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Crossed field plasma device

  • US 3,355,605 A
  • Filed: 09/23/1963
  • Issued: 11/28/1967
  • Est. Priority Date: 09/23/1963
  • Status: Expired due to Term
First Claim
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1. IN A PLASMA ENERGY CONVERTER, APPARATUS FOR GENERATING IONS COMPRISING MEANS FOR GUIDING PLASMA ALONG A PREDETERMINED PATH, SAID CONDUIT MEANS INCLUDING A GAS INPUT MEANS AND A GAS OUTPUT MEANS, A SOURCE OF HEATED NEUTRAL GAS, MEANS FOR CONNECTING SAID SOURCE OF HEATED GAS TO SAID GAS INPUT MEANS SO THAT THE HEATED GAS FLOWS THROUGH SAID CONDUIT MEANS, MEANS FOR INJECTING AN ELECTRON BEAM INTO A GIVEN REGION WITHIN SAID CONDUIT MEANS, MEANS FOR APPLYING A MAGNETIC FIELD TO AT LEAST SAID REGION WITHIN SAID CONDUIT MEANS, SAID MAGNETIC FIELD HAVING A DIRECTION SUBSTANTIALLY PERPENDICULAR TO SAID PREDETERMINED PATH, MEANS FOR APPLYING A PULSED ELECTRIC FIELD TO SAID REGION, SAID PULSED ELECTRIC FIELD HAVING A DIRECTION SUBSTANTIALLY PERPENDICULAR TO BOTH THE DIRECTION OF SAID MAGNETIC FIELD AND SAID PREDETERMINED PATH, SAID PULSED ELECTRIC FIELD HAVING A PULSE DURATION OF LESS THAN TEN NANOSECONDS TO FIELD IONIZE SAID NEUTRAL GAS WITHOUT BREAKDOWN WHEREBY THE NEUTRAL GAS IS IONIZED PARTLY BY THE INJECTED ELECTRON BEAM AND PARTLY BY THE FIELD IONIZATION RESULTING FROM THE PULSED ELECTRIC FIELD.

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