Class / Patent application number | Description | Number of patent applications / Date published |
188720600 | And/or mechanical linkage | 24 |
20080257661 | Automatic Parking Brake - The invention relates to an automatic parking brake acting on a disk brake and in which the piston of the brake comprises a cavity in which there is a spring ( | 10-23-2008 |
20080277213 | ROTOR BRAKE FOR A ROTARY-WING AIRCRAFT - A rotor brake for a rotary-wing aircraft includes a rotor shaft, a braking-force actuator configured to be hydraulically actuated, a braking-force pick-up element connected to the rotor shaft and operationally connected to the braking-force actuator, an electromechanical piston control element, and a first hydraulic line connecting the electromechanical piston control element to the braking-force actuator so that the braking-force actuator can be actuated electrohydraulically by the electromechanical piston control element. | 11-13-2008 |
20080283345 | Hydraulic Vehicle Brake with Integrated Electromechanically Operable Parking Brake - A hydraulic vehicle brake with a parking brake device, in particular for motor vehicles, includes a brake housing in which a hydraulic service pressure chamber is delimited by a brake piston, wherein hydraulic pressure fluid can be applied to the hydraulic service pressure chamber for carrying out service brake operations so that the brake piston is actuatable along a longitudinal piston axis in order to achieve a braking effect. The parking brake device acts on the brake piston with an actuating device, which actuates a rolling-element ramp-type gear with an electromechanical actuator. | 11-20-2008 |
20090133975 | Vehicle Brake, In Particular Caliper Brake - The invention relates to a vehicle brake, in particular a caliper brake, having a housing, a brake piston accommodated in and linearly displaceable relative to the housing for displacing a brake lining, and a mechanical actuator arrangement for displacing the brake piston, wherein the brake piston is displaceable in the housing by charging a hydraulic chamber by means of a hydraulic brake circuit and wherein the mechanical actuator arrangement comprises a threaded spindle, which is mounted rotatably in the housing and may be set in rotation, wherein the brake piston as a result of a rotational movement of the threaded spindle is linearly displaceable relative to the housing. In this vehicle brake, it is provided that the threaded spindle is provided with a multiple-start self-locking thread having n flights, wherein the number n and the thread lead are selected in such a way that the thread is close to the self-locking limit. | 05-28-2009 |
20090272607 | Disc Brake for a Commercial Vehicle - A disc brake, particularly for a commercial vehicle, includes a brake caliper, which is provided with a brake disc and fixed to a brake carrier by two fastening elements such that it can be axially displaced in relation to the brake disc. The fastening elements each include a guide spar, which is connected to the brake carrier in a fixed manner. For the axial displacement of the brake caliper, one of the guide spars is guided in a plain bearing designed as a movable bearing and the other in a plain bearing designed as fixed bearing such that the guide spar of the fixed bearing includes an elastically deformable section in the radial direction on the outer circumference. The associated bearing rests against the deformable section at least in some sections. | 11-05-2009 |
20090283371 | Combined Vehicle Brake With Electromechanically Operable Parking Brake and Gear For Converting A Rotary Movement Into A Translational Movement - A combined vehicle brake including a hydraulically actuated service brake and an electromechanically actuated parking brake device, a hydraulic operating pressure chamber in a brake housing being defined by a brake piston, which for performing service braking actions can be acted upon by hydraulic pressure fluid, so that the brake piston can be actuated along a piston longitudinal axis in order to produce a braking action, and the parking brake device acting on the brake piston by way of a transmission that translates the rotary motion of an electromechanical actuator into a translational motion and actuates the brake piston to perform parking brake actions and to keep it in the actuated position. Also disclosed is a transmission for translating a rotary motion into a translational motion by way of a screw spindle and a spindle nut, which are in contact with one another by way of multiple rolling elements. | 11-19-2009 |
20100038191 | MODULAR ACTUATOR FOR WIND TURBINE BRAKE - A brake comprising a caliper assembly; brake linings associated with the caliper assembly; and one of an electromechanical actuator module or a hydraulic actuator module. The body of the caliper assembly has a mounting wherein the module(s) can be removably mounted to the caliper without requiring modification to the caliper assembly. The mounting enables the actuator modules to be quickly changed out with a new actuator in the case of repair or maintenance; as well as facilitates initial assembly and upgrades to the brake. | 02-18-2010 |
20110048873 | STRUCTURE OF HYDRAULIC BRAKE LEVER ASSEMBLY - A hydraulic brake lever assembly includes a hollow lever mount accommodating therein a hydraulic pump. Two window openings are respectively formed in opposite sides of a middle section of the lever mount and in communication with an interior space of the lever mount. The hydraulic pump includes an outer cylinder member and an inner bore member arranged inside the outer cylinder member to define a hydraulic fluid chamber therebetween. An in-flow passage is defined in a wall of the inner bore member to communicate a bore defined in the inner bore member. A spring-biased piston is movably received in the bore of the inner bore member. The piston is driven by a driving bar coupled to a handgrip. The outer cylinder member forms in a wall thereof a hole receiving and in threading engagement with a transparent plug that is exposed through each of the window openings. | 03-03-2011 |
20110155520 | DISK BRAKE - Provided is a disk brake in which a rotation control part for controlling relative rotation of a cartridge and a cylinder of a parking brake mechanism is formed at the cartridge and includes convex parts having curved surfaces and concave parts formed at the cylinder and having curved surfaces, and a spacer formed of stainless steel, resiliently fitted into an inner circumference of the cylinder and including arc part having the same shape as the concave parts is disposed between the convex parts and the concave parts. | 06-30-2011 |
20110278109 | ELECTRIC DISC BRAKE - Disclosed is an electric disc brake including a reduction unit having a transmission function. The electric disc brake includes a piston in the caliper housing such that the piston is movable back and forth to press one frictional pad, a spindle unit including a nut spindle member allowing the piston to move back and forth and a spindle member screwed with the nut spindle member, and a reduction unit coaxially coupled with the spindle unit, and a motor rotating the reduction unit forward and backward. The reduction unit includes a sun gear coupled with a shaft of the motor, a planet gear, a carrier coupled with the planet gear to rotate the spindle member, and first and second internal gears engaged with the planet gear to amplify a rotational force of the motor or transfer the rotational force of the motor to the spindle member without a reduction gear ratio. | 11-17-2011 |
20120043169 | PARKING BRAKE DEVICE OF A RAILWAY VEHICLE HAVING HIGH EFFICIENCY - A brake device of a railway vehicle, having at least one operating brake cylinder having at least one operating brake piston actuated by a pressurizing medium, the piston actuating an operating brake piston rod coaxial to the brake cylinder axis, and having a parking brake device having a pivotally supported actuating lever, the rotary motion thereof being transmitted to a shaft rotationally supported by at least one shaft bearing on a housing, wherein the rotary motion of the shaft induced by the actuating lever can be converted to a linear motion parallel to the brake cylinder axis of at least one support roller rotationally supported by a support roller bearing on a rotary axis disposed parallel to the shaft, in that at least one cam having an operating cam face and rotationally fixed to the shaft is provided, the cam interacting with a radially outer support roller surface of the support roller during a tightening or releasing stroke of the parking brake device, wherein the linear motion of the support roller is transferred to the operating brake piston rod. | 02-23-2012 |
20120085598 | Caliper brake - A caliper brake including a pair of opposed service stators and a hydraulic service piston positioned adjacent to each service stator. The caliper brake also includes a pair of opposed parking stators and a spring applied hydraulic release parking piston positioned adjacent to each parking stator. The service stators and the parking stators are independently movable to apply a braking force to a rotor positioned therebetween. The service stators and parking stators may be positioned on first, second and third torque pins, and may share one of the torque pins. | 04-12-2012 |
20120085599 | Disk Brake - There is provided a disk brake that can hold a required thrust force and maintain a stop state of a vehicle without increasing complexity in the disk brake even if the disk brake is operated in a high temperature state of a brake pad and then a temperature of the brake pad is reduced. In the disk brake | 04-12-2012 |
20120261220 | DISK BRAKE - Provided is a disk brake improved in production efficiency by simplifying a structure for retaining the braking force of a parking brake. A disk brake is equipped with a piston holding mechanism having a ball-and-ramp mechanism in which balls are moved by rotation transmitted from a motor, causing a rotary-rectilinear ramp to press a piston. The rotary-rectilinear ramp has an external thread engaged with an internal thread formed on a base nut immovable in a rotor axis direction relative to a caliper body. The external thread, when a force is applied thereto from the piston in the rotor axis direction, can retain the position of the rotary-rectilinear ramp in the rotor axis direction. Thus, the structure for retaining the braking force of the parking brake can be simplified to improve the production efficiency. | 10-18-2012 |
20130192937 | VEHICLE CONTROL APPARATUS - A vehicle control apparatus includes: a first braking force generating section configured to actuate, by a hydraulic pressure, wheel cylinders; a second braking force generating section configured to be mechanically regulated to provide the braking force to the one of the wheels; a braking force control switching section configured to automatically switch the second braking force generating section from a non-actuation state to an actuation state when a predetermined condition is satisfied in an actuation state of the first braking force generating section and in the non-actuation state of the second braking force generating section, and to switch the first braking force generating section to the non-actuation state; and a braking force characteristic control section configured to control a braking force characteristic generated by the first braking force generating section, and relating to the switching operation of the braking force control switching section. | 08-01-2013 |
20130206520 | Disc Brake for Motor Vehicle - A disc brake for a motor vehicle, wherein the disc brake comprises a housing, a brake disc which can be rotated relative to the housing, at least one friction lining, and at least one actuating device which is configured for bringing about a relative movement between the brake disc and the friction lining, with the result that the friction lining can be brought into contact with the brake disc, wherein the actuating device has at least one actuating piston which is guided displaceably in the housing in a hydraulically sealing manner, wherein the actuating piston can be displaced in the housing hydraulically and via a mechanical actuator. In the disc brake, it is provided that the actuating piston is coupled to the mechanical actuator via an elastically deformable driving arrangement, wherein, as a consequence of a relative displacement between the actuating piston and the actuator, the driving arrangement provides a restoring movement in accordance with its elastic deformation. | 08-15-2013 |
20130213746 | Vehicle Brake System for a Motor Vehicle and Method for Controlling the Vehicle Brake System When the Parking Brake Function is Activated - A vehicle brake system, comprising a hydraulically controllable disk brake device, which has an electromechanical actuating device for activating a parking brake function, wherein the vehicle brake system has a hydraulic circuit having a hydraulic pressure source and controllable hydraulic functional elements in order to hydraulically control the disk brake device according to a service brake action of a driver or according to an automatic activation of a driving assistance system, wherein the vehicle brake system further comprises a control device in order to control the electromechanical actuating device according to a parking brake action of the driver or according to an automatic activation of the parking brake function. In order to avoid overload states the control device is designed to control at least one of the hydraulic functional elements in such a way that, before the parking brake function is activated by controlling the electromechanical actuating device, a hydraulic volume currently acting on the disk brake device in order to produce a hydraulic pressure that causes a service brake action can be hydraulically isolated. | 08-22-2013 |
