Patent ID: 8066941

Claim:
A pressurized water tank having a lower water section, an upper air section serving as a head space, and terminated by a top, an inlet conduit for conveying water under pressure into the lower water section, an outlet conduit for discharging water from the lower water section and a vent extending from a location exterior of said tank into said tank, the improvement comprising in combination: a) a pump; b) a first conduit extending from the lower water section to said pump for conveying water; c) a second conduit extending from said pump into the head space; d) a nozzle for terminating said second conduit and discharging a stream of water into the head space; and e) a tube partially surrounding the second conduit and nozzle and extending from an inlet in the head space to an outlet in the lower water section for receiving the stream of water from said nozzle and to augment entrainment of air from the head space into the stream of water and further for conveying the air entrained water into the lower water section.