US3200323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for generating alternating current
Assignee: English Electric Co Ltd
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Filing: 1961-11-06
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Granted: 1965-08-10
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Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Faulkes Kenneth Milford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:03
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/14; H02P9/26; H02P9/30; H02P9/302; H02P9/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
APPARATUS FOR GENERATING A.C. INCLUDING, IN COMBINATION, AN A.C. GENERATOR HAVING A STATIONARY A.C. OUTPUT WINDING AND A ROTATING D.C. EXCITING WINDING, AN A.C. EXCITER HAVING STATIONARY EXCITING MEANS AND A ROTATING A.C. OUTPUT WINDING, CONTROLLED RECTIFIER MEANS SUPPLIED FROM THE ROTATION OUTPUT WINDING AND CONNECTED TO SUPPLY THE ROTATING D.C. EXCITING WINDING WITH DIRECT CURRENT, THE TWO ROTATING WINDINGS AND THE CONTROLLED RECTIFIER MEANS BEING MOUNTED ON A COMON SHAFT, AND TRANSFER MEANS FOR INDUCTIVELY TRANSFERRING CONTROL SIGNALS FROM THE STATIONARY PART OF THE MACHINE TO THE CONTROLLED RECTIFIER MEANS WHEREBY TO CONTROL THE FIRING ANGLE OF THE CONTROLLED RECTIFIER MEANS.
Claim 2
Dependent Claim
102 words
APPARATUS FOR GENERATING A.C. INCLUDING, IN COMBINATION, AN A.C. GENERATOR HAVING A STATIONARY A.C. OUTPUT WINDING AND A ROTATING D.C. EXCITING WINDING, AN A.C. EXCITER HAVING STATIONARY EXCITING MEANS AND A ROTATING A.C. OUTPUT WINDING, CONTROLLED RECTIFIER MEANS SUPPLIED FROM THE ROTATION OUTPUT WINDING AND CONNECTED TO SUPPLY THE ROTATING D.C. EXCITING WINDING WITH DIRECT CURRENT, THE TWO ROTATING WINDINGS AND THE CONTROLLED RECTIFIER MEANS BEING MOUNTED ON A COMON SHAFT, AND TRANSFER MEANS FOR INDUCTIVELY TRANSFERRING CONTROL SIGNALS FROM THE STATIONARY PART OF THE MACHINE TO THE CONTROLLED RECTIFIER MEANS WHEREBY TO CONTROL THE FIRING ANGLE OF THE CONTROLLED RECTIFIER MEANS.
References Cited (Backward Citations)
US2659044A
Cited
US3030531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |