F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
F28D 20/00 (2006.01) C09K 5/06 (2006.01) F25D 16/00 (2006.01)
Patent
CA 2057993
ABSTRACT This invention relates to a latent heat storage apparatus and a latent heat storage solution therefor for storing and retrieving a cool heat substantially in or from a latent heat thereof necessary for air conditioning, cooling, refrigerating, and so forth. In a latent heat storage apparatus having an aqueous solution of a plurality of inorganic salts as a latent heat storage solution in a heat storage tank, formed in retrievable a cold heat from a stored latent heat, the latent heat storage apparatus comprising: the latent heat storage solution formed of (N - 1) kinds of inorganic salts in at least an N-component aqueous solution where N > 3, said latent heat storage solution storable the cold heat as the latent heat thereof, the cold heat retrievable from the stored latent heat at a desired temperature almost invariably within a range higher than the N-component eutectic point and lower than any one of binary eutectic points of salts with water, the concentration of each inorganic salt in the aqueous solution represented in a tortuous eutectic plane including ice point of the N-component equilibria diagram, wherein the concentration range allows to retrieve the cold heat at the specified temperature almost invariably from the latent heat of ice, binary eutectics with water and inorganic salts, or separated substances.
Ishikawa Masaya
Kasahara Keisuke
Kawamura Kuniaki
Kawasaki Shigetake
Komatsu Fujio
Asahi Denka Kogyo K. K.
Gowling Lafleur Henderson Llp
Maekawa Mfg. Co. Ltd.
Tokyo Electric Power Company
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