US3170133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical inductive apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1961-01-05
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Granted: 1965-02-16
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Expires: 1981-01-05
Abstract
No abstract record available.
Inventors
- 👤 Kernick Andress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:11
CPC Classifications
H; H01; H01F; H01F30/00; H01F30/06; H01F30/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A TRANSFORMER COMPRISING A MAGNETIC CORE STRUCTURE, AND AT LEAST TWO WINDINGS INCLUDING A PLURALITY OF CONDUCTOR TURNS, SAID MAGNETIC CORE STRUCTURE COMPRISING FIRST AND SECOND MAGNETIC CORE SECTIONS FORMED FROM FIRST AND SECOND MAGNETIC MATERIALS, RESPECTIVELY, THE TURNS OF SAID WINDINGS BEING LINKED WITH BOTH OF SAID CORE SECTIONS TO PRODUCE MAGNETIC FLUX IN BOTH OF SAID CORE SECTIONS WHEN CURRENT FLOWS THERETHROUGH, THE COERCIVE FORCE OF SAID SECOND MAGNETIC CORE SECTION BEING AT LEAST SEVERAL TIMES THE COERCIVE FORCE OF SAID FIRST MAGNETIC CORE SECTION, WITH THE FIRST MAGNETIC CORE SECTION LIMITING THE LOSSES IN SAID MAGNETIC CORE STRUCTURE AND THE SECOND MAGNETIC CORE STRUCTURE PREVENTING GRADUAL SATURATION OF SAID MAGNETIC CORE STRUCTURE.
Claim 2
Dependent Claim
115 words
A TRANSFORMER COMPRISING A MAGNETIC CORE STRUCTURE, AND AT LEAST TWO WINDINGS INCLUDING A PLURALITY OF CONDUCTOR TURNS, SAID MAGNETIC CORE STRUCTURE COMPRISING FIRST AND SECOND MAGNETIC CORE SECTIONS FORMED FROM FIRST AND SECOND MAGNETIC MATERIALS, RESPECTIVELY, THE TURNS OF SAID WINDINGS BEING LINKED WITH BOTH OF SAID CORE SECTIONS TO PRODUCE MAGNETIC FLUX IN BOTH OF SAID CORE SECTIONS WHEN CURRENT FLOWS THERETHROUGH, THE COERCIVE FORCE OF SAID SECOND MAGNETIC CORE SECTION BEING AT LEAST SEVERAL TIMES THE COERCIVE FORCE OF SAID FIRST MAGNETIC CORE SECTION, WITH THE FIRST MAGNETIC CORE SECTION LIMITING THE LOSSES IN SAID MAGNETIC CORE STRUCTURE AND THE SECOND MAGNETIC CORE STRUCTURE PREVENTING GRADUAL SATURATION OF SAID MAGNETIC CORE STRUCTURE.
References Cited (Backward Citations)
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Cited
GB306826A
Cited
US1849485A
Cited
US1952072A
Cited
US2407688A
Cited
CH295500A
Cited
US3015791A
Cited
US2927366A
Cited
US3076160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |