Industrial vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Sep 5, 2019
app pub date -
Jun 16, 2016
filing date -
Jun 16, 2016
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
An industrial vehicle includes a holding portion for holding a load, a raising/lowering portion for raising/lowering the holding portion, a control valve for controlling the amount of hydraulic oil supplied to or discharged from the raising/lowering portion, and a control device for supplying an energizing current to the control valve. The control device includes a speed calculation unit for calculating first and second speed command values for an ascending/descending speed, a current calculation unit for calculating first and second current command values for the energizing current, and a current supply portion for supplying first and second energizing currents to the control valve, thereby offsetting a first vibration generated in the load upon start of supplying the first energizing current, by a second vibration generated in the load upon start of supplying the second energizing current.
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Cited Art Landscape
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