Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04D—NON-POSITIVE-DISPLACEMENT PUMPS
F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
Selbsttaetige Einrichtung zum Wiedereinschalten eines infolge einer Stoerung geoeffneten Schalters mittels eines in der Offenstellung des Schalters erregten Zeitrelais
Einrichtung zum selbsttaetigen Einschalten der Dampfturbine von wechselweise durch Elektromotor und Dampfturbine angetriebenen Pumpen bei Ausfall des Elektromotors