Liquid pump dispensing system for liquids having wide ranges of viscosities with no waste

摘要

A liquid pump dispensing system for dispensing liquids having a wide range of viscosities is described as incorporating a unified approach to determining the dimensions of selected elements of a collection area as a function of the viscosity range of the liquid being dispensed. Four illustrative liquid viscosity ranges are described leading to defining specific values for the physical dimensions of several key elements of the dispensing technique. The dispensing rate is thereby optimized for the full range of viscosities contemplated. An additional complementary feature of slope ranges formed into a bottom shelf feeding into the collection area further optimizes the flow rate and assures a virtually waste free liquid dispensing regimen.