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. 27, 2018
Filed:
May. 05, 2016
Danfoss Power Solutions Aps, Nordborg, DK;
Bendt Porskrog, Nordborg, DK;
Casper Mikael Olesen, Sonderborg, DK;
Abdul Karim Rahimzai, Sonderborg, DK;
Danfoss Power Solutions ApS, Nordborg, DK;
Abstract
A hydraulic steering unit () is disclosed comprising a working port arrangement (L, R) having two working ports (L, R), a supply port arrangement having a high pressure port (P) and a low pressure port (T), a main flow path () having a main bleed (A) and a metering device () and being arranged between said high pressure port (P) and said working port arrangement (L, R), an amplification flow path () having an amplification bleed (Au) and being arranged between said high pressure port (P) and said working port arrangement (L, R), said main bleed (A) and said amplification bleed (Au) being controlled together by means of a steering handle () and being closed in neutral position of said steering handle (), and a drain bleed (Ad) which is open in neutral position of said steering handle (), said drain bleed (Ad) connecting a point () upstream said main bleed (A) and said amplification bleed (Au) to said low pressure port (T).