20140158480 | DISK BRAKE WITH A PARKING BRAKE, MECHANICAL THRUST ASSEMBLY, AND METHOD OF ASSEMBLING - An arrangement contains a brake piston for operating at least one disk brake pad and a nut-and-screw unit for producing an axial thrust, from the rear to the front, of the piston containing a nut arranged in the piston's interior, and secured thereto to prevent rotation, and mounted therein to slide axially, whose front axial end face interacts with an internal section facing the piston's front wall to push the piston axially towards the front when the screw is rotatably driven in the unscrewing direction, and the screw containing a front section screwed into the nut, an intermediate radial flange and a rear section, wherein the piston screw contain centering elements that interact with one another when the screw is in a predetermined front axial mounting position in relation to the piston in order to center the rear section of the screw radially in relation to the piston. | 06-12-2014 |
20140262635 | DISC BRAKE HAVING A CONVERSION CARTRIDGE PROVIDED WITH AN ANTI-MATTING DEVICE - Disc brake with a floating calliper and controlled brake piston, a movement conversion cartridge ( | 09-18-2014 |
20150075922 | PARKING BRAKE SYSTEM OF EMB USING HYDRAULIC DEVICE AND PARKING BRAKE CONTROL METHOD FOR EMB - Disclosed are a parking brake system of an EMB used in combination with a hydraulic device, and a parking brake control method for an EMB. The parking brake system of an EMB according to an exemplary embodiment of the present invention includes: a pedal unit which has a configuration in which a pedal simulator and a master cylinder are coupled; electromechanical brakes (EMBs) each of which has a hydraulic piston device; first hydraulic lines which are connected so as to supply hydraulic pressure from the master cylinder to the hydraulic piston devices of the EMBs; first solenoid valves which are provided to change a communication state of the first hydraulic lines; second hydraulic lines which are extended between the first solenoid valves and the EMBs, and connected to a reservoir; and second solenoid valves which are provided to change a communication state of the second hydraulic lines. | 03-19-2015 |
20150129371 | ELECTRIC PARK BRAKE FOR A MULTIPLE PISTON CALIPER - A brake system comprising: (a) a body assembly comprising: (i) an outboard side, (ii) an inboard side, (iii) a bridge extending between and connecting the inboard side and the outboard side, and (iv) two or more piston assemblies located entirely on the outboard side, entirely on the inboard side, or located both on the inboard side and the outboard side; and (b) an electric brake assembly comprising: (i) one or more differential assemblies in communication with the body assembly and each of the two or more piston assemblies; wherein the one or more differential assemblies provide power equally to each of the two or more piston assemblies so that each of the piston assemblies are moved axially in unison until a resistance of one of the two or more piston assemblies becomes higher than a remainder of the two or more piston assemblies and the one or more differential assemblies transfer power from the piston assembly with the higher resistance to the remainder of piston assemblies with a lower resistance so that the piston assembly with the higher resistance ceases to move and additional power is supplied to the remainder of the piston assemblies. | 05-14-2015 |
20150136538 | APPARATUS AND METHOD FOR INITIALIZING OF ELECTROMECHANICAL BRAKE - An apparatus for initializing an electromechanical brake (EMB) may include: a solenoid valve for transmitting oil pressure generated through a manipulation force for a brake pedal; a piston unit for pressurizing a brake disk through at least one of the oil pressure transmitted through the solenoid valve and power generated by a motor; and an electronic control unit for controlling at least one of the oil pressure transmitted through the solenoid valve and the power transmitted by the motor to control advance and retreat of pistons included in the piston unit and adjust a braking force of the brake, wherein when the brake system is initialized, the electronic control unit retreats and depressurizes the pistons in case where a vehicle is in a parking brake state, and advances and pressurizes the pistons in case where the vehicle is not in a parking brake state. | 05-21-2015 |
20160167627 | Disc Brake for a Motor Vehicle, Having a Sealing Arrangement Designed for an Electronic Parking Brake | 06-16-2016 |
20160167683 | RAIL VEHICLE BRAKING SYSTEM AND BRAKING METHOD FOR A RAIL VEHICLE COMPRISING SUCH A SYSTEM | 06-16-2016 |