The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 2017
Filed:
Nov. 28, 2012
Hydac Filtertechnik Gmbh, Sulzbach/Saar, DE;
Norbert Sann, Riegelsberg, DE;
Dirk Röder, Saarbrücken, DE;
HYDAC FILTERTECHNIK GMBH, Sulzback/Saar, DE;
Abstract
A filter device has a filter element () received in a filter housing () and has a holding device () for detachably fixing the filter element in the filter housing (). Corresponding threads () form a screw connection between a housing cover () of the filter housing () and the filter element (). A sealing device () imparts a sealing action between the filter element () and the housing cover (). The screw connection is formed by threads () situated in the interior () of the filter element (). The thread () assigned to the filter element () is situated on a connecting pipe piece () that, as a constituent part of an end cap () of the filter element (), extends into the inner filter cavity () of the filter element (). The thread () assigned to the housing cover () is situated on a receiving pipe piece (), which can be screwed to the connecting pipe piece () of the filter element (). The receiving pipe piece is formed by a separate component in the form of a pipe piece () attached to the housing cover ().