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. 14, 1976

Filed:

Aug. 09, 1974
Applicant:
Inventors:

Kenji Masaki, Yokohama, JA;

Hatuo Nagaishi, Yokosuka, JA;

Yoshio Ookubo, Yokohama, JA;

Assignee:

Nissan Motor Co., Ltd., Yokohama, JA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60289 ; 2327 / ; 60303 ; 60306 ;
Abstract

An elongate outer hollow member encloses an elongate inner hollow member to form an annular passage therebetween which communicates with an exhaust gas inlet of the outer hollow member. The inner hollow member has a combustion chamber defined therein, a plurality of ports formed through a closed upstream end portion and opening from the exhaust gas inlet into the combustion chamber for injection of a portion of exhaust gas thereinto and a plurality of ports formed through a side portion and opening from the annular passage into the combustion chamber for injection of the remaining portion of exhaust gas thereinto. An secondary air injection means is disposed in the combustion chamber adjacent to the closed end portion and upstream of the ports in the side portion for injection of secondary air into the combustion chamber.


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