Coaxial electrical line attenuator

Claim 1

AN ATTENUATING DEVICE FOR USE IN A HIGH FREQUENCY COAXIAL ELECTRICAL SYSTEM, SAID DEVICE COMPRISING: AN ELONGATED, HORN-SHAPED OUTER CONDUCTOR; AN ELONGATED INNER CONDUCTOR WITHIN AND COAXIAL TO SAID OUTER CONDUCTOR, ONE OF SAID CONDUCTORS COMPRISING AN ELONGATED CERAMIC TUBE HAVING AN ELECTRICALLY RESISTIVE MEANS ON ONE SURFACE THEREOF AND BEING FORMED OF A MATERIAL HAVING A THERMAL CONDUCTIVITY OF THE ORDER OF AT LEAST .2 CALORIES PER SECOND PER SQUARE CENTIMETER PER CENTIMETER PER DEGREES CENTIGRADE; FLUID FLOW MEANS DISPOSED IN FIXED RELATION TO SAID CERAMIC TUBE; AND CONDUIT MEANS CONNECTED TO SAID FLUID FLOW MEANS AND ADAPTED TO BE CONNECTED ALSO TO A SOURCE OF FLUID COOLANT UNDER PRESSURE FOR SUPPLYING FLUID TO SAID ONE CONDUCTOR, SAID FLUID FLOW MEANS BEING ADAPTED TO DIRECT THE FLOW OF FLUID SUPPLIED TO SAID ONE CONDUCTOR IN ONE DIRECTION THROUGHOUT SAID TUBE IN A RECEIVING RUN AND IN A REVERSE DIRECTION IN A RETURNING RUN SAID RUNS BEING CONCENTRIC AND WITHIN SAID CERAMIC TUBE, SAID CONDUIT MEANS INCLUDING MEANS SPACED ALONG SAID CONDUIT MEANS FOR PRODUCING TURBULENCE IN THE FLUID FLOWING IN SAID RETURNING RUN.