| 摘要 |
<p>Household coffee machine comprising, in a housing (2), a cold water reservoir (4), a water-heater (6) which is supplied by said reservoir and which supplies, through a hot water tube (8), a watering spout (10) having a cover (11), a base (12) having a central hole (14) and a series of peripheral holes (16) intended to the watering according to two modes of watering the coffee powder (18) contained in a filter (20) placed in an operation position, said spout (10) also comprising a bearing (22) wherein is vertically mounted a movable obturation means (24) whose displacement is controlled by a bimetallic strip (26). According to the invention, the watering spout (10) has on its base (12) at least one intermediary zone (28) which is arranged between the central hole (14) and the series of peripheral holes (16) and wherein is arranged a series of intermediary holes (30) which are also intended to water the coffee powder (18) and which are susceptible of being closed during the obturation period by a closure means (32) integral with the obturation means (24), the latter being associated with a movable stop means (34) intended to control the stroke of said obturation means (24) in the bearing (22) so that the closure means (32) occupies at least one intermediary position between the obturation position and the opening position, and wherein the hot water flows through the series of intermediary holes (30) while the central hole (14) is kept closed.</p> |
