US3196373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saturable reactors
Assignee: Ferranti International PLC
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Filing: 1962-11-29
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Granted: 1965-07-20
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Expires: 1982-11-29
Abstract
No abstract record available.
Inventors
- 👤 Jones John Ernest
- 👤 Spurway Maurice Alec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:01
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/14; H01F29/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A POLYPHASE SATURABLE REACTOR INCLUDING A CORE HAVING A PLURALITY OF INNER LEGS AND OUTER LEGS, A FIRST AND SECOND YOKE JOINING OPPOSITE ENDS OF SAID LEGS, AN ALTERNATING CURRENT WINDING MOUNTED ON EACH OF SAID INNER LEGS, A DIRECT CURRENT WINDING WOUND ABOUT SAID INNER LEGS FOR ESTABLISHING A DIRECT CURRENT FLUX IN EACH LEG OF SAID CORE, EACH OF SAID YOKES HAVING A FIRST PORTION OF CONSTANT CROSS-SECTION INTERMEDIATE SAID INNER LEGS PROVIDING A PATH FOR BOTH ALTERNATING CURRENT FLUX AND DIRECT CURRENT FLUX AND ADDITIONAL PORTIONS ADJACENT OPPOSITE ENDS OF SAID FIRST PORTION PROVIDING PATHS FOR DIRECT CURRENT FLUX ONLY, AND A SHORT CIRCUITED WINDING WOUND AROUND EACH OF SAID ADDITIONAL PORTIONS AND FIXED WITH RESPECT THERETO TO EXCLUDE ALTERNATING CURRENT FLUX THEREFROM.
Claim 2
Dependent Claim
126 words
A POLYPHASE SATURABLE REACTOR INCLUDING A CORE HAVING A PLURALITY OF INNER LEGS AND OUTER LEGS, A FIRST AND SECOND YOKE JOINING OPPOSITE ENDS OF SAID LEGS, AN ALTERNATING CURRENT WINDING MOUNTED ON EACH OF SAID INNER LEGS, A DIRECT CURRENT WINDING WOUND ABOUT SAID INNER LEGS FOR ESTABLISHING A DIRECT CURRENT FLUX IN EACH LEG OF SAID CORE, EACH OF SAID YOKES HAVING A FIRST PORTION OF CONSTANT CROSS-SECTION INTERMEDIATE SAID INNER LEGS PROVIDING A PATH FOR BOTH ALTERNATING CURRENT FLUX AND DIRECT CURRENT FLUX AND ADDITIONAL PORTIONS ADJACENT OPPOSITE ENDS OF SAID FIRST PORTION PROVIDING PATHS FOR DIRECT CURRENT FLUX ONLY, AND A SHORT CIRCUITED WINDING WOUND AROUND EACH OF SAID ADDITIONAL PORTIONS AND FIXED WITH RESPECT THERETO TO EXCLUDE ALTERNATING CURRENT FLUX THEREFROM.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |