Title:
CENTRIFUGAL PUMP IMPELLER AND CENTRIFUGAL PUMP
Document Type and Number:
Japanese Patent JP2009144531
Kind Code:
A
Abstract:
To provide a centrifugal pump 10 equipped with an impeller having an internal flow path 35 and an external flow path 36, having a high lift in a small flow rate region while setting passage particle size to be large.
The internal flow path 35 has a predetermined passage particle diameter and in at least a partial section of the external flow path 36, a flow path width in a rotation axis direction is set to be smaller than the width of an outlet 34.
Inventors:
OKAZAKI YASUHIDE
ANDO AKIHIRO
ENOMOTO JUNYA
FUNASAKA ARATA
OKIZOE AKIMASA
TARUI MOTONOBU
NISHI YASUYUKI
ANDO AKIHIRO
ENOMOTO JUNYA
FUNASAKA ARATA
OKIZOE AKIMASA
TARUI MOTONOBU
NISHI YASUYUKI
Application Number:
JP2007320154A
Publication Date:
July 02, 2009
Filing Date:
December 11, 2007
Export Citation:
Assignee:
SHIN MEIWA IND CO LTD
International Classes:
F04D7/04; F04D29/24
Domestic Patent References:
| JPS60261993A | 1985-12-25 | |||
| JPS4913522B1 | 1974-04-01 | |||
| JP2006527804A | 2006-12-07 | |||
| JPS551946U | 1980-01-08 | |||
| JPS53127303U | 1978-10-09 | |||
| JP2006291917A | 2006-10-26 |
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura
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