US3116209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for exchanging energy with a plasma by magnetic punping
Assignee: Individual
•
Filing: 1962-02-21
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Granted: 1963-12-31
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Expires: 1982-02-21
Abstract
No abstract record available.
Inventors
- 👤 Laurence S Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:39
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/10; H05H1/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A METHOD OF HEATING A PLASMA, COMPRISING THE STEPS OF, (A) CONFINING A PLASMA BY A FIRST EXTERNALLY-IMPOSED STATIC MAGNETIC FIELD, SAID FIRST MAGNETIC FIELD HAVING A CONSTANT MAGNITUDE OF H0 FOR AT LEAST A SUBSTANTIAL PORTION THEREOF, (B) APPLYING A SECOND EXTERNALLY-IMPOSED TIME-VARYING MAGNETIC FIELD TO AT LEAST A PORTIN OF SAID CONFINED PLASMA, (C) CAUSING SAID TIME-VARYING FIELD TO RISE FROM A MAGNITUDE HMIN TO A MAGNITUDE HMAX IN A TIME INTERVAL TR, (D) CAUSING SAID TIME-VARYING FIELD TO DECREASE FROM SAID MAGNITUDE HMAX TO SAID MAGNITUDE HMIN IN A TIME INTERVAL TF, WHEREIN THE FOLLOWING TIME RELATIONSHIPS ARE SIMULTANEOUSLY SATISFIED: (1) TR IS SUBSTANTIALLY LESSS THAN TF, (2) BOTH TR AND TF ARE SUBSTANTIALLY GREATER THAN TCY, WHERE TCY IS THE CYCLOTRON PERIOD, (3) TCY<<TR<<TTR,TCOLL; WHERE TTR IS THE ION TRANSIT TIME, AND TCOLL IS THE TIME FOR A 90* DEFLECTION OF AN ION, (E) AND REPEATING STEPS (B) THROUGH (D) ABOVE UNTIL THE DESIRED PLASMA TEMPERATURE IS REACHED.
Claim 2
Independent Claim
162 words
A METHOD OF HEATING A PLASMA, COMPRISING THE STEPS OF, (A) CONFINING A PLASMA BY A FIRST EXTERNALLY-IMPOSED STATIC MAGNETIC FIELD, SAID FIRST MAGNETIC FIELD HAVING A CONSTANT MAGNITUDE OF H0 FOR AT LEAST A SUBSTANTIAL PORTION THEREOF, (B) APPLYING A SECOND EXTERNALLY-IMPOSED TIME-VARYING MAGNETIC FIELD TO AT LEAST A PORTIN OF SAID CONFINED PLASMA, (C) CAUSING SAID TIME-VARYING FIELD TO RISE FROM A MAGNITUDE HMIN TO A MAGNITUDE HMAX IN A TIME INTERVAL TR, (D) CAUSING SAID TIME-VARYING FIELD TO DECREASE FROM SAID MAGNITUDE HMAX TO SAID MAGNITUDE HMIN IN A TIME INTERVAL TF, WHEREIN THE FOLLOWING TIME RELATIONSHIPS ARE SIMULTANEOUSLY SATISFIED: (1) TR IS SUBSTANTIALLY LESSS THAN TF, (2) BOTH TR AND TF ARE SUBSTANTIALLY GREATER THAN TCY, WHERE TCY IS THE CYCLOTRON PERIOD, (3) TCY<<TR<<TTR,TCOLL; WHERE TTR IS THE ION TRANSIT TIME, AND TCOLL IS THE TIME FOR A 90* DEFLECTION OF AN ION, (E) AND REPEATING STEPS (B) THROUGH (D) ABOVE UNTIL THE DESIRED PLASMA TEMPERATURE IS REACHED.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |