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    • 8. 发明公开
    • AKTIVE UND PASSIVE SELBSTENTLEERUNG EINER SELBSTANSAUGENDEN WASSERPUMPE
    • AKTIVE UND被动SELBSTENTLEERUNG EINER SELBSTANSAUGENDEN WASSERPUMPE
    • EP3207257A1
    • 2017-08-23
    • EP15781083.9
    • 2015-10-15
    • Hilti Aktiengesellschaft
    • SPECHT, Helmut
    • F04D15/00B28D7/02B23Q11/10
    • The invention relates to a water supply apparatus for the supply of water to a machine tool, comprising a water pump, a water accumulator device, a suction line, a supply line and a valve device which can be reversibly adjusted at least into a first and a second position. The water pump is positioned in a direction downstream of the valve device. A first connecting line, a second connecting line and a return line are provided. Here, in the first position, the first connecting line, the second connecting line and the return line are connected to one another such that water can be conveyed from the water pump, from the first connecting line, from the second connecting line, from at least a part of the suction line and from at least a part of the supply line into the return line, and, in the second position, the first connecting line, the second connecting line and the return line are not connected to one another. The invention also relates to the use of a valve device in a water supply apparatus. The invention also relates to a method for controlling a water supply apparatus.
    • 一种用于向机床供水的供水装置,包括可逆地调节到第一和第二位置的水泵,蓄水装置,吸入管线,供应管线和阀装置。 水泵位于阀装置的下游。 提供第一连接线,第二连接线和返回线。 在此,在第一位置中,第一连接管路,第二连接管路和返回管路彼此连接,使得水可以从水泵从第一连接管路,从第二连接管路, 至少吸入管线的一部分和从供应管线的至少一部分流入返回管线,并且在第二位置中,第一连接管线,第二连接管线和返回管线不彼此连接。
    • 9. 发明公开
    • AUTOMATISCHE REGELUNG VON AGGREGATEN EINER WASSERVERSORGUNGSANLAGE
    • 自动化机械维修集团
    • EP3160684A1
    • 2017-05-03
    • EP15731330.5
    • 2015-06-24
    • Hilti Aktiengesellschaft
    • RUPPRECHT, HansSPECHT, HelmutSEVER, Eduard
    • B23Q11/10B28D7/02
    • B28D7/02B28D1/041B28D7/005G05B19/406G05B2219/24015G05B2219/49043G05B2219/49052G05D7/0676
    • A method for controlling a water supply system (1) for use with a machine tool (2) containing a housing (3) with at least one interface (13) for supplying electrical energy; a water tank (4); a line (7); a pump device (9); a current-measuring device (10); a water-pressure-measuring device (11) and a control device (12). The method contains the steps: • -activation of the pump device if the machine tool is connected to the interface and the motor current of the machine tool exceeds a predetermined threshold value; • - deactivation of the pump device if the machine tool is connected to the interface and the motor current of the machine tool undershoots a predetermined threshold value; or • - activation of the pump device if the machine tool is not connected to the interface and a water pressure in the line undershoots a predetermined threshold value; • - deactivation of the pump device if the machine tool is not connected to the interface and a water pressure in the line exceeds a predetermined threshold value.
    • 公开了一种用于控制与机床一起使用的供水系统的方法。 供水系统包括具有用于供应电能的接口的壳体,水箱,管线,泵装置,电流测量装置,水压测量装置和控制装置。 该方法包括:如果机床连接到接口并且机床的电动机电流超过预定阈值,则激活泵装置,如果连接机床并且电动机电流下冲预定阈值,则停用泵装置 ; 或者如果机床未连接并且线路中的水压下冲预定阈值并且如果机床未连接并且水压超过预定阈值则停用泵装置,则激活泵装置。