US3320443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric current generator of the magnetohydrodynamic type
Assignee: Alcatel Lucent SAS
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Filing: 1962-05-07
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Granted: 1967-05-16
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Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Klein Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:38
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/08; Y; Y10; Y10S; Y10S62/00; Y10S62/914
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
AN ELECTRIC CURRENT GENERATOR OF THE MAGNETOHYDRODYNAMIC TYPE HAVING A SPACE BETWEEN ELECTRODES IN WHICH A MAGNETIC FIELD EXISTS, COMPRISING MEANS FOR PASSING A FLUX OF HOT IONIZED GAS EMANATING FROM A COMBUSTION CHAMBER THROUGH SAID SPACE BETWEEN THE ELECTRODES, MEANS FOR PRODUCING A MAGNETIC FIELD WITHIN SAID SPACE INCLUDING A WINDING THROUGH WHICH AN ELECTRIC CURRENT FLOWS, AND COOLING MEANS UTILIZING LIQUID OXYGEN FOR COOLING SAID WINDING MEANS INCLUDING A COOLING CIRCUIT HAVING SEPARATOR MEANS FOR SEPARATING THE GASEOUS OXYGEN FROM THE LIQUID OXYGEN IN THE GAS-LIQUID MIXTURE RETURNING FROM SAID WINDING, SAID SEPARATOR MEANS BEING PROVIDED WITH MEANS ENABLING THE REMOVAL OF THE GASEOUS OXYGEN, AND MEANS FOR SUPPLYING SAID GASEOUS OXYGEN FROM SAID LASTMENTIONED MEANS TO SAID COMBUSTION CHAMBER.
Claim 2
Dependent Claim
122 words
AN ELECTRIC CURRENT GENERATOR OF THE MAGNETOHYDRODYNAMIC TYPE HAVING A SPACE BETWEEN ELECTRODES IN WHICH A MAGNETIC FIELD EXISTS, COMPRISING MEANS FOR PASSING A FLUX OF HOT IONIZED GAS EMANATING FROM A COMBUSTION CHAMBER THROUGH SAID SPACE BETWEEN THE ELECTRODES, MEANS FOR PRODUCING A MAGNETIC FIELD WITHIN SAID SPACE INCLUDING A WINDING THROUGH WHICH AN ELECTRIC CURRENT FLOWS, AND COOLING MEANS UTILIZING LIQUID OXYGEN FOR COOLING SAID WINDING MEANS INCLUDING A COOLING CIRCUIT HAVING SEPARATOR MEANS FOR SEPARATING THE GASEOUS OXYGEN FROM THE LIQUID OXYGEN IN THE GAS-LIQUID MIXTURE RETURNING FROM SAID WINDING, SAID SEPARATOR MEANS BEING PROVIDED WITH MEANS ENABLING THE REMOVAL OF THE GASEOUS OXYGEN, AND MEANS FOR SUPPLYING SAID GASEOUS OXYGEN FROM SAID LASTMENTIONED MEANS TO SAID COMBUSTION CHAMBER.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |