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Priority to NL6504604ApriorityCriticalpatent/NL6504604A/xx
Publication of NL6504604ApublicationCriticalpatent/NL6504604A/xx
F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
B—PERFORMING OPERATIONS; TRANSPORTING
B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
B04C5/00—Apparatus in which the axial direction of the vortex is reversed
B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations