Title:
下水を輸送するためのポンプに使用される遠心型または半軸流型のポンプ羽根車
Document Type and Number:
Japanese Patent JP4143185
Kind Code:
B2
Abstract:
The invention concerns a pump of a centrifugal- or a half axial type meant to pump liquids, mainly sewage water. According to the invention, the pump impeller comprises a hub (4) provided with one or several vanes (5) the leading edges (6) of which being strongly swept backwards . One or several feeding grooves (8) being arranged in the surrounding pump housing (1) in a surface (7) opposed said vanes.
Inventors:
Wolf Albeus
Application Number:
JP27265798A
Publication Date:
September 03, 2008
Filing Date:
September 28, 1998
Export Citation:
Assignee:
ITTY Manufacturing Enterprises, Inc.
International Classes:
E03F5/22; F04D1/04; F04D29/24; F04D3/02; F04D7/00; F04D7/04; F04D29/18
Foreign References:
| DE274809A1 | ||||
| US3447475 | ||||
| GB408159A | ||||
| US5707016 | ||||
| DE4431947A1 |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Yukio Iwamoto
Toru Mori
Hajime Asamura
Yukio Iwamoto
Toru Mori
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