Title:
METAL CARRIER OF CATALYST CONVERTER
Document Type and Number:
Japanese Patent JPH09108575
Kind Code:
A
Abstract:
To improve the durability of a catalyst converter by improving a metal carrier of the catalyst converter whose shell having a core therein is of double-wall structure comprising an inner and outer cylinders to reduce stresses due to the differences in thermal expansion between the inner and outer cylinders.
In a metal carrier of a catalyst converter in which a shell 21 including a core 19 formed from a corrugated metal plate and flat metal plate is of double-wall structure comprising an inner cylinder 23 and outer cylinder 25, made of a metal, opposite ends thereof being joined together, the inner cylinder 23 is formed from ferritic stainless steel and the outer cylinder 25 is formed from austenitic stainless steel.
Inventors:
SUGIMOTO TAMOTSU
Application Number:
JP27139495A
Publication Date:
April 28, 1997
Filing Date:
October 19, 1995
Export Citation:
Assignee:
CALSONIC CORP
International Classes:
B01D53/86; B01J35/04; B21D47/00; F01N3/28; (IPC1-7): B01J35/04; B01J35/04; B01D53/86; B21D47/00; F01N3/28
Attorney, Agent or Firm:
Furuya Fumio (1 person outside)