IP Library › Granted Patent US 12,732,046
Granted Patent B2
US 12,732,046 · App. 18/450,890 · Granted Sep 8, 2026

Transposition coils having a plurality of conductor turns having configurations for conductor stacks

Inventors: Jan de Swardt (Eustis, FL); Martyn Widdowson (Dronfield, GB)
Assignee: Timken Gears & Services Inc.
H02K3/04H02K3/34H02K15/0431
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,732,046
App. No.
18/450,890
Granted
Sep 8, 2026
Kind
B2
Abstract

Transposition coils and insulation for transposition coils. One example provides a transposition coil including a plurality of conductor turns arranged in at least two separate stacks and an outer main wall insulation that encircles the at least two separate stacks. Each of the at least two separate stacks are provided with dedicated main wall insulation that encircles exactly one of the at least two separate stacks.

Claims (28)

1 . A transposition coil comprising:

a plurality of conductor turns arranged in at least two separate stacks, wherein each of the at least two separate stacks is provided with dedicated main wall insulation that encircles exactly one of the at least two separate stacks; and

outer main wall insulation that encircles the at least two separate stacks,

wherein the at least two separate stacks include a first stack having n number of turns and a second stack having n+1 number of turns or n−1 number of turns.

2 . The transposition coil of claim 1 , wherein the plurality of conductor turns are arranged in exactly two stacks, and wherein the total number of conductor turns is odd.

3 . The transposition coil of claim 2 , wherein the total number of conductor turns is 27.

4 . The transposition coil of claim 1 , wherein the total number of conductor turns is 35.

5 . The transposition coil of claim 1 , wherein a width of each conductor of the plurality of conductors is less than or equal to approximately 10 millimeters, and wherein a height of each conductor of the plurality of conductors is greater than or equal to approximately 0.5 millimeters.

6 . The transposition coil of claim 1 , wherein each conductor turn of the plurality of conductor turns is independently insulated.

7 . The transposition coil of claim 1 , wherein the plurality of conductor turns are arranged in exactly three separate stacks.

8 . The transposition coil of claim 7 , wherein the exactly three separate stacks includes a first stack having n number of turns, a second stack having n number of turns, and a third stack having n−1 number of turns or n+1 number of turns.

9 . The transposition coil of claim 8 , wherein the total number of conductor turns is 35.

10 . The transposition coil of claim 7 , wherein the total number of conductor turns is 34.

11 . The transposition coil of claim 7 , wherein the total number of conductor turns is 36.

12 . A transposition coil comprising:

a plurality of conductor turns arranged in three or more separately-insulated stacks, wherein the three or more stacks are cooperatively insulated with an outer main wall insulation that encircles the three or more separate stacks,

wherein the number of turns per stack is different among the three or more separate stacks.

13 . The transposition coil of claim 1 , wherein the three or more separate stacks includes a first stack having n number of turns, a second stack having n number of turns, and a third stack having n−1 number of turns or n+1 number of turns.

14 . The transposition coil of claim 12 , wherein the plurality of conductor turns are arranged in exactly three stacks, and wherein the total number of conductor turns is odd.

15 . The transposition coil of claim 14 , wherein the total number of conductor turns is 35.

16 . The transposition coil of claim 12 , wherein the total number of conductor turns is 34.

17 . The transposition coil of claim 12 , wherein the total number of conductor turns is 36.

18 . The transposition coil of claim 12 , wherein a width of each conductor of the plurality of conductors is less than or equal to approximately 10 millimeters, and wherein a height of each conductor of the plurality of conductors is greater than or equal to approximately 0.5 millimeters.

19 . A transposition coil comprising:

a plurality of conductor turns arranged in at least two separate stacks, wherein each of the at least two separate stacks is provided with dedicated main wall insulation that encircles exactly one of the at least two separate stacks; and

outer main wall insulation that encircles the at least two separate stacks,

wherein the plurality of conductor turns are arranged in exactly three separate stacks.

20 . The transposition coil of claim 19 , wherein the exactly three separate stacks includes a first stack having n number of turns, a second stack having n number of turns, and a third stack having n−1 number of turns or n+1 number of turns.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 27, 2026
From: THE TIMKEN COMPANY
To: TIMKEN GEARS & SERVICES INC.
Reel/Frame 073601/0815 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 18, 2023
From: DE SWARDT, JAN; WIDDOWSON, MARTYN
To: THE TIMKEN COMPANY
Reel/Frame 064632/0257 →
Continuity (2)
Provisional Application 63399573 · Aug 19, 2022
Related Publication 20240063673A1 · Feb 22, 2024
References Cited (14)
US 2201845A · Wieseman · 1940 [cited by examiner]
US 2821641A · Ringland · 1958 [cited by examiner]
US 3010038A · Manni · 1961 [cited by examiner]
US 3780325A · Frankenhauser · 1973 [cited by examiner]
US 4308476A · Schuler · 1981 [cited by examiner]
US 6856053B2 · LeFlem · 2005 [cited by examiner]
US 9196392B2 · Hasegawa · 2015 [cited by examiner]
US 20160285333A1 · Haldemann · 2016 [cited by examiner]
US 20170033629A1 · Haldemann · 2017 [cited by examiner]
US 20170033631A1 · Conley · 2017 [cited by examiner]
US 20220376577A1 · de Swardt · 2022 [cited by examiner]
US 20220393539A1 · de Swardt · 2022 [cited by examiner]
US 20240063673A1 · de Swardt · 2024 [cited by examiner]
US 20240063698A1 · de Swardt · 2024 [cited by examiner]