Patent US3743572A successfully refreshed from Google Patents.
Patent US3188591A successfully refreshed from Google Patents.
US3188591A
Expired / Lapsed
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Transformer disk windings formed of a continuous conductor
Assignee: ABB Inc USA
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Filing: 1963-01-17
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Granted: 1965-06-08
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Expires: 1983-01-17
Abstract
No abstract record available.
Inventors
- 👤 Isadore K Dortort
- 👤 Sylvester B Heberlig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:07
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/2871
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A TRANSFORMER WINDING COMPRISING A PLURALITY OF DISKS EACH HAVING A PLURALITY OF TURNS; EACH OF SAID PLURALITY OF TURNS OF EACH OF SAID PLURALITY OF DISKS BEING FORMED OF A SINGLE CONTINUOUS CONDUCTOR OF CONSTANT CROSS-SECTIONAL SHAPE; SAID SINGLE CONDUCTOR HAVING A FLAT RECTANGULAR CROSS-SECTION; EACH OF SAID DISKS COMPRISING A SPIRAL OF SINGLE COPLANAR CONVOLUTIONS; EACH OF SAID DISKS BEING STACKED WITH RESPECT TO ONE ANOTHER WITH ADJACENT DISKS BEING SPACED FROM ONE ANOTHER AND IN INSULATED RELATION WITH ONE ANOTHER; SAID SINGLE CONTINUOUS CONDUCTOR HAVING A PLUALITY OF CONNECTING CONDUCTOR PORTIONS IN SAID SINGLE CONTINUOUS CONDUCTOR; THE OUTER END OF EACH OF SAID PLURALITY OF DISKS BEING CONNECTED TO THE INNER END OF A DISK ADJACENT THERETO BY A RESPECTIVE CONNECTING CONDUCTOR PORTION OF SAID PLURALITY OF CONNECTING CONDUCTOR PORTIONS; AND INSULATION MEANS ENCLOSING EACH OF SAID CONNECTING CONDUCTOR PORTIONS TO INSULATE SAID CONNECTING CONDUCTOR PORTIONS FROM THE DISKS ADJACENT THERETO; SAID INSULATION MEANS COMPRISING A FIRST AND SECOND INSULATION SPACER MEANS POSITIONED ON EITHER SIDE OF EACH OF SAID CONNECTING CONDUCTOR PORTIONS.
Claim 2
Dependent Claim
176 words
A TRANSFORMER WINDING COMPRISING A PLURALITY OF DISKS EACH HAVING A PLURALITY OF TURNS; EACH OF SAID PLURALITY OF TURNS OF EACH OF SAID PLURALITY OF DISKS BEING FORMED OF A SINGLE CONTINUOUS CONDUCTOR OF CONSTANT CROSS-SECTIONAL SHAPE; SAID SINGLE CONDUCTOR HAVING A FLAT RECTANGULAR CROSS-SECTION; EACH OF SAID DISKS COMPRISING A SPIRAL OF SINGLE COPLANAR CONVOLUTIONS; EACH OF SAID DISKS BEING STACKED WITH RESPECT TO ONE ANOTHER WITH ADJACENT DISKS BEING SPACED FROM ONE ANOTHER AND IN INSULATED RELATION WITH ONE ANOTHER; SAID SINGLE CONTINUOUS CONDUCTOR HAVING A PLUALITY OF CONNECTING CONDUCTOR PORTIONS IN SAID SINGLE CONTINUOUS CONDUCTOR; THE OUTER END OF EACH OF SAID PLURALITY OF DISKS BEING CONNECTED TO THE INNER END OF A DISK ADJACENT THERETO BY A RESPECTIVE CONNECTING CONDUCTOR PORTION OF SAID PLURALITY OF CONNECTING CONDUCTOR PORTIONS; AND INSULATION MEANS ENCLOSING EACH OF SAID CONNECTING CONDUCTOR PORTIONS TO INSULATE SAID CONNECTING CONDUCTOR PORTIONS FROM THE DISKS ADJACENT THERETO; SAID INSULATION MEANS COMPRISING A FIRST AND SECOND INSULATION SPACER MEANS POSITIONED ON EITHER SIDE OF EACH OF SAID CONNECTING CONDUCTOR PORTIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |