In order to achieve the above and other objects, the present invention provides that the flow controlling apparatus for the power steering system includes control means to change the transition from {HEAD ~ standby fluid} for waiting to assist {TAIL ~ the steering wheel} to assisting fluid to assist the steering wheel by hydraulic power, in accordance with a steering angular velocity of the steering wheel 
for waiting to assist
In order to achieve the above and other objects , the present invention provides that the flow controlling apparatus for the power steering system includes control means to change the transition from { HEAD ~ standby fluid } for waiting to assist { TAIL ~ the steering wheel } to assisting fluid to assist the steering wheel by hydraulic power , in accordance with a steering angular velocity of the steering wheel
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