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:
May. 09, 2023
Filed:
Mar. 18, 2015
Danfoss Power Solutions Inc., Ames, IA (US);
Kevin Ligenfelter, Nevada, IA (US);
Gary LaFayette, Saint Joseph, MI (US);
Danfoss Power Solutions Inc., Ames, IA (US);
Abstract
A pump control system, comprising: a motor () configured to drive a pump (); a pressure relief valve () in fluid communication with the pump (); a torque control valve () connected to a swashplate of the pump () and in fluid communication with the pressure relief valve (); a swashplate angle sensor () connected to the swashplate (); and a computer () connected to the swashplate angle sensor () and the pressure relief valve () wherein the computer () controls the pressure relief valve () based upon swashplate displacement to achieve maximum system pressure. The corresponding method of controlling is also disclosed.