US3072840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating system for alternators
Assignee: Motors Liquidation Co
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Filing: 1961-07-27
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Granted: 1963-01-08
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Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 William L Sones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:25
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/14; H02P9/26; H02P9/30; H02P9/305
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
A VOLTAGE REGULATOR FOR CONTROLLING THE ENERGIZATION OF A FIELD WINDING OF A GENERATOR OF THE LIKE COMPRISING, A PAIR OF OUTPUT TERMINALS ADAPTED TO BE CONNECTED WITH SAID FIELD WINDING, A SEMI-CONDUCTOR CONNECTED WITH SAID OUTPUT TERMINALS, MEANS CONNECTED WITH SAID SEMI-CONDUCTOR FOR CONTROLLING ITS CONDUCTIVITY IN ACCORDANCE WITH VOLTAGES APPLIED ACROSS A PAIR OF VOLTAGE SENSING TERMINALS, THREE-PHASE TRANSFORMER MEANS INCLUDING AT LEAST ONE THREE-PHASE PRIMARY WINDING AND FIRST AND SECOND THREEPHASE SECONDARY WINDINGS, SAID FIRST SECONDARY WINDING BEING Y-CONNECTED AND SAID SECOND SECONDARY WINDING BEING DELTA CONNECTED, A FIRST THREE-PHASE FULL WAVE BRIDGE RECTIFIER NETWORK CONNECTED WITH SAID FIRST SECONDARY WINDING, A SECOND THREE-PHASE FULL WAVE BRIDGE RECTIFIER NETWORK CONNECTED WITH SAID SECOND SECONDARY WINDING, AND MEANS CONNECTING THE D.C. OUTPUT TERMINALS OF SAID FIRST AND SECOND BRIDGE RECTIFIER NETWORKS TOGETHER AND WITH SAID VOLTAGE SENSING TERMINALS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |