Patent ID: 8752908
Filing Date: 2014-06-17
Classification: B60T

Abstract:
1. A parking brake system for a motor vehicle comprising: a parking brake control element; at least two parking brake electromechanical actuators, each parking brake electromechanical actuator being configured for generating a parking brake force at one wheel of the motor vehicle, wherein the parking brake electromechanical actuators are each provided with parking brake wheel electronic systems, and wherein the parking brake control element is connected via a parking brake controller to the parking brake wheel electronic system of a first parking brake electromechanical actuator of the at least two parking brake electromechanical actuators by at least a first parking brake signal line and the parking brake control element is connected to the parking brake wheel electronic system of a second parking brake electromechanical actuator of the at least two parking brake electromechanical actuators by a second parking brake signal line, wherein at least a third parking brake signal line connects the parking brake control element directly to the parking brake wheel electronic systems or to one of the parking brake electromechanical actuators to convey a driver's parking brake request, wherein the third signal line connects the control element directly to the wheel electronic system of each electromechanical actuator and connects the wheel electronic systems to one another to facilitate communication between the wheel electronic systems, wherein the parking brake control element is equipped with at least three parking brake channels, and the parking brake control element outputs a driver's parking brake request in the form of at least three switching information items, and wherein a fourth signal line connects the wheel electronic systems of the electromechanical actuators directly to one another to facilitate communication between the wheel electronic systems, wherein the first, second, third and fourth signals lines are independent from one another.