US3265998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact high voltage transformer having more uniform equipotential line spacing
Assignee: Individual
•
Filing: 1964-04-14
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Granted: 1966-08-09
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Expires: 1984-04-14
Abstract
No abstract record available.
Inventors
- 👤 Charles W Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:39
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/32; H01F27/327; H01F27/34; H01F27/36; H01F27/363
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A HIGH VOLTAGE TRANSFORMER OF THE CLASS HAVING SOLID INSULATION, THE COMBINATION COMPRISING A CORE, AN ANNULAR PRIMARY WINDING DISPOSED ON SAID CORE, A MULTILAYERED ANNULAR SECONDARY WINDING HAVING A PROGRESSIVELY SMALLER AXIAL DIMENSION, A DISCONTINUOUS ANNULAR CONDUCTIVE SHIELD DISPOSED BETWEEN SAID PRIMARY AND SECONDARY WINDINGS IN COAXIAL RELATION THEREOT, SAID SHIELD HAVING OUTWARDLY FLARING ENDS PROJECTING FROM BETWEEN SAID PRIMARY AND SECONDARY WINDINGS, AND AN INSULATIVE POTTING MATERIAL DISPOSED AROUND SAID PRIMARY AND SECONDARY WINDINGS AND HAVING REGIONS WITH DIFFERNIG DIELECTRIC CONSTANTS RELATED TO THE DIELECTRIC STRESS OF THE ADJACENT AREAS OF SAID SECONDARY WINDING, THE PORTIONS OF SAID INSULATIVE POTTING MATERIAL WHICH ARE SITUATED WITHIN SAID FLARED ENDS OF SAID SHIELD HAVING A HIGH DIELECTRIC CONSTANT RELATIVE TO ADJACENT PORTIONS OF SAID POTTING MATERIAL.
Claim 2
Dependent Claim
127 words
IN A HIGH VOLTAGE TRANSFORMER OF THE CLASS HAVING SOLID INSULATION, THE COMBINATION COMPRISING A CORE, AN ANNULAR PRIMARY WINDING DISPOSED ON SAID CORE, A MULTILAYERED ANNULAR SECONDARY WINDING HAVING A PROGRESSIVELY SMALLER AXIAL DIMENSION, A DISCONTINUOUS ANNULAR CONDUCTIVE SHIELD DISPOSED BETWEEN SAID PRIMARY AND SECONDARY WINDINGS IN COAXIAL RELATION THEREOT, SAID SHIELD HAVING OUTWARDLY FLARING ENDS PROJECTING FROM BETWEEN SAID PRIMARY AND SECONDARY WINDINGS, AND AN INSULATIVE POTTING MATERIAL DISPOSED AROUND SAID PRIMARY AND SECONDARY WINDINGS AND HAVING REGIONS WITH DIFFERNIG DIELECTRIC CONSTANTS RELATED TO THE DIELECTRIC STRESS OF THE ADJACENT AREAS OF SAID SECONDARY WINDING, THE PORTIONS OF SAID INSULATIVE POTTING MATERIAL WHICH ARE SITUATED WITHIN SAID FLARED ENDS OF SAID SHIELD HAVING A HIGH DIELECTRIC CONSTANT RELATIVE TO ADJACENT PORTIONS OF SAID POTTING MATERIAL.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |