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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP413876ApriorityCriticalpatent/JPS5287708A/en
Publication of JPS5287708ApublicationCriticalpatent/JPS5287708A/en
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04D—NON-POSITIVE-DISPLACEMENT PUMPS
F04D5/00—Pumps with circumferential or transverse flow
Abstract
PURPOSE:To ease the assembling work for the shaft seal and improve the selfsuction performance and, in addition, facilitate checking and replacement for the shaft seal in a Westco pump by dividing the casing into an external outer housing and a pumping-up function section.
PROCESS TO SEAL, IN THE RADIAL DIRECTION, A FLUID VOLUME CONTAINED BETWEEN THE STATOR HOUSING AND THE ROTOR, AND AN ARRANGEMENT FOR THE PERFORMANCE OF THAT PROCESS