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. 15, 2011
Filed:
Jan. 16, 2007
BO Vigholm, Stora Sundby, SE;
Markku Palo, Eskilstuna, SE;
Bo Vigholm, Stora Sundby, SE;
Markku Palo, Eskilstuna, SE;
Volvo Construction Equipment AB, Eskilstuna, SE;
Abstract
A control system for a work machine is provided, which system includes an electric machine, a hydraulic machine and at least one hydraulic cylinder. The electric machine is connected in a driving manner to the hydraulic machine. The hydraulic machine is connected to a piston side of the hydraulic cylinder via a first line and a piston-rod side of the hydraulic cylinder via a second line. The hydraulic machine is adapted to be driven by the electric machine and supply the hydraulic cylinder with pressurized hydraulic fluid from a tank in a first operating state and to be driven by a hydraulic fluid flow from the hydraulic cylinder and drive the electric machine in a second operating state.