Filter element having filter bellows

US10384158B2 · kind B2 · utility

Assignee

• MANN+HUMMEL GmbH · DE

Inventors

• Frank Pflueger · Sachsenheim, DE
• Fabian Wagner · Heubach, DE
• Christian Thalmann · Speyer, DE
• André Roesgen · Winnenden, DE
• Robert Hasenfratz · Hessental, DE
• Daniel Schmid · Sachsenheim, DE
• Timo Dirnberger · Erbach, DE

Key dates

• Filing date: May 20, 2016
• Grant date: Aug 20, 2019
• Expiry date: Feb 26, 2037

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2275/206
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A filter element for filtering a fluid, including: a filter bellows made of a filter medium folded into zig-zag-shaped pleats along fold edges, each pleat extending between opposing end edges of the filter bel-lows, and being laterally sealed at the end edges by means of at least one sealant track or a sideband; wherein the filter bellows includes a first element section; and a second element section, which include each on opposing end faces end edge surfaces and that substantially run parallel to one another, wherein, from one element section to another element section, at least one of the end edge surfaces changes direction.