Patent ID: 7789111
Filing Date: 2010-09-07
Classification: B01F

Abstract:
1. A material dispenser comprising: at least one material container containing material, the container including a dispense valve for permitting the discharge of material from the container; means for exerting pressure on the material; a sensor positioned external to the container and external to the discharged material for detecting the material exiting the dispense valve of the container, the sensor providing feedback regarding the presence of the discharged material to a computer which controls the amount of time and pressure the pressure exerting means exerts on the material, and a scale for detecting the amount of material discharged from the container, the scale providing feedback regarding the amount of material discharged to the computer, wherein the computer controls the pulsing of additional material based on the feedback from both the sensor and the scale and until a targeted amount of material has been discharged from the container to improve dispensing accuracy.