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:
Aug. 01, 2017
Filed:
Apr. 04, 2013
Gschaeffler Technologies Gmbh & Co. KG, Herzogenaurach, DE;
Christoph Ross, Stegaurach, DE;
Alexander Backer, Grafenberg, DE;
Josef Groschel, Gossweinstein, DE;
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
A valve element for a hydraulic control device, in particular valve sleeve () or valve housing for a control valve on internal combustion engines or transmissions of motor vehicles, wherein the valve element has a displaceable control piston () which is subjected to load on one side by a spring () which is supported on a spring support () which is fixed to the valve element. The spring support () has at least one opening () which is connected to a pressure medium line, and the pressure medium line is in the form of a pressure medium inlet line. An axial filter () is arranged at the opening () of the spring support () and/or the opening () of the spring support () is provided with a check valve ().