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Patent Searching and Data


Title:
HEAT TRANSFER PIPE OR HEADER PIPE FOR OPEN RACK TYPE CARBURETOR
Document Type and Number:
Japanese Patent JP2004293811
Kind Code:
A
Abstract:

To prevent the occurrence of corrosion and damage even in a join part of a heat transfer pipe and a header on a liquefied gas inlet side to improve durability.

This heat transfer pipe or header pipe for an open rack type carburetor is constituted in such a way that (1) liquefied gas having low boiling point of -40°C or less flows inside it, sea water is supplied onto an outer surface, and the sea water and the liquefied gas exchange heat to vaporize the liquefied gas by the heat exchange. An organic substance covering layer containing 10 mass% or more petrolatum is formed in a part or the whole surface of the outer surface of the heat transfer pipe or the header pipe. (2) Petrolatum content is specified to 50 mass% or more. (3) Water absorption rate of the organic substance covering layer is specified to 0.5% or less.


Inventors:
Sakashita, Shinji
Nakayama, Takenori
Sugano, Koichi
Egashira, Shinji
Shinkai, Koichi
Okitsu, Chuzo
Yamada, Yoshiaki
Application Number:
JP2003000082954
Publication Date:
October 21, 2004
Filing Date:
March 25, 2003
Export Citation:
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Assignee:
KOBE STEEL LTD
International Classes:
F17C9/02; F28D3/02; F28F1/00; F28F19/04; (IPC1-7): F28F19/04; F28D3/02; F28F1/00