Title:
遠心ポンプ
Document Type and Number:
Japanese Patent JP2008544132
Kind Code:
A
Abstract:
An impeller plate of an impeller of a centrifugal pump, particularly a channel impeller pump, for pumping liquids with solid or gaseous admixtures, is provided with at least one wide vane that is displaced toward the impeller drive by a distance D so that the impeller chamber is enlarged by a rearward portion thereof. In addition, the impeller comprises at least one auxiliary vane having a center width at between 25%-75% of the width of the wide vane. This arrangement improves particularly the gas transporting ability of the pump.
Inventors:
Grimm, Michael
Fabre, Jean-Nicholas
Langer, Hagen
Fabre, Jean-Nicholas
Langer, Hagen
Application Number:
JP2008516097A
Publication Date:
December 04, 2008
Filing Date:
June 16, 2005
Export Citation:
Assignee:
Egger Pumps Technology AG
International Classes:
F04D7/04; F04D29/24
Domestic Patent References:
JPH02286897A | 1990-11-27 | |||
JP2000240584A | 2000-09-05 | |||
JPH0299294U | 1990-08-07 | |||
JPS63105793U | 1988-07-08 | |||
JP2003505628A | 2003-02-12 | |||
JP2002516960A | 2002-06-11 |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Toru Mori
Yutaka Yoshida
Hajime Asamura
Toru Mori
Yutaka Yoshida