| 摘要 |
<p>An electro-hydraulic steering device (1) is configured such that the hydraulic circuit is configured as a closed circuit and such that the steering device (1) adopts: an electric motor (10) capable of rotating in both directions; and a hydraulic pump (12) adapted so that the direction and amount of discharge of hydraulic oil from the hydraulic pump (12) are controlled according to the direction and speed of rotation of the electric motor. The electro-hydraulic steering device (1) also comprises: a pressure accumulation circuit (40) which is connected to one hydraulic circuit (30) and to the other hydraulic circuit (32) and which supplies the deficiency of the hydraulic oil to the hydraulic circuits (30, 32); and one return circuit (62) and the other return circuit (64) which each connect the pressure accumulation circuit and a return-side hydraulic circuit.</p> |
