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:
Feb. 26, 2019

Filed:

Jan. 12, 2015
Applicant:

Danfoss Power Solutions Aps, Nordborg, DK;

Inventors:

Dirk Wroblewski, Flensburg, DE;

Kjeld Ravn, Sydals, DK;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 13/04 (2006.01); F15B 13/043 (2006.01); F16K 31/42 (2006.01);
U.S. Cl.
CPC ...
F15B 13/0433 (2013.01); F15B 13/0402 (2013.01); F16K 31/423 (2013.01); Y10T 137/8671 (2015.04); Y10T 137/86614 (2015.04);
Abstract

An electrohydraulic control valve () comprising a control valve element () displaceable in a first direction by a pressure in a first pressure chamber () and in a second direction by a pressure in a second pressure chamber (). Each pressure chamber () is connected to a line between a high pressure port (PP) and a low pressure port (PT) via a magnetic valve (). Each magnetic valve () is a three-way valve and comprises a first valve seat () and a second valve seat (). A space () between the first valve seat () and the second valve seat () is connected to the pressure chamber () and a first valve element () positioned outside the space () cooperates with the first valve seat () and a second valve element () positioned outside the space () cooperates with the second valve seat ().


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