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Mass-Based Powder Dispensing

  • US 20090294469A1
  • Filed: 05/30/2008
  • Published: 12/03/2009
  • Est. Priority Date: 05/30/2008
  • Status: Abandoned Application
First Claim
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1. A system comprising:

  • a dispenser that dispenses a powder product containing an active ingredient from a product container;

    a weigh assembly that continuously determines, as the powder product is dispensed, a current weight of the product container; and

    a controller that determines when a transition criteria has been satisfied based on the current weight and determines when a requested amount of the powder product has been dispensed based on the current weight of the product container,wherein the dispenser dispenses at a first, higher dispense rate until the transition criteria has been satisfied and then dispenses at a second, lower dispense rate until a requested amount of the powder product has been dispensed.

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