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METHOD FOR MEASURING THE QUANTITY OF COFFEE DISPENSED BY A COFFEE MILL AND APPLIANCE COMPRISING SUCH A MILL

  • US 20090056555A1
  • Filed: 08/29/2008
  • Published: 03/05/2009
  • Est. Priority Date: 08/29/2007
  • Status: Active Grant
First Claim
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1. A method for measuring a quantity of coffee MNi or MTi that a grinding burr of a coffee mill driven in rotation by a motor dispenses in a predetermined number of revolutions Ni of the grinding burr or in a predetermined time interval Ti, said method comprising:

  • applying a supply voltage to the motor in order to drive the motor and the burr in rotation;

    measuring the average speed Vi of the grinding burr over a number of revolutions Ni or respectively over the time interval Ti; and

    determining the quantity or mass MNi of coffee dispensed during the number of revolutions Ni or respectively the mass MTi of coffee dispensed during the time interval Ti as a function of the speed Vi from an experimentally obtained stored correspondence table (Vi, MNi) or (Vi, MTi).

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