Title:
IMPELLER, WATER HEATER, RESIN MOLDING DIE, AND METHOD OF MANUFACTURING IMPELLER
Document Type and Number:
Japanese Patent JP2018091199
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an impeller integrally formed with resin and achieving a stable air-blowing performance.SOLUTION: An impeller integrally formed with resin includes an annular shroud, a main plate having a boss part in a central section, and a plurality of blades. Each of the blades is arranged between the shroud and the main plate so as to connect the shroud and the main plate. The shroud has a plurality of first gate mark portions, and the main plate has a plurality of second gate mark portions.SELECTED DRAWING: Figure 1
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Inventors:
TAKEWAKA KINJI
IMAIZUMI MASAHARU
YOSHIDA YUKIO
IMAIZUMI MASAHARU
YOSHIDA YUKIO
Application Number:
JP2016234289A
Publication Date:
June 14, 2018
Filing Date:
December 01, 2016
Export Citation:
Assignee:
NORITZ CORP
International Classes:
F04D29/28; B29C45/27; B29C45/37
Domestic Patent References:
| JP2016044622A | 2016-04-04 | |||
| JP2013011239A | 2013-01-17 |
Foreign References:
| WO2008111368A1 | 2008-09-18 |
Attorney, Agent or Firm:
Fukami patent office
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