ELECTRIC BRAKE DEVICE AND METHOD FOR CONTROLLING ELECTRIC BRAKE DEVICE
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United States of America Patent
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N/A
Issued Date -
Mar 13, 2014
app pub date -
May 23, 2012
filing date -
May 24, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A brake actuator converts the rotation of an electric motor into a linear movement to transmit the linear movement to a piston and, by the piston, presses a brake pad against a disc rotor to generate a brake force on a wheel. When a braking operation is finished, a brake control device rotates the electric motor in a direction corresponding to a return direction and detects a rotational position of the electric motor when the brake force is removed. The brake control device further rotates the electric motor in the return direction and restricts the rotation of the electric motor by a lock mechanism after adjusting the rotational position of the electric motor so that the difference between the rotational position when the brake force is removed, and the present rotational position of the electric motor comes into a reference rotational range.
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