IP Library Granted Patent US 10,325,712
Granted Patent B2
US 10,325,712 · App. 15/487,910 · Granted Jun 18, 2019

Adjustable integrated combined common mode and differential mode three phase inductors with increased common mode inductance and methods of manufacture and use thereof

Inventor: Todd A. Shudarek (West Bend, WI)
Assignee: MTE Corporation
H01F27/266H01F1/14791H01F27/255H01F27/325
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Quick Facts
Patent No.
US 10,325,712
App. No.
15/487,910
Granted
Jun 18, 2019
Kind
B2
Abstract

In some embodiments, the instant invention involves an electrical system that at least includes: a three-phase inductor, including: a core, including: a plurality of core lamination pieces. having: a first core lamination piece and a second core lamination piece; where the first core lamination piece includes a plurality of first laminations that have a first shape and arranged in a first pattern to form a plurality of first differential mode gaps; where the second core lamination piece includes a plurality of second laminations that have a second shape and arranged a second pattern to form a plurality of second differential mode gaps; where the first pattern and the second pattern are distinct; where the first core lamination piece and the second core lamination piece are positioned at a particular orientation of the first pattern to the second pattern so that to increase a common mode inductance of the core.

Claims (59)

1. An electrical system, comprising:

at least one three-phase inductor, comprising:

at least one core, comprising:

a plurality of stacked core laminations;

wherein the plurality of stacked core laminations comprises:

at least one first core lamination pattern and

at least one second core lamination pattern;

wherein the at least one first core lamination pattern and the at least one second core lamination pattern are alternate in the plurality of stacked core laminations;

wherein the at least one first core lamination pattern comprises at least three of first laminations;

wherein the at least one second core lamination pattern comprises at least three of second laminations;

wherein at least one first lamination of the at least one first core lamination pattern and at least one second lamination of the at least one second core lamination pattern are adjacent in the plurality of stacked core laminations; and

wherein the at least one first core lamination pattern and the at least one second core lamination pattern are distinct such that the at least one first lamination of the at least one first core lamination pattern and the at least one second lamination of the at least one second core lamination pattern have distinct orientations.

2. The electrical system of claim 1 , wherein the at least one first lamination of the plurality of first laminations is made from at least one material selected from the group consisting of powered iron, molypermalloy, ferrite, steel, and sendust.

3. The electrical system of claim 1 , wherein the at least one second lamination of the plurality of second laminations is made from at least one material selected from the group consisting of powered iron, molypermalloy, ferrite, steel, and sendust.

4. The electrical system of claim 1 , wherein the electrical system is a Sinewave filter.

5. The electrical system of claim 1 , wherein the electrical system is a harmonic mitigating filter.

6. The electrical system of claim 1 ,

wherein the plurality of stacked core laminations is configured to form at least one first core segment, at least one second core segment, and at least one third core segment;

wherein the at least one three-phase inductor further comprises: at least one first coil bobbin being around the at least one first core segment, at least one second coil bobbin being around the at least one second core segment, at least one third coil bobbin being around the at least one third core segment; and

wherein the at least one first coil bobbin, the at least one second coil bobbin, and the at least one third coil bobbin are configured to be independently manufactured from the plurality of stacked core laminations.

7. A three-phase inductor, comprising:

at least one core, comprising:

a plurality of stacked core laminations;

wherein the plurality of stacked core laminations comprises:

at least one first core lamination pattern and

at least one second core lamination pattern;

wherein the at least one first core lamination pattern and the at least one second core lamination pattern are alternate in the plurality of stacked core laminations;

wherein the at least one first core lamination pattern comprises at least three of first laminations;

wherein the at least one second core lamination pattern comprises at least three of second laminations;

wherein at least one first lamination of the at least one first core lamination pattern and at least one second lamination of the at least one second core lamination pattern are adjacent in the plurality of stacked core laminations; and

wherein the at least one first core lamination pattern and the at least one second core lamination pattern are distinct such that the at least one first lamination of the at least one first core lamination pattern and the at least one second lamination of the at least one second core lamination pattern have distinct orientations.

