FREEZING APPARATUS

Organization Name

panasonic intellectual property management co., ltd.

Inventor(s)

FREEZING APPARATUS

This abstract first appeared for US patent application 20250102204 titled 'FREEZING APPARATUS

Original Abstract Submitted

a freezing apparatus according to the present disclosure operates while switching the gas cooler used, the freezing apparatus comprising: a refrigerant circuit which is composed of a low-stage compression mechanism, a water-cooled intercooler that cools a refrigerant discharged from the low-stage compression mechanism, a high-stage compression mechanism that suctions and compresses the refrigerant that has passed through the water-cooled intercooler, a water-cooled gas cooler and an air-cooled gas cooler that cool the refrigerant discharged from the high-stage compression mechanism, an expansion mechanism, and an evaporator; and an injection circuit which connects a refrigerant pipe on the upstream side of the expansion mechanism and a suction refrigerant pipe of the high-stage compression mechanism via an injection expansion mechanism.