US3149247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetohydrodynamic generator configuration
Assignee: General Electric Co
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Filing: 1960-10-06
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Granted: 1964-09-15
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Expires: 1980-10-06
Abstract
No abstract record available.
Inventors
- 👤 James D Cobine
- 👤 Lawson P Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:08
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
A MAGNETOHYDRODYNAMIC GENERATOR COMPRISING, AN INSULATING MEMBER DEFINING A RECTANGULAR CROSS-SECTIONED CHANNEL AND INCLUDING TOP AND BOTTOM PLANAR PORTIONS AND A PLURALITY OF PAIRS OF OPPOSITELY DISPOSED PLANAR SPACER MEMBERS DISPLACED ALONG THE AXIS OF SAID CHANNEL AND JOINING SAID TOP AND BOTTOM PLANAR PORTIONS ALONG THE AXIALLY EXTENDING EDGES THEREOF, SAID CHANNEL CONFINING A CONDUCTING FLUID DURING ITS FLOW THERETHROUGH, MEANS PROVIDING A MAGNETIC FIELD IN SAID CHANNEL HAVING LINES OF FLUX TRANSVERSE TO THE DIRECTION OF FLUID FLOW, A PLURALITY OF PAIRS OF OPPOSITELY DISPOSED ELECTRODES POSITIONED SO AS TO BE IN CONTACT WITH THE IONIZED FLUID WITHIN SAID CHANNEL AND SPACED ALONG SAID CHANNEL IN THE DIRECTION OF FLUID FLOW, SAID ELECTRODES BEING SEPARATED FROM EACH OTHER BY SAID PLANAR SPACER MEMBERS AND JOINED THERETO AND TO SAID TOP AND BOTTOM PLANAR PORTIONS, A PLURALITY OF CONDUCTIVE BARS EXTENDING TRANSVERSELY OF SAID AXIS AND POSITIONED IN SPACED, ELECTRICALLY INSULATED RELATION ON ONE OF SAID PLANAR PORTIONS EXTERNALLY OF SAID CHANNEL, EACH OF SAID CONDUCTIVE BARS ELECTRICALLY CONNECTING A PAIR OF OPPOSITELY DISPOSED ELECTRODES TOGETHER TO PROVIDE A PLURALITY OF COMPLETED ELECTRICAL CIRCUITS FOR TRANSVERSE CURRENT WHICH IS GENERATED BY THE INTERACTION OF THE CONDUCTING FLUID WITH THE MAGNETIC FIELD, AND MEANS ELECTRICALLY CONNECTING A LOAD BETWEEN ANY TWO ELECTRODE PAIRS SEPARATED IN THE AXIAL DIRECTION.
Claim 2
Dependent Claim
218 words
A MAGNETOHYDRODYNAMIC GENERATOR COMPRISING, AN INSULATING MEMBER DEFINING A RECTANGULAR CROSS-SECTIONED CHANNEL AND INCLUDING TOP AND BOTTOM PLANAR PORTIONS AND A PLURALITY OF PAIRS OF OPPOSITELY DISPOSED PLANAR SPACER MEMBERS DISPLACED ALONG THE AXIS OF SAID CHANNEL AND JOINING SAID TOP AND BOTTOM PLANAR PORTIONS ALONG THE AXIALLY EXTENDING EDGES THEREOF, SAID CHANNEL CONFINING A CONDUCTING FLUID DURING ITS FLOW THERETHROUGH, MEANS PROVIDING A MAGNETIC FIELD IN SAID CHANNEL HAVING LINES OF FLUX TRANSVERSE TO THE DIRECTION OF FLUID FLOW, A PLURALITY OF PAIRS OF OPPOSITELY DISPOSED ELECTRODES POSITIONED SO AS TO BE IN CONTACT WITH THE IONIZED FLUID WITHIN SAID CHANNEL AND SPACED ALONG SAID CHANNEL IN THE DIRECTION OF FLUID FLOW, SAID ELECTRODES BEING SEPARATED FROM EACH OTHER BY SAID PLANAR SPACER MEMBERS AND JOINED THERETO AND TO SAID TOP AND BOTTOM PLANAR PORTIONS, A PLURALITY OF CONDUCTIVE BARS EXTENDING TRANSVERSELY OF SAID AXIS AND POSITIONED IN SPACED, ELECTRICALLY INSULATED RELATION ON ONE OF SAID PLANAR PORTIONS EXTERNALLY OF SAID CHANNEL, EACH OF SAID CONDUCTIVE BARS ELECTRICALLY CONNECTING A PAIR OF OPPOSITELY DISPOSED ELECTRODES TOGETHER TO PROVIDE A PLURALITY OF COMPLETED ELECTRICAL CIRCUITS FOR TRANSVERSE CURRENT WHICH IS GENERATED BY THE INTERACTION OF THE CONDUCTING FLUID WITH THE MAGNETIC FIELD, AND MEANS ELECTRICALLY CONNECTING A LOAD BETWEEN ANY TWO ELECTRODE PAIRS SEPARATED IN THE AXIAL DIRECTION.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |