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:
Nov. 07, 1978

Filed:

Aug. 18, 1977
Applicant:
Inventor:

Shinichiro Mizusawa, Okazaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
181231 ; 181258 ; 181269 ; 181273 ;
Abstract

A silencer which may be arranged in place in an exhaust system of an internal combustion engine includes walls forming the main body of the silencer; a first separator supported by the walls to define a rear chamber therebetween; a second separator supported by the walls to define a first intermediate chamber between the walls and the first and second separators; a flame-extinguishing device supported by the walls to define a second intermediate chamber in combination with the walls, the second separator and the flame-extinguishing device as well as to define a front chamber between the walls and the flame-extinguishing device; an inlet pipe in fluid communication with the front chamber whereby an exhaust gas may flow from the inlet pipe into the front chamber; an outlet pipe in fluid communication with the first intermediate chamber whereby the exhaust gas may flow out of the first intermediate chamber through the outlet pipe; and an inner pipe having a plurality of apertures formed therein.


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