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.
Patent No.:
Date of Patent:
Aug. 17, 2004
Filed:
May. 08, 2001
Kurt M. A. Badeau, Evansville, WI (US);
William C. Haberkamp, Cookeville, TN (US);
Fleetguard, Inc., Nashville, TN (US);
Abstract
An exhaust aftertreatment filter ( ) is provided for internal combustion engine exhaust, and includes an axially extending cylindrical filter roll ( ) having pleated filter media ( ) defining a plurality of axially extending flow channels ( ), and having a first open-flow section ( ) with open flow channels ( ), and a second filtering section ( ) with alternately sealed flow channels ( ) forcing exhaust to flow through ( ) the pleated filter media ( ). A core section ( ) aides filter regeneration by providing an exothermic reaction. A combination catalytic converter and filter includes a first catalytic section ( ) treated with a catalyst, and a second filter section ( ) with alternately sealed flow channels ( ).