F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
F04B45/02—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows
F04B45/033—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows having fluid drive
F04B45/0336—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows having fluid drive the actuating fluid being controlled by one or more valves
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
Compressors, Vaccum Pumps And Other Relevant Systems
(AREA)