US3167702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration damping arrangement for rotary field system of excitation regulation synchronous machines
Assignee: Brown Boveri & AG Cie
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Filing: 1961-08-14
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Granted: 1965-01-26
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Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
- 👤 Schonung Arnold
- 👤 Stahl Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:58
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/10; H02P9/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A SYNCHRONOUS ELECTRICAL MACHINE APPARATUS THE COMBINATION COMPRISING A STATOR ELEMENT CONNECTED TO A NETWORK AND A ROTARY FIELD SYSTEM, MEANS FOR EXCITING THE WINDINGS ON SAID ROTARY FIELD SYSTEM, REGULATING MEANS HAVING THE OUTPUT THEREOF CONNECTED TO SAID EXCITING MEANS FOR CONTROLLING THE OUTPUT OF SAID EXCITING MEANS, MEANS PRODUCING SAID SUPPLYING TO THE INPUT OF SAID REGULATING MEANS A FIRST NOMINAL INPUT CONTROL VALVE, AND MEANS PRODUCING AND SUPPLYING TO THE INPUT OF SAID REGULATING MEANS A SECOND NORMINAL INPUT CONTROL VALVE, SAID FIRST AND SECOND NOMINAL INPUT VALUES SERVING TO CONTROL THE
Claim 2
Dependent Claim
96 words
IN A SYNCHRONOUS ELECTRICAL MACHINE APPARATUS THE COMBINATION COMPRISING A STATOR ELEMENT CONNECTED TO A NETWORK AND A ROTARY FIELD SYSTEM, MEANS FOR EXCITING THE WINDINGS ON SAID ROTARY FIELD SYSTEM, REGULATING MEANS HAVING THE OUTPUT THEREOF CONNECTED TO SAID EXCITING MEANS FOR CONTROLLING THE OUTPUT OF SAID EXCITING MEANS, MEANS PRODUCING SAID SUPPLYING TO THE INPUT OF SAID REGULATING MEANS A FIRST NOMINAL INPUT CONTROL VALVE, AND MEANS PRODUCING AND SUPPLYING TO THE INPUT OF SAID REGULATING MEANS A SECOND NORMINAL INPUT CONTROL VALVE, SAID FIRST AND SECOND NOMINAL INPUT VALUES SERVING TO CONTROL THE
References Cited (Backward Citations)
US2979652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |