The electro-hydraulic steering system for rear axles is a stand-alone power-on-demand system. Up to three or even more rear axle steering systems can be used in one heavy commercial vehicle. A hydraulic cylinder unit is combined with an electronic power unit.
ensures energy-saving steering
and tire wear thanks to additionally steered axle
protects against access from outside
can be used in all drive concepts
The power unit (in the upper part of the illustration) is a combination of electric motor, control unit and pump unit. This controls the steering movement via the directly connected hydraulic cylinder. The interface between steering and vehicle is the CAN-communication and power supply.
Electric motor with ECU
Oil reservoir with pump
Steering cylinder with Integrated linear sensor
Valve system
Max. pressure
Installed length
Operating voltage
Weight
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