Patent · US Active

Filter arrangement with a gel seal and use of such a filter arrangement as an interior air filter

US11746905B2 · kind B2 · utility

0Cited by

2References

13Claims

0Family size

Assignee

Carl Freudenberg KG · DE

Inventors

Maik Sieh · Sandhausen, DE
Morfula Chirnside · Schwetzingen, DE

Key dates

Filing date	Apr 18, 2019
Grant date	Sep 5, 2023
Priority date	—
Expiry date	Jun 12, 2042

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01L2300/0681
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter arrangement includes: a filter element in a first filter stage, the filter element having a filter material for filtering an air stream; a housing for receiving the filter element; and a circumferential gel seal arranged between the filter element and the housing in order to seal the filter element from the housing.

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