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:
Aug. 16, 2011
Filed:
Mar. 06, 2007
Applicants:
Anders Kryhlmand, Sydals, DK;
Ove Pedersen, Aabenraa, DK;
Niels Bjarne Hansen, Aabenraa, DK;
Poul Ennemark, Soenderborg, DK;
Inventors:
Anders Kryhlmand, Sydals, DK;
Ove Pedersen, Aabenraa, DK;
Niels Bjarne Hansen, Aabenraa, DK;
Poul Ennemark, Soenderborg, DK;
Assignee:
Sauer-Danfoss Aps, Nordborg, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a hydraulic steering () with a steering valve () located between a supply connection arrangement (P, T) and a steering motor (). It is endeavored to improve the safety of such a steering. For this purpose, the steering valve () has a hydraulic drive () with a pilot valve arrangement () supplied by a pressure control valve (), a stop valve () being located between the pressure control valve () and the pilot valve arrangement ().