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Publication of FR669648ApublicationCriticalpatent/FR669648A/fr
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
F04B49/24—Bypassing
F04B49/243—Bypassing by keeping open the inlet valve
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FR669648D1929-02-151929-02-15Dispositif de régulation de pression pour machines à pomper ou cpmprimer les fluides liquides ou gazeux
ExpiredFR669648A
(fr)