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Title:
ROTARY BLADE MEMBER FOR PUMP AND DRAIN PUMP
Document Type and Number:
Japanese Patent JP2018172992
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a rotary blade member for a pump with a high-performance for pumping up liquid such as water, and to provide a drain pump.SOLUTION: A rotary blade member 1A for a pump includes a plurality of plate members 2 including a top plate 2a and a bottom plate 2b; a large diameter blade 3 disposed between the top plate and the bottom plate; and a small diameter blade 4 disposed below the bottom plate. A lateral part opening is formed between the top plate and the bottom plate. The top plate includes a first hole 20a through which fluid can pass. The bottom plate includes a second hole through which fluid can pass.SELECTED DRAWING: Figure 1

Inventors:
SATO KATSUSHI
KATO TOMOYA
Application Number:
JP2017070234A
Publication Date:
November 08, 2018
Filing Date:
March 31, 2017
Export Citation:
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Assignee:
FUJI KOKI KK
International Classes:
F04D1/14
Domestic Patent References:
JP3317808B22002-08-26
JP2593986Y21999-04-19
JP2004245055A2004-09-02
JP2005188497A2005-07-14
Foreign References:
US1919970A1933-07-25
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office



 
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