| 摘要 |
The invention provides refrigerating apparatus (10;100) for chilling an obje ct (26), the refrigerating apparatus (10;100) comprising a chamber (12;112) having a longitudinal axis (18;118), an inlet (22;122) and an outlet (24;124 ) spaced along the longitudinal axis (18;118), the refrigerating apparatus (10;100) further comprising means for generating a fluid flow, characterised in that rotation means (128) are provided for causing the fluid flow to foll ow a helical path about the longitudinal axis (18;118) within the chamber (12;112) between the inlet (22;122) and the outlet (24;124).
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