Patent US4126840A successfully refreshed from Google Patents.
Patent US3343059A successfully refreshed from Google Patents.
US3343059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor generator voltage regulator system
Assignee: Motors Liquidation Co
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Filing: 1965-01-04
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Granted: 1967-09-19
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Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Kirk
- 👤 Louis J Raver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:16
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/14; H02P9/26; H02P9/30; H02P9/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
241 words
AN ELECTRICAL SYSTEM COMPRISING, AN ALTERNATING CURRENT GENERATOR HAVING A FIELD WINDING AND A THREE PHASE OUTPUT WINDING, A THREE PHASE FULL-WAVE BRIDGE RECTIFIER CONNECTED WITH SAID OUTPUT WINDING HAVING DIRECT CURRENT OUTPUT TERMINALS CONNECTED WITH A DIRECT CURRENT LOAD CIRCUIT, A BATTERY CONNECTED DIRECTLY ACROSS SAID LOAD CIRCUIT ONE END OF WHICH IS CONNECTED AT ALL TIMES WITH ONE OF THE DC OUTPUT TERMINALS OF SAID BRIDGE RECTIFIER NETWORK WHEN SAID SYSTEM IS BEING USED, A PLURALITY OF CONTROLLED RECTIFIERS CONNECTED WITH SAID THREE PHASE OUTPUT WINDING AND WITH SAID FIELD WINDING FOR SUPPLYING DIRECT CURRENT TO SAID FIELD WINDING WHEN SAID CONTROLLED RECTIFIERS ARE CONDUCTIVE, A STATIC OSCILLATOR CIRCUIT, A TRANSFORMER HAVING A PRIMARY WINDING AND A PLURALITY OF SECONDARY WINDINGS, SAID OSCILLATOR CIRCUIT INCLUDING SAID PRIMARY WINDING, SAID SECONDARY WINDINGS BEING CONNECTED WITH THE GATE AND CATHODE ELECTRODES OF SAID CONTROLLED RECTIFIERS, MEANS CONNECTING ONE SIDE OF SAID OSCILLATOR CIRCUIT WITH ONE SIDE OF SAID DIRECT CURRENT OUTPUT CIRCUIT, MEANS CONNECTING AN OPPOSITE SIDE OF SAID OSCILLATOR CIRCUIT WITH AN OPPOSITE SIDE OF SAID DIRECT CURRENT OUTPUT CIRCUIT INCLUDING A SEMICONDUCTOR SWITCH, AND A PLURALITY OF DIODES CONNECTED WITH SAID OUTPUT WINDING AND WITH SAID SEMICONDUCTOR SWITCH FOR SUPPLYING A TURN-ON VOLTAGE TO SAID SEMICONDUCTOR SWITCH WHEN SAID GENERATOR BEGINS TO BUILD UP, SAID BATTERY PROVIDING AN INITIAL ENERGIZATION FOR SAID OSCILLATOR CIRCUIT WHEN SAID GENERATOR BEGINS TO BUILD UP AND WHEN SAID SEMICONDUCTOR SWITCH IS TURNED ON.
Claim 2
Dependent Claim
241 words
AN ELECTRICAL SYSTEM COMPRISING, AN ALTERNATING CURRENT GENERATOR HAVING A FIELD WINDING AND A THREE PHASE OUTPUT WINDING, A THREE PHASE FULL-WAVE BRIDGE RECTIFIER CONNECTED WITH SAID OUTPUT WINDING HAVING DIRECT CURRENT OUTPUT TERMINALS CONNECTED WITH A DIRECT CURRENT LOAD CIRCUIT, A BATTERY CONNECTED DIRECTLY ACROSS SAID LOAD CIRCUIT ONE END OF WHICH IS CONNECTED AT ALL TIMES WITH ONE OF THE DC OUTPUT TERMINALS OF SAID BRIDGE RECTIFIER NETWORK WHEN SAID SYSTEM IS BEING USED, A PLURALITY OF CONTROLLED RECTIFIERS CONNECTED WITH SAID THREE PHASE OUTPUT WINDING AND WITH SAID FIELD WINDING FOR SUPPLYING DIRECT CURRENT TO SAID FIELD WINDING WHEN SAID CONTROLLED RECTIFIERS ARE CONDUCTIVE, A STATIC OSCILLATOR CIRCUIT, A TRANSFORMER HAVING A PRIMARY WINDING AND A PLURALITY OF SECONDARY WINDINGS, SAID OSCILLATOR CIRCUIT INCLUDING SAID PRIMARY WINDING, SAID SECONDARY WINDINGS BEING CONNECTED WITH THE GATE AND CATHODE ELECTRODES OF SAID CONTROLLED RECTIFIERS, MEANS CONNECTING ONE SIDE OF SAID OSCILLATOR CIRCUIT WITH ONE SIDE OF SAID DIRECT CURRENT OUTPUT CIRCUIT, MEANS CONNECTING AN OPPOSITE SIDE OF SAID OSCILLATOR CIRCUIT WITH AN OPPOSITE SIDE OF SAID DIRECT CURRENT OUTPUT CIRCUIT INCLUDING A SEMICONDUCTOR SWITCH, AND A PLURALITY OF DIODES CONNECTED WITH SAID OUTPUT WINDING AND WITH SAID SEMICONDUCTOR SWITCH FOR SUPPLYING A TURN-ON VOLTAGE TO SAID SEMICONDUCTOR SWITCH WHEN SAID GENERATOR BEGINS TO BUILD UP, SAID BATTERY PROVIDING AN INITIAL ENERGIZATION FOR SAID OSCILLATOR CIRCUIT WHEN SAID GENERATOR BEGINS TO BUILD UP AND WHEN SAID SEMICONDUCTOR SWITCH IS TURNED ON.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |