Title:
AXIAL MIXED FLOW PUMP
Document Type and Number:
Japanese Patent JPH074379
Kind Code:
A
Abstract:
PURPOSE: To allow high pressure water, obtained by turning contraflow generated at the time of small water quantity operation such as the pump starting time or the nearly stopping time, to be effectively used as wash water.
CONSTITUTION: A pipeline 6 for taking outside high pressure water Wa obtained by turning contraflow generated in a suction side area at the time of small water quantity operation is connected to a position more on the suction side than the position of an impeller 3 in a casing 1, and this high pressure water Wa is used as wash water for the backwash of a screen 10, the elimination of sand M, and the like.
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Inventors:
MIYAUCHI SUNAO
Application Number:
JP14896893A
Publication Date:
January 10, 1995
Filing Date:
June 21, 1993
Export Citation:
Assignee:
KUBOTA KK
International Classes:
F04D7/04; F04D11/00; F04D13/00; F04D29/70; (IPC1-7): F04D11/00; F04D7/04; F04D29/70
Attorney, Agent or Firm:
Suzue Koichi
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