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.

Date of Patent:
Oct. 30, 2018

Filed:

Jun. 08, 2016
Applicant:

Hilite Germany Gmbh, Marktheidenfeld, DE;

Inventors:

Juergen Goll, Collenberg, DE;

Andre Seidenschwann, Erlensee, DE;

Assignee:

Hilite Germany GmbH, Marktheidenfeld, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 13/04 (2006.01); F16K 27/04 (2006.01); F16K 31/06 (2006.01); F15B 13/044 (2006.01); F15B 21/04 (2006.01);
U.S. Cl.
CPC ...
F15B 13/0402 (2013.01); F15B 13/044 (2013.01); F15B 21/041 (2013.01); F16K 27/041 (2013.01); F16K 27/048 (2013.01); F16K 31/0613 (2013.01);
Abstract

A hydraulic valve, in particular a cartridge valve including a valve piston that is supported axially movable in a valve bushing and by which at least one operating connection, advantageously two operating connections are alternatively connectable with a supply connection and a tank drain, wherein the connections are configured with respect to a longitudinal axis of the valve bushing as slotted holes that extend over a limited distance in a circumferential direction and which are respectively protected by a screen element configured as a metal band which covers the slotted hole with a filter portion, wherein the screen element is arranged in a first groove enveloping the slotted hole and envelops the valve bushing in a second groove originating from the first groove on two sides, characterized in that the screen element includes a filter mask which includes a welding portion at a first end.


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