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:
Jul. 02, 2024
Filed:
Dec. 27, 2021
Mann+hummel Gmbh, Ludwigsburg, DE;
Bharatesh Alagouda, Karnataka, IN;
MANN+HUMMEL GmbH, Ludwigsburg, DE;
Abstract
A filter system () having a housing (), a fluid inlet () formed in a housing wall (), a fluid outlet () formed in a housing wall (), a primary filter element () and a secondary filter element (). The secondary filter element () is arranged on a stand pipe () which is rigidly connected to one of the housing walls (). The secondary filter element () comprises a filter medium () forming a body () having at least one longitudinal seam () along a longitudinal axis (L). The filter body () has a first edge () at one region () which is curved in an initial unwound state of the filter medium () and straight in a final wound state of the filter medium () forming the filter body () and a second edge () at the opposite region () of the filter body () with respect to the longitudinal axis (L) which is straight in an initial unwound state of the filter medium () and curved in a final wound state of the filter medium () forming the filter body (). A method of manufacturing is also disclosed.