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Application filed by Hitachi Seisakusyo KkfiledCriticalHitachi Seisakusyo Kk
Application grantedgrantedCritical
Publication of TW280853BpublicationCriticalpatent/TW280853B/zh
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
F04D15/0245—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump
F04D15/0254—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump the condition being speed or load