CERAMIC CRYOGENIC ENERGY-STORING MATERIAL OF RARE EARTH OXYSULFIDE, METHOD FOR PRODUCING THE SAME, AND CRYOGENETIC ENERGY-STORING TOOL FOR VERY LOW TEMPERATURE BY USING THE CRYOGENIC ENERGY-STORING MATERIAL

PROBLEM TO BE SOLVED: To provide a ceramic cryogenic energy-storing material hardly causing fine powder or the like even after a long-time continuous operation by incorporating the material into a refrigerator, easily heat-exchangeable with a working medium, and having a large specific heat. SOLUTIO...

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Hauptverfasser:	NOZAWA TOSHITERU, KAGAWA KATSUNORI, YANAGIYA TAKAKIMI, ONO ATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMBINED HEATING AND REFRIGERATION SYSTEMS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES ELECTRICITY HEAT PUMP SYSTEMS HEATING LIGHTING LIME, MAGNESIA LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES REFRACTORIES REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING SLAG TREATMENT OF NATURAL STONE WEAPONS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a ceramic cryogenic energy-storing material hardly causing fine powder or the like even after a long-time continuous operation by incorporating the material into a refrigerator, easily heat-exchangeable with a working medium, and having a large specific heat. SOLUTION: Granules of Gd2O2S is packed in a pipe of the Gd2O2S, and sintered. The granules are bound to each other, and the granules and the pipe are integrated by the shrinking power of the pipe at sintering. The pipe is formed into the porous one by molding the Gd2O2S with an organic material mixed therewith. COPYRIGHT: (C)2004,JPO