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AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsYasuhito Takahashi, Katutosi Tusima, Takumi Kida, Yuko Ishii, Hiroshi Tatsui, Kazuyuki Hamada
Estimating the term…
A clear ice making apparatus includes: a freezing space; a tray placed in the freezing space and having a lower temperature at a bottom part thereof than at an upper part thereof; and a water supply unit of supplying water to the tray from the top thereof, in which ice is made at an ice making rate of 5 μm/s or lower, a part of a liquid-phase section of water in the tray which part is in contact with atmosphere is frozen to complete the ice making, the liquid-phase section of water is not entirely supercooled before the ice making is completed, and the concentration of air in the liquid-phase section of water in the tray is equal to or lower than an excessive concentration of air.
A clear ice making apparatus having an ice making cycle defined as (a) supply water to a tray and (b) emptying the tray after water freezes in the tray, the apparatus comprising:
A clear ice making method of making a clear ice using a clear ice making apparatus, the clear ice making apparatus including a freezing space, a tray placed in said freezing space and having a lower temperature at a bottom part thereof than at an upper part thereof, and water supply means of supplying water intermittently to said tray, the method including the steps of:
Dependencies are inferred from the claim text.