| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power steering device capable of exerting an energy saving effect sufficiently. <P>SOLUTION: The power steering device is equipped with a power cylinder 8, a steering valve 9 to control the rate of flow supplied to the power cylinder 8, a hydraulic control mechanism Y to control the rate of flow supplied to the steering valve 9, and a controller C to control the hydraulic control mechanism Y in accordance with an operating situation including a steering angle and steering angular velocity and a running situation including a vehicle speed, etc., wherein the controller C lessens the rate of flow supplied to the power cylinder 8 from the hydraulic control mechanism Y when a condition is determined as applicable to the set energy saving condition on the basis of the operating situation and/or running situation, and further a transmitting mechanism 20 is connected to the controller C, and when an energy saving condition is determined by the controller C, the mechanism 20 displays it or emits an appropriate sound. <P>COPYRIGHT: (C)2003,JPO |
