Patent ID: 8286831
Filing Date: 2012-10-16
Classification: B01F,B05B,F04B

Abstract:
1. A dispenser for dispensing a use solution, the dispenser comprising: (a) a diluent inlet for receiving a source of diluent; (b) an aspirator in fluid communication with the diluent inlet; (c) an operator valve, for control of the diluent's flow, moveable between an off position and an on position; (d) the aspirator having a diluent inlet, a diluent outlet and a venturi port; (e) a vacuum switch operatively connected to the venturi port, wherein flow of diluent through the aspirator creates a vacuum and activates the vacuum switch; (f) a control device activated by the vacuum switch; (g) a manifold block having a first manifold inlet operatively connected to the venturi port and a manifold outlet operatively connected to the vacuum switch; (h) a second manifold inlet operatively connected to the manifold outlet; (i) a vacuum bleed device positioned in the second manifold inlet; (j) the second manifold inlet is open to atmosphere; (k) a dosing pump having an inlet for receiving a source of liquid product and an outlet in fluid communication with the diluent, wherein a use solution is made; and (l) the dosing pump activated by the control device.