US3129383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage stabilizing electrical transformers
Assignee: Individual
•
Filing: 1960-11-03
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Granted: 1964-04-14
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Expires: 1980-11-03
Abstract
No abstract record available.
Inventors
- 👤 Karo David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:11
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/04; G05F3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
268 words
A VOLTAGE STABILIZING TRANSFORMER COMPRISING A CORE STRUCTURE OF MAGNETICALLY CONDUCTIVE MATERIAL INCLUDING A MAIN BRANCH JOINED AT ITS ENDS BY A CONNECTING BRANCH, AND INCLUDING A SHUNT BRANCH EXTENDING FROM SAID MAIN BRANCH AT A POSITION IN BETWEEN ITS ENDS TO THE CONNECTING BRANCH TO FORM THREE MAGNETIC CIRCUITS OF WHICH TWO HAVE THE SHUNT BRANCH IN COMMON, THE FIRST OF THESE TWO LATTER MAGNETIC CIRCUITS CARRYING A FIRST PORTION OF A PRIMARY WINDING AND A SECONDARY WINDING, BOTH ON SAID MAIN BRANCH AT ONE SIDE OF SAID SHUNT BRANCH WITH AT LEAST PART OF SAID SECONDARY WINDING NEARER TO SAID SHUNT BRANCH THAN IS SAID FIRST PORTION OF SAID PRIMARY WINDING, AND THE SECOND OF THESE MAGNETIC CIRCUITS CARRYING A SECOND PORTION OF SAID PRIMARY WINDING ON SAID MAIN BRANCH AT THE OPPOSITE SIDE OF SAID SHUNT BRANCH, THE FIRST AND SECOND PORTIONS OF SAID PRIMARY WINDING BEING CONNECTED ELECTRICALLY IN A PRIMARY CIRCUIT TO ASSIST EACH OTHER MAGNETOMOTIVELY IN SETTING UP A MAGNETIC FLUX THROUGH SAID SHUNT BRANCH, AND THEREBY ESTABLISHING A MAGNETIC SATURATION IN SAID FIRST MAGNETIC CIRCUIT TO STABILIZE TO SOME EXTENT THE MAGNITUDE OF THE FLUX INTERLINKING SAID SECONDARY WINDING AND HENCE THE VOLTAGE INDUCED THEREIN, WHILE ALSO ACTING IN MAGNETOMOTIVE OPPOSITION IN THE THIRD MAGNETIC CIRCUIT COMPRISING SAID MAIN BRANCH AND CONNECTING BRANCH, ONE OF SAID PORTIONS OF SAID PRIMARY WINDING HAVING A CAPACITOR CONNECTED IN PARALLEL THEREWITH OF A VALUE SUCH THAT AT LEAST A PART OF THE PRIMARY CIRCUIT FORMS A CIRCUIT OPERATING BEYOND THE POINT OF RESONANCE TO ASSIST IN ATTAINING MAGNETIC SATURATION IN SAID FIRST MAGNETIC CIRCUIT.
Claim 2
Dependent Claim
268 words
A VOLTAGE STABILIZING TRANSFORMER COMPRISING A CORE STRUCTURE OF MAGNETICALLY CONDUCTIVE MATERIAL INCLUDING A MAIN BRANCH JOINED AT ITS ENDS BY A CONNECTING BRANCH, AND INCLUDING A SHUNT BRANCH EXTENDING FROM SAID MAIN BRANCH AT A POSITION IN BETWEEN ITS ENDS TO THE CONNECTING BRANCH TO FORM THREE MAGNETIC CIRCUITS OF WHICH TWO HAVE THE SHUNT BRANCH IN COMMON, THE FIRST OF THESE TWO LATTER MAGNETIC CIRCUITS CARRYING A FIRST PORTION OF A PRIMARY WINDING AND A SECONDARY WINDING, BOTH ON SAID MAIN BRANCH AT ONE SIDE OF SAID SHUNT BRANCH WITH AT LEAST PART OF SAID SECONDARY WINDING NEARER TO SAID SHUNT BRANCH THAN IS SAID FIRST PORTION OF SAID PRIMARY WINDING, AND THE SECOND OF THESE MAGNETIC CIRCUITS CARRYING A SECOND PORTION OF SAID PRIMARY WINDING ON SAID MAIN BRANCH AT THE OPPOSITE SIDE OF SAID SHUNT BRANCH, THE FIRST AND SECOND PORTIONS OF SAID PRIMARY WINDING BEING CONNECTED ELECTRICALLY IN A PRIMARY CIRCUIT TO ASSIST EACH OTHER MAGNETOMOTIVELY IN SETTING UP A MAGNETIC FLUX THROUGH SAID SHUNT BRANCH, AND THEREBY ESTABLISHING A MAGNETIC SATURATION IN SAID FIRST MAGNETIC CIRCUIT TO STABILIZE TO SOME EXTENT THE MAGNITUDE OF THE FLUX INTERLINKING SAID SECONDARY WINDING AND HENCE THE VOLTAGE INDUCED THEREIN, WHILE ALSO ACTING IN MAGNETOMOTIVE OPPOSITION IN THE THIRD MAGNETIC CIRCUIT COMPRISING SAID MAIN BRANCH AND CONNECTING BRANCH, ONE OF SAID PORTIONS OF SAID PRIMARY WINDING HAVING A CAPACITOR CONNECTED IN PARALLEL THEREWITH OF A VALUE SUCH THAT AT LEAST A PART OF THE PRIMARY CIRCUIT FORMS A CIRCUIT OPERATING BEYOND THE POINT OF RESONANCE TO ASSIST IN ATTAINING MAGNETIC SATURATION IN SAID FIRST MAGNETIC CIRCUIT.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |