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F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
F04B11/0091—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using a special shape of fluid pass, e.g. throttles, ducts
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FR491456D1917-09-131917-09-13Régulateur automatique de pression empechant la production de coups de bélier dans les conduites d'eau
ExpiredFR491456A
(fr)