| 摘要 |
PURPOSE: A hydraulic hose and a hydraulic power assist steering system of a vehicle using the same are provided to offer pleasant steering feel to a driver by reducing the noise and vibration transferred to a steering wheel. CONSTITUTION: A hydraulic hose comprises: a pulsation absorption layer(310) formed in the foam shape having many pores and formed to increase the weight density from the inner circumference to the outer circumference; a first reinforcement layer(315) formed on the outer circumference of the pulsation absorption layer and formed to make the central axis and the layered yarn braided at an angle of 40~49 degrees; an intermediate layer formed on the outer circumference of the first reinforcement layer; a second reinforcement layer formed on the outer circumference of the intermediate layer and formed to make the central axis and the layered yarn braided at an angle of 53~65 degrees; and a sheath layer formed on the outer circumference of the second reinforcement layer. |
