Ice making machine for selectively making solid and hollow ice

Details Ice making machine for selectively making solid and hollow ice Ice making machine for selectively making solid and hollow ice

1982-05-19

1984-06-26

Tapolcai, William E.

Refrigeration

Processes

Congealing flowable material, e.g., ice making

62138, 62352, F25C 510

Patent

active

044558430

ABSTRACT:
An ice making machine selectively produces both white and clear ice. Water is frozen in a tube 14 which has disposed thereabout in heat exchange relation a refrigerant evaporator tube 92. During a freezing cycle a reversing valve 84 directs cold refrigerant through the evaporator tube 92 in a first direction FC. During a harvest cycle the reversing valve 84 directs hot refrigerant through the evaporator in a reverse direction HC. After thawing ice is discharged from the tube 14 by pressurized gas.

REFERENCES:
patent: 2133521 (1938-10-01), Wussow et al.
patent: 2821070 (1958-01-01), Watt et al.
patent: 3164968 (1965-01-01), Mullins, Jr.
patent: 3392540 (1968-07-01), Council et al.
patent: 3877242 (1975-04-01), Creager
patent: 3988903 (1976-11-01), Brewer et al.
patent: 4075863 (1978-02-01), Wilson

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