PARKING BRAKE CONTROL DEVICE
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United States of America Patent
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N/A
Issued Date -
Jun 23, 2011
app pub date -
Aug 27, 2009
filing date -
Sep 1, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
[Problem] A parking brake control device can ensure required braking force and reliably allow release even if an automatic pressurization function that increases a W/C pressure is malfunctioning, regardless of operation of a brake pedal.[Solution] If an ESC is malfunctioning when a locking control or a releasing control of a parking brake is being performed, a depression request for a brake pedal is output to a driver. As a result, when the ESC is malfunctioning, namely, even if an automatic pressurization function of a service brake is malfunctioning, a W/C pressure can be increased by the driver depressing the brake pedal. Thus, it is possible to ensure required braking force at times when the locking control is being performed, and also possible to reliably release when the releasing control is being performed.
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