Class / Patent application number | Description | Number of patent applications / Date published |
701076000 | Fail-safe system | 12 |
20080275617 | Method for Calculating the Low Pressure in the Servobrake of a Vehicle Comprising an Otto Engine - The subject of the invention concerns at least a method for the determination, without a pressure sensor, of a pressure in a brake booster actuated with an actuator for a motor vehicle with engine system including an inlet pipe subjected to inlet pipe pressure, for optimized performance of a braking operation, including the steps of: detecting the driving situation and simulating the pressure (BP_SIM) as a function of the driving situation, and a device for boosting the brake pressure in an Otto engine-driven motor vehicle with an actuator and a vacuum-dependent pressure-boosting device coupled to the actuator, wherein the pressure-boosting device is designed without a vacuum sensor, and a brake booster, with means for carrying out the method. | 11-06-2008 |
20090287388 | System for controlling a vehicle driving downhill - A system for a hill descent control in the braking equipment of a motor vehicle comprising an electrically controllable service brake system, which is designed both for an anti-locking control function and for a braking function irrespective of actuation by the driver, a brake actuator which permits an individual adjustment of the braking pressures or braking moments generated for the individual wheels of a motor vehicle, which are the respective manipulated variables controlled by the hill descent control, an electronic control unit being provided for the electronic control and/or regulation which directly or indirectly detects variables related to operating conditions of the motor vehicle and adjusts additional braking moments when driving on steeply inclined roads, irrespective of whether a brake pedal is actuated. | 11-19-2009 |
20090306872 | METHOD FOR COMPENSATING FOR NORMAL FORCES IN ANTILOCK CONTROL - A method for controlling an antilock brake system on a vehicle, the method comprising calculating a prediction of tire normal forces and modifying a brake torque applied to a brake based on the predicted tire normal forces. The prediction of tire normal forces may be calculated using predicted longitudinal forces or estimates of longitudinal forces that are obtained by predicting a master-cylinder pressure. | 12-10-2009 |
20100036577 | BRAKING APPARATUS AND METHOD FOR CONTROLLING BRAKING APPARATUS - A braking apparatus includes a hydraulic brake device that generates pressure braking-force by wheel cylinder pressure, the hydraulic brake device including a master cylinder for exerting a master cylinder pressure on a brake oil according to a manipulation force generated by the manipulation of a brake pedal by a driver, a brake booster for assisting the manipulation force by a negative pressure generated by an internal combustion engine, and a negative pressure sensor for detecting the negative pressure of the brake booster, and a regenerative braking device for generating a regenerative braking-force by performing regenerative braking. The regenerative braking device generates a regenerative braking when the detected negative pressure is lower than a reference negative pressure to be greater than when the detected negative pressure is the reference negative pressure. The uncomfortable feeling felt by the driver in manipulating the brake is suppressed, and the fuel consumption is enhanced. | 02-11-2010 |
20100082213 | CONTROL SYSTEM AND METHOD FOR A PARKING BRAKE MECHANISM - A method of applying a parking brake mechanism for a foundation brake includes several steps. The parking brake mechanism incorporates an electric actuator, an extensible device drivably connected to the electric actuator, and a resilient device arranged to act on the extensible device and maintain a desired level of force to be applied by the parking brake mechanism in the event of contraction of components of the foundation brake. The method includes the steps of signaling application of a service brake actuator to apply the brake, signaling driving of a first electric actuator to cause the extensible device to be able to retain the foundation brake in the brake applied position achieved by the service brake actuator, signaling the release of the service brake actuator, signaling driving of a second electric actuator to further compress the resilient element, monitoring a characteristic of the brake to determine if a desired force has been applied by the parking brake mechanism, and signaling driving of the electric motor to stop once the desired force has been reached. | 04-01-2010 |
20100168978 | Vacuum Brake Booster and Method for the Operation Thereof - A vacuum brake booster and a method of operation of a vacuum brake booster of a vehicle brake system is disclosed. The vacuum brake booster includes a housing subdivided into at least one vacuum chamber and at least one working chamber. The vacuum chamber is connected to a vacuum source by way of a vacuum port. A sensor unit is associated with the vacuum chamber and is configured for sensing a pressure in the vacuum chamber and supplying a sensed pressure value to an electronic control unit (ECU). The ECU includes an evaluating unit for evaluating the sensed pressure value and calculating the operating point of the vacuum brake booster solely on the basis of the sensed pressure in the vacuum chamber. Plausibilisation of the sensed pressure value is performed to monitor the overall system and identify defects of the sensor unit or the vacuum brake booster. | 07-01-2010 |
20100168979 | DETERMINATION OF THE AIR PLAY IN A BRAKE WITH TWO DIRECTIONS APPLICATION DEVICES - In a method for determining an electrical operating variable, in particular the air play (L) and/or zero position (N) of a brake ( | 07-01-2010 |
20100274458 | ELECTRIC BRAKE ARCHITECTURE WITH DISSIMILAR EMERGENCY BRAKING PATH - A system, apparatus and method provide a means for controlling an electric brake actuator. An electromechanical actuator controller (EMAC) is configured to receive first data indicative of a desired braking force, second data indicative of a braking command generated by a brake input device, the second data different from said first data, and third data indicative of a braking mode. Based on the third data, the EMAC selectively uses the first data or the second data to control the actuator. | 10-28-2010 |
20130184957 | METHOD FOR CONTROLLING A BRAKE SYSTEM OF A VEHICLE WITH AN ELECTRONICALLY RGULATED REAR-AXLE BRAKE CIRCUIT AND AN PNEUMATICALLY CONTROLLED FRONT-AXLE BRAKE CIRCUIT - A method for controlling a brake system, which has pressure medium-activated wheel brakes and is at least partially electronic, and which is in a vehicle that includes at least two axles, including generating brake pressures for the wheel brakes on an axle in a pressure-controlled manner, and electronically regulating the brake pressures for the pressure medium-actuated wheel brakes on at least one further axle in terms of a brake pressure regulation for adjusting an actual brake pressure to a desired brake pressure. A related braking system device is also described. | 07-18-2013 |
20140032076 | METHOD OF MAINTAINING OPTIMAL BRAKING AND SKID PROTECTION FOR A TWO-WHEELED VEHICLE HAVING A SPEED SENSOR FAILURE ON A SINGLE WHEEL - The method of maintaining optimal braking and skid protection for a two-wheeled vehicle wheel with a wheel speed sensor failure involves providing pulsed braking pressure to the affected wheel with the wheel speed sensor failure. If an incipient or initial skid on another wheel with a functioning wheel speed sensor has occurred, the pulsed braking pressure to the affected wheel is limited to the brake pressure command that caused the last incipient or initial skid on the other wheel, scaled by a factor for safety. Otherwise the pulsed braking pressure to the affected wheel is limited to be no greater than the greatest commanded brake pressure to the other wheel. The pulsed braking pressure is also limited to be less than the brake pressure commanded to the affected wheel. | 01-30-2014 |
20160114779 | Method for furnishing a sensor in the braking system in a vehicle - A method for furnishing a sensor signal in a braking system, in which in the event of a failure of the brake control unit signal transfer is switched over and the signal is transmitted to a further control unit. | 04-28-2016 |
20160144840 | Method And Device For Generating An Emergency Braking Signal For A Vehicle And Method For Initiating A Vehicle Emergency Braking Procedure - A method for generating an emergency braking signal for a vehicle is proposed. The vehicle has a main brake system and a drive system thereby. The method is characterized by a step for detecting a vehicle emergency, representing a reduced or impaired braking effect of the main brake system, using at least one sensor signal that has been read in, and a step for generating the emergency braking signal as a function of the detected vehicle emergency. The main brake system, the drive system, a supplementary brake system and/or at least one further on board installation of the vehicle can be activated by means of the emergency braking signal thereby, in order to cause or support an emergency braking procedure of the vehicle. | 05-26-2016 |