Patent · US Active

Filter device

US10201769B2 · kind B2 · utility

0Cited by

4References

17Claims

0Family size

Assignee

HYDAC FILTERTECHNIK GMBH · DE

Inventors

Norbert Sann · Riegelsberg, DE
Dirk Röder · Saarburg, DE

Key dates

Filing date	Nov 28, 2012
Grant date	Feb 12, 2019
Priority date	—
Expiry date	Nov 28, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2201/40
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter device has a filter element (3) in a filter housing (1). Corresponding threads (23, 33) form a screw connection between a housing cover (5) of the filter housing (1) and the filter element (3). A seal (29, 35) is between the filter element (3) and the housing cover (5). The screw connection is formed by threads (33) on a connecting pipe piece (31) that is part of an end cap (17) of the filter element (3) and that extends into the inner filter cavity (22) and by the threads (23) of the housing cover (5). The housing cover threads (23) are on a receiving pipe piece (21) formed by a separate component attached to the housing cover (5).

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