Boiler for a machine for preparing beverages

A - Human Necessities – 47 – J

Patent

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Details

A47J 31/54 (2006.01)

Patent

CA 2759650

The invention relates to a boiler for a machine for preparing beverages, wherein a fluid is brought to a pressure of at least 8 bars, including at least one diffuser (1) having a first wall (2) to be placed in contact with the fluid to be heated, a second wall (3) opposite the first wall (2) and provided with at least one heating element, at least one body (5) defining, together with the first wall (2) of the diffuser (1), at least one heating chamber, wherein the heating element is a screen-printed or photoengraved resistor. Said boiler has a deformation chamber (7). The chamber is arranged such that, when subjected to the pressure in the heating chamber, the diffuser (1) elastically deforms in the deformation chamber (7) so as at least partially to absorb the pressure force.

une chaudière pour machine de préparation de boissons, dans laquelle un fluide est porté sous une pression d'au moins 8 bars, comprenant au moins un diffuseur (1) présentant une première paroi (2) destinée à être disposée au contact du fluide à chauffer, une deuxième paroi (3) opposée à la première paroi (2) et munie d'au moins un élément chauffant, au moins un corps (5) définissant avec la première paroi (2) du diffuseur (1) au moins une chambre de chauffage, dans laquelle l'élément chauffant est une résistance sérigraphiée ou photogravée. Elle présente une chambre de déformation (7). Elle est agencée de sorte que sous l'effet de la pression régnant dans la chambre de chauffage le diffuseur (1 ) se déforme élastiquement dans la chambre de déformation (7) pour absorber en partie au moins l'effort de pression.

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