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. 16, 1997

Filed:

Mar. 04, 1994
Applicant:
Inventors:

Mutuo Sekiya, Hyogo, JP;

Satoshi Asada, Hyogo, JP;

Takakazu Tochimoto, Hyogo, JP;

Hidetoshi Okada, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60284 ; 60289 ; 60300 ; 219205 ; 219548 ; 392481 ; 392485 ; 392498 ;
Abstract

A secondary air supplying apparatus for an internal combustion engine and a gas heating apparatus are provided to enable high-performance exhaust gas purification in a catalytic apparatus of the internal combustion engine, in particular, even at a low-temperature starting time. A secondary air supplying apparatus supplies secondary air to the catalytic apparatus through a secondary air introducing path for communicating the intake side of the internal combustion engine with an exhaust manifold. In the apparatus, a gas heating apparatus having an exothermic body is provided for the secondary air introducing path.


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