Condensing vacuum insulation

Claim 1

APPARATUS FOR FLOW OF LOW TEMPERATURE FLUIDS THERETHROUGH COMPRISING: (A) AN ELONGATED OUTER TUBULAR MEMBER HAVING A RECEIVING END PROVIDED WITH A COUPLING FOR ATTACHMENT TO A SUPPLY OF CRYOGENIC FLUID; (B) AN INNER TUBULAR MEMBER INCLUDING A RECEIVING END SECTION DISPOSED IN COMMUNICATION WITH SAID SUPPLY OF CRYOGENIC FLUID AND SECURED THERTO BY SAID COUPLING AND DISPOSED FOR CRYOGENIC FLOW THERETHROUGH, SAID INNER TUBULAR MEMBER AXIALLY DISPOSED WITHIN SAID OUTER TUBULAR MEMBER TO PROVIDE THEREWITH AN ANNULAR CHAMBER; (C) A CONDENSIBLE GAS DISPOSED IN SAID CHAMBER FOR CONDENSATION RESPONSIVE TO CRYOGENIC FLOW THROUGH SAID INNER TUBULAR MEMBER; (D) A MATERIAL POSSESSING ENTRAPPING INTERSTICES WRAPPED ON SAID INNER TUBULAR MEMBER AND DISPOSED FOR ADSORBING MOLECULES OF SAID CONDENSIBLE GAS FOR CONCENTRATION THEROF AT SAID MATERIAL TO PROVIDE THEREON A LAYER OF SOLIDIFIED GAS ENCLOSING SAID INNER TUBULAR MEMBER AND PROVIDING INSULATION THERETO, SAID GAS DISPOSED TO MATERIALLY DECREAASE PRESSURE WITHIN THE CHAMBER FOR EVACUATED ENCLOSURE OF SAID INNER TUBULAR MEMBER RESPONSIVE TO THE SOLIDIFICATION; AND (E) A MEMBER FORMING A RADIATION SHIELD ENCLOSING SAID ENTRAPPING MATERIAL AND SAID INNER TUBULAR MEMBER, SAID RADIATION SHIELD AND SAID ENTRAPPING MATERIAL BEING SPACED FROM SAID OUTER TUBULAR MEMBER TO AID IN SOLIDIFYING AND PREVENTING RE-EVAPORATION OF SAID SOLIDIFIED GAS BY KEEPING SAID SOLIDIFIED GAS FROM CONTACT WITH SAID OUTER MEMBER.