Title:
VERTICAL SHAFT PUMP
Document Type and Number:
Japanese Patent JP2004092439
Kind Code:
A
Abstract:
To further miniaturize a water storage space by adapting self-priming system and effectively use the water storage device in pumping up.
An intake spiral chamber 26 communicating with an intake port 10 opened in a transverse direction is provided under a discharge spiral chamber 28 containing an impeller 24. The intake port 10 is arranged so that its lower end B is located above a position A laid along the height direction of the inlet circumferential end of the impeller 24 (B>A), and a return passage 36 communicating with the intake spiral chamber 26 is provided in the lower part of the discharge spiral chamber 28.
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Inventors:
JINNO HIDEKI
YAMAZAKI SHIRO
GOTO TETSUO
YAMAZAKI SHIRO
GOTO TETSUO
Application Number:
JP2002252139A
Publication Date:
March 25, 2004
Filing Date:
August 29, 2002
Export Citation:
Assignee:
EBARA CORP
International Classes:
F04D9/02; F04D29/22; F04D29/42; (IPC1-7): F04D9/02; F04D29/22; F04D29/42
Attorney, Agent or Firm:
Isamu Watanabe
Shintaro Hotta
Ryoji Kosugi
Tomohiro Mori
Shintaro Hotta
Ryoji Kosugi
Tomohiro Mori