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:
Jan. 30, 2007
Filed:
Dec. 24, 2003
Applicants:
Owen Charles Kolstad, Peoria, IL (US);
Kartik Ganesan Iyer, Novi, MI (US);
Kerry Allen Delvecchio, Dunlap, IL (US);
Joanna Louise Williams, Peoria, IL (US);
Inventors:
Owen Charles Kolstad, Peoria, IL (US);
Kartik Ganesan Iyer, Novi, MI (US);
Kerry Allen Delvecchio, Dunlap, IL (US);
Joanna Louise Williams, 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 an inner tube and an outer tube. Each of the inner and outer tubes have a plurality of openings to allow exhaust flow to the plurality of filters. One of the inner and outer tubes is rotatable to selectively block exhaust flow to at least one of the plurality of filters at a given time.