Electrohydraulic by-wire steering system for vehicle, has hydraulic pump motor supplied with hydraulic medium in normal operation of hydraulic pump by hydraulic control block in sense of generation of specific hand moment at steering handle

摘要

The system has a hydraulic pump motor (2) mechanically coupled with a steering handle (1) of a driver and producing hydraulic pressure for admission of hydraulic servo cylinders (9a, 9b) in an emergency operation. The motor is supplied with a hydraulic medium in a normal operation of a hydraulic pump (11) by a controlled hydraulic control block (10) in the sense of a generation of specific hand moment at the steering handle.