US6568065B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Armature for an electromotive device
Assignee: ThinGap Inc
•
Filing: 2001-10-17
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Granted: 2003-05-27
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Expires: 2021-10-17
Abstract
Abstract An inductive coil for an electromotive device includes a pair on concentric conductive sheet metal winding portions each comprising a plurality of axially extending conductive bands each being separated from an adjacent conductive band by a space, each of the conductive bands of the winding portions being coupled to one of the conductive bands of the other winding portion.
Inventors
- 👤 Gregory Graham
- 👤 Gerald W. Yankie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:33
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/47; H02K13/00; H02K13/04; H02K3/04; H02K3/26; H02K15/00; H02K15/02; H02K15/12; Y; Y10; Y10S; Y10S310/00; Y10S310/06; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49071; Y10T29/49073; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49146; Y10T29/49169; Y10T29/53; Y10T29/53796; Y10T29/53839
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
92 words
A method of fabricating an inductive coil from a pair of conductive sheets, comprising: forming in each of the conductive sheets a plurality of conductive bands each being separated from an adjacent band by a space; shaping the conductive sheets into inner and outer winding portions; positioning the inner winding portion within the outer winding portion; respectively coupling each of the conductive bands of the inner winding portion to one of the conductive bands of the outer winding portion; electrically insulating a thermally conductive flywheel; and assembling the flywheel to the coil.
Claim 2
Independent Claim
92 words
A method of fabricating an inductive coil from a pair of conductive sheets, comprising: forming in each of the conductive sheets a plurality of conductive bands each being separated from an adjacent band by a space; shaping the conductive sheets into inner and outer winding portions; positioning the inner winding portion within the outer winding portion; respectively coupling each of the conductive bands of the inner winding portion to one of the conductive bands of the outer winding portion; electrically insulating a thermally conductive flywheel; and assembling the flywheel to the coil.
Claim 3
Dependent Claim
18 words
The method of claim 1 further comprising encapsulating the inner and outer winding portions in an encapsulating material.
Claim 4
Dependent Claim
11 words
The method of claim 2 wherein the encapsulating material comprises polyimide.
Claim 5
Dependent Claim
27 words
The method of claim 2 wherein the encapsulation of the inner and outer winding portions comprises potting the inner and outer winding portions with the encapsulating material.
Claim 6
Dependent Claim
12 words
The method of claim 1 further comprising insulating the inner winding portion.
Claim 7
Dependent Claim
23 words
The method of claim 5 wherein the insulation of the inner winding portion comprises wrapping a non-conductive filament around an outer surface thereof.
Claim 8
Dependent Claim
16 words
The method of claim 6 wherein the non-conductive filament comprises of a thickness of 0.00030-0.00075 inch.
Claim 9
Dependent Claim
12 words
The method of claim 6 wherein the non-conductive filament comprises glass fiber.
Claim 10
Dependent Claim
20 words
The method of claim 6 further comprising wrapping a non-conductive filament around an outer surface of the outer winding portion.
Claim 11
Dependent Claim
18 words
The method of claim 9 further comprising encapsulating the inner and outer winding portions in an encapsulating material.
Claim 12
Dependent Claim
11 words
The method of claim 10 wherein the encapsulating material comprises polyimide.
Claim 13
Dependent Claim
27 words
The method of claim 10 wherein the encapsulation of the inner and outer winding portions comprises potting the inner and outer winding portions with the encapsulating material.
Claim 14
Dependent Claim
19 words
The method of claim 1 wherein the formation of the conductive sheets comprises cutting each of the conductive sheets.
Claim 15
Dependent Claim
34 words
The method of claim 13 wherein the conductive sheets are cut such that each of the spaces separating the conductive bands is less than 1.5 times the thickness of each of the conductive bands.
Claim 16
Dependent Claim
23 words
The method of claim 1 wherein the shaping of the conductive sheets comprises rolling each of the conductive sheets into cylindrical winding portions.
Claim 17
Dependent Claim
26 words
The method of claim 15 wherein the positioning of the inner winding portion into the outer winding portion is performed by concentrically aligning the winding portions.
Claim 18
Dependent Claim
46 words
The method of claim 1 wherein the electrical insulation of the flywheel comprises anodizing an external surface of the flywheel, and the assembly of the flywheel to the coil comprises positioning the flywheel such that the anodized exterior surface is in contact with the inner-winding portion.
Claim 19
Independent Claim
84 words
A method of fabricating an inductive coil from a pair of conductive sheets, comprising: cutting each of the conductive sheets into a pattern comprising a plurality of conductive bands each being separated from an adjacent band by a space; rolling the conductive sheets into inner and outer cylindrical winding portions; telescoping the inner winding portion into the outer winding portion; and respectively coupling each of the conductive bands of the inner winding portion to one of the conductive bands of the outer winding portion.
Claim 20
Independent Claim
84 words
A method of fabricating an inductive coil from a pair of conductive sheets, comprising: cutting each of the conductive sheets into a pattern comprising a plurality of conductive bands each being separated from an adjacent band by a space; rolling the conductive sheets into inner and outer cylindrical winding portions; telescoping the inner winding portion into the outer winding portion; and respectively coupling each of the conductive bands of the inner winding portion to one of the conductive bands of the outer winding portion.
Claim 21
Dependent Claim
18 words
The method of claim 18 further comprising encapsulating the inner and outer winding portions in an encapsulating material.
Claim 22
Dependent Claim
11 words
The method of claim 19 wherein the encapsulating material comprises polyimide.
Claim 23
Dependent Claim
27 words
The method of claim 19 wherein the encapsulation of the inner and outer winding portions comprises potting the inner and outer winding portions with the encapsulating material.
Claim 24
Dependent Claim
12 words
The method of claim 18 further comprising insulating the inner winding portion.
Claim 25
Dependent Claim
23 words
The method of claim 22 wherein the insulation of the inner winding portion comprises wrapping a non-conductive filament around an outer surface thereof.
Claim 26
Dependent Claim
15 words
The method of claim 23 wherein the non-conductive filament comprises a thickness of 0.00030-0.00075 inch.
Claim 27
Dependent Claim
12 words
The method of claim 23 wherein the non-conductive filament comprises glass fiber.
Claim 28
Dependent Claim
20 words
The method of claim 23 further comprising wrapping a non-conductive filament around an outer surface of the outer winding portion.
Claim 29
Dependent Claim
18 words
The method of claim 26 further comprising encapsulating the inner and outer winding portions in an encapsulating material.
Claim 30
Dependent Claim
11 words
The method of claim 27 wherein the encapsulating material comprises polyimide.
Claim 31
Dependent Claim
27 words
The method of claim 27 wherein the encapsulation of the inner and outer winding portions comprises potting the inner and outer winding portions with the encapsulating material.
Claim 32
Dependent Claim
34 words
The method of claim 18 wherein the conductive sheets are cut such that each of the spaces separating the conductive bands is less than 1.5 times the thickness of each of the conductive bands.
Claim 33
Dependent Claim
20 words
The method of claim 18 further comprising electrically insulating a thermally conductive flywheel, and assembling the flywheel to the coil.
Claim 34
Dependent Claim
47 words
The method of claim 31 wherein the electrical insulation of the flywheel comprises anodizing an external surface of the flywheel, and the assembly of the flywheel to the coil comprises positioning the flywheel such that the anodized exterior surface is in contact with the inner winding portion.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-05-26 | 2006-11-25 | 2007-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-05-26 | 2010-11-25 | 2011-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-05-26 | 2014-11-25 | 2015-05-27 | $7700.00 | Window Closed / Lapsed |