| 摘要 |
<p>A beverage dispenser comprises a cooling device comprising a cooling chamber (6) filled with a cooling liquid, such as water. Located within the chamber (6) is a refrigeration means (8). Extending through the chamber is a conduit (10), by which beverage is fed from a supply towards a dispensing head (30), the conduit including to a heat exchanging coil (12) within the chamber. Located in the chamber at a position so as to be totally immersed by cooling liquid is a pump unit comprising a motor (16a) and an impeller (16b), the motor also driving an agitator (18) to cause liquid within the chamber (6) to be circulated to the refrigeration means (8) and the cooling coils (12).</p> |
