Control system for a work machine and method for controlling...

Details Control system for a work machine and method for controlling... Control system for a work machine and method for controlling...

2011-03-15

2011-03-15

Nguyen, Tan Q (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Electric vehicle

C701S041000, C701S050000, C060S327000

Reexamination Certificate

active

07908048

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.

REFERENCES:
patent: 6502393 (2003-01-01), Stephenson et al.
patent: 7089733 (2006-08-01), Jackson et al.
patent: 2004/0055289 (2004-03-01), Pfaff et al.
patent: 2005/0066655 (2005-03-01), Aarestad et al.
patent: 1571352 (2005-09-01), None
International Search Report from corresponding International Application No. PCT/SE2007/000039.
International Preliminary Report on Patentability from corresponding International Application No. PCT/SE2007/000039.

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