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:
Dec. 16, 2014

Filed:

Oct. 04, 2012
Applicant:

Schwäbische Hüttenwerke Automotive Gmbh, Aalen-Wasseralfingen, DE;

Inventors:

Jürgen Bohner, Bad Waldsee, DE;

Jens Krüger, Bad Schussenried, DE;

Uwe Meinig, Bad Saulgau, DE;

Assignee:

Schwabische Huttenwerke Automotive GmbH, Aalen-Wasseralfingen, DE;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 1/344 (2006.01); F15B 21/04 (2006.01); F01L 1/46 (2006.01); F15B 13/04 (2006.01); F16K 1/32 (2006.01);
U.S. Cl.
CPC ...
F16K 1/32 (2013.01); F15B 21/041 (2013.01); F01L 1/46 (2013.01); F15B 13/0402 (2013.01); F01L 1/3442 (2013.01);
Abstract

A control valve for controlling a pressure fluid, said control valve comprising: a valve housing () comprising a valve inlet (P) for the pressure fluid, a control port (A, B) for connecting to an assembly which is to be operated using the pressure fluid, and a valve outlet (TA, TB); a valve piston () which can be moved in the valve housing () along an axis (R) and which comprises a hollow space () through which the pressure fluid can flow from the valve inlet (P) to the control port (A, B); and a filter device () which is arranged in the control valve and comprises a filter cross-section () which filters the pressure fluid as it passes through it, wherein at least a part of the filter cross-section () of the filter device () is situated in the hollow space () of the valve piston ().


Find Patent Forward Citations

Loading…