Patent application number | Description | Published |
20080210498 | Self-Applying Disc Brake - A self-energizing disc brake having an electric actuator in which an activation force applied to the actuator is amplified using a self-energizing device arranged between the actuator and brake lining is described. The device has a brake application unit for applying at least one brake lining to one side of a brake disc by carrying out an application movement of the brake lining relative to the brake disc, the application movement having at least a first movement component in a direction parallel to a rotational axis of the brake disc and a second movement component in a direction tangential to the rotational axis of the brake disc. The device also has at least one electromotive drive for activating the brake application unit. | 09-04-2008 |
20080264737 | Self-Energizing Disc Brake with Brake Pad Stabilization - A self-energizing disc brake includes a brake caliper or frame, the application device for applying at least one brake at least one brake pad unit, and at least one electromotive drive as an actuator for actuating the application device. The application device also has two or more brake plungers, wherein the two brake plungers are connected to one another by a connecting plate. At least one or more ramp arrangements is/are formed in the region adjacent to the brake plungers between the brake pad unit and the connecting plate. | 10-30-2008 |
20090045018 | Self-Energizing Disc Brake with an Electromechanical Actuator - A disc brake is provided having an electromechanical actuator, which is designed as an electric motor, for actuating a brake application device for applying the brake, which disc brake has a self-energizing device, characterized in that the electric motor acts directly or via a gearing on a rotary lever which acts on at least one brake piston which moves a brake pad parallel to the brake disc rotational axis, which brake pad is moveable both in the direction parallel to the brake disc rotational axis and also parallel to the brake disc friction face. | 02-19-2009 |
20090152054 | Method for Determining the Coefficient of Friction of Disk Brakes - A method for determining the friction value of a disk brake, in particular of self-energizing disk brakes, in which the friction value is determined on the basis of the: motor current for the application direction and retraction direction, idle current I | 06-18-2009 |
20090188761 | Electromechanically Actuable Disc Brake with Actuating Plunger - A self-boosting electromechanically actuable disc brake, having an application device for applying the brake pad, which application device has a rotary brake lever and a self-boosting device, wherein the rotary brake lever acts on an actuating plunger which acts on the application-side brake lining directly or via a pressure plate, is characterized in that the actuating plunger is pivotably mounted on the rotary brake lever and on the pressure plate or the application-side brake lining with an intersecting rotational axis. | 07-30-2009 |
20090192690 | Self-energizing disk brake and control method for a self-energizing brake - A method for controlling a self-energizing disc brake having an electric actuator in which an activation force applied to the actuator is amplified using a self-energizing device arranged between the actuator and brake lining is described. The method has a brake application unit for applying at least one brake lining to one side of a brake disc by carrying out an application movement of the brake lining relative to the brake disc, the application movement having at least a first movement component in a direction parallel to a rotational axis of the brake disc and a second movement component in a direction tangential to the rotational axis of the brake disc. The method includes also controlling at least one electromotive drive for activating the brake application unit. Rotation of the shaft of the electromotive drive is converted to a non-linear displacement of the brake pad in the tangential direction. | 07-30-2009 |
20090194377 | Electromechanically Actuated Disc Brake with Guide Plate - A self-boosting electromechanically actuable disc brake is characterized in that a component (pressure piston | 08-06-2009 |
20090200120 | Self-energizing disk brake and control method for a self-energizing brake - A self-energizing disk brake having an electric actuator in which an activation force applied to the actuator is amplified using a self-energizing device arranged between the actuator and brake lining is described. The device has a brake application unit for applying at least one brake lining to one side of a brake disc by carrying out an application movement of the brake lining relative to the brake disc, the application movement having at least a first movement component in a direction parallel to a rotational axis of the brake disc and a second movement component in a direction tangential to the rotational axis of the brake disc. The device also has at least one electromotive drive for activating the brake application unit. Rotation of the shaft of the electromotive drive is converted to a non-linear displacement of the brake pad in the tangential direction. | 08-13-2009 |
