| Patent application number | Description | Published |
|---|
| 20080217118 | Bellows for a Self-Amplifying Electromechnical disc Brake and Disc Brake with Such a Bellows - The invention relates to a bellows for a self-energising electromechanical disc brake. According to the invention, a low deformation force may be achieved by means of a bellows with an elliptical, offset cross-section tapering in one direction and, in opposing circumferential sections of the bellows, the provision of circumferential folds of small curvature and inclined folds along the longitudinal sides of the bellows. | 09-11-2008 |
| 20080217120 | Self-Reinforcing Electromechanical Disc Brake - The invention relates to a self-reinforcing electromechanical disc brake having a brake caliper produced by means of shaping, in one piece with a housing for electromechanical parts of an actuating device of the disc brake, with the housing forming a dimensionally stable hollow body. It is possible in this way to produce a bending-resistant and torsionally rigid brake caliper with a low wall thickness. | 09-11-2008 |
| 20080217121 | Electromechanical Brake - The invention relates to an electromechanical disk brake which has a switchable freewheel in order to be configured as a parking brake. The switchable freewheel includes a clamping roller freewheel having rollers for locking a motor shaft of an electric motor of the brake. A locating bearing of the motor shaft of an electric motor, and the freewheel are accommodated on a cover of a housing of the electric motor, and all the electric connections of the disc brake are routed via the cover. The number of components used can be reduced considerably by the integrated design. Moreover, the positional tolerances of the freewheel in relation to the motor shaft can be reduced with the aid of the invention. | 09-11-2008 |
| 20080261773 | Selective Freewheeling Mechanism and Electromechanical Vehicle Brake Having A Selective Freewheeling Mechanism - The invention relates to a selective freewheeling mechanism for developing an electromechanical vehicle brake (service brake) into a parking brake. The freewheeling mechanism according to the invention has an outer ring and a locking element cage which are configured as an electric motor with a rotor and a stator. The rotor and stator can be swiveled in relation to each other when a coil is supplied with current. Due to a symmetric design, the freewheeling mechanism is advantageously insensitive to acceleration forces. | 10-23-2008 |
| 20080283347 | Electromechanical Friction Brake - The invention relates to a self-energizing electromechanical friction brake includes a self-energizing device provided with, for example, a wedge mechanism. According to the invention, the friction brake is equipped with a linear drive, for example an electromagnet, for brake actuation. The self-energizing device converts a friction force exerted by a rotating brake body on a friction brake lining during braking actuated by the linear drive of an actuation device into a second contact pressure that presses the friction brake lining against the brake body in addition to the first contact pressure exerted by the actuation device. The self-energizing device provides a non-proportional characteristic magnetic force curve of the electromagnet of the linear drive. | 11-20-2008 |
| 20080296102 | Self-Amplifying Electromechanical Partial Lining Disc Brake - The present invention relates to a self-amplifying electromechanical partial lining disc brake, having a ramp mechanism as a self-amplification device. According to the invention, a rack for driving a friction brake pad is situated between roller elements of the ramp mechanism, particularly at a geometrical centroid of an imaginary surface defined by the roller elements. As a result a load is distributed to the roller elements in a more uniform fashion and the pressing force of the friction brake pad against a brake disc when the partial lining disc brake is actuated is distributed more uniformly and counteracts irregular pad wear. | 12-04-2008 |
| 20090194385 | Positive-Fit Freewheel Mechanism That Can Be Electromechanically Actuated, Electromechanical Brake With A Freewheel Mechanism Of This Type For A Motor Vehicle and Method For Adjusting The Play In A Brake Of This Type - The invention relates to an electromechanically switchable form-locking freewheel mechanism for preventing an electromechanical brake from releasing. According to the invention, the freewheel mechanism is embodied in the form of an electric motor in which a pivot angle of the armature is limited, the armature is counterbalanced and has a locking element that cooperates with a gear. The invention permits a compactly designed freewheel mechanism that can be integrated into an electromechanical actuating unit of the electromechanical brake. The counterbalancing of the armature equipped with the locking element prevents external accelerations of the freewheel mechanism of the kind that can occur during driving operation of a motor vehicle from exerting a moment on the armature that could switch off the freewheel mechanism. A method for adjusting the clearance of an electromechanical brake is also provided. | 08-06-2009 |
| 20100193298 | SELF-AMPLIFYING ELECTROMECHANICAL FRICTION BRAKE - The invention relates to a self-amplifying electromechanical disc brake, having a friction brake lining, which is able to move on a helical path and having a rack-and-pinion mechanism for moving the friction brake lining and for actuating the disc brake. According to the invention, a rack of the rack-and-pinion mechanism is connected to the friction brake lining in articulating fashion and in the region of a pinion, an abutting support keeps the rack engaged with the pinion, with play, thus permitting the rack to pivot in order to compensate for the helical movement of the friction brake lining. | 08-05-2010 |
| 20100243387 | ELECTROMECHANICAL FRICTION BRAKE - The invention relates to an electromechanical friction brake, for example in the form of a disc brake having an electromechanical actuation device. The electric motor of the actuation device presses a frictional brake lining against a brake disc by means of a reduction gearbox and a ball ramp mechanism. The actuation device is supported by a spring washer that is pretensioned so strongly that when the disc brake is released it acts on a segment with a falling spring characteristic; that is, a spring force exerted by the spring washer on the frictional brake lining increases with increasing tension of the disc brake. | 09-30-2010 |
