Title:
SMALL DIAMETER MULTITUBULAR HEAT TRANSFER TUBE, AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2005140352
Kind Code:
A
Abstract:
To improve heat exchange performance along with heat transfer performance by increasing a heat transfer area of a small diameter multitubular heat transfer tube.
In the small diameter multitubular heat transfer tube comprised by providing a multiplicity of small diameter heat transfer tubes 41, 41, etc. provided between an inlet header 2A and an outlet header 2B of refrigerant or the like in communicated states, and carrying out heat exchange between internal fluid and external fluid, the heat transfer area is effectively increased by integrating heat transfer fins 42, 42, etc. on outer circumferences of the small diameter heat transfer tubes 41, 41, etc.
Inventors:
TAKAHASHI TAKAYUKI
FUJINO HIROKAZU
ASHIDA KEIJI
NAKADA HARUO
FUJINO HIROKAZU
ASHIDA KEIJI
NAKADA HARUO
Application Number:
JP2003374774A
Publication Date:
June 02, 2005
Filing Date:
November 04, 2003
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
F28F1/32; F25B39/00; F28D1/04; F28F13/02; (IPC1-7): F28F1/32; F25B39/00; F28D1/04; F28F13/02
Attorney, Agent or Firm:
Hiroshi Ohama