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. 04, 2002
Filed:
Jun. 28, 2000
Applicant:
Inventor:
Gerhard Fränkle, Remshalden-Grunbach, DE;
Assignee:
DaimlerChrysler AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/920 ; B01D 2/706 ; B01D 2/714 ;
U.S. Cl.
CPC ...
B01D 3/920 ; B01D 2/706 ; B01D 2/714 ;
Abstract
A device serves for filtering a fluid contaminated with particles, in particular an exhaust gas transporting particulate matter from an engine. The device is provided with an outer container and at least one filter device of a porous material. The porous material of each of the at least one filter devices has a number of folds extending in the direction of flow. Furthermore, the porous material has in its cross section a closed geometrical form with at least one inner opening.