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2. 发明申请

WO1995023544A1 POT-SHAPED PERMANENT FILTER CARTRIDGE 审中-公开
标题翻译：壶形永久过滤元
公开(公告)号：WO1995023544A1
公开(公告)日：1995-09-08
申请号：PCT/EP1995000770
申请日：1995-03-02
申请人： BRAUN AKTIENGESELLSCHAFT , MAXS AG , SCHAMBERG, Stefan , MILTENBERGER, Christof , GASSER, Ruedy , STUMVOLL, Ernst
发明人： BRAUN AKTIENGESELLSCHAFT , MAXS AG
IPC分类号： A47J31/36
CPC分类号： A47J31/0663 , A47J31/4496
摘要： The invention relates to a pot-shaped permanent filter cartridge (25) accommodating ground coffee for espresso in a brewing chamber (28) for a domestic espresso machine. The pot-shaped permanent filter cartridge (25) comprises at its base a sieve-like filter base plate (1) having sieve apertures (4) and can be inserted in a sieve basket carrier (15) from which the espresso drink can flow out through the sieve apertures (4). The pot-shaped permanent filter cartridge (25) comprises a carrier plate (2) which is arranged below the filter base plate (1) in the direction of flow (A) of the espresso drink and which forms a pressurized chamber (8) with the filter base plate (1) to improve foaming. The espresso drink has to flow through the pressurized chamber (8) before it can emerge at the sieve basket carrier (15). The pressure is generated in the pressurized chamber (8) by a device (11) which is mounted at the outlet of said chamber and increases the resistance to flow. The pressurized chamber (8) and the permanent filter cartridge (25) are mechanically and rigidly interconnected. In order to produce pressure, the device (11) consists of one or more apertures whose total cross-section is sufficiently small with respect to the total cross-section of the sieve apertures (4) in the filter base plate (1) of the permanent filter cartridge (25) to attain a sufficient drop in pressure in the aperture or apertures (11) to produce foam. As a result, an integral, easy-to-handle permanent filter cartridge (25) is provided which produces good foaming results.
摘要翻译：本发明涉及一种在冲煮室（28），其容纳用于家用咖啡机的永久过滤元件（25）的杯形，浓咖啡的理由。杯形永久过滤元件（25）具有在其底部具有筛状过滤器基板（1）与屏幕的孔（4），并且是在过滤器篮保持架（15）可用于，从该浓咖啡饮料可以通过屏幕孔流出（4）。杯形永久过滤元件（25）具有一个在蒸馏咖啡饮料的流动方向（A），过滤器底板（1）的承载板的下游（2）形成一压力腔室（8）与所述过滤器底板（1），用于更好的克莉码的生产。蒸馏咖啡饮料必须穿过压力腔室（8）从其中流过，然后才能离开过滤器篮保持架（15），其中连接的由在压力室（8）的压力的产生，在其输出端，流阻增强剂（11）被实现。压力室（8）和所述永久过滤器元件（25）以机械方式牢固地彼此连接。用于从一个或几个孔，其总的横截面产生压力的装置（11）可相对于足够小，以在过滤器基板（1）的永久过滤器的刀片（25）的画面的孔（4）的整个横截面，以（足以在所述一个或多个开口浮沫生成压降的时间达到1100）。这提供了一个单件式的，易于使用的永久过滤器元件（25）被创建，可以与奶油取得的成果。

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