8. The inductor of claim 7 , wherein the at least one first lamination of the plurality of first laminations is made from at least one material selected from the group consisting of powered iron, molypermalloy, ferrite, steel, and sendust.

9. The inductor of claim 7 , wherein the at least one second lamination of the plurality of second laminations is made from at least one material selected from the group consisting of powered iron, molypermalloy, ferrite, steel, and sendust.

10. The inductor of claim 7 , wherein the inductor is configured to be used in a Sinewave filter.

11. The inductor of claim 7 , wherein the inductor is configured to be used in a harmonic mitigating filter.

12. The inductor of claim 7 ,

wherein the plurality of stacked core laminations is configured to form at least one first core segment, at least one second core segment, and at least one third core segment;

wherein the at least one three-phase inductor further comprises: at least one first coil bobbin being around the at least one first core segment, at least one second coil bobbin being around the at least one second core segment, at least one third coil bobbin being around the at least one third core segment; and

wherein the at least one first coil bobbin, the at least one second coil bobbin, and the at least one third coil bobbin are configured to be independently manufactured from the plurality of stacked core laminations.

13. A method, comprising:

installing at least one three-phase inductor, comprising:

at least one core, comprising:

a plurality of stacked core laminations;

wherein the plurality of stacked core laminations comprises:

at least one first core lamination pattern and

at least one second core lamination pattern;

wherein the at least one first core lamination pattern and the at least one second core lamination pattern are alternate in the plurality of stacked core laminations;

wherein the at least one first core lamination pattern comprises at least three of first laminations;

wherein the at least one second core lamination pattern comprises at least three of second laminations;

wherein at least one first lamination of the at least one first core lamination pattern and at least one second lamination of the at least one second core lamination pattern are adjacent in the plurality of stacked core laminations; and

wherein the at least one first core lamination pattern and the at least one second core lamination pattern are distinct such that the at least one first lamination of the at least one first core lamination pattern and the at least one second lamination of the at least one second core lamination pattern have distinct orientations.

14. The method of claim 13 , wherein the at least one first lamination of the plurality of first laminations is made from at least one material selected from the group consisting of powered iron, molypermalloy, ferrite, steel, and sendust.

15. The method of claim 13 , wherein the at least one second lamination of the plurality of second laminations is made from at least one material selected from the group consisting of powered iron, molypermalloy, ferrite, steel, and sendust.

16. The method of claim 13 , wherein the inductor is configured to be used in a Sinewave filter.

17. The method of claim 13 , wherein the inductor is configured to be used in a harmonic mitigating filter.

18. The method of claim 13 ,

wherein the plurality of stacked core laminations is configured to form at least one first core segment, at least one second core segment, and at least one third core segment;

wherein the at least one three-phase inductor further comprises: at least one first coil bobbin being around the at least one first core segment, at least one second coil bobbin being around the at least one second core segment, at least one third coil bobbin being around the at least one third core segment; and

wherein the at least one first coil bobbin, the at least one second coil bobbin, and the at least one third coil bobbin are configured to be independently manufactured from the plurality of stacked core laminations.

Assignments (4)
CHANGE OF NAME Recorded Jul 17, 2025
From: MTE CORPORATION
To: MTE, LLC
Reel/Frame 072039/0477 →
CONVERSION Recorded May 12, 2025
From: MTE CORPORATION
To: MTE, LLC
Reel/Frame 071270/0959 →
SECURITY INTEREST Recorded Dec 4, 2017
From: BLACK HAWK ENERGY SERVICES LTD.; HANDY & HARMAN; HANDYTUBE CORPORATION; MTE CORPORATION; JPS COMPOSITE MATERIALS CORP.; LUCAS-MILHAUPT, INC.; SL POWER ELECTRONICS CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 044678/0939 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 28, 2017
From: SHUDAREK, TODD A.
To: MTE CORPORATION
Reel/Frame 043730/0137 →
Continuity (2)
Provisional Application 62322520 · Apr 14, 2016
Related Publication 20170301452A1 · Oct 19, 2017