Conductance based control system

Details Conductance based control system Conductance based control system

A - Human Necessities

47

J

A47J 31/00 (2006.01) A23L 2/00 (2006.01) A47J 31/40 (2006.01) B67D 1/00 (2006.01)

Patent

CA 2432679

The present invention relates to the system (20), apparatus, and method for controllably mixing a concentrate with a dilution substance using closed-loop feedback in order to improve the resultant substance. The conductivity of a diluted substance is sensed in order to provide feedback information for adjusting dispensing of a concentrate used to produce the resultant or diluted substance. The system includes a conductivity sensor (30), a controller (38) and a conductivity sensing circuit (48) such that the dispensing of the concentrate is controllably adjusted to maintain the resultant beverage within a desired concentration range based on conductivity sensing. The present invention also includes a method for sensing the conductivity of the resultant beverage and adjusting the dispensing of concentrate in response to the conductivity of the resultant beverage.

L'invention concerne un système (20), un appareil et un procédé pour mélanger de manière contrôlée un concentré dans une substance de dilution en appliquant la rétroaction en circuit fermé, afin d'améliorer la substance obtenue. La conductivité de la substance diluée est sondée pour obtenir une information en retour, en vue d'adapter la distribution du concentré utilisé pour la substance diluée. Le système comprend un capteur de conductivité (30), une commande (38) et un circuit de détection de conductivité (48), de sorte que la distribution du concentré est réglée de manière contrôlée, afin de maintenir la boisson obtenue dans une fourchette de concentration déterminée, basée sur la détection de conductivité. La présente invention porte également sur un procédé pour sonder la conductivité de la boisson obtenue et pour adapter la distribution du concentré en fonction de la conductivité de la boisson obtenue.

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