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Fluid delivery systems and methods

  • US 9,248,233 B2
  • Filed: 04/08/2013
  • Issued: 02/02/2016
  • Est. Priority Date: 02/09/2006
  • Status: Active Grant
First Claim
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1. A device for dispensing fluid, the device comprising:

  • a housing;

    a pump enclosed in the housing;

    a dispensing assembly downstream of the pump, the dispensing assembly comprising a sensor for quantitatively measuring a parameter related to a volume of a dispensing chamber, wherein the pump ejects fluid in a manner so as to repeatedly deliver fluid from the dispensing chamber through an exit;

    a control loop coupled to the sensor and the pump for controlling actuation of the pump based on the measured parameter; and

    a controller for determining the cumulative volume of fluid delivered through The exit based on the measured parameter.

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