Capsula para uso en una maquina de preparación de bebidas, comprende una cámara cerrada que posee una pared de separación que separa de una manera a prueba de fugas en un compartimiento que contiene los ingredientes y un compartimiento de inyección de fluido, y donde la pared de separación posee una válvula de una sola vía.

摘要

Capsule (9) for use in a beverage preparation machine (1), said capsule comprising side (10), bottom (12) and top (11) walls defining a closed chamber, said chamber containing an ingredient to be dissolved and/or extracted by a fluid injected under pressure within said capsule, said fluid being provided through an injection element (20) of the machine that is able to pierce an injection wall of the chamber, said capsule further comprising a beverage dispensing wall able to open for releasing a beverage prepared from said ingredient and said fluid, characterized in that said capsule comprises a separating wall (14) within the chamber that separates, in a leak-tight manner:
- an ingredient-containing compartment (15), and
- a fluid injection compartment (16),
said separating wall (14) comprising a one-way valve (17) able to let fluid under pressure flow only from the injection compartment (16) towards the ingredient-containing compartment (15).