Ice making machine with freeze and harvest control

Details Ice making machine with freeze and harvest control Ice making machine with freeze and harvest control

1991-08-26

1992-07-14

Tapolcai, William E.

Refrigeration

Processes

Congealing flowable material, e.g., ice making

62138, F25C 112

Patent

active

051292378

ABSTRACT:
An ice maker including freeze and harvest controls is disclosed. The evaporator includes a unitary evaporator and ice mold. A compressor and condenser cool the evaporator to freeze ice on the mold in a normal refrigeration cycle and the mold is defrosted by hot gas to harvest ice from the ice mold. The temperature of the ice mold and the liquid line temperature of the condenser are sensed to control the length of time of the ice forming cycle.

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patent: 4601176 (1986-07-01), Suyama
patent: 4727729 (1988-03-01), Toya
patent: 4733539 (1988-03-01), Josten et al.
patent: 4774814 (1988-10-01), Yingst et al.

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