Patent US4124634A successfully refreshed from Google Patents.
US3099786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for an electric power translation system
Assignee: Westinghouse Electric Corp
•
Filing: 1959-04-13
•
Granted: 1963-07-30
•
Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Kevin F Friedrich
- 👤 Francis D Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:52
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/33; G05F1/335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN ELECTRICAL CONTROL APPARATUS FOR VARYING THE OUTPUT VOLTAGE ON AN ELECTRIC POWER TRANSLATION SYSTEM INCLUDING A PLURALITY OF ASYMMETRICALLY-CONDUCTING DEVICES, COMPRISING, ALTERNATING CURRENT POWER LEADS, DIRECT-CURRENT POWER LEADS, FIRST TRANSFORMER MEANS HAVING A FIRST WINDING CONNECTED TO SAID ALTERNATING CURRENT LEADS AND TWO ADDITIONAL WINDINGS DISPOSED IN INDUCTIVE RELATION WITH SAID FIRST WINDING, SECOND TRANSFORMER MEANS HAVING A PRIMARY WINDING AND A SECONDARY WINDING, SAID SECONDARY WINDING BEING CONNECTED IN SERIES CIRCUIT RELATION WITH THE FIRST OF SAID ADDITIONAL WINDINGS, SAID DEVICES BEING CONNECTED BETWEEN SAID DIRECT-CURRENT LEADS AND THE SERIES CIRCUIT WHICH INCLUDES SAID FIRST ADDITIONAL WINDING AND SAID SECONDARY WINDING, AND SATURABLE REACTOR MEANS HAVING INPUT TERMINALS AND A LOAD WINDING, SAID REATOR
Claim 2
Dependent Claim
116 words
AN ELECTRICAL CONTROL APPARATUS FOR VARYING THE OUTPUT VOLTAGE ON AN ELECTRIC POWER TRANSLATION SYSTEM INCLUDING A PLURALITY OF ASYMMETRICALLY-CONDUCTING DEVICES, COMPRISING, ALTERNATING CURRENT POWER LEADS, DIRECT-CURRENT POWER LEADS, FIRST TRANSFORMER MEANS HAVING A FIRST WINDING CONNECTED TO SAID ALTERNATING CURRENT LEADS AND TWO ADDITIONAL WINDINGS DISPOSED IN INDUCTIVE RELATION WITH SAID FIRST WINDING, SECOND TRANSFORMER MEANS HAVING A PRIMARY WINDING AND A SECONDARY WINDING, SAID SECONDARY WINDING BEING CONNECTED IN SERIES CIRCUIT RELATION WITH THE FIRST OF SAID ADDITIONAL WINDINGS, SAID DEVICES BEING CONNECTED BETWEEN SAID DIRECT-CURRENT LEADS AND THE SERIES CIRCUIT WHICH INCLUDES SAID FIRST ADDITIONAL WINDING AND SAID SECONDARY WINDING, AND SATURABLE REACTOR MEANS HAVING INPUT TERMINALS AND A LOAD WINDING, SAID REATOR
References Cited (Backward Citations)
US1654948A
Cited
US1996041A
Cited
US2349685A
Cited
US2878437A
Cited
US2860299A
Cited
US2714188A
Cited
US2810877A
Cited
US2992379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |