Patent · US Active

Filter system

US7678170B2 · kind B2 · utility

5Cited by

8References

11Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Frank Pfeiffer · Monsheim, DE
Pius Trautmann · Dingolfing, DE
Anders-Christian Hoppe · Oberstenfeld, DE

Key dates

Filing date	Apr 14, 2006
Grant date	Mar 16, 2010
Priority date	—
Expiry date	Apr 12, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2271/02
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter element, especially for filtering intake air for an internal combustion engine, which filter element is composed of a coiled filter, through which a flow of air passes axially, and which has an annular gasket on at least one end face, the annular gasket being connected to the filter element by a welded, glued, extruded or fused connection, such that the annular gasket is inserted into a suitably constructed receptacle in a filter housing and radially and/or axially positions the coiled filter. The annular gasket is arranged directly on the end face of the coiled filter and is pressed axially and/or radially into the receptacle of the housing.

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