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. 27, 2018
Filed:
Dec. 10, 2012
Danfoss Power Solutions Aps, Nordborg, DK;
Nils E. Sevelsted, Soenderborg, DK;
Morten Hoeck Petersen, Soenderborg, DK;
Helle Bonde Rasmussen, Soenderborg, DK;
Danfoss Power Solutions ApS, Nordborg, DK;
Abstract
A hydraulic steering device is provided comprising a supply port arrangement having a supply port (P) and a return port (T), a working port arrangement having two working ports (L, R), direction valve means () arranged between said supply port arrangement and said working port arrangement, at least two fluid meters (), each of said fluid meters () having a movable metering element (), said metering elements () being connected by a shaft (), said shaft () having an axis, selector valve means () being provided, said selector valve means () in a first position arranging said fluid meters () hydraulically in parallel and in a second position shutting off one of said fluid meters (), said selector valve means () having a valve element () shiftable in an direction parallel to said axis. It is an object to reduce wear in said hydraulic steering device in a simple manner. To this end said selector valve means () are arranged between said two fluid meters (), said shaft () extending through said valve element ().