A method and apparatus for monitoring and controlling the...

B - Operations – Transporting – 67 – D

Patent

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B67D 1/00 (2006.01) B67D 1/04 (2006.01)

Patent

CA 2276189

A method and apparatus are disclosed for improving the consistency and quality of a frozen carbonated beverage product. The invention utilizes a method of monitoring the level of liquid in the mixing chamber of a frozen carbonated beverage machine to accomplish this result. The method involves measuring the pressure spikes that occur in the mixing chamber. The magnitude of a pressure spike is indicative of the amount of liquid in the mixing chamber. If a pressure spike is too high or too low, that is indicative that there is too much or too little liquid in the mixing chamber. By regulating the amount of liquid in the chamber, the consistency and quality of the beverage product can be maintained. The present invention uses a microprocessor to determine when the spikes are outside of an acceptable predetermined range. If the pressure spikes are outside of the acceptable range, the microprocessor readjusts set point pressure values, which are used to determine when to turn on and off the supply of ingredients into the chamber, thereby regulating the gas to liquid ratio, and thus the amount of liquid in the chamber. This in turn allows for accurate control over the consistency and quality of the beverage product.

L'invention porte sur un procédé et un appareil destinés à améliorer la consistance et la qualité d'une boisson gazeuse glacée, ledit procédé consistant à contrôler le liquide présent dans la chambre de mélange d'une machine à boissons gazeuses glacées. Ledit procédé consiste à mesurer les pics de pression se produisant dans la chambre, dont l'amplitude est représentative de la quantité de liquide présente dans la chambre. Un pic trop haut, ou trop bas, indique un excès, ou un manque, de liquide dans la chambre. On peut en régulant la quantité de liquide présente dans la chambre maintenir la consistance et la qualité de la boisson. L'invention recourt à un microprocesseur pour déterminer si les pics sont hors d'une plage acceptable; si c'est le cas, le microprocesseur réajuste les valeurs de consigne de la pression qui servent à préciser quand on doit ouvrir ou fermer l'alimentation de la chambre en ingrédients, afin de réguler le rapport gaz/liquide et par là la quantité de liquide présente dans la chambre, ce qui assure un contrôle précis de la consistance et de la qualité de la boisson.

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