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Title:
スクリューポンプ、およびその製造方法
Document Type and Number:
Japanese Patent JP6695744
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a shaft divided screw pump structured to easily perform shaft core adjustment of a screw shaft, and a manufacturing method thereof.SOLUTION: The present invention relates to a shaft divided screw pump 100 comprising: a cylindrical first screw shaft 8 with which a screw blade 9 is mounted on its outer peripheral surface; and a cylindrical second screw shaft 13 with which a screw blade 14 is mounted on its outer peripheral surface and which is coupled to the first screw shaft 8. The first screw shaft 8 and the second screw shaft 13 are coupled to each other via a pair of flanges 12 and 15 of which the opposing faces are recessed and projected. The first screw shaft 8 includes a short pipe 8a (first short pipe part) with which the recessed-side flange 12 is mounted on an inner face of an axial end, and a length of the first short pipe part is equal to or shorter than 1000 mm.SELECTED DRAWING: Figure 4

Inventors:
Matsuoka Toshinori
Hayashi Hirotaka
Arasako Ritsuo
Hirohide Kumada
Application Number:
JP2016119945A
Publication Date:
May 20, 2020
Filing Date:
June 16, 2016
Export Citation:
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Assignee:
Shinko Environmental Solution Co., Ltd.
International Classes:
F04B19/12; F04D3/02
Domestic Patent References:
JP2015040529A
JP3056314A
JP2002153743A
JP2001227464A
Attorney, Agent or Firm:
Kaji/Suhara Patent Office



 
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