US3333177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective control of frequency and voltage in alternating current power systems
Assignee: Individual
•
Filing: 1964-01-22
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Granted: 1967-07-25
•
Expires: 1984-01-22
Abstract
No abstract record available.
Inventors
- 👤 Charles K Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:05
CPC Classifications
H; H02; H02M; H02M5/00; H02M5/02; H02M5/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
APPARATUS CAPABLE OF PROVIDING A SELECTED FREQUENCY OUTPUT IN ALTERNATING CURRENT POWER SYSTEMS HAVING A SOURCE OF ALTERNATING CURRENT OF FIXED FREQUENCY AND VOLTAGE, SAID APPARATUS COMPRISING: (A) MEANS FOR RESOLVING THE SOURCE OF ALTERNATING CURRENT VOLTAGE INTO A PLURALITY OF FIXED INCREMENTS OF VOLTAGE; (B) MECHANICAL MEANS RECEIVING SAID FIXED INCREMENTS AND CAPABLE OF BEING MECHANICALLY ACTUATED IN SYNCHRONIZATION WITH SAID FIXED FREQUENCY FOR RECTIFYING THE ALTERNATING CURRENT VOLTAGE IN FIXED INCREMENTS INTO SUBSTANTIALLY DIRECT CURRENT VOLTAGE IN A LIKE NUMBER OF FIXED INCREMENTS OF VOLTAGE; (C) MECHANICAL MEANS RECEIVING THE DIRECT CURRENT VOLTAGE IN SAID FIXED INCREMENTS AND CAPABLE OF MECHANICALLY INTEGRATING SAID FIXED INCREMENTS OF DIRECT CURRENT VOLTAGE INTO AN ALTERNATING CURRENT OUTPUT VOLTAGE HAVING A STEPPED WAVE FORM APPROXIMATING A SINUSOIDAL WAVE; AND (D) MEANS FOR ACTUATING SAID INTEGRATING MEANS SUCH THAT SAID INTEGRATION WILL TAKE PLACE AT A RATE SELECTED INDEPENDENTLY OF THE RATE OF ACTUATION OF SAID RECTIFYING MEANS AND THE FIXED FREQUENCY OF THE SOURCE ALTERNATING CURRENT VOLTAGE TO ATTAIN THE DESIRED FREQUENCY IN THE OUTPUT VOLTAGE WHEN THE RECTIFYING MEANS IS ACTUATED IN SYNCHRONIZATION WITH SAID FIXED FREQUENCY.
Claim 2
Dependent Claim
186 words
APPARATUS CAPABLE OF PROVIDING A SELECTED FREQUENCY OUTPUT IN ALTERNATING CURRENT POWER SYSTEMS HAVING A SOURCE OF ALTERNATING CURRENT OF FIXED FREQUENCY AND VOLTAGE, SAID APPARATUS COMPRISING: (A) MEANS FOR RESOLVING THE SOURCE OF ALTERNATING CURRENT VOLTAGE INTO A PLURALITY OF FIXED INCREMENTS OF VOLTAGE; (B) MECHANICAL MEANS RECEIVING SAID FIXED INCREMENTS AND CAPABLE OF BEING MECHANICALLY ACTUATED IN SYNCHRONIZATION WITH SAID FIXED FREQUENCY FOR RECTIFYING THE ALTERNATING CURRENT VOLTAGE IN FIXED INCREMENTS INTO SUBSTANTIALLY DIRECT CURRENT VOLTAGE IN A LIKE NUMBER OF FIXED INCREMENTS OF VOLTAGE; (C) MECHANICAL MEANS RECEIVING THE DIRECT CURRENT VOLTAGE IN SAID FIXED INCREMENTS AND CAPABLE OF MECHANICALLY INTEGRATING SAID FIXED INCREMENTS OF DIRECT CURRENT VOLTAGE INTO AN ALTERNATING CURRENT OUTPUT VOLTAGE HAVING A STEPPED WAVE FORM APPROXIMATING A SINUSOIDAL WAVE; AND (D) MEANS FOR ACTUATING SAID INTEGRATING MEANS SUCH THAT SAID INTEGRATION WILL TAKE PLACE AT A RATE SELECTED INDEPENDENTLY OF THE RATE OF ACTUATION OF SAID RECTIFYING MEANS AND THE FIXED FREQUENCY OF THE SOURCE ALTERNATING CURRENT VOLTAGE TO ATTAIN THE DESIRED FREQUENCY IN THE OUTPUT VOLTAGE WHEN THE RECTIFYING MEANS IS ACTUATED IN SYNCHRONIZATION WITH SAID FIXED FREQUENCY.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |