| 摘要 |
<p>A beverage dispenser to provide a plurality of different flavours with accurate mixing control comprises a housing ( 40, 42, 44 ) containing a diluent valve ( 46 A, 46 B) and at least two concentrate valves ( 48 A, B, C, D), each valve having its own inlet ( 12 ) and outlet ( 14 ), characterised in that all the outlets ( 14 ) lead to a single dispense nozzle ( 50 A, B, C), a flow rate sensor ( 16 ) is provided for each valve, the flow rate sensors ( 16 ) being connected to a controller ( 54 ), and a setting mechanism ( 52 A, B, C, D, E, F) is provided to open and close each valve, the controller ( 54 ) operating the setting mechanisms whereby one concentrate valve and the diluent valve may be opened to dispense a particular beverage and, in response to the sensed flow rates through those opened valves, controlling the degree of opening of those valves to achieve a predetermined diluent to concentrate ratio for the beverage mixture in the dispense nozzle ( 50 A, B, C).</p> |
