Vehicle motion control apparatus

Details Vehicle motion control apparatus Vehicle motion control apparatus

2011-01-18

2011-01-18

Rodriguez, Pam (Department: 3657)

Fluid-pressure and analogous brake systems

With pump

Pressure control

C303S113400, C303S146000, C303S166000

Reexamination Certificate

active

07871135

ABSTRACT:
This apparatus is applied to a vehicle brake apparatus provided with a hydraulic booster operated by utilizing an accumulator hydraulic pressure that is adjusted to a predetermined high pressure (not less than a lower limit value) by a drive control of a hydraulic pump. This apparatus executes an automatic pressurization control by controlling plural solenoid valves with the use of the accumulator hydraulic pressure. The increasing slope of the brake hydraulic pressure during the automatic pressurization control is determined on the basis of the vehicle motion state. The increasing slope is restricted to be not more than a predetermined restriction value, in the case where the accumulator hydraulic pressure at the time of starting the automatic pressurization control is less than “a reference hydraulic pressure that is greater than a minimum value of the accumulator hydraulic pressure necessary for assisting the brake operation by the hydraulic booster and smaller than the lower limit value”.

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Office Action issued by the German Patent Office in corresponding German Patent Application No. 10 2006 000 225.3-21 dated Jun. 29, 2010 and an English language translation of Office Action.
Japanese Office Action dated Sep. 22, 2010 issued in the corresponding Japanese Patent Application No. 2006-065092 and partial English-language translation.

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