Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
F04B53/10—Valves; Arrangement of valves
F04B53/12—Valves; Arrangement of valves arranged in or on pistons
F04B53/122—Valves; Arrangement of valves arranged in or on pistons the piston being free-floating, e.g. the valve being formed between the actuating rod and the piston
Verfahren zur Förderung von Flüssigkeiten mit Hilfe einer aus zwei einzelnen oszillierenden Verdrängerpumpen bestehenden Pumpenkombination und Vorrichtung zur Durchführung des Verfahrens