Refrigeration – Storage of solidified or liquified gas – Including cryostat
Patent
1994-04-15
1995-06-27
Capossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
Including cryostat
62 555, F25B 1900
Patent
active
054269490
ABSTRACT:
A vacuum vessel has a member to be cooled to a low operating temperature inside the vacuum vessel and a main cooling circuit having fluid for cooling the member to operating temperature. The main cooling circuit has first fluid refrigerating means located at the vacuum vessel. To achieve rapid cooling, there is a pre-cooling circuit having the fluid for pre-cooling the member towards the operating temperature. The pre-cooling circuit has second fluid refrigerating means operating independently of the first fluid refrigerating means. The pre-cooling circuit cools the main cooling circuit, prior to operation of the main cooling circuit, by passage of the fluid from the pre-cooling circuit into the main cooling circuit. A heat shield cooling circuit for cooling a heat shield cools the second fluid refrigerating means of the pre-cooling circuit.
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Nemoto Takeo
Ogata Hisanao
Saho Norihide
Uede Taisei
Yamashita Yasuo
Capossela Ronald C.
Hitachi , Ltd.
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