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    • 71. 发明申请
    • POT-SHAPED PERMANENT FILTER CARTRIDGE
    • 壶形永久过滤元
    • WO1995023544A1
    • 1995-09-08
    • PCT/EP1995000770
    • 1995-03-02
    • BRAUN AKTIENGESELLSCHAFTMAXS AGSCHAMBERG, StefanMILTENBERGER, ChristofGASSER, RuedySTUMVOLL, Ernst
    • BRAUN AKTIENGESELLSCHAFTMAXS AG
    • A47J31/36
    • A47J31/0663A47J31/4496
    • 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.
    • 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。
    • 80. 发明申请
    • ELECTRONIC SWITCH SUPPLY UNIT
    • 电子开关电源装置
    • WO1991015053A2
    • 1991-10-03
    • PCT/DE1991000135
    • 1991-02-20
    • BRAUN AKTIENGESELLSCHAFTSCHWARZ, Gerhard
    • BRAUN AKTIENGESELLSCHAFT
    • H02M03/335
    • H02M3/33507
    • An electronic switch supply unit contains a blocking oscillator with a transformer (5). The primary coil (51) of the transformer is connected in series with the collector-emitter section of a transistor (1) parallel with the input voltage source (20) and the secondary coil (52) of the transformer is connected in series with a consumer (6) and a diode (7). The emitter of the transistor (1) is connected through a first resistor (8) to earth or reference potential and the base of the transistor (1) is connected to a control circuit (St). A capacitor (16) is connected in parallel with the consumer (6), which may be a direct current motor. The voltage at the connection (B) of the capacitor (16) on the opposite side from the reference potential has the same polarity as the voltage at the junction (A) of the first resistor (9) with the transistor (1). To provide a higher starting current, a second resistor (81) is connected between the junction (A) and the connection (B).
    • 开关电子电源包含由变压器(5)阻断的振荡器变换器,变压器(5)的初级电路绕组(51)与晶体管(1)的“集电极 - 发射极”部分串联连接。 与输入电压源(20)并联,并且次级电路(52)的绕组与消耗器(6)和二极管(7)串联连接。 晶体管(1)的发射极通过第一电阻(8)连接到地或参考电位,并且晶体管(1)的基极连接到控制电路(St)。 电容器(16)与消费者(6)并联连接,消费者可以是例如DC电动机。 电容器(16)的与参考电位相反的连接点(B)处的电压具有与第一电阻器(8)与晶体管(1)的连接点(A)处的电压相同的极性。 为了获得更高的启动电流,第二电阻器(81)连接在连接点(A)和连接(B)之间。