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:
Oct. 07, 1997

Filed:

Apr. 24, 1996
Applicant:
Inventors:

Hiroshi Kato, Saitama, JP;

Mitsuo Kusa, Saitama, JP;

Kensuke Suzuki, Saitama, JP;

Takahito Sekita, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; F01N / ;
U.S. Cl.
CPC ...
422179 ; 422171 ; 422177 ; 422180 ; 422211 ; 422221 ; 422222 ; 60299 ; 60302 ; 251368 ; 13762532 ;
Abstract

An exhaust gas purifying device includes a cylindrical carrier carrying a catalyst, the carrier having a number of holes in the cylindrical wall thereof, an exhaust pipe into which the cylindrical carrier is inserted, an elastic member set radially compressed between a part of the outer cylindrical surface of at least one end portion of the carrier and a recess formed in the inner cylindrical surface of the exhaust pipe which is confronted with the part of the outer cylindrical surface, pressing pieces protruded from the outer cylindrical surface of the carrier so as to engage with the inner end face of the elastic member as viewed in the direction of axis thereof, the pressing pieces cooperating with the end of the recess to compress the elastic member axially, and a valve chamber formed in the exhaust pipe, the valve chamber having a valve body which includes a valve shaft penetrating the valve chamber in a direction of diameter, and a valve body fixedly mounted on the valve shaft.


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