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Patent Searching and Data


Title:
MULTI-STAGE GEAR PUMP
Document Type and Number:
Japanese Patent JP2004278502
Kind Code:
A
Abstract:

To provide a multi-stage gear pump capable of securing a boosting characteristic of liquid.

A pump 1 is equipped with a first stage gear train 36 made up of gears 26, 32, a second stage gear train 37 made up of gears 27, 33, and a third stage gear train 38 made up of gears 28, 34. The pump 1 successively passes DEM through these gear trains 36-38 to boost. After boosting, the DEM is discharged from a discharging port. The discharging capacity of the second stage gear train 37 is set smaller than that of the first stage gear train 36. The discharging capacity of the third stage gear train 38 is set smaller than that of the second stage gear train 37.


Inventors:
Suzuki, Shigeru
Fujii, Toshiro
Application Number:
JP2003000089245
Publication Date:
October 07, 2004
Filing Date:
March 27, 2003
Export Citation:
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Assignee:
TOYOTA INDUSTRIES CORP
International Classes:
F04C2/18; F04C11/00; F04C14/02; F04C15/00; F04C13/00; (IPC1-7): F04C11/00; F04C2/18
Attorney, Agent or Firm:
恩田 博宣
恩田 誠