| 摘要 |
<p>A hydraulic power steering system for use in a vehicle to eliminate energy waste when power assist is not required is disclosed. The hydraulic power steering system (10, 20) includes a pulley (12) powered by a crankshaft in the vehicle, a clutch (16) operably connected to the pulley, a hydraulic pump (14) operably connected to the clutch, and controlling means (18; 34, 36) for engaging and disengaging the clutch (16) with the pulley (12) and the hydraulic pump (14) to provide hydraulic power to the system. It also includes a hydraulic accumulator (22) to provide system pressure for short periods before the pump clutch can engage in response to a steering input.</p> |
