Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LINE PUMP
Document Type and Number:
Japanese Patent JP2000073982
Kind Code:
A
Abstract:

To provide a line pump of a miniaturized size, less reflux quantity at high pump head, low demand, high motor efficiency and pump efficiency, and non-adherence of foreign matter.

This line pump, which is equipped with a housing 1 provided with a suction opening and a discharge opening, an axial-flow impeller journalled to the housing 1 in a rotatable manner inside it and provided with a rotor 11 provided on a driven magnet and an axial-flow blade 4 provided in the interior of the rotor 11, and a drive unit provided in the circumference of the housing 1 opposingly to the magnet, has a guide blade 5 inserted into the interior of the rotor 11 from the wake side of the axial-flow blade 4 and the axial interval between the rear edge of the axial-flow blade 4 and the front edge of the guide blade 5 is set to a dimension two times or less of the product of the blade height of the axial-flow blade 4 and a hub ratio.


Inventors:
Suematsu, Shinji
Shukuri, Yoichi
Harakawa, Atsushi
Application Number:
JP1998000243150
Publication Date:
March 07, 2000
Filing Date:
August 28, 1998
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F04D3/02; F04D13/06; (IPC1-7): F04D13/06; F04D3/02
Attorney, Agent or Firm:
岩橋 文雄 (外2名)



 
Previous Patent: SEAL STRUCTURE OF VERTICAL PUMP

Next Patent: PUMPING DEVICE