| 摘要 |
PURPOSE:To permit the tuning with high precision and realize the steering characteristic corresponding to the speed by simplifying the tuning of the steering characteristic of a power steering device, and realize the steering characteristic corresponding to car speed. CONSTITUTION:A power steering device is equipped with a servovalve which consists of a direction selecting valve 23 for selection-controlling the pressurized oil feeding direction to a power cylinder 3 according to the steering direction and a spool valve 24 which controls the hydraulic pressure supplied into the power cylinder by arranging the fixed throttles 47A and 47B having each set throttle opening degree, at an intake port. |
