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    Coffee percolator for selectively making normal coffee or espresso
    1.
    发明授权
    Coffee percolator for selectively making normal coffee or espresso 失效
    咖啡渗滤器可选择制作普通咖啡或浓缩咖啡

    公开(公告)号：US4583449A

    公开(公告)日：1986-04-22

    申请号：US605111

    申请日：1984-04-30

    申请人： Artur Dangel ,  Josef Frech ,  Willi Niess ,  Rolf Prillipp, deceased ,  Hermann Riegert ,  Gerhard Wittlinger ,  Siegfried Anderl

    发明人： Artur Dangel ,  Josef Frech ,  Willi Niess ,  Rolf Prillipp, deceased ,  Hermann Riegert ,  Gerhard Wittlinger ,  Siegfried Anderl

    IPC分类号： A47J31/30 ,  A47J31/00 ,  A47J31/36 ,  A47J31/34

    CPC分类号： A47J31/52 ,  A47J31/002 ,  A47J31/36 ,  A47J31/4496

    摘要： The invention relates to a coffee percolator for selectively making normal coffee or espresso, comprising a water flow path extending between a cold water supply inlet and a brewing unit, said flow path being divided into a first branch including a pressure pump, and a second branch including a valve adapted to close or be closed in the espresso making mode, and further comprising control means for activating said valve(s) and/or said pump in response to the selection of the type of coffee to be made. The invention is directed towards the provision of a coffee percolator of this type, which is of simplyfied and economic construction and substantially failure-proof. This is achieved by providing that the flow path is employed in common for the water used for making espresso and normal coffee, and is only divided adjacent the pump into the first flow path branch including the pump and the second flow path branch forming a bypass across the pump. This construction eliminates a considerable number of connection and sealing points along the flow path and at the metering and heating devices, resulting in the elimination of potential failure at these locations.

    摘要翻译： 本发明涉及一种用于选择性地制造普通咖啡或浓咖啡的咖啡渗滤器，包括在冷水供应入口和冲泡单元之间延伸的水流通道，所述流动路径被分成包括压力泵的第一分支和第二分支 包括适于在浓缩咖啡模式中关闭或闭合的阀，还包括用于响应于所要进行的咖啡类型的选择来启动所述阀和/或所述泵的控制装置。 本发明旨在提供这种类型的咖啡渗滤器，其具有简单和经济的结构，并且基本上是防失真的。 这是通过提供用于制造浓缩咖啡和普通咖啡的水共同使用流动路径而实现的，并且仅在泵旁边被划分成包括泵的第一流路分支和形成旁路的第二流路分支 泵。 这种结构消除了沿流动路径和计量加热装置的相当数量的连接和密封点，从而消除了在这些位置处潜在的故障。

    Coffee percolator
    2.
    发明授权
    Coffee percolator 失效
    咖啡渗滤器

    公开(公告)号：US4694737A

    公开(公告)日：1987-09-22

    申请号：US808832

    申请日：1985-12-13

    申请人： Gerhard Wittlinger

    发明人： Gerhard Wittlinger

    IPC分类号： A47J31/40 ,  A47J31/44 ,  A47J31/06

    CPC分类号： A47J31/40 ,  A47J31/446

    摘要： Described is a coffee percolator of the type having a scalding chamber and a coffee filter, a wall of said coffee filter substantially closing said scalding chamber at its lower portion. The wall extends from an upper peripheral rim in a conical configuration with an angle of about 8.degree. to 35.degree. to the horizontal towards a substantially centrally located outlet and comprises a support sieve and a sheet of stainless steel disposed on the upper side of the support sieve facing towards the scalding chamber. The sheet has a thickness of about 20 to 80 .mu.m and is provided with a pattern of etched micro-perforations having a diameter of about 30 to 100 .mu.m at the surface facing towards the scalding chamber. The support sieve has a thickness of about 0.5 to 3 mm and is formed with a pattern of holes having a diameter of about 1 to 5 mm.

    摘要翻译： 描述了具有烫伤室和咖啡过滤器的类型的咖啡渗滤器，所述咖啡过滤器的壁在其下部基本上封闭所述烫伤室。 该壁从上周边缘以锥形构造向水平方向朝着基本上位于中心的出口处以约8°至35°的角度延伸，并且包括支撑筛和布置在支撑件的上侧上的不锈钢片 筛面向烫伤室。 片材具有约20至80μm的厚度，并且在面向烫伤室的表面处设置有具有约30至100μm直径的蚀刻微穿孔图案。 支撑筛具有约0.5至3mm的厚度，并且形成有直径为约1至5mm的孔的图案。