EXHAUST FACE STRUCTURE OF CRYO ADSORPTION PUMP

PURPOSE:To prevent droppage of adsorbing material by fixing a planar holding member having many openings for providing a gap against the metal face to be cooled cryogenically through refrigerant through spacer members and holding the adsorbing material between the metal face and the holding member....

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Bibliographic Details
Main Author GOSHIMA MIKIHIKO
Format Patent
LanguageEnglish
Published 25.09.1986
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
SEPARATION
TRANSPORTING
WEAPONS
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Summary:PURPOSE:To prevent droppage of adsorbing material by fixing a planar holding member having many openings for providing a gap against the metal face to be cooled cryogenically through refrigerant through spacer members and holding the adsorbing material between the metal face and the holding member. CONSTITUTION:Frame-like metal spacer members 14 are secured to the cryo face 5 of a metallic sump 12 for storing the refrigerant 11. A metal mesh 16 is stretched over the spacer members 14 while granular adsorbing material 6 is placed in the gap between the metal mesh 6 and the cryo face 5. The mesh of said metal mesh 16 is set smaller than the size of the adsorbing material 6 while the height of the spacer member 14 is set same or slightly smaller than the size of the adsorbing material 6 thus to hold the adsorbing material 6 between the cryo face 5 and the metal mesh 16 while contacting tightly against the cryo face 5. Consequently, the adsorbing material 6 can be held reliably without employing organic adhesive which will degrade upon irradiation of radiation.
Bibliography:Application Number: JP19850058072