Title:
MULTISTAGE CENTRIFUGAL PUMP AND METHOD FOR MANUFACTURING THE MULTISTAGE CENTRIFUGAL PUMP
Document Type and Number:
Japanese Patent JP2018173043
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To accurately machine a flow passage from both directions on an upstream side and a downstream side.SOLUTION: A casing for storing a plurality of impellers (5) is constituted of a first casing (11) and a second casing (12). A plurality of partition members constituted of an upper half-part partition plate (21) and a lower half-part partition plate (22) is provided at an inner surface of the casing. A fluid guide member constituted of an upper half-part fluid guide member (31) and a lower half-part fluid guide member (32) is provided between the partition members adjacent to each other at the inner surface of the casing.SELECTED DRAWING: Figure 1
Inventors:
HASHI RYUJI
Application Number:
JP2017072357A
Publication Date:
November 08, 2018
Filing Date:
March 31, 2017
Export Citation:
Assignee:
SHIN NIPPON MACHINERY CO LTD
International Classes:
F04D1/08; F04D29/42
Attorney, Agent or Firm:
Harakenzo world patent & trademark