| 摘要 |
<p>PURPOSE: A low-cost and high-efficient ice-making machine is provided to maintain high efficiency and a high output of ice. CONSTITUTION: An ice-making machine includes a coolant and a refrigerant system. The coolant and refrigerant system (10) includes coolant, refrigerant, a compressor, a condenser (20), an evaporator (50), an expansion device, a suction-liquid heat exchanger, a hot gas valve directing hot gas towards the evaporator from the compressor, and an interconnecting line thereof. The compressor is a rolling piston type device. [Reference numerals] (AA) Heat exchanger; (BB) Dryer</p> |
