US3215871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural features of mhd electrical power generator
Assignee: Allis Chalmers Corp
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Filing: 1961-12-26
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Granted: 1965-11-02
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 Edward F Brill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:20
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A MHD DEVICE, A COMBINATION, A MAGNETIZABLE BODY HAVING A PASSAGEWAY EXTENDING AXIALLY THERETHROUGH, SAID BODY BEING COMPRISED OF A PLURALITY OF DISCRETE MEMBERS IN STACKED RELATIONSHIP ALONG THE AXIS OF SAID BODY, CERTAIN OF SAID MEMBERS HAVING RADIALLY DISPOSED OPENINGS THEREIN WHICH COMMUNICATE WITH SAID PASSAGEWAY, A MAGNET COIL DISPOSED WITHIN SAID PASAGEWAY AND ENERGIZABLE TO PROVIDE A MAGNETIC FIELD TRANSVERSELY THROUGH SAID PASSAGEWAY, INSULATING MEANS DISPOSED WITHIN SAID PASSAGEWAY TO DEFINE TWO OPPOSITE SIDES OF A FLOW CHANNEL FOR HOT ELECTRICALLY CONDUCTIVE GASES, AND CONSUMABLE ELECTRODE MEANS EXTENDING THROUGH SAID OPENINGS IN SAID MEMBERS, SAID ELECTRODE MEANS ADAPTED TO EXTEND INTO SAID PASSAGEWAY TO DEFINE TWO OTHER OPPOSITE SIDES OF SAID FLOW CHANNEL.
Claim 2
Dependent Claim
116 words
IN A MHD DEVICE, A COMBINATION, A MAGNETIZABLE BODY HAVING A PASSAGEWAY EXTENDING AXIALLY THERETHROUGH, SAID BODY BEING COMPRISED OF A PLURALITY OF DISCRETE MEMBERS IN STACKED RELATIONSHIP ALONG THE AXIS OF SAID BODY, CERTAIN OF SAID MEMBERS HAVING RADIALLY DISPOSED OPENINGS THEREIN WHICH COMMUNICATE WITH SAID PASSAGEWAY, A MAGNET COIL DISPOSED WITHIN SAID PASAGEWAY AND ENERGIZABLE TO PROVIDE A MAGNETIC FIELD TRANSVERSELY THROUGH SAID PASSAGEWAY, INSULATING MEANS DISPOSED WITHIN SAID PASSAGEWAY TO DEFINE TWO OPPOSITE SIDES OF A FLOW CHANNEL FOR HOT ELECTRICALLY CONDUCTIVE GASES, AND CONSUMABLE ELECTRODE MEANS EXTENDING THROUGH SAID OPENINGS IN SAID MEMBERS, SAID ELECTRODE MEANS ADAPTED TO EXTEND INTO SAID PASSAGEWAY TO DEFINE TWO OTHER OPPOSITE SIDES OF SAID FLOW CHANNEL.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |