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:
Jun. 10, 2003
Filed:
Sep. 10, 2001
Z. Gerald Liu, Madison, WI (US);
C. Raymond Cheng, Madison, WI (US);
Fleetguard, Inc., Nashville, TN (US);
Abstract
A diesel particulate collector ( ) based on the principles of inertial impaction, virtual impaction, and filtration, for controlling exhaust emissions ( ) from a diesel internal combustion engine ( ) includes a housing ( ) having a first plate ( ) with a plurality of nozzles ( ) directing exhaust flow therethrough, a first impactor ( ) causing particle separation and a change of flow direction, a second plate ( ) having a second set of nozzles ( ) directing exhaust flow therethrough, and a second impactor ( ) causing particle separation and a change of flow direction, in a first of multiple stages in a sequential cascaded separation and collection system.