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:
Mar. 23, 2021
Filed:
May. 03, 2018
Danfoss Power Solutions Aps, Nordborg, DK;
Niels Arbjerg, Sydals, DK;
Charles Anthony Bates, Soenderborg, DK;
Poul Ennemark, Soenderborg, DK;
Mogens Frederiksen, Sydals, DK;
Casper Mikael Olesen, Soenderborg, DK;
DANFOSS POWER SOLUTIONS APS, Nordborg, DK;
Abstract
A hydraulic steering unit () is described comprising a supply port arrangement having a pressure port (P) connected to a main flow path () and a tank port (T) connected to a tank flow path (), a working port arrangement having a left working port connected to a left working flow path () and a right working port (R) connected to a right working flow path (), a bridge arrangement () of variable orifices (AL, AR, AL, AR) having a first left orifice (AL) connected to the main flow path () and to the left working flow path (), a first right orifice (AR) connected to the main flow path () and to the right working flow path (), a second left orifice (AL) connected to the left working flow path () and to the tank flow path (), and a second right orifice (AR) connected to the right working flow path () and to the tank flow path (). Such a steering unit should make steering comfortable. To this end a measuring motor () a measuring motor () is arranged in one of the left working flow path () and the right working flow path () and an amplification flow path () is connected to the one working flow path () downstream the measuring motor ().