Title:
DOUBLE PIPE HEAT EXCHANGER
Document Type and Number:
Japanese Patent JP2005024108
Kind Code:
A
Abstract:
To provide a highly reliable double pipe heat exchanger by preventing it from being clogged over a long period.
The diameter of an outer pipe 1 on an inner pipe inlet 6 side in which carbon dioxide gas refrigerant is led is formed in a large diameter part 1a, and the diameter of the outer pipe 1 on the inner pipe outlet 8 side is formed in a small diameter part 1b. The diameter is changed midway, and the outer pipe 1 is continuously formed of a single seamless pipe.
Inventors:
OTANI TADAO
Application Number:
JP2003186764A
Publication Date:
January 27, 2005
Filing Date:
June 30, 2003
Export Citation:
Assignee:
HITACHI CABLE
International Classes:
F28F1/00; F25B1/00; F25B39/04; F28D7/02; F28D7/10; F28F13/08; (IPC1-7): F28D7/10; F25B1/00; F25B39/04; F28D7/02; F28F1/00
Attorney, Agent or Firm:
Tadao Hirata