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Priority to JP1990074187UpriorityCriticalpatent/JPH0432300U/ja
Publication of JPH0432300UpublicationCriticalpatent/JPH0432300U/ja
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04D—NON-POSITIVE-DISPLACEMENT PUMPS
F04D29/00—Details, component parts, or accessories
F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
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Engineering & Computer Science
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Mechanical Engineering
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General Engineering & Computer Science
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Structures Of Non-Positive Displacement Pumps
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