US3176169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mhd induction device
Assignee: General Electric Co
•
Filing: 1960-06-29
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Granted: 1965-03-30
•
Expires: 1980-06-29
Abstract
No abstract record available.
Inventors
- 👤 Robert E Neitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:03
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/08; H02K44/18; H02K44/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A MAGNETOHYDRODYNAMIC INDUCTION DEVICE FOR GENERATING ALTERNATING POWER, THE COMBINATION COMPRISING MEANS DEFINING A FLOW PASSAGE FOR A FLUID, MEANS FOR INJECTING A MATERIAL INTO SAID FLUID TO MAKE SAID FLUID CONDUCTIVE, SAID LAST NAMED MEANS INCLUDING A RADIAL PORTION, FLOW CONTROL MEANS DISPOSED IN THE RADIAL PORTION OF SAID FLOW PATH FOR IMPARTING A RADIALLY INWARD DIRECTION TO SAID CONDUCTIVE FLUID AS IT MOVES THROUGH SAID FLOW PATH DEFINING MEANS, MAGNETIC MEANS FOR IMPRESSING A ROTATING MAGNETIC FIELD ON THE RADIAL PORTION OF SAID FLOW PASSAGE WHICH INTERACTS WITH SAID ROTATING GAS TO PRODUCE A CIRCULATING CURRENT IN SAID GAS, SAID CIRCULATING CURRENT INTERACTING WITH SAID MAGNETIC MEANS AND INCLUDING AN ALTERNATING ELECTROMOTIVE FORCE THEREIN.
Claim 2
Dependent Claim
117 words
IN A MAGNETOHYDRODYNAMIC INDUCTION DEVICE FOR GENERATING ALTERNATING POWER, THE COMBINATION COMPRISING MEANS DEFINING A FLOW PASSAGE FOR A FLUID, MEANS FOR INJECTING A MATERIAL INTO SAID FLUID TO MAKE SAID FLUID CONDUCTIVE, SAID LAST NAMED MEANS INCLUDING A RADIAL PORTION, FLOW CONTROL MEANS DISPOSED IN THE RADIAL PORTION OF SAID FLOW PATH FOR IMPARTING A RADIALLY INWARD DIRECTION TO SAID CONDUCTIVE FLUID AS IT MOVES THROUGH SAID FLOW PATH DEFINING MEANS, MAGNETIC MEANS FOR IMPRESSING A ROTATING MAGNETIC FIELD ON THE RADIAL PORTION OF SAID FLOW PASSAGE WHICH INTERACTS WITH SAID ROTATING GAS TO PRODUCE A CIRCULATING CURRENT IN SAID GAS, SAID CIRCULATING CURRENT INTERACTING WITH SAID MAGNETIC MEANS AND INCLUDING AN ALTERNATING ELECTROMOTIVE FORCE THEREIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |