A - Human Necessities – 47 – J
Patent
A - Human Necessities
47
J
A47J 31/30 (2006.01)
Patent
CA 2640773
An apparatus (1) for preparing a coffee beverage comprises containing means (2) for heating an extracting fluid, transferring means (5, 7) for causing said fluid to pass through a dose of coffee (W) , and is characterised in that it comprises inhibiting means (17; 117) arranged for inhibiting said passing through when said fluid contains a substantial steam phase, said inhibiting means comprising pressure -adjust ing means (4; 4') arranged for adjusting a pressure of said fluid inside said containing means (2) and distinct from overpressure adjusting means comprised in said apparatus (1) ; a method for obtaining a coffee beverage comprises heating an extracting fluid of said beverage to induce said fluid to pass through a dose of coffee (W) , and is characterised in that inhibiting said passing through is provided when said fluid contains a substantial steam phase and suitably adjusting a pressure of said extracting fluid before said passing through is provided for, said adjusting being obtained through pressure -adjust ing means distinct from overpressure adjusting means.
La présente invention concerne un appareil (1) destiné à la préparation d~une boisson à base de café qui comprend un dispositif de type récipient (2) destiné à chauffer un fluide d~extraction et des moyens de transfert (5, 7) permettant audit fluide de traverser une dose de café (W). Ledit appareil se caractérise en ce qu~il comprend des moyens d~inhibition (17, 117) disposés en vue d~inhiber ledit passage lorsque ledit fluide contient une phase essentiellement vapeur, lesdits moyens d~inhibition contenant des moyens de réglage de la pression (4, 4') disposés en vue de régler la pression dudit fluide dans ledit dispositif de type récipient (2) et qui sont distincts des moyens de réglage de la surpression contenus dans ledit appareil (1). L~invention porte aussi sur un procédé permettant d~obtenir une boisson à base de café qui consiste à chauffer un fluide d~extraction de ladite boisson pour permettre audit fluide de traverser une dose de café (W), et qui se caractérise en ce que l~inhibition dudit passage est obtenue lorsque ledit fluide contient une phase essentiellement vapeur et en ce que le réglage approprié de la pression dudit fluide d~extraction est obtenu avant ledit passage, ledit réglage étant effectué à l~aide de moyens de réglage de la pression qui sont distincts des moyens de réglage de la surpression.
Barnaba Massimo
Bolzicco Claudio
de Luca Riccardo
Liverani Furio Suggi
Mastropasqua Luca
Illycaffe S.p.a.
Ridout & Maybee Llp
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