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US2991238A Expired / Lapsed US ⏱️ 0.0 years remaining

Pinched plasma reactor

Assignee: Individual
•
Filing: 1958-06-19
•
Granted: 1961-07-04
•
Expires: 1978-06-19
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Abstract

No abstract record available.

Inventors

  • 👤 James A Phillips
  • 👤 Bergen R Suydam
  • 👤 James L Tuck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 14:30
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/10; H05H1/12; G; G21; G21B; G21B1/00; Y; Y02; Y02E; Y02E30/00; Y02E30/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 244 words
A PINCHED PLASMA NEUTRON SOURCE COMPRISING IN COMBINATION AN ELONGATED, GENERALLY CYLINDRICAL INSULATING CHAMBER, A FILLING OF GAS WITHIN SAID CHAMBER SELECTED FROM THE CLASS CONSISTING OF DEUTERIUM AND A MIXTURE OF DEUTERIUM AND TRITIUM, AN ELECTRICALLY CONDUCTIVE SHELL SURROUNDING SAID CHAMBER, SAID CONDUCTING SHELL BEING ADAPTED TO RECEIVE VOLTAGE PULSES TO IONIZE AND INDUCE A CURRENT IN SAID GAS AND TO COMPRESS SAID IONIZED GAS TO FORM A PINCH, A FIRST ELECTRICAL WINDING SURROUNDING SAID CONDUCTING SHELL, SAID FIRST WINDING BEING ADAPTED FOR CONNECTION TO AN EXTERNAL SOURCE OF ELECTRICAL ENERGY TO PROVIDE AN AXIAL MAGNETIC FIELD FILLING SAID CHAMBER PRIOR TO SAID VOLTAGE PULSES, SAID WINDING UTILIZING THE AXIAL LENGTH OF SAID CONDUCTING SHELL FOR ITS RETURN PATH AND A SECOND ELECTRICAL WINDING WITHIN SAID CHAMBER, SAID SECOND WINDING HAVING ITS ENDS SHORTED TOGETHER AND BEING SO WOUND WITH RESPECT TO THE DIRECTION OF CURRENT FLOW THROUGH SAID CONDUCTING SHELL AS TO PRODUCE AN AXIAL MAGNETIC FIELD OPPOSING THAT OF SAID FIRST WINDING AS A RESULT OF ELECTROMAGNETIC COUPLING BETWEEN SAID CONDUCTING SHELL AND SAID SECOND WINDING, SAID WINDING BEING OF SUCH OFFSET CROSS SECTION AND BEING SO WOUND THAT THERE IS NO CONTACT BETWEEN ADJACENT TURNS AND THERE IS NO PART OF SAID CHAMBER WALL EXPOSED TO ITS CENTER LINE, SAID WINDING BEING COMPOSED OF A MATERIAL HAVING A HIGH FIGURE OF MERIT, GOOD ELECTRICAL CONDUCTIVITY AND A LOW Z-NUMBER, EACH OF SAID ELECTRICALLY CONDUCTIVE MEMBERS CONTAINING A THROUGH COOLANT CHANNEL.
Claim 2
Dependent Claim 244 words
A PINCHED PLASMA NEUTRON SOURCE COMPRISING IN COMBINATION AN ELONGATED, GENERALLY CYLINDRICAL INSULATING CHAMBER, A FILLING OF GAS WITHIN SAID CHAMBER SELECTED FROM THE CLASS CONSISTING OF DEUTERIUM AND A MIXTURE OF DEUTERIUM AND TRITIUM, AN ELECTRICALLY CONDUCTIVE SHELL SURROUNDING SAID CHAMBER, SAID CONDUCTING SHELL BEING ADAPTED TO RECEIVE VOLTAGE PULSES TO IONIZE AND INDUCE A CURRENT IN SAID GAS AND TO COMPRESS SAID IONIZED GAS TO FORM A PINCH, A FIRST ELECTRICAL WINDING SURROUNDING SAID CONDUCTING SHELL, SAID FIRST WINDING BEING ADAPTED FOR CONNECTION TO AN EXTERNAL SOURCE OF ELECTRICAL ENERGY TO PROVIDE AN AXIAL MAGNETIC FIELD FILLING SAID CHAMBER PRIOR TO SAID VOLTAGE PULSES, SAID WINDING UTILIZING THE AXIAL LENGTH OF SAID CONDUCTING SHELL FOR ITS RETURN PATH AND A SECOND ELECTRICAL WINDING WITHIN SAID CHAMBER, SAID SECOND WINDING HAVING ITS ENDS SHORTED TOGETHER AND BEING SO WOUND WITH RESPECT TO THE DIRECTION OF CURRENT FLOW THROUGH SAID CONDUCTING SHELL AS TO PRODUCE AN AXIAL MAGNETIC FIELD OPPOSING THAT OF SAID FIRST WINDING AS A RESULT OF ELECTROMAGNETIC COUPLING BETWEEN SAID CONDUCTING SHELL AND SAID SECOND WINDING, SAID WINDING BEING OF SUCH OFFSET CROSS SECTION AND BEING SO WOUND THAT THERE IS NO CONTACT BETWEEN ADJACENT TURNS AND THERE IS NO PART OF SAID CHAMBER WALL EXPOSED TO ITS CENTER LINE, SAID WINDING BEING COMPOSED OF A MATERIAL HAVING A HIGH FIGURE OF MERIT, GOOD ELECTRICAL CONDUCTIVITY AND A LOW Z-NUMBER, EACH OF SAID ELECTRICALLY CONDUCTIVE MEMBERS CONTAINING A THROUGH COOLANT CHANNEL.

References Cited (Backward Citations)

US2910414A Cited
US2868991A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-07-03 1965-01-02 1965-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-07-03 1969-01-02 1969-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-07-03 1973-01-02 1973-07-04 $7700.00 Window Closed / Lapsed

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