US3344341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating transformer system
Assignee: Basic Products Corp
•
Filing: 1963-12-31
•
Granted: 1967-09-26
•
Expires: 1983-12-31
Abstract
No abstract record available.
Inventors
- 👤 Donald P Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:11
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/34; H01F27/38; H01F29/00; H01F29/14; H01F29/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A REGULATOR, THE COMBINATION INCLUDING LOAD MEANS, A HIGH LEAKAGE REACTANCE TRANSFORMER CORE HAVING AN AIR GAP, A MAIN WINDING THEREON WITH AN EXTENSION WINDING CONNECTED THERETO, AN AUXILIARY WINDING ON SAID CORE AND CONNECTED IN SERIES WITH SAID EXTENSION WINDING IN OPPOSED POLARITY RELATION, SAID AIR GAP BEING LOCATED BETWEEN SAID EXTENSION WINDING AND SAID AUXILIARY WINDING, A SERIES CONNECTED CAPACITOR AND INDUCTOR CONNECTED IN SHUNT AT LEAST ACROSS SAID AUXILIARY WINDING AND TUNED IN THE THIRD HARMONIC SO AS TO INHIBIT THE THIRD HARMONICS GENERATED IN SAID AUXILIARY WINDING, MEANS CONNECTING SAID LOAD TO SAID MAIN WINDING AND TO SAID AUXILIARY WINDING, D.C. CONTROL WINDING MEANS ON SAID CORE, AND MEANS RESPONSIVE TO THE LOAD FOR CONTROLLING SAID D.C. CONTROL WINDING MEANS.
Claim 2
Dependent Claim
125 words
IN A REGULATOR, THE COMBINATION INCLUDING LOAD MEANS, A HIGH LEAKAGE REACTANCE TRANSFORMER CORE HAVING AN AIR GAP, A MAIN WINDING THEREON WITH AN EXTENSION WINDING CONNECTED THERETO, AN AUXILIARY WINDING ON SAID CORE AND CONNECTED IN SERIES WITH SAID EXTENSION WINDING IN OPPOSED POLARITY RELATION, SAID AIR GAP BEING LOCATED BETWEEN SAID EXTENSION WINDING AND SAID AUXILIARY WINDING, A SERIES CONNECTED CAPACITOR AND INDUCTOR CONNECTED IN SHUNT AT LEAST ACROSS SAID AUXILIARY WINDING AND TUNED IN THE THIRD HARMONIC SO AS TO INHIBIT THE THIRD HARMONICS GENERATED IN SAID AUXILIARY WINDING, MEANS CONNECTING SAID LOAD TO SAID MAIN WINDING AND TO SAID AUXILIARY WINDING, D.C. CONTROL WINDING MEANS ON SAID CORE, AND MEANS RESPONSIVE TO THE LOAD FOR CONTROLLING SAID D.C. CONTROL WINDING MEANS.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |