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:
Sep. 13, 2022
Filed:
Sep. 23, 2015
Danfoss Power Solutions Gmbh & Co. Ohg, Neumuenster, DE;
Artemis Intelligent Power Ltd., Lothian, GB;
Alexis Dole, Midlothian, GB;
Uwe Bernhard Pascal Stein, Midlothian, GB;
Onno Kuttler, Groß Buchwald, DE;
Danfoss Power Solutions GmbH & Co. OHG, Neumunster, DE;
Artemis Intelligent Power Ltd., Lothian, GB;
Abstract
A hydraulic pump () comprising: a housing () having first and second inlets () and first and second outlets (); a crankshaft () extending within the housing () and having axially offset first and second cams (); first and second groups () of piston cylinder assemblies provided in the housing (), each of the said groups () having a plurality of piston cylinder assemblies having a working chamber of cyclically varying volume and being in driving relationship with the crankshaft (); one or more electronically controllable valves () associated with the first and second groups (); and a controller () configured to actively control the opening and/or closing of the said electronically controllable valves () on each cycle of working chamber volume to thereby control the net displacement of fluid by the first and second groups (), wherein at least the first group () comprises a first piston cylinder assembly in driving relationship with the first cam () and a second piston cylinder assembly in driving relationship with the second cam (), and wherein the first group is configured to receive working fluid from the first inlet () and to output working fluid to the first outlet () and the second group is configured to receive working fluid from the second inlet () and to output working fluid to the second outlet ().