Title:
LIQUID-SEAL ROTARY PUMP
Document Type and Number:
Japanese Patent JP3735667
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a liquid-seal rotary pump reduced in the clearance volume.
SOLUTION: This liquid-seal rotary pump is formed by eccentrically arranging an impeller having a plurality of blades in a cylindrical casing, and has a suction side side plate for forming a suction port on one end of the cylindrical casing, and a delivery side side plate for forming a delivery port on the other end. The cross-sectional center of the cylindrical casing is formed so as to become different in the shaft direction of the impeller.
Inventors:
Naoki Endo
Haku Ito
Tetsuhiko Maeda
Haku Ito
Tetsuhiko Maeda
Application Number:
JP2002069591A
Publication Date:
January 18, 2006
Filing Date:
March 14, 2002
Export Citation:
Assignee:
National Institute of Advanced Industrial Science and Technology
International Classes:
F04C19/00; F04C25/02; F04C29/00; (IPC1-7): F04C19/00; F04C25/02; F04C29/00
Domestic Patent References:
| JP587286U | ||||
| JP347492U |