20090205911 | Self-Energizing Disk Brake - A Self-energizing disk brake having an electric actuator for applying an actuating force is described. The brake has a self-energizing device for boosting the electric actuator, arranged between the actuator and the brake lining, and a brake application unit for applying at least one brake lining to one side of a brake disk. The application movement of the brake lining to the brake disk is resolvable into at least one parallel movement component and at least one movement component extending one of tangentially and perpendicularly relative to the brake disk rotational axis. The brake also includes at least one electric motor drive for actuating the brake application unit, which has a crank with a crank pin extending parallel to the brake disk axis and serving to move the brake lining unit tangentially with respect to the brake disk, parallel to the friction face of the brake disk. | 08-20-2009 |
20090260928 | Disc Brake, In Particular for a Utility Vehicle - A disc brake for a utility vehicle, having a brake caliper which encompasses a brake disc and which is fastened, so as to be axially movable in relation to the brake disc, to a positionally fixed brake carrier by means of two fastening elements, wherein the fastening elements have in each case one guide bar which is fixedly connected to the brake carrier, of which guide bars, for the axial mobility of the brake caliper, one in guided in a plain bearing which is designed as a fixed bearing and the other is guided in a plain bearing which is designed as a floating bearing, wherein at least the floating bearing has a guide sleeve, which engages around the guide bar and which is connected to the brake caliper so as to be fixed in terms of movement, with an elastomer bearing sleeve, and the guide bar is covered, on its end side facing away from the brake disc, by means of a cap, is designed such that the cap, while covering the guide sleeve at the end side, is fastened at least in one axial partial region to the elastomer bearing sleeve. | 10-22-2009 |
20090321195 | DISK BRAKE - A pneumatic disc brake for utility vehicles has two brake pad carrier plates to which brake pads are fixed. The disc brake is equipped with an application device which has two pressure plungers. By way of a force-absorbing connection between the pressure plungers and the facing surface of the brake pad carrier plate, a bridge is relieved of bending stresses. The end faces of the pressure plungers and at least the contact faces of the facing brake pad carrier plate are provided with profilings, which engage into one another in a form-fitting manner, such that at least in the event of full-load braking, each brake pad is moved in the peripheral direction. | 12-31-2009 |
20100000828 | Disc Brake, Particularly for a Commercial Vehicle - A disc brake, particularly for a commercial vehicle, includes a brake caliper configured as a sliding caliper, two brake pads, which are disposed in the brake caliper, at least one guide spar for fastening the brake caliper to a stationary carrier, a brake application device, effective via at least one adjusting spindle, an adjusting device, which is non-rotatably connected to the adjusting spindle, for compensating brake pad wear, and a restoring device, disposed on the action side and having a restoring element that is elastically deformable if the brake caliper is displaced as a function of the braking operation and by which the caliper can be automatically brought into a starting position. The disc brake is configured such that the restoring device has a supporting part, which remains in position relative to the brake anchor plate if the brake caliper is displaced as a function of the braking operation, and which interacts with the resilient restoring element. | 01-07-2010 |
20100072003 | Hydraulic Disc Brake Having a Parking Brake Mechanism - A hydraulic disc brake includes at least one brake piston that acts upon a brake pad and a parking brake mechanism. A return piston is accommodated in a piston head having a recess. The piston head faces the brake pad. | 03-25-2010 |
20100072006 | Brake Caliper Bracket That Can Be Screwed to the Axle Flange of a Motor Vehicle - A disc brake caliper bracket is provided that can be bolted to the axle flange of a motor vehicle, especially of a commercial vehicle. The bracket has throughbores through which connectors can be led for connection to the axle flange. The brake caliper bracket is configured such that the throughbores are located on a perforated concentric graduated circle of a connecting flange formed thereto. | 03-25-2010 |
20100133051 | Power Brake System for a Motor Vehicle - A brake system, in particular a dual circuit brake system, for a motor vehicle, includes brakes which can be activated by a brake pedal operatively connected to a brake servo. Each brake engages one wheel. The brake system is designed such that a brake servo is assigned to each brake of at least one brake circuit, and the brake servos can be activated by the brake pedal. | 06-03-2010 |
20100133053 | Disc Brake Having a Release Spindle for the Adjustment Device - A disc brake for a commercial vehicle is equipped with a wear adjustment device having two adjustment spindles and a slip clutch actuated when a certain torque is exceeded. The slip clutch is designed such that it can be installed in existing installation spaces. The slip clutch is a safety adapter that is pressed onto the end region of each adjustment spindle via a press fit. In order to achieve the press fit, an inner contour of the safety adapter deviates from a circular shape and that an oversize is selected such that sufficient press forces are generated. The disc brake is particularly suited for heavy trucks and cantilevers. | 06-03-2010 |
