,

a filling assembly at least partially arranged in the at least one gap,

wherein the filling assembly is at least partly magnetically conductive,

wherein the filling assembly includes a plurality of layers,

the plurality of layers of the filling assembly including at least one layer that defines a magnetically conductive layer and at least one other layer that defines a magnetically neutral layer,

wherein the at least one gap has a gap height corresponding to a thickness of the at least two magnetic-flux guiding elements, a gap width corresponding to a distance between adjacent faces of the at least two magnetic-flux guiding elements, and a gap length extending in a direction transversely to the gap height and the gap length,

wherein the filling assembly, arranged in the at least one gap, is defined of different layers including the magnetically conductive layer and the magnetically neutral layer with respect to at least one of the gap height and the gap length; and

wherein the magnetically conductive layer of the filling assembly is defined by magnetic-flux guiding particles.

19 . The vehicle charging station according to claim 18 , wherein at least one of:

at least a portion of the magnetic-flux guiding particles define respectively a particle shape deviating from a spherical shape,

at least a portion of the magnetic-flux guiding particles define respectively a particle shape in the form of a spheroid,

at least a portion of the magnetic-flux guiding particles define respectively a particle shape in the form of a triaxial ellipsoid, and

at least a portion of the magnetic-flux guiding particles define respectively a a lenticular or plate-like shape.

20 . The vehicle charging station according to claim 18 , wherein the magnetically neutral layer is a magnetically neutral solid body layer formed as an outer layer that projects out of the at least one gap in a gap height direction for at least one of the distancing, connecting, fixing, and positioning of components.