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:
Feb. 25, 2014
Filed:
Apr. 12, 2012
Applicant:
Joerg Menssen, Tamm, DE;
Inventor:
Joerg Menssen, Tamm, DE;
Assignee:
Mann+Hummel GmbH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 50/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A two stage filter device includes a cyclonic pre-separator () designed as a pre-filter that separates the particles from the gas flow and a main filter element () arranged downstream as a second stage operable to filter by guiding the particles through at least one filter medium (). The main filter element () is received in a filter housing (). The main filter element () includes at least one retaining element () for stabilizing the position of the main filter element () in the housing ().