Refrigeration – Storage of solidified or liquified gas
Patent
1988-02-19
1989-06-13
Cappossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
62 511, 248613, 248DIG1, F17C 100
Patent
active
048380334
ABSTRACT:
An improved heat-insulating support device is disclosed which is capable of supporting a coolant tank to a vacuum vessel in a manner such that when the vacuum tank is subjected to a great external force after the coolant tank has been cooled down to a cryogenic temperature, the coolant tank and hence cryogenic equipment mounted thereon are held in place and prevented from being displaced beyond a prescribed allowable range, without impairing the intended heat-insulating capability thereof. The heat-insulating support device comprises a heat insulating support member disposed outside the coolant tank with one end connected with the coolant tank; a mounting rod having one end connected with the heat-insulating support member and its other end projected outwardly through the vacuum vessel; and a spring for resiliently mounting the other projected end portion of the mounting rod on the vacuum vessel, the spring having a non-linear spring characteristic including a small spring constant for mainly absorbing thermal contraction of the coolant tank and a large spring constant for mainly suppressing displacement of the coolant tank due to large external forces acting thereon after the thermal contraction of the coolant tank.
REFERENCES:
patent: 2421822 (1947-06-01), Wood
patent: 3814361 (1974-06-01), Gabron et al.
patent: 4526015 (1985-07-01), Laskaris
patent: 4613119 (1986-09-01), Hardtke
"Advance in Cryogenic Engineering", Fast, vol. 27, Plenum Press, New York and London, 1982.
Hijikata Akemi
Murai Takashi
Nakamura Tadaaki
Yamamoto Yuuichi
Cappossela Ronald C.
Mitsubishi Denki & Kabushiki Kaisha
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