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:
Sep. 22, 2009
Filed:
Dec. 07, 2005
Jochen Linhart, Waiblingen, DE;
Michael Micke, Stuttgart, DE;
Michael Fasold, Auenwald, DE;
Mann & Hummel GmbH, Ludwigsburg, DE;
Abstract
A fuel filter for cleaning fuel, particularly for engines of motor vehicles, having a filter housing () with an inlet (), an outlet (), and a filter element () for cleaning the fuel situated between the inlet () and the outlet (). A collecting space () for water separated from the fuel additionally is provided in the filter housing (), and a water discharge device () having a housing () is also arranged in the filter housing. Discharge device housing () has an inlet () and an outlet (), between which a membrane () that is permeable for water molecules is situated, and the water-permeable membrane () has channel structures () which are closed in a sealed manner at their upper ends.