Method and Device for Tightening a Hydraulic Parking Brake
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United States of America Patent
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Issued Date -
Feb 11, 2010
app pub date -
Sep 27, 2006
filing date -
Sep 30, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and a device for tightening a hydraulic parking brake are disclosed. In the method, a tightening force is generated in a first step by creating a hydraulic pressure in a parking brake circuit. To this end, a pressure generating unit driven by an electric motor is used. In a subsequent step, at least one motor-related parameter which permits a conclusion about the hydraulic pressure prevailing in the parking brake circuit is detected. Subsequently, an activation of a tightening force assistance device takes place depending on the detected motor-related parameter and without the necessity of providing a pressure sensor.
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