Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Construction or agricultural-type vehicle
Reexamination Certificate
2005-02-01
2005-02-01
Nguyen, Thu V. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Construction or agricultural-type vehicle
Reexamination Certificate
active
06850828
ABSTRACT:
A control apparatus includes a target acceleration obtaining device for obtaining a target acceleration of a hydraulic motor based on an operation amount of a lift lever; a torque command value obtaining device for obtaining a torque command value of a hydraulic motor based on the target acceleration; a determining device for determining as a non-regeneration state or as a regeneration state based the torque command value; and a change-over control device for changing over a change-over member so as to couple a lift cylinder to a flow rate control valve when determined as the non-regeneration state, and for changing over the change-over member so as to couple the lift cylinder to a hydraulic pump and making an inverter controller control the hydraulic motor in accordance with the torque command value when determined as the regeneration state.
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Nguyen Thu V.
Nippon Yusoki Co., Ltd.
Sughrue & Mion, PLLC
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