Patent · US Active

Filter element

US9440172B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

Ralf Disson · Leutenbach, DE
Hannes Lay · Neuffen, DE
Bernd Neubauer · Welzheim, DE
Birgit Renz · Erbach, DE
Markus Steppe · Malmsheim, DE

Key dates

Filing date	Aug 16, 2013
Grant date	Sep 13, 2016
Priority date	—
Expiry date	Aug 16, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2239/1216
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter element for a filter device may include a filter body having at least one filter material for filtering a fluid. The filter body may have a first side and a second side facing away from the first side. The filter body may include a plurality of body pores. The filter body may have a porosity that is lower on the first side than on the second side. A nano-fiber layer may be disposed at least partially on the first side.

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