LU49564A1LU49564ALU49564ALU49564A1LU 49564 A1LU49564 A1LU 49564A1LU 49564 ALU49564 ALU 49564ALU 49564 ALU49564 ALU 49564ALU 49564 A1LU49564 A1LU 49564A1
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LU
Luxembourg
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LU49564A
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Priority to LU49564ApriorityCriticalpatent/LU49564A1/xx
Publication of LU49564A1publicationCriticalpatent/LU49564A1/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