Title:
CASING FOR LIQUID-SEAL ROTARY PUMP
Document Type and Number:
Japanese Patent JP2004027912
Kind Code:
A
Abstract:
To provide a casing for a liquid-seal rotary pump most suitable for use or a purpose at a low cost by forming the casing with a plurality of elements and joining those elements.
In the rotary pump in which the center of the casing is formed so as to become different in the axial direction of an impeller, the casing is formed by joining a plurality of casing elements divided in the axial direction. In the inner surface of the elements, cylindrical space is formed, and the space of the adjacent casing element is aligned in the axial direction, thereby forming a pump chamber.
Inventors:
ENDO NAOKI
ITO HIROSHI
MAEDA TETSUHIKO
ITO HIROSHI
MAEDA TETSUHIKO
Application Number:
JP2002183270A
Publication Date:
January 29, 2004
Filing Date:
June 24, 2002
Export Citation:
Assignee:
NAT INST OF ADV IND & TECHNOL
International Classes:
F04C19/00; (IPC1-7): F04C19/00