Secondary-sided arrangement of winding structures and a method for manufacturing a secondary-sided arrangement

Patent metadata

Field	Value
Publication number	US-11742137-B2
Application number	US-201716471260-A
Country	US
Kind code	B2
Filing date	Dec 20, 2017
Priority date	Dec 22, 2016
Publication date	Aug 29, 2023
Grant date	Aug 29, 2023

Abstract

A secondary-sided arrangement of at least one secondary winding structure includes at least one phase line and one secondary winding structure per phase line, wherein the secondary-sided arrangement comprises at least two magnetically conducting elements, at least one lateral outer magnetically conducting element and at least one inner magnetically conducting element, wherein a width of the at least one lateral outer magnetically conducting element is larger than a width of the at least one inner magnetically conducting element and/or a length of the at least one inner magnetically conducting element is smaller than a length of the at least one lateral outer magnetically conducting element. A method for manufacturing a secondary-sided arrangement is also disclosed.

First claim

The invention claimed is:

1. A secondary-sided arrangement of at least one secondary winding structure, wherein the secondary-sided arrangement comprises:
at least one phase line and one secondary winding structure per phase line, wherein the secondary-sided arrangement comprises at least two magnetically conducting elements;
at least one lateral outer magnetically conducting element and at least one inner magnetically conducting element;
wherein at least one secondary winding structure extends along a longitudinal axis of the secondary-sided arrangement;
wherein the at least one secondary winding structure comprises two or more subwinding structures which extend along the longitudinal axis;
wherein successive subwinding structures of the at least one secondary winding structure are arranged adjacent to one another along the longitudinal axis;
wherein at least one subwinding structure comprises at least one winding section which extends along the longitudinal axis and at least one winding section which extends along a lateral axis;
wherein the lateral axis is oriented perpendicular to the longitudinal axis;
wherein a length is measured along the longitudinal axis and a width is measured along the lateral axis; and
wherein
a length of the at least one inner magnetically conducting element is smaller than a length of the at least one lateral outer magnetically conducting element, wherein the at least one secondary winding structure is substantially arranged within a two-dimensional plane spanned by the longitudinal and lateral axes, wherein at least one section of at least one magnetically conductive element extends into or through a volume or area enclosed by the at least one secondary winding structure or by a subwinding structure of the at least one secondary winding structure.

2. The secondary-sided arrangement of claim 1 , wherein one magnetically conducting element of the at least two magnetically conducting elements is provided by a bar element or that a magnetically conducting element comprises multiple subelements, wherein one subelement is provided by a bar element.

3. The secondary-sided arrangement of claim 1 , wherein one magnetically conducting element of the at least two magnetically conducting elements comprises at least one row of at least two magnetically conductive subelements.

4. The secondary-sided arrangement of claim 3 , wherein the at least two magnetically conductive subelements of the at least one row overlap each other at least partially.

5. The secondary-sided arrangement of claim 3 , wherein the at least two magnetically conductive subelements of the at least one row are aligned with a lateral offset to one another.

6. The secondary-sided arrangement of claim 1 , wherein one magnetically conducting element of the at least two magnetically conducting elements comprises at least one lower portion and at least one upper portion.

7. The secondary-sided arrangement of claim 1 , wherein one magnetically conducting element of the at least two magnetically conducting elements provides a recess to receive at least a section of the at least one secondary winding structure.

8. The secondary-sided arrangement of claim 1 , wherein a gap is provided between two adjacent magnetically conducting elements of the at least two magnetically conducting elements along a lateral direction.

9. The secondary-sided arrangement of claim 1 , wherein a width of the at least one lateral outer magnetically conducting element broadens in at least one section along the length of the at least one lateral outer magnetically conducting element.

10. The secondary-sided arrangement of claim 1 , wherein the at least one lateral outer magnetically conducting element has or provides a lateral protruding section.

11. The secondary-sided arrangement of claim 1 , further comprising:
at least one antenna element,
wherein at least one portion of at least one magnetically conducting element of the at least two magnetically conducting elements is a part of the at least one antenna element.

12. The secondary-sided arrangement of claim 1 , wherein one magnetically conducting element of the at least two magnetically conducting elements comprises at least one row of at least two magnetically conductive subelements;
wherein the at least one row comprises:
lower magnetically conductive subelements and at least one upper magnetically conductive subelement,
wherein the lower magnetically conductive subelements are arranged within a volume or area enclosed by the subwinding structures of the at least one secondary winding structure, and
wherein the at least one upper magnetically conductive element bridges the section of the winding structure between volumes of two adjacent subwinding structures, wherein adjacent sections of the subwinding structures which extend along the lateral axis are arranged within a recess provided by the lower magnetically conductive elements and the at least one upper magnetically conductive element.

13. A method of manufacturing a secondary-sided arrangement of at least one secondary winding structure, wherein the method comprises:
providing at least one phase line and one secondary winding structure per phase line, wherein at least one secondary winding structure extends along a longitudinal axis of the secondary-sided arrangement, wherein the at least one secondary winding structure comprises two or more subwinding structures which extend along the longitudinal axis, wherein successive subwinding structures of the at least one secondary winding structure are arranged adjacent to one another along the longitudinal axis, wherein at least one subwinding structure comprises at least one winding section which extends along the longitudinal axis and at least one winding section which extends along a lateral axis, wherein the lateral axis is oriented perpendicular to the longitudinal axis; and wherein a length is measured along the longitudinal axis and a width is measured along the lateral axis;
providing at least two magnetically conducting elements;
providing one of the at least two magnetically conducting elements as a lateral outer magnetically conducting element by arranging one of the at least two magnetically conducting element such that it is arranged at a lateral side of a set of all magnetically conducting elements;
providing one of the at least two magnetically conducting elements as an inner magnetically conducting element by arranging one of the at least two magnetically conducting element such that it is not arranged at a lateral side of the set of all magnetically conducting elements; and
providing the lateral outer magnetically conducting element and the inner magnetically conducting element such that
a length of the inner magnetically conducting element is smaller than a length of the lateral outer magnetically conducting element, wherein the at least one secondary winding structure is substantially arranged within a two-dimensional plane spanned by the longitudinal and lateral axes, wherein at least one section of at least one magnetically conductive element extends into or through a volume or area enclosed by the at least one secondary winding structure or by a subwinding structure of the at least one secondary winding structure.

14. The method of claim 13 , wherein one magnetically conducting element of the at least two magnetically conducting elements comprises at least one row of at least two magnetically conductive subelements;
wherein the at least one row comprises:
lower magnetically conductive subelements and at least one upper magnetically conductive subelement,
wherein the lower magnetically

Assignees

• Bombardier Primove Gmbh

Inventors

• Lindt Rudolf
• Garcia Federico
• Czainski Robert
• Anders Dominik
• Klingspor Alexander

Classifications

• H01F38/14 Primary

  Inductive couplings {(for wireless supply or distribution of electric power using inductive coupling H02J50/10)} · CPC title

• B60L53/12 Primary

  Inductive energy transfer · CPC title

• H01F27/28

  Coils; Windings; Conductive connections · CPC title

• H01F27/366

  made of ferromagnetic material · CPC title

• H01F41/04

  for manufacturing coils {(coils for transformer or inductances H01F27/28)} · CPC title