Appeal No. 1999-0933 Page 4
Application No. 08/512,396
to a state in which brake fluid is expelled from the wheel cylinder to the intake side of
the pump (e.g., 60) through said discharge conduit and moreover driving said pump
so that brake fluid in a wheel cylinder side is returned to said master cylinder side, at
a time of termination of control of motion characteristics of said vehicle by said
vehicle motion characteristics controlling means. According to the examiner, the
automotive brake fluid pressure control apparatus of Willmann includes a control
device (52) therein that is responsive to appellants’ termination controlling means and
performs the claimed function.
Highlighting the disclosure of Willmann bridging pages 11 through 12, the
examiner notes that this reference indicates that upon completion of an anti-slip
control operation
the pressure medium supplied to the wheel brake 8 for the build-up
of brake pressure is returned to the master brake cylinder 3. The
control device 52 switches the valves into their original position
and completes the pump operation.
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