Refrigeration – Processes – Congealing flowable material – e.g. – ice making
Patent
1986-02-07
1987-09-22
Tapolcai, William E.
Refrigeration
Processes
Congealing flowable material, e.g., ice making
62 74, 62347, F25C 112
Patent
active
046946560
ABSTRACT:
The method of repetitively making discrete blocks of ice which is performed with apparatus having a plurality of adjacently disposed ice freezing pockets formed with a refrigeration evaporator as the base of each pocket of the pockets, horizontally extending and vertically spaced apart evaporator fins as the sides of the pockets, and horizontally pivotal vertical plates as the ends of the pockets. A refrigeration apparatus is provided to alternately freeze the refrigeration evaporator of the ice freezing pockets and very quickly and very briefly heat the refrigeration evaporator directly to loosen the ice blocks from the freezing pockets. Apparatus is provided to apply a force to the vertical plates until the immediate surfaces of the ice blocks are melted and loosened from the freezing pockets. The vertical plates thereon move the ice blocks within the freezing pockets, then are rapidly returned to an initial position which ejects the ice blocks completely from the freezing pockets.
REFERENCES:
patent: 2616271 (1952-11-01), Knowles
patent: 3929256 (1975-12-01), Solomon
patent: 4549408 (1985-10-01), Lee et al.
patent: 4589264 (1986-05-01), Ohashi et al.
patent: 4590774 (1986-05-01), Povajnuk
Lane Robert C.
Lee Joseph M.
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