Patent ID: 7690392
Filing Date: 2010-04-06
Classification: B01F,Y10T

Abstract:
1. A mixing device with a cartridge for mixing concentrate into a main flow, the device comprising: (a) a cartridge containing a concentrate for mixing in water and having a membrane; (b) a mixing body having an inlet for receiving diverted water from a main water flow an inlet passage communicating with the main water flow; (c) a receptacle in the mixing body for slidably receiving and holding a cartridge having concentrate; (d) an inlet valve for receiving the water flow from the inlet passage and for directing the flow into the cartridge through the membrane for mixing with the concentrate; (e) an outlet valve in the mixing body extending through the membrane for receiving water mixed with concentrate from within the cartridge and communicating with an outlet passage; and (f) the outlet passage communicating with the main water flow at an outlet opening for reintroducing the diverted flow containing the concentrate into the main fluid flow, thereby mixing concentrate into the main flow, wherein the inlet and outlet valves each comprise a sharp tip for puncturing the membrane of the cartridge, wherein at the receptacle, the mixing device further comprises means for securing the cartridge, and wherein a portion of the mixing body containing the inlet and the outlet opening is disposed in the main flow to create venturi effect.