| 摘要 |
A power steering system includes a double-acting power cylinder ( 16 ) having a four-way valve ( 20 ) for controlling steering direction. An accumulator ( 26 ) stores pressurized fluid that is controllably supplied to the four-way valve ( 20 ) by an electronically controlled three-way valve ( 28 ) based upon an applied torque measured at a steering wheel ( 12 ).
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