Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
UNDERWATER PUMP DEVICE
Document Type and Number:
Japanese Patent JP2003328977
Kind Code:
A
Abstract:

To provide an underwater pump usable for a drain pump equipment requiring a high pump head.

This underwater pump device is provided with a guide leg part 11 provided in a drain area 2, a lower stage underwater pump 4 arranged in the guide leg part 11 impossible to rotate around an axis of the guide leg part and possible to put in/out in the vertical direction thereof, and an upper stage underwater pump 4A arranged in series to the lower stage underwater pump 4 by placing it over the lower stage underwater pump 4 impossible to rotate around an axis of the guide leg part 11 and possible to put in/out in the vertical direction thereof. A lower flange 44 and an upper flange 45 of both the underwater pumps 4 and 4A are provided with semi-circular engaging recessed parts 46, 46, etc., to be removably engaged with guide palls 11A, 11A, etc., as structural members of the guide leg part 11 freely to slide.


Inventors:
MURASE YOSHIRO
KATO TAKASHI
OGAWA YOSHINOBU
Application Number:
JP2002135196A
Publication Date:
November 19, 2003
Filing Date:
May 10, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KUBOTA KK
International Classes:
F04D13/00; F04D1/08; (IPC1-7): F04D13/00; F04D1/08
Attorney, Agent or Firm:
Koichi Suzue (1 person outside)



 
Previous Patent: AXIAL FLOW PUMP

Next Patent: VERTICAL SHAFT TYPE PUMP