COFFEE EXTRACTION UNIT, PARTICULARLY FOR AN ESPRESSO COFFEE MAKING MACHINE

    公开(公告)号:EP4420572A1

    公开(公告)日:2024-08-28

    申请号:EP24157459.9

    申请日:2024-02-13

    申请人: La Piccola S.r.l.

    IPC分类号: A47J31/54 A47J31/36

    CPC分类号: A47J31/542 A47J31/36

    摘要: A coffee extraction unit (1), particularly for an espresso coffee making machine, comprising a main body (2) shaped for the engagement thereof with a coffee filter holder (3) and defining within it a three-way valve (4) located between: a heated water delivery chamber (5), hydraulically connected to a system for delivering water for coffee preparation, a supply conduit (6) of the coffee filter holder (3), and a residual water discharge chamber (7) which is hydraulically connected to a system for discharging the residual water from the preparation of coffee, and further comprising an electrical heat exchanger (13) installed directly on the main body (2) between the delivery system and the delivery chamber (5), with the heat exchanger (13) being passed through by the water for coffee preparation.