Patent ID: 6161060
Filing Date: 2000-12-12
Classification: B67D,G05D

Abstract:
A dispenser for blending component fluids according to a desired octane for the blended product, said dispenser comprising:a plurality of fluid conduits, each said fluid conduit coupled to one of at least two supplies of component fluid to be dispensed there for;a variable valve means coupled to each said fluid conduit for controlling the flow rate at which each said component fluid flows through said respective fluid conduits;a flow meter means operatively associated with said fluid conduits for measuring the volume of said component fluid flowing through each said fluid conduit and for providing volume signals representative of said volumes;an output means coupled to each said fluid conduit for mixing and dispensing said component fluids;an octane meter means operatively associated with output means for measuring the octane of the mixed component fluids and for providing an octane signal representative of said octane; andcontrol means for controlling the blending and dispensing of said component fluids, said control means coupled to said flow meter, said octane meter and said valve means, said control means including selecting means for selection of said desired octane blend and comparison means for comparing a calculated octane with said desired octane and for determining a corrected blend ratio, said control means further including adjustment means for adjusting said variable valve means in accordance with said corrected blend ration such that the actual octane of dispensed blended fluids is substantially equal to said desired octane.