| 摘要 |
PURPOSE: A power steering system with a stopper valve is provided to easily perform initial setting by corresponding to the maximum rotation angles of different steering wheels. CONSTITUTION: A power steering system(100) with a stopper valve comprises a housing(10), a piston(20), a first stopper valve, a second stopper valve, and a hydraulic control unit(40). The housing has chambers(11a,11b). First and second mounting holes are formed in one and the other surfaces of the chambers. A pipe line(12) for opening the first and second mounting holes is formed in the housing. The piston is loaded in the chambers. The first stopper valve is installed in the first mounting hole and faces with the piston. The second stopper valve is installed in the second mounting hole and faces with the piston. The hydraulic control unit senses the rotational direction of a steering wheel and controls oil flowing into the chambers.
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