20100252374 | Hydraulically Actuated Multi-Piston Disc Brake - A hydraulically actuated disc brake has at least two hydraulic brake pistons acting upon a brake lining, arranged in a brake housing. The hydraulic disc brake includes a hydraulic synchronization device for reducing oblique wear of the brake lining. The hydraulic synchronization device is interposed between an input pressure line for brake actuation and the brake piston. | 10-07-2010 |
20100254644 | Roller Bearing, Particularly for Mounting the Wheel of a Commercial Vehicle - A roller bearing, particularly for mounting the wheel of a commercial vehicle, has two angular-contact ball bearings placed in an O-arrangement relative to one another. The roller bearing is designed such that each angular-contact ball bearing is associated to a roller body row having a common inner ring with the angular contact ball bearing, wherein the two roller body rows are facing one another and form inner bearing rows. | 10-07-2010 |
20100288588 | Brake Device Comprising An Elastic Energy Accumulator - Disclosed is a brake device, particularly a disc brake, comprising a caliper, brake drum, or similar, and energy accumulator, especially an accumulator spring. The energy accumulator rests on the caliper or similar while being supported on an abutment by means of a lever arm. A mechanism for transmitting resilient forces between the energy accumulator embodying one spring element is created with the aid of a lever arm via the abutment. The brake device is characterized in that the lever arms can take at least two or more different angular positions relative to each other in relation to the abutment. | 11-18-2010 |
20110005870 | Method for Actuating a Wet Multiple Disc Brake and a Wet Multiple Disc Brake - A method is provided for actuating a wet multiple disc brake, running with cooling oil, especially for a road vehicle. Stationary and rotating radially oriented discs are pressed against one another during braking while overcoming a clearance. The method is characterized in that once the brake is released, the discs associated with each other are separated from each other to such an extent as to form an oil-free or substantially oil-free clearance, wherein the clearance is minimized prior to braking by advancing the discs towards each another. | 01-13-2011 |
20110005871 | Pneumatically Actuated Disc Brake with Actuation Tappet - A pneumatically actuated disc brake, includes a caliper, at least one brake application-side and one reaction-side brake lining, a brake disc, and a brake cylinder to which compressed air can be applied as a braking force generator. The brake cylinder acts on a brake application device for applying the brake lining, the brake application device having a rotary lever. At least the brake application-side brake lining can be moved both in a direction parallel to the brake disc rotation axis and parallel to the brake disc frictional surface, and a self-energizing device is provided which has a self-energizing factor that is selected such that the brake releases automatically after braking. | 01-13-2011 |
20110005872 | Disc Brake - A disc brake includes a brake caliper which engages over a brake disc and which has a caliper head and a caliper back connected thereto by tension struts. Brake pads are received in the brake caliper, are radially secured by a retaining bracket that extends in the axial direction of the brake disc, and can be forced against both sides of the brake disc. The disc brake further includes a measuring device which is connected to an evaluation unit for determining the brake application force and which is designed such that the measuring device has two base elements that can be displaced relative each other in the direction of brake application, one of the elements being a sensor and the other being a corresponding element actively connected thereto. One base element is arranged on the retaining bracket which is clamped on one side of the caliper head or on the caliper back and the other base element is arranged on the brake caliper on the side opposite the side on which the retaining bracket is clamped. | 01-13-2011 |
20110024241 | Disc Brake, Especially for a Commercial Vehicle - A disc brake, especially for a commercial vehicle, includes a caliper extending across a brake disc and a brake application device which can be used to force a brake pad against the brake disc by at least one actuating spindle that is guided in the caliper, in correspondence with an associated thrust piece. The disc brake is designed such that the thrust piece consists at least partially of a duroplastic material. A cap is interposed between faces of the actuating spindle and the thrust piece, oriented toward one another and forming contact surfaces. The walls of the cap enclose a projection of the thrust piece. | 02-03-2011 |
20110100768 | Self-amplifying disc brake and method for actuating a self-amplifying disc brake - A self-energizing disk brake is described. The brake includes an electric actuator in which an activation force is amplified using a self-energizing device arranged between the electric actuator and a brake lining. The system includes a brake application unit for applying the brake lining to a brake disk with an application movement of the brake lining, relative to the brake disk, having a component extending parallel to a rotational axis of the brake disk and another component extending tangentially to the rotational axis of the brake disk. At least one electromotive drive for activating the brake application unit and at least two brake plungers of the brake application unit are provided. Pressure surfaces of the brake plungers have a recess with a ramp shaped contour for engagingly receiving a rolling element. | 05-05-2011 |
