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.

Date of Patent:
Sep. 01, 1992

Filed:

May. 17, 1990
Applicant:
Inventors:

Hideaki Ushio, Saitama, JP;

Seiji Nishimoto, Saitama, JP;

Koji Tamenori, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60272 ; 2989008 ; 60323 ; 164 98 ;
Abstract

An engine part with a cast main body and a manifold type ceramic liner which is cast in the main body to define a manifold type exhaust passage therein, the ceramic liner including a hollow cylindrical liner body and a plurality of cylinder members branched from the liner body, a through portion being provided at a branched area of the ceramic liner for communicating inside and outside of the ceramic liner at which area adjacent cylinder members are branched apart, the through portion being filled with a molten metal at the time of casting the main body.


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