Title:
PUMP DRIVE
Document Type and Number:
WIPO Patent Application WO/2007/029549
Kind Code:
A1
Abstract:
A pump drive is provided for improving pumping efficiency by suppressing reverse
flow of a fluid in a pump chamber. A guide tube (23) is provided to slide by being
fitted in a case inner wall plane (24), which is arranged concentrically with
an output shaft (4) of a motor (M) in the pump chamber (8) and forms the pump chamber
(8) by the both sides in the shaft direction, and in a shaft core side inner wall
plane (25) of an impeller (9) stored in the pump chamber (8).
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Inventors:
KOMATSU FUMITO (JP)
Application Number:
PCT/JP2006/316905
Publication Date:
March 15, 2007
Filing Date:
August 29, 2006
Export Citation:
Assignee:
YUGEN KAISHA K R AND D (JP)
KOMATSU FUMITO (JP)
KOMATSU FUMITO (JP)
International Classes:
F04D29/16; F04D13/02; F04D29/08
Domestic Patent References:
WO1999017026A1 | 1999-04-08 |
Foreign References:
JP3384514B2 | 2003-03-10 | |||
JPH07224785A | 1995-08-22 | |||
JPS5038501U | 1975-04-21 | |||
JPS58122798U | 1983-08-20 | |||
JPH0326898A | 1991-02-05 | |||
JPS3821068Y1 |
Attorney, Agent or Firm:
WATANUKI, Takao (12-9 Nakagosho, 3-chom, Nagano-shi Nagano 35, JP)
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