Espresso coffee machine with preinfusion device

A - Human Necessities – 47 – J

Patent

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A47J 31/00 (2006.01) A47J 31/36 (2006.01) A47J 31/46 (2006.01)

Patent

CA 2723246

An espresso coffee machine comprises a boiler and a pump for feeding hot water under pressure to one or more brew groups (1), each of which comprises a receptacle (24) for infusing a predetermined dose of ground coffee, a hot water feed pipe (38) and an outlet pipe (40). Manual operating means (30, 50) are provided at the inlet of each brew group for selectively putting the coffee powder receptacle (24) in communication with the water feed pipe (38), with the outlet pipe 40 or with both the pipes in order to preinfuse the coffee powder.

Linvention concerne une machine à café espresso comportant une chaudière ainsi quune pompe permettant dalimenter en eau chaude sous pression un ou plusieurs groupes de distribution (1), chacun desdits groupes comportant un réceptacle (24) permettant de faire infuser une dose prédéterminée de café moulu, et comportant également un tuyau dalimentation en eau chaude (38) et un tuyau de sortie (40). Des moyens d'actionnement manuels (30, 50) sont présents au niveau de ladmission de chaque groupe de distribution et permettent de mettre sélectivement le réceptacle de poudre de café (24) en communication avec le tuyau dalimentation en eau chaude (38), avec le tuyau de sortie (40) ou avec les deux tuyaux, pour faire pré-infuser la poudre de café.

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