20110155519 | Self-Energizing Disc Brake and Brake Pad for the Same - A self-energizing disc brake includes a brake caliper held on a fixed brake carrier, an active-side and a reaction-side brake pad, which may be pressed against a brake disc, an actuating device with a self-energizing device and an adjuster device for compensating pad and/or disc wear. The self-energizing device has at least one pressure ram, in contact on the front face with the active-side pad by way of a split bearing and fixed by the end thereof facing the brake pad to a guide plate movably held in the brake carrier, designed such that the split bearing is enclosed by a seal arrangement when the self-energizing device is in a non-functioning state. | 06-30-2011 |
20110209951 | Pneumatically Actuable Disc Brake - A pneumatic disc brake has a caliper which straddles a brake disc, brake pads pressable against the brake disc, wherein a brake-application-side brake pad can be actuated by a brake lever of a brake application device pivotable about an eccentric axis. Against the end side, the brake lever bears a brake ram which is coupled at the other side to the brake pad or to a guide plate coupled thereto. Two pressure rams are aligned in the same direction and spaced apart from the brake ram. The pressure rams are connected in each case to the caliper and to the brake pad or to the guide plate and have a self-energizing device. The caliper has spherical-cap-shaped bearing receptacles in which rest corresponding plain bearing elements, by which the brake lever, and the pressure rams are supported on the caliper. | 09-01-2011 |
20110209952 | Pneumatically Actuable Disc Brake - A pneumatic disc brake includes a caliper which straddles a brake disc, brake pads pressable against the brake disc and a rotary lever actuated brake application device, and a self-energizing mechanism. The brake lever is pivotable about an eccentric axis by a broke cylinder plunger. A self-energizing factor is selected to ensure that the brake automatically releases after braking events. The brake lever is supported on a spherical bearing element mounted to the caliper and forming the eccentric axis. The brake lever bears against a bearing ball which is arranged above the bearing element in the direction of the plunger engagement point, which bearing ball is positioned in a brake ram coupled to the brake pad. | 09-01-2011 |
20120037463 | Wet-Running Multi-Disc Brake - A wet-running multi-disc brake includes stator discs, which are arranged in parallel to and at a distance from each other in a rotationally fixed manner, and a rotatable rotor disc positioned in each case between the stator discs. The radially extending stator discs and rotor discs can be pressed against one another during braking by way of a brake application device while overcoming a clearance. The wet-running multi-disc brake is designed such that the brake application device can be mechanically actuated and, via an actuating unit, engages a self-energizing device, which includes a pressure ring that can be pressed towards the rotor discs during braking independently from the rotational direction of the rotor discs. | 02-16-2012 |
20120061191 | Wet-Running Multiple Disc Brake and System - A disc brake runs wet by use of cooling fluid, in particular for a road vehicle, and includes stationary stator discs arranged in parallel to and at a distance from one other, and between which in each case a rotatable rotor disc is arranged. During braking, the radially extending stator discs and rotor discs can be pressed against one another, closing an air gap and, after the brake has been released, can be separated from one another, forming the air gap. The brake is designed such that the rotor discs have cooling channels which can be filled with cooling fluid immediately before or at the start of braking. | 03-15-2012 |
20120073910 | Multi-Disc Brake - A multi-disc brake, in particular for a road vehicle, is provided with parallel discs which are arranged at a distance from each other and which are rotationally stable and between which a rotatable disc brake is positioned. The radially extending discs and the brake discs can be pressed against one another during braking, by way of a brake application device, while overcoming a clearance and once the brake is released, the discs are separated from each other thus forming a clearance. For transferring the feed motion during braking, a transmission gearing is connected in a movement-dependent manner to a pivotable brake lever of the brake application device and also actively connected to the brake discs. | 03-29-2012 |
20120073911 | Multi-Disc Brake - A multi-disc brake, in particular for a road vehicle, includes parallel plates which are arranged at a distance from one another and which are rotationally stable and between which a rotatable brake disc is positioned. The radially extending plates and the brake discs can be pressed against one another during braking while overcoming a clearance and once the brake is released, the discs are separated from each other thus forming a clearance. The brake discs are pressed individually in the non-brake position by axially working restoring springs and/or in groups counter to an axially stationary stop, which stop can be rotated with the brake discs. | 03-29-2012 |
