| 摘要 |
PURPOSE:To facilitate the setting of the steering characteristic by installing a pressure adjusting valve which senses the hydraulic pressure supplied into a front-wheel steering actuator and proportionally controls the hydraulic pressure supplied into a rear-wheel steering actuator. CONSTITUTION:The pressure chambers 12A and 12B of a power cylinder 12 as rear-wheel steering actuator are connected to the pressure chambers 4A and 4B of a power cylinder 4 on the front-wheel side through parallel circuits 13A and 13B. In order to adjust the pressure introduced into the rear wheel side from the front wheel side, a pressure adjusting valve 15 is installed, positioned on the downstream side of an orifice 14. The spool 18 of the pressure adjusting valve 15 controls the opening degree of a bypass passage 22 which short-circuits the circuits 13A and 13B. |
