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:
Dec. 22, 2009
Filed:
Sep. 15, 2006
Ralf Bauder, Ketsch, DE;
Michael Wolf, Neunkirchen, DE;
Karlheinz Muenkel, Oberderdingen-Flehingen, DE;
Joachim Stinzendoerfer, Speyer, DE;
Duc Cuong Nguyen, Laatzen, DE;
Oliver Scherer, Reisbach, DE;
Martin Gruber, Gangkofen, DE;
Ralf Bauder, Ketsch, DE;
Michael Wolf, Neunkirchen, DE;
Karlheinz Muenkel, Oberderdingen-Flehingen, DE;
Joachim Stinzendoerfer, Speyer, DE;
Duc Cuong Nguyen, Laatzen, DE;
Oliver Scherer, Reisbach, DE;
Martin Gruber, Gangkofen, DE;
Mann + Hummel GmbH, Ludwigsburg, DE;
Abstract
A compact filter element with a large filter surface area having inner and outer rings of filter material with an annular space between them, such that fluid to be filtered can be introduced into the annular space between the rings of filter material and a portion thereof can flow through the outer ring of filter material to the periphery of the filter element and another portion thereof can flow through the inner ring of filter material to the center of the filter element; at least one fluid-permeable support member for the filter material, and at least one end disk on an axial end face of the filter element affixed to the rings of filter material in a sealed manner, in which the end disk has a centrally arranged inlet opening for the fluid to be filtered and one or more radially extending distributor channels leading from the central inlet opening to at least one eccentrically arranged outlet opening which opens into the annular space between the rings of filter material to admit fluid to be filtered to the annular space.