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:
Oct. 30, 2007
Filed:
Jul. 30, 2004
Applicants:
Kartik Ganesan Iyer, Novi, MI (US);
Kerry Allen Delvecchio, Dunlap, IL (US);
Joanna Louise Costura, Peoria, IL (US);
Inventors:
Kartik Ganesan Iyer, Novi, MI (US);
Kerry Allen Delvecchio, Dunlap, IL (US);
Joanna Louise Costura, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A particulate trap has a plurality of filters and an air distributor. The air distributor has a first flow member and a second flow member. Each of the first and second flow members have a plurality of openings to allow exhaust flow through the plurality of filters. At least one of the first and second flow members is movable to selectively block exhaust flow to at least one of the plurality of filters at a given time.