| 摘要 |
<p>Apparatus for mixing and dispensing a beverage has a mixing head, a water line having a partially restricted outlet for backing up water pressure, a concentrate chamber having a diaphragm, a bypass line from the water line to the chamber for bypassing water from the water line against the diaphragm and forcing concentrate to the mixing head, and an open drain in the bypass line for exhausting water from the concentrate chamber; also disclosed is a method of mixing and dispensing a beverage in which pressurized water is first used to propel concentrate and then exhausted out a drain.</p> |
