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Patent Searching and Data


Title:
LIQUID-SEAL ROTARY PUMP
Document Type and Number:
Japanese Patent JP2003269353
Kind Code:
A
Abstract:

To provide a liquid-seal rotary pump reduced in the clearance volume.

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:
ENDO NAOKI
ITO HIROSHI
MAEDA TETSUHIKO
Application Number:
JP2002069591A
Publication Date:
September 25, 2003
Filing Date:
March 14, 2002
Export Citation:
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Assignee:
NAT INST OF ADV IND & TECHNOL
International Classes:
F04C25/02; F04C19/00; F04C29/00; (IPC1-7): F04C19/00; F04C25/02; F04C29/00