Inductive component and method for adjusting an inductance

Patent metadata

Field	Value
Publication number	US-12315671-B2
Application number	US-202017614447-A
Country	US
Kind code	B2
Filing date	May 27, 2020
Priority date	May 29, 2019
Publication date	May 27, 2025
Grant date	May 27, 2025

Abstract

An inductive component is provided, including: a winding; and a plurality of adjustment bodies configured to adjust an inductance of the inductive component, the adjustment bodies including a ferromagnetic material and surrounding at least some regions of the winding, the inductance being adjusted via a shape and/or a position and/or a number of the adjustment bodies, and a filling body including a non-magnetic material is disposed between at least two of the adjustment bodies.

First claim

The invention claimed is:

1. An inductive component, comprising:
a winding; and
a plurality of adjustment bodies configured to adjust an inductance of the inductive component, the adjustment bodies comprising a ferromagnetic material and surrounding at least some regions of the winding,
wherein the inductance is adjusted via a shape and/or a position and/or a number of the adjustment bodies, and
wherein a filling body comprising a non-magnetic material is disposed to fill a space between at least two of the adjustment bodies.

2. The inductive component according to claim 1 , wherein the winding is disposed at least partially within the adjustment bodies.

3. The inductive component according to claim 1 , wherein the adjustment bodies are further configured as a ring or a sleeve.

4. The inductive component according to claim 1 , wherein the adjustment bodies have different lengths and/or different diameters.

5. The inductive component according to claim 1 ,
wherein the adjustment bodies have a center point relative to a winding axis and the winding has a center point relative to the winding axis, and
wherein the center point of the adjustment bodies is at a distance from the center point of the winding.

6. The inductive component according to claim 1 ,
further comprising a stop configured to limit a displacement of the adjustment bodies along a winding axis,
wherein the adjustment bodies are disposed at a distance from the stop.

7. The inductive component according to claim 1 , wherein the inductance is adjusted via the position of the adjustment bodies relative to a winding axis.

8. The inductive component according to claim 1 ,
wherein the adjustment bodies are fixed relative to the winding by means of an applied bonding agent, and
wherein the adjustment bodies are further configured to be displaceable in a direction of a winding axis without the bonding agent.

9. The inductive component according to claim 1 ,
further comprising a housing configured to provide shielding,
wherein the adjustment bodies are disposed between the housing and the winding.

10. The inductive component according to claim 1 , the inductive component being designed as an air-core coil.

11. The inductive component according to claim 1 , wherein the filling body extends continuously between the two of the adjustment bodies.

12. The inductive component according to claim 1 , wherein the filling body has a same length as at least one of the adjustment bodies.

13. The inductive component according to claim 1 , wherein the filling body has a same diameter as at least one of the adjustment bodies.

Assignees

• Philip Morris Products Sa

Inventors

• Fursa Oleg
• Frey Juergen
• Weber Stefan

Classifications

• H01F27/2823

  Wires (H01F27/2866 takes precedence) · CPC title

• H01F21/10

  by means of a movable shield · CPC title

• H01F27/28 Primary

  Coils; Windings; Conductive connections · CPC title

• H01F41/00

  Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties · CPC title

• H01F27/02

  Casings · CPC title