Patent · US Active

Filter element and filter system

US8920530B2 · kind B2 · utility

27Cited by

16References

9Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Klaus-Dieter Ruhland · Meckenheim, DE
Michael Kaufmann · Dortmund, DE

Key dates

Filing date	Jan 20, 2010
Grant date	Dec 30, 2014
Priority date	—
Expiry date	Feb 21, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2271/022
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a filter element, comprising a filter medium (10) having a concentric shape and pleated in a zig-zag shape, a first open or closed end disk (11) arranged on a face and a second end disk (12) arranged on the opposing face. The end disk (12) comprises a concentric opening (13) and extends in a substantially annular shape over the pleats of the filter medium. The end disk (12) further comprises a first ring bead (14) extending axially to the outside and a sealing groove (16). The ring bead (14) comprises outer faces (18, 19), which are supported on radially extending ribs (20, 21) of a housing receiving the filter element or on a flat surface having channels.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.