20120175202 | Brake Disc Implemented as a Casting and Method of Making Same - A brake disc, in particular an internally ventilated brake disc, implemented as a casting includes a friction ring having an inner toothed rim and a neck materially separated therefrom and retained against rotation by an outer toothed rim. The neck is connecting to a wheel hub. Cast-in sliding elements are provided between the teeth to allow for a radial displacement of the friction ring relative to the neck. Each sliding element has a U-shape, the opposite legs thereof being disposed between the radially and axially oriented side faces of the associated teeth facing each other, wherein a web connecting the legs extends radially. | 07-12-2012 |
20120198926 | Measuring Arrangement for Measuring the Application Force of a Disc Brake and a Corresponding Disc Brake - A measuring arrangement measures the application force of a disc brake. The arrangement includes two disc brake components displaceable relative to each other upon application of the force; an application force sensor having a housing; a measuring object formed by one of the two components and having a metal end face for interacting with the application force sensor in a contact-free manner, and an evaluation unit. The application force sensor is an eddy current sensor for capturing a displacement along the path. The evaluation unit converts the captured displacement into a measurement variable as a measure for the application force. The application force sensor and the measurement object are removably mounted on the respective component. | 08-09-2012 |
20130104541 | Fresh Gas Supply Device for an Internal Combustion Engine | 05-02-2013 |
20130105252 | Disc Brake | 05-02-2013 |
20130240311 | Brake Pad for a Disc Brake - A brake pad for a disc brake, which can be installed into a wheel that has a size of 22.5″, includes a ring segment-shaped pad support plate which supports a friction lining material, an inner radius Ri of which merges with straight bearing surfaces on both sides, and which has two molded-on pressure pieces that are arranged in a mutually spaced manner on the pad support plate rear face that faces away from the friction lining material. The brake pad is designed such that the length of the pad support plate is 245-250 mm, the inner radius is 115-135 mm, and the outer radius of the pad support plate is 205-220 mm. | 09-19-2013 |
20140345983 | Brake Pad Retention System of a Disc Brake of a Motor Vehicle - A brake pad retention system is provided for a disc brake of a motor vehicle, in particular of a commercial vehicle. The disc brake includes a brake caliper which engages over a brake disc, a brake carrier which is positionally fixed on the vehicle, the brake carrier having entry-side and exit-side carrier horns and having a bridge which connects the carrier horns to one another, and at least one brake pad which is provided with a pad carrier plate and a friction pad fastened thereto and which is guided in a pad shaft formed by the carrier horns and by the bridge. At least one of the carrier horns of the carrier and the support surface, adjacent thereto, of the pad carrier plate can be fixed to one another in a positively locking manner with play. The at least one brake pad is held in the pad shaft under spring loading exerted by a pad retention spring which extends transversely with respect to the axial direction of the brake disc and which is radially deflectable on the brake pad. The at least one pad retention spring is arranged such that the pad retention spring, in the assembled state, presses the brake pad away from the bridge part of the brake carrier and against the carrier horns without play. | 11-27-2014 |
20150027817 | Measuring Arrangement for Brake Application Force Measurement of a Disc Brake and a Corresponding Disc Brake - A measuring arrangement for brake application force measurement of a disc brake, includes two components of the disc brake which can be displaced relative to each other along a travel path when a brake application force is applied, at least one brake application force sensor with a housing; a measurement object which can be permanently connected to one or the other of the two components and having at least one element or at least one target object which has at least one such element for contact-free interaction with the brake application force measurement sensor; and an evaluation unit. The brake application force sensor is designed for the detection of a displacement of the measurement object along the path with the evaluation unit for the conversion of the detected displacement in a measurement variable as a measurement for the brake application force. The brake application force sensor and the measurement object can be mounted with each of the two components in a removable manner. The measuring arrangement is characterized in that the brake application force sensor is arranged outside the path of the measurement object and with the observation direction thereof arranged perpendicular to the path. | 01-29-2015 |
20150034429 | Disc Brake for Vehicles - A disc brake for vehicles, in particular for commercial vehicles, includes brake pads which are arranged on both sides of a brake disc, a brake application device for applying one of the brake pads and a brake caliper for transmitting the application force to the brake pad on the other side, that is to say on the reaction side, of the brake disc. The brake caliper of the disc brake has a caliper frame which is produced from a shaped hollow profile. | 02-05-2015 |