HANDLING VEHICLE, CALCULATING THE SPEED OF THE MOVING ASSEMBLY ACCORDING TO THE LIFTING MECHANISM ENGINE SPEED Russian patent published in 2017 - IPC B66F9/22 B66F9/24 

FIELD: transportation.

SUBSTANCE: handling vehicle comprises: a support structure including a stationary unit, a movable assembly connected to the support structure, a hydraulic system (401) and a controller (1500). The supporting structure further comprises a lifting device (400) for moving the movable unit relative to the stationary part support structure. The lifting device comprises at least one plunger cylinder unit. The hydraulic system includes an engine (301), a pump (302) connected to the motor to supply fluid under pressure to at least one plunger cylinder unit and at least one valve with electronic control, associated with at least one plunger cylinder unit, the control device may calculate the speed of the movable unit based on the engine speed, and control the operation of at least one valve using the calculated speed of the movable unit.

EFFECT: increased reliability of the said vehicle.

24 cl, 15 dwg