US3188555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saturable reactor voltage regulator with series connected main and control inductance windings
Assignee: International Business Machines Corp
•
Filing: 1960-12-27
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Granted: 1965-06-08
•
Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Essinger Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:33
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN AN INDUCTANCE DEVICE, A CORE OF MAGNETIC MATERIAL HAVING AN OPENING THROUGH A PORTION THEREOF AND AN AIR GAP THEREIN, AN INDUCTANCE WINDING ON SAID CORE AND A SATURATION CONTROL WINDING CONNECTED IN SERIES WITH THE INDUCTANCE WINDING, SAID CONTROL WINDING PASSING THROUGH SAID OPENING WITH A FIGURE-8 CONFIGURATION SO AS TO PROVIDE A LOCAL CONTROL FLUX ABOUT THE OPENING IN ACCORDANCE WITH THE CURRENT IN THE INDUCTANCE WINDING.
Claim 2
Dependent Claim
70 words
IN AN INDUCTANCE DEVICE, A CORE OF MAGNETIC MATERIAL HAVING AN OPENING THROUGH A PORTION THEREOF AND AN AIR GAP THEREIN, AN INDUCTANCE WINDING ON SAID CORE AND A SATURATION CONTROL WINDING CONNECTED IN SERIES WITH THE INDUCTANCE WINDING, SAID CONTROL WINDING PASSING THROUGH SAID OPENING WITH A FIGURE-8 CONFIGURATION SO AS TO PROVIDE A LOCAL CONTROL FLUX ABOUT THE OPENING IN ACCORDANCE WITH THE CURRENT IN THE INDUCTANCE WINDING.
References Cited (Backward Citations)
US1746754A
Cited
US2664541A
Cited
US2953739A
Cited
US2864993A
Cited
US2904743A
Cited
US3148326A
Cited
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 |