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. 15, 2019

Filed:

Jan. 30, 2017
Applicant:

Eco Holding 1 Gmbh, Marktheidenfeld, DE;

Inventors:

Christian Hugel, Wendlingen, DE;

Johannes Krebs, Ostfildern, DE;

Christian Sleziona, Stuttgart, DE;

Assignee:

ECO Holding 1 GmbH, Marktheidenfeld, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 11/07 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F16K 31/0613 (2013.01); F16K 11/0708 (2013.01); Y10T 137/8671 (2015.04);
Abstract

A hydraulic valve including a valve housing including a longitudinal axis, a receiving opening extending along the longitudinal axis, a first flow through opening of a supply connection, a second flow through opening of an operating connection, a third flow through opening of a tank connection, wherein the first flow through opening, the second flow through opening and the third flow through opening are configured at least partially flowable by a hydraulic fluid flowing through the valve housing, and a valve piston with a control groove which valve piston is axially displaceable in the valve housing in the receiving opening along the longitudinal axis, wherein the flow forces of the hydraulic fluid imparted upon the valve piston are oriented away from a first switching position of the hydraulic valve where the hydraulic fluid flows from the first flow through opening into the second flow through opening.


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