Patent · US Active

Filter element

US9844744B2 · kind B2 · utility

2Cited by

5References

20Claims

0Family size

Assignees

Mahle International GmbH · DE
Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Harry Gensler · Leonberg, DE
Stefan Kaiser · Greensboro, US
Samuel Kohler · Weil im Schönbuch, DE
Hans Waibel · Waiblingen, DE
Dirk Depiereux · Ottobrunn, DE

Key dates

Filing date	Apr 30, 2014
Grant date	Dec 19, 2017
Priority date	—
Expiry date	Aug 16, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2265/04
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter element having a longitudinal center axis for a fresh air system of an internal combustion engine may include a first plate filter body composed of a pleated filter material and a separate second plate filter body composed of a pleated filter material. The filter element may include first wall body and a second wall body, and a first end body and a second end body. The first wall body, the second wall body, the first end body and the second end body may be connected to the first plate body and the second plate filter body to define an inner space. At least one of the first plate filter body and the second plate filter body may include a curvature projecting to the interior space in a profile extending transversely to a longitudinal direction with respect to the longitudinal center axis.

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