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Application filedfiledCritical
Priority to NL6503465ApriorityCriticalpatent/NL6503465A/xx
Publication of NL6503465ApublicationCriticalpatent/NL6503465A/xx
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
F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening