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    • 6. 发明授权
    • Coffee brewing apparatus
    • 咖啡酿造设备
    • US5865096A
    • 1999-02-02
    • US122430
    • 1998-07-24
    • Akio Kawabata
    • Akio Kawabata
    • A47J31/36A47J31/40A47J31/34
    • A47J31/36A47J31/3652
    • A coffee brewing apparatus has a first cylinder for containing hot water having a top opening, a vertically extending shaft fixedly connected to the first cylinder, the shaft having a hot water release channel vertically therethrough and a pressure-operated hot water release valve disposed in the channel, a vertically movable piston, a vertically movable second cylinder for holding ground coffee therein having top and bottom openings and disposed below the first cylinder coaxially therewith, and a vertically movable plunger sealingly and slidingly connected with the shaft. The plunger has an internal cylindrical chamber and a shallow hot water spreading chamber in a bottom section thereof. When the plunger is lowered, the bottom section thereof enters the second cylinder and compacts the ground coffee therein. As the piston enters the first cylinder through the top opening thereof and further descends, the hot water in the first cylinder is pressurized so that the hot water release valve opens and pressurized hot water in the first cylinder is released through the hot water release channel in the shaft, the cylindrical chamber and the hot water spreading chamber of the plunger to be poured onto the ground coffee in the second cylinder.
    • 一种咖啡冲泡装置具有第一气缸,用于容纳具有顶部开口的热水,与第一气缸固定连接的垂直延伸轴,该轴具有垂直通过的热水释放通道,以及设置在该第一气缸中的压力操作的热水释放阀 通道,可垂直移动的活塞,用于将研磨咖啡保持在其中的可垂直移动的第二气缸,具有顶部和底部开口并且与其同轴地设置在第一圆柱体下方,以及可垂直移动的柱塞,其与轴密封地滑动连接。 柱塞在其底部具有内圆柱形室和浅热水分散室。 当柱塞下降时,其底部进入第二圆筒并压碎其中的研磨咖啡。 当活塞通过其顶部开口进入第一气缸并进一步下降时,第一气缸中的热水被加压,使得热水释放阀打开,第一气缸中的加压热水通过热水释放通道释放, 轴,圆柱形腔和柱塞的热水扩散室被倒入第二气缸中的研磨咖啡上。