Refrigeration – Low pressure cold trap process and apparatus
Patent
1987-08-26
1988-09-27
Capossela, Ronald C.
Refrigeration
Low pressure cold trap process and apparatus
62514R, F17C 702
Patent
active
047732288
ABSTRACT:
A cryostat comprising a cryogenic vessel for storing a cryogen therein, a port pipe disposed at a portion of the vessel for holding one end of a supply pipe for supplying the cryogen to the vessel thereby allowing the cryogen to flow into the vessel while the very low temperature liquid cryogen is being supplied from the exterior to the vessel, and a cryogen supply pipe disposed in the vessel so as to be spaced apart from the port pipe, further the cryogen supply pipe having a receiving portion for receiving the cryogen from the supply pipe during the supply of the cryogen.
REFERENCES:
patent: 2764873 (1956-10-01), Mooyaart
patent: 3972202 (1976-08-01), Stearns
patent: 4198828 (1980-04-01), Mercier et al.
Masuno Shinichi
Murai Takashi
Capossela Ronald C.
Mitsubishi Denki & Kabushiki Kaisha
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