| 摘要 |
PURPOSE: A cooling device for a cool/hot vending machine is provided to show a maximum of cooling ability while using one of the two evaporators for maximizing an efficiency. CONSTITUTION: A cooling device comprises: a capillary(c) of a small pressure reducing rate installed between a condenser(42) and a first evaporator(45); and a third expanding valve(47) installed in a certain location of the capillary to be switched over for being opened while a controlling unit blocks a coolant from circulating in a first and a second expanding valves(43, 44). |
