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Patent Searching and Data


Title:
IMPELLER FOR VORTEX TYPE PUMP, VORTEX TYPE PUMP, AND METHOD FOR MANUFACTURING IMPELLER FOR VORTEX TYPE PUMP
Document Type and Number:
Japanese Patent JP2018009501
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an impeller for a vortex type pump capable of improving pump efficiency without intricately deforming a conventional blade shape, and capable of being easily manufactured at a low cost.SOLUTION: An impeller for a vortex type pump includes a main plate, and a plurality of blades fixed to the main plate. The blades are formed separately from each other and separately from the main plate, and a front surface of at least one of the blades extends obliquely from the main plate with respect to a center axis of the impeller in a direction opposite from a rotation direction of the impeller at least partially.SELECTED DRAWING: Figure 2

Inventors:
ISONO MIHO
UCHIDA HIROSHI
KAWAI MASATO
Application Number:
JP2016138396A
Publication Date:
January 18, 2018
Filing Date:
July 13, 2016
Export Citation:
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Assignee:
EBARA CORP
International Classes:
F04D7/04; F04D29/22; F04D29/24
Domestic Patent References:
JPS392732B1
JPS6241894U1987-03-13
JPH11148496A1999-06-02
JPS5290704U1977-07-06
JPS3613390B1
Foreign References:
US20100239417A12010-09-23
Attorney, Agent or Firm:
Shinjiro Ono
Toru Miyamae
Yukio Kanegae
Yasuko Tagami
Makoto Watanabe