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:
Feb. 15, 2005
Filed:
Apr. 22, 2003
Siegfried Zenker, Kirchseeon, DE;
Thorkild Christensen, Sonderborg, DK;
Siegfried Zenker, Kirchseeon, DE;
Thorkild Christensen, Sonderborg, DK;
Sauer-Danfoss ApS, , DK;
Abstract
A hydraulic valve system () has a supply connection arrangement having a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement, having two working connections (A, B) connectable with a motor (), with a directional valve (), which is arranged between the supply connection arrangement (P, T) and the working connection arrangement (A, B), and with a compensation valve (), which is acted upon in a first operation direction by a spring () and a pressure in a pressure chamber (), which is connected with a load-sensing line (LS), and in a second operation direction, which is opposite to the first operation direction, by a pressure at the directional valve ().