Patent ID: 6328071
Filing Date: 2001-12-11
Classification: E03B,F04D,F16L,Y02A

Abstract:
A bladder pressure tank, including:a) a housing having a liquid inlet and outlet,b) the housing having an air chamber and liquid chamber separated by a flexible membrane,c) the air chamber is filled with compressed air and is pneumatically sealed to retain air within the chamber,d) said air chamber connected to a one way air fill valve outside the housing,e) the liquid chamber is filled with liquid,wherein the improvement comprises:f) a tube having an axis extending through the liquid chamber,g) the tube connected to the liquid inlet outside the housing and the liquid outlet outside the housing,h) the tube inlet connected to a co-axial supply pipe carrying pressurized liquid from a pump and the tube outlet connected to a distribution pipe carrying liquid to a distribution area,i) the tube having a plurality of holes within the liquid chamber,j) the tube sealed to the housing between the inlet and holes,k) the tube sealed to the housing between the outlet and holes,l) a flow reducing valve connected to said liquid inlet,m) the flow reducing valve having a cylindrical outlet and an cylindrical inlet, andn) the valve inlet and the valve outlet co-axial with the tube.