US3733248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma control by feedback
Assignee: United States Atomic Energy Commission
•
Filing: 1972-02-15
•
Granted: 1973-05-15
•
Expires: 1992-02-15
Abstract
Abstract METHOD AND APPARATUS FOR CONTROLLING INSTABILITIES IN A MAGNETICALLY CONFINED PLASMA BY APPLYING FEEDBACK TO THE PARTICLE DENSITY, MOMENTUM, ENERGY, AND/OR POTENTIAL OF THE PLASMA, FOR MAXIMIZING THE DENSITY OF THE SAME AND/ OR FOR PROVIDING MEANS FOR CONFINING THE PLASMA FOR LONG PERIODS OF TIME AND/OR AT HIGH TEMPERATURES. MORE PARTICULARLY, THIS INVENTION CONTEMPLATES FEEDBACK CONTROL OF THE PLASMA BY SELECTIVELY INJECTING PARTICLES, MOMENTUM OR ENERGY INTO THE PLASMA. IN ANOTHER ASPECT, THIS INVENTION CONTEMPLATES FEEDBACK CONTROL OF THE MAGNETIC CONFINING FIELD.
Inventors
- 👤 H Hendel
- 👤 F Chen
- 👤 T Chu
- 👤 H Furth
- 👤 F Perkins
- 👤 T Simonen
- 👤 J Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:25
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/10; Y; Y02; Y02E; Y02E30/00; Y02E30/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |