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:
Nov. 24, 2020
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 first working port arrangement having a first left working port (L) connected to a first left working flow path () and a first right working port (R) connected to a first right working flow path (), a variable first left orifice (AL) connected to the main flow path () and to the first left working flow path (), a variable first right orifice (AR) connected to the main flow path () and to the first right working flow path (), a variable second left orifice (AL) connected to the first left working flow path () and to the tank flow path (), a variable second right orifice (AR) connected to the first right working flow path () and to the tank flow path (), and a second working port arrangement having a second left working port () connected to a second left working flow path () and a second right working port (R) connected to a second right working flow path (), wherein the variable first left orifice (AL) is connected to the second left working flow path () and the variable first right orifice (AR) is connected to the second right working flow path ().