| 20100258386 | SELF-BOOSTING DISK BRAKE - The invention relates to a self-reinforcing, in particular electromechanical disk brake having a wedge mechanism as the self-boosting device, for example. The invention proposes that the actuating device be attached to a separate holder, which does not have forces or torques of the wedge mechanism applied thereto. | 10-14-2010 |
| 20110174581 | BRAKE CALIPER FOR A DISK BRAKE - The invention relates to a brake caliper of an electromechanical disk brake. According to the invention, in order to measure a widening of a brake caliper when the brake is activated, a rod-shaped holder which is clamped on one side, is arranged in a cavity in a yoke of the brake caliper, perpendicular to a brake disk and a movement of the free end of the holder is measured, for example by means of a magnetic sensor. The widening of the brake caliper is a measurement for the clamping force when the brake disk is actuated. | 07-21-2011 |
| 20120073922 | Method for controlling a brake system of a motor vehicle and a brake system for a motor vehicle - A brake system for a motor vehicle and a related method includes a hydraulic service brake system, having a brake booster and is operable via a brake operating element, an electric machine, operable as a generator to brake the motor vehicle, and an electromechanical braking device. A setpoint braking torque is determined as a function of a brake pedal travel. The hydraulic service brake system has an idle travel between the brake operating element and a master brake cylinder, in which no braking torque is generated by the vehicle brake system. In the range of the idle travel, the setpoint braking torque is generated by the generator and/or the electromechanical braking device, and a portion of the electromechanical braking device in the setpoint braking torque is modulated as a function of a portion of the generator in the setpoint braking torque so that variations of the generator portion are compensated. | 03-29-2012 |
| 20120097490 | Retaining Bolt - A retaining bolt for attaching a brake caliper to a support is attached. The retaining bolt is hollow and includes a retaining element which is fixed on one side in a cavity of the retaining bolt, supporting a permanent magnet on a free end. When the retaining bolt is moved due to an external load, the permanent magnet moves in the cavity of the retaining bolt and the modification of the magnetic field thus produced can be measured by a magnetic sensor. The retaining bolt allows the braking power of the disk brake to be measured. | 04-26-2012 |
| 20130134771 | CONTROL DEVICE FOR A BRAKING SYSTEM OF A VEHICLE, BRAKING SYSTEM FOR A VEHICLE, AND METHOD FOR OPERATING A BRAKING SYSTEM OF A VEHICLE - A control device for a braking system of a vehicle is provided, having a first receiving device which receives a provided brake activation intensity variable, a plunger control device which determines a setpoint fill level variable of a plunger, taking into account at least the received brake activation intensity variable, and a corresponding plunger control signal is outputtable so that a ratio of an actual volume and a maximum fillable volume of a storage volume of the plunger is settable corresponding to the determined setpoint fill level variable. For a brake activation intensity variable corresponding to a predefined non-activation intensity variable, the plunger control device determines a fill level variable different from an empty state as the setpoint fill level variable, and outputs a plunger control signal corresponding to the determined setpoint fill level variable to the plunger such that the plunger is at least partially filled. | 05-30-2013 |
| 20130333552 | DEVICE FOR RECEIVING AND DISPENSING HYDRAULIC FLUID, IN PARTICULAR FOR A HYBRID OR ELECTRIC VEHICLE, AND BRAKING SYSTEM FOR A HYBRID OR ELECTRIC VEHICLE - A device is described for receiving and dispensing hydraulic fluid, in particular for a hybrid or electric vehicle, having a cylinder, a piston, which is movable in the cylinder for receiving and dispensing hydraulic fluid, and a drive unit; a ramp mechanism being provided, having at least one ramp on which at least one rolling element rolls for moving the piston, the ramp mechanism being situated between a face of the piston and a face of a gearwheel driven by the drive unit. | 12-19-2013 |
| 20140214297 | METHOD FOR BRAKING INTENTION DETECTION, DEVICE FOR BRAKING INTENTION DETECTION FOR A BRAKING SYSTEM OF A VEHICLE, AND SENSORS FOR A BRAKING SYSTEM OF A VEHICLE - A method for detecting a braking intention in a vehicle includes: establishing at least one setpoint braking power for the braking intention specified by a driver and/or an automatic vehicle control system; and taking at least one ascertained sensor variable into consideration. The sensor variable includes: a variable regarding a position and/or an adjustment travel of an output rod of the braking system, a position and/or an adjustment travel of a booster body of the braking system, a position and/or an adjustment travel of a timing case of the braking system, a position, an adjustment travel and/or a rotation angle of a component of a motor of an electromechanical brake booster, a position, an adjustment travel and/or a rotation angle of a component of a thread of the brake booster, and/or a shape and/or a deformation of a reaction disk of the braking system. | 07-31-2014 |
| 20140306514 | BRAKING SYSTEM FOR A VEHICLE AND METHOD FOR OPERATING THE BRAKING SYSTEM - A braking system for a vehicle includes: a brake input element for an actuation to input a brake pressure signal by a driver; a brake master cylinder coupled to the brake input element and supplied with hydraulic fluid from a hydraulic fluid reservoir fluidically connected to the brake master cylinder; and a first brake circuit. The first brake circuit has: a switchover valve with controllable through flow rate for the hydraulic fluid; a pressure regulating valve with controllable through flow rate for the hydraulic fluid; a hydraulic pump for optionally building up an elevated hydraulic fluid pressure in the first brake circuit; at least one first wheel brake cylinder exerting a braking torque on a first vehicle wheel coupled to the wheel brake cylinder; and a first fluid line from the hydraulic fluid reservoir being fluidically connected to the pressure regulating valve and to the hydraulic pump. | 10-16-2014 |
| 20140345986 | METHOD FOR SETTING A HYDRAULIC VEHICLE BRAKE - A method for operating a vehicle brake having a brake servo unit and a parking brake actuator. In the case of a failure of the brake servo unit, the distance between brake linings of the vehicle brake and brake disk is reduced by actuating the parking brake actuator. | 11-27-2014 |
