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Hydraulic Pressure Control Apparatus Having Device for Estimating Amount of Fluid in Reservoir to Which the Fluid is Discharged to Reduce Cylinder Pressure
Hydraulic Pressure Control Apparatus Having Device for Estimating Amount of Fluid in Reservoir to Which the Fluid is Discharged to Reduce Cylinder Pressure
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机译:液压控制装置,其具有用于估计储液器中的流体量的装置,该流体被排放到该储液器中以降低缸压
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摘要
A vehicle brake cylinder pressure control apparatus wherein an amount of fluid flow into a reservoir (44) is estimated based on vehicle deceleration and a pressure reducing time of the brake cylinder, while an amount of fluid flow from the reservoir is estimated based on a pumping time during which the fluid is pumped up from the reservoir by a pump (38), and the vehicle deceleration or an operating speed of a pump motor (52), so that an amount of the fluid stored in the reservoir is estimated on the basis of the amounts of the flow flows into and from the reservoir. Various parameters may be used in place of the vehicle deceleration, pumping time and motor operating speed, for estimating the amounts of the fluid flow into and from the reservoir and the reservoir fluid amount. IMAGE
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