作者: Bryan M. Peckjian
DOI:
关键词: Waste management 、 Water source 、 Environmental science 、 Vacuum switch
摘要: An apparatus for providing water and syrup in a predetermined ratio to beverage dispenser comprises housing, source of flexible container under pressure. A proportioning pump fluid communication with the is provided receiving discharging ratio. valve, movable between an open closed condition, connected controlling flow pump. The valve normally closed, but opened upon activation dispenser, permitting from Upon water, draws discharges dispenser. vacuum switch, including sensor, proportoning sensor senses presence container, indicating that has been depleted below limit. When sensed exceeds limit, disabled prevent flowing