US3185871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating current magnetohydrodynamic generator
Assignee: Individual
•
Filing: 1961-07-20
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Granted: 1965-05-25
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Expires: 1981-07-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert G Bodine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:32
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/08; H02K44/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A MAGNETOHYDRODYNAMIC GENERATOR, THE COMBINATION OF: A CONDUIT CONTAINING A COLUMN OF GAS, MEANS FOR SETTING UP AND MAINTAINING IN SAID COLUMN A LONGITUDINAL SONIC STANDING WAVE, WITH AT LEAST ONE VELOCITY ANTINODE THEREALONG, MEANS FOR IONIZING AT LEAST THAT PORTION OF THE GAS IN THE REGION OF SAID VELOCITY ANTINODE, MEANS FOR SETTING UP A MAGNETIC FIELD TRANSVERSELY ACROSS SAID GAS COLUMN IN SAID CONDUIT IN THE REGION OF SAID VELOCITY ANTINODE, WHEREBY AN ALTERNATING ELECTRIC CURRENT FLOWS TRANSVERSELY ACROSS SAID GAS COLUMN AT RIGHT ANGLES TO SAID MAGNETIC FIELD, AND COLLECTOR MEANS AND AN OUTPUT CIRCUIT FOR SAID ALTERNATING CURRENT.
Claim 2
Dependent Claim
103 words
IN A MAGNETOHYDRODYNAMIC GENERATOR, THE COMBINATION OF: A CONDUIT CONTAINING A COLUMN OF GAS, MEANS FOR SETTING UP AND MAINTAINING IN SAID COLUMN A LONGITUDINAL SONIC STANDING WAVE, WITH AT LEAST ONE VELOCITY ANTINODE THEREALONG, MEANS FOR IONIZING AT LEAST THAT PORTION OF THE GAS IN THE REGION OF SAID VELOCITY ANTINODE, MEANS FOR SETTING UP A MAGNETIC FIELD TRANSVERSELY ACROSS SAID GAS COLUMN IN SAID CONDUIT IN THE REGION OF SAID VELOCITY ANTINODE, WHEREBY AN ALTERNATING ELECTRIC CURRENT FLOWS TRANSVERSELY ACROSS SAID GAS COLUMN AT RIGHT ANGLES TO SAID MAGNETIC FIELD, AND COLLECTOR MEANS AND AN OUTPUT CIRCUIT FOR SAID ALTERNATING CURRENT.
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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |