Patent ID: 6971245

Claim:
An auger type ice making machine in which ice formed by freezing on an inner peripheral surface of a cylinder of an ice making mechanism portion is scraped off by an auger and is discharged after being suitably compressed in an ice compression passage, the auger type ice making machine comprising: a refrigeration circuit including a compressor, a condenser, an expansion valve, and an evaporator; bypass means for supplying a refrigerant on a high pressure side of the refrigeration circuit to a low pressure side; heating means for heating a vicinity of the ice compression passage; overcooling detecting means for detecting overcooling in the ice making mechanism portion; and control means for causing the bypass means open in accordance with a detection result from the overcooling detecting means and initiating heating with the heating means at the same time or after the bypass means is opened, and then, ending heating with the heating means after closing the opened bypass means to.