The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 1991
Filed:
Aug. 03, 1990
Applicant:
Inventors:
Yoshio Akimune, Yokohama, JP;
Shuzo Miyanoo, Isesaki, JP;
Assignees:
Nissan Motor Co., Ltd., Yokohama, JP;
Japan Electronic Control Systems Co., Isesaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B / ; F16L / ;
U.S. Cl.
CPC ...
60272 ; 138149 ; 428 345 ; 428 344 ; 428938 ; 427249 ; 4272552 ;
Abstract
An exhaust apparatus for a combustion equipment comprises an exhaust liner which includes a tubular member. The tubular member is formed by weaving or braiding a SiC fiber. A SiC is infiltrated thereinto out of the inner wall portion of the tubular member by the CVD method, thus obtaining an exhaust liner including a SiC Fiber/CVD - SiC composite. The density of SiC is greater in the inner wall of the exhaust liner than in the outer wall thereof.