Title:
VERTICAL SHAFT PUMP
Document Type and Number:
Japanese Patent JP2023131505
Kind Code:
A
Abstract:
To provide a vertical shaft pump capable of inhibiting occurrence of air suction vortexes.SOLUTION: A vertical shaft pump includes vortex breakers 20 which are respectively disposed facing a suction casing 4 on left and right sides at the downstream side of the suction casing 4 which houses an impeller. The vortex breaker 20 has: a first vortex suppression plate 21; and a second vortex suppression plate 22 disposed at the downstream side of the first vortex suppression plate 21 in a main stream direction 17. The second vortex suppression plate 22 has a through hole 25 serving as a through part at a lower part.SELECTED DRAWING: Figure 4
Inventors:
OKIHARA TAKASHI
Application Number:
JP2022036312A
Publication Date:
September 22, 2023
Filing Date:
March 09, 2022
Export Citation:
Assignee:
HITACHI INDUSTRIAL PRODUCTS LTD
International Classes:
F04D29/66; F04D13/00; F04D29/60
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office
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