Fluid-pressure and analogous brake systems – Speed-controlled – Braking pressure demand or braking force desire
Reexamination Certificate
2007-08-10
2011-10-25
Siconolfi, Robert (Department: 3657)
Fluid-pressure and analogous brake systems
Speed-controlled
Braking pressure demand or braking force desire
C303S167000, C303S003000, C303S020000
Reexamination Certificate
active
08042887
ABSTRACT:
A brake control apparatus for controlling brakes of a vehicle having wheels, the apparatus including a stopped-state detecting portion which detects, based on a speed of at least one of the wheels detected by at least one wheel-speed sensor, a stopped state of the vehicle; an operation-force limiting portion which limits, based on a detection of the stopped state of the vehicle by the stopped-state detecting portion, an operation force of at least one of the brakes, such that an upper limit of the operation force is an intermediate level of an operation-force range used when the stopped state is not detected; a sensor ignoring portion which ignores, when an electric voltage supplied from a power source to the at least one wheel-speed sensor is not higher than a reference value, the at least one wheel-speed sensor; a limitation canceling portion which cancels, when the sensor ignoring portion ignores the at least one wheel-speed sensor, a limitation of the operation force by the operation-force limiting portion; and a rapid-change restraining portion which restrains a rapid change of the operation force caused by a cancellation of the limitation of the operation force by the limitation canceling portion.
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Hanaki Yasushi
Komazawa Masaaki
Yamamoto Takayuki
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Siconolfi Robert
Sy Mariano
Toyota Jidosha & Kabushiki Kaisha
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