ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,770, issued on Dec. 2, was assigned to DANFOSS POWER SOLUTIONS GMBH & Co. OHG (Neumunster, Germany).
"Hydraulic control circuit for a hydraulic motor" was invented by Chris Shrive (Bridge of Allan, Great Britain), Christian Feller (Handewitt, Germany) and Matthias Liermann (Neumunster, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic control circuit for a hydraulic motor operable at least at two displacements, having a proportional speed control valve with a control valve spool continuously moveable by means of a force generated by a pilot pressure being controlled by a continuously, electrically adjustable pilot valve having an ele...