Appeal 2007-0756
Application 10/652,853
Appellants’ claimed invention is directed to a braking apparatus
capable of performing skidding control and traction control of a vehicle
(Specification 1). Claim 1 is illustrative of the claimed subject matter and
reads as follows:
1. A braking apparatus for a vehicle comprising:
a hydraulic braking pressure control
apparatus disposed on a metallic base, the
hydraulic braking pressure control apparatus
including:
control valve units for switching among a
state where hydraulic passages to access a master
cylinder are communicated with wheel brakes
while the wheel brakes are interrupted from
reservoirs, a state where the hydraulic passages are
interrupted from the wheel brakes while the wheel
brakes are communicated with the reservoirs, and a
state where the wheel brakes are interrupted from
the hydraulic passages and the reservoirs;
pumps for discharging a brake fluid reserved
in the reservoirs to the hydraulic passages;
suction valves provided between the master
cylinder and suction ports of the pumps; and
regulators normally communicating the
master cylinder with the hydraulic passages,
interrupting the master cylinder from the hydraulic
passages when the suction valves are open and
letting the hydraulic pressure of the hydraulic
passages escape into the master cylinder as the
hydraulic pressure of the hydraulic passages
exceeds a predetermined value;
wherein the suction valves are disposed on
the base in positions closer to the suction ports of
the pumps than the control valve units and the
regulators, and the regulators are disposed on the
2
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