US3289070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuitry for obviating the effects caused by subtransient impedances in scr generating system
Assignee: General Electric Co
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Filing: 1963-04-05
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Granted: 1966-11-29
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Expires: 1983-04-05
Abstract
No abstract record available.
Inventors
- 👤 Samuel C Caldwell
- 👤 Lawrence R Peaslee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:25
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/36; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/25; H02M5/27; H02P; H02P9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A CIRCUIT FOR RECONSTRUCTING THE WAVEFORM OF THE VOLTAGE GENERATED BY THE AIR GAP FLUX OF AN ALTERNATOR COMPRISING, MEANS FOR GENERATING AN INSTANTANEOUS VOLTAGE EQUAL TO THE VOLTAGE DROPPED ACROSS THE SUBSTRANSIENT IMPEDANCE OF SAID ALTERNATOR, AND MEANS SERIALLY CONNECTING SAID INSTANTANEOUS VOLTAGE IN ADDITIVE RELATIONSHIP WITH THE VOLTAGE AT THE TERMINALS OF SAID ALTERNATOR.
Claim 2
Dependent Claim
56 words
A CIRCUIT FOR RECONSTRUCTING THE WAVEFORM OF THE VOLTAGE GENERATED BY THE AIR GAP FLUX OF AN ALTERNATOR COMPRISING, MEANS FOR GENERATING AN INSTANTANEOUS VOLTAGE EQUAL TO THE VOLTAGE DROPPED ACROSS THE SUBSTRANSIENT IMPEDANCE OF SAID ALTERNATOR, AND MEANS SERIALLY CONNECTING SAID INSTANTANEOUS VOLTAGE IN ADDITIVE RELATIONSHIP WITH THE VOLTAGE AT THE TERMINALS OF SAID ALTERNATOR.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |