Entries |
Document | Title | Date |
20080210499 | Vehicular Brake System - First hydraulic-pressure supply piping extended from an accumulator is connected to a first supply port (that is, to a second pressure chamber) of a cylinder, and to second hydraulic-pressure delivery piping of an ABS via third hydraulic-pressure supply piping having a third linear valve. When the braking hydraulic pressure Pf is reduced in the ABS, the degree and the period of time that the third linear valve is opened are set according to the amount of fluid discharged from the second hydraulic-pressure delivery piping to a reservoir tank through a pressure-reducing valve so that a certain amount of fluid is returned from the first hydraulic-pressure supply piping to the second hydraulic-pressure delivery piping via the third hydraulic-pressure supply piping. | 09-04-2008 |
20080217119 | Electric motor with static brake - An electric motor for driving a vehicle wheel includes a parking brake that is selectively applied to provide a park brake condition. The parking brake is a clutch style brake and includes a sliding brake disk that is mounted for rotation with a motor shaft. A brake piston is used to move the sliding brake disk into engagement with a motor housing to achieve a park applied position. The parking brake is held in a release position by a hydraulic system that exerts a fluid pressure force against the brake piston. A resilient mechanism cooperates with the brake piston to apply the parking brake once the fluid pressure force is diminished. | 09-11-2008 |
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 |
20080296103 | Caliper brake - A hydraulic caliper brake includes a housing formed by two halves. A pair of bores are provided in each housing half, and a piston is positioned in each bore. An end cap closes off each bore and is sealed by an O-ring positioned around the periphery of each end cap. A ring retains each end cap within each bore. Each housing half has a pair of holes aligned with the holes of the other half. A pair of recessed areas are located on opposing ends of the housing, one of the recessed areas being positioned adjacent to one housing half and the other being positioned adjacent to the other housing half. A pair of stator plates each have a first ear with an outer shape having a flattened area positioned within one of said recessed areas in said housing, and a second ear with a continuously curved outer shape. Each ear has a hole therethrough aligned with the holes of the housing halves, and a pin is positioned in the aligned holes. An easily bleedable fluid network supplies fluid to the pistons. | 12-04-2008 |
20090127035 | ELECTRIC CART DISC BRAKING SYSTEM - An electric cart braking system is shown having a brake cable adapter between the pedal and a hydraulic disk braking system. The method of installing the brake cable adapter and associated components is provided. A kit of components to facilitate in installation of brake cable adapter and associated components is also provided. | 05-21-2009 |
20090218180 | BRAKE CALIPER - A brake caliper has a brake pad having a backplate with a friction material attached to one side and a loading face on an opposite side. The caliper further includes a piston that applies a force to the loading face. The brake pad is releasably attached to the piston, thereby eliminating a separate brake pad retaining structure in the caliper. | 09-03-2009 |
20090242338 | DISK BRAKE DEVICE - A vehicular disk brake device having a first air discharge mouth and a first hose connection mouth connected to a center cylinder project from an outer face of the caliper case in close proximity and so that the axes of the first hose connection mouth and the first air discharge mouth are parallel. In addition, a difference of elevation h | 10-01-2009 |
20090272606 | TRIPLE CHAMFER SEAL GROOVE - A brake caliper assembly that includes at least one piston bore having an exterior surface and a seal groove that includes a plurality of chamfered walls that are configured to substantially prevent piston to seal slippage at low pressures and allowing piston to seal slippage at high pressures. | 11-05-2009 |
20100038190 | BRAKE CALIPER AND ASSOCIATED PRODUCTION METHOD - A brake caliper for a disk brake system of a motor vehicle, has a caliper body which is cast from a light metal alloy or from light metal, with a skeleton structure arranged inside the caliper body. The material of the skeleton structure has a higher modulus of elasticity than the material of the caliper body. The skeleton structure is cast into the caliper body so that the caliper body encases the skeleton structure. | 02-18-2010 |
20100170755 | MODULAR BRAKE CALIPER - In various exemplary embodiments, the technology described herein provides a modular hydraulic brake caliper for use on automobile vehicles and motorcycles. A modular hydraulic disc brake caliper housing to house a piston block assembly includes one or more top bridge configured to stiffen and strengthen a disc brake caliper. The housing includes one or more caliper body configured to stiffen and strengthen a modular hydraulic brake caliper assembly, to securely receive the top bridge and to restrain a piston block assembly, and is configured with or without the use of an integral piston. The housing can include at least one side bridge configured to stiffen and strengthen the modular hydraulic brake caliper assembly. The housing can include at least one end bridge configured to secure one side bridge to another and to the top bridge. A modular hydraulic disc brake caliper assembly, a disc brake assembly, and associated methods are disclosed. | 07-08-2010 |
20100181151 | Hybrid piston bushing sleeve assembly - An apparatus for hybrid piston bushing sleeve assembly for an aircraft brake assembly includes a composite body; and a sacrificial sleeve coupled to said composite body, wherein the sacrificial sleeve is replaceable. | 07-22-2010 |
20100193300 | VEHICLE DISC BRAKE DEVICE - A disc brake device in which uneven wear on the brake pads is prevented. Each brake pad has a set pin hole at one end in which a set pin is fitted, and a torque-receiving component for receiving braking torque in the other end. The pistons for pressing the brake pads are composed of first and second pistons. A center of the first piston near the set pin is located further inside from the middle of the sliding range of the brake pads, and the distance from the set pin is extended. | 08-05-2010 |
20100219027 | Disk brake and sliding member - There is provided a disk brake comprising: a piston that presses a brake pad to a disk rotor; and a caliper at which the piston is slidably provided through a piston seal, the caliper making the piston moved forward by hydraulic pressure, wherein the piston has that an anodized film layer formed by an anodized treatment is formed on a surface of a piston base body made of aluminum alloy, and a chromium plating layer is directly laminated on a surface of the anodized film layer. | 09-02-2010 |
20100307874 | DISK BRAKE AND METHOD OF PRODUCING THE SAME - An object of the present invention is to provide a disk brake and a method of making the disk brake capable of improving the efficiency of manufacturing a caliper. A bottom portion | 12-09-2010 |
20100314206 | BRAKE ASSEMBLY FOR MOTOR VEHICLES AND SIMILAR - A brake assembly ( | 12-16-2010 |
20100320038 | OPPOSED-PISTON CALIPER BODY - An opposed-piston caliper body includes a pair of acting portions adapted to be disposed one on each side of a disc rotor. Each of the acting portions has at least one cylinder bore defined therein, and a piston slidably inserted in the at least one cylinder bore. A bridge interconnects the acting portions. The cylinder bores defined in the acting portions are disposed out of axial alignment with each other. One of the acting portions has through holes defined therein in confronting relation to the cylinder bores defined in the other of the acting portions. | 12-23-2010 |
20110048872 | DISK BRAKE - Provided is a disk brake capable of improving fabrication efficiency. A transmission member ( | 03-03-2011 |
20110120818 | DISC BRAKE - Disclosed is a disc brake to receive a disc and a brake pad. The disc brake includes an inner pad to produce friction with one side of a disc, an outer pad to produce friction with an opposite side of the disc, and a caliper housing including a cylinder part provided therein with a cylinder to receive a piston to press the inner pad and a finger part provided in front of the cylinder part to press the outer pad. The caliper housing includes a spacer to variably change an interval between the cylinder part and the finger part. | 05-26-2011 |
20110127122 | DISC BRAKE - Disclosed is a disc brake. The disc brake includes clip parts provided at inner portions of both side ends of a pair of pad plates and engaged with protrusions formed in the carrier and torsion pins fitted into the clip parts such that the clip parts are rotated between the pad plates upon a braking operation of the disc brake. Upon the braking operation, the pad plates push the carrier so that the clip parts are rotated about the torsion pins by the pad plates. Thus, strain energy of the carrier is absorbed through warpage deformation of the torsion pins, so that the carrier has sufficient strength even if an outer beam is removed. | 06-02-2011 |
20110162918 | DISC BRAKE DEVICE - In a disc brake device, a piston is movably supported to a cylinder portion of a caliper, friction pads are operable to push a disc rotor as the piston moving frontward during pressurization, a seal mechanism arranged at the cylinder portion is operable to return the piston to an initial position during depressurization, and the seal mechanism is constituted with a movable element arranged between the cylinder portion and the piston ( | 07-07-2011 |
20110226566 | Disk Brake and Brake Pad Arrangement Therefor - The invention relates to a disk brake for a motor vehicle brake system having a frame-type housing, at least two brake pad arrangements, which are accommodated in the frame-type housing and between which a brake disk that is rotatable about an axis of rotation may be accommodated, and at least two guide bolts, which are mounted on the housing and on which at least one of the brake pad arrangements is guided with play in an axially displaceable manner. To avoid undesirable noises in this disk brake it is provided that on the brake pad arrangement guided on the guide bolts at least one spring means is mounted, which biases said brake pad arrangement relative to the guide bolts into a position corresponding to a tilting movement that results during braking of the brake disk from a braking torque acting on the brake pad arrangement. | 09-22-2011 |
20110233009 | CALIPER BRAKE DEVICE - In a vehicle caliper brake device, a brake pad | 09-29-2011 |
20110240417 | DISK BRAKE - The bottom surface of a seal groove provided in a cylinder bore has a first slant portion and a second slant portion. A transition point between the first slant portion and the second slant portion is located closer to the opening of the cylinder bore than the center in the cylinder bore axial direction of the seal groove. A gap is formed between the outer peripheral surface of a piston seal member and the bottom surface of the seal groove, and the surface pressure applied to the bottom surface of the seal groove from the piston seal member is higher at the cylinder-bottom-side end of the piston seal member than at the cylinder-opening-side end thereof. Thus, it is possible to suppress the movement of the piston toward the cylinder bore bottom due to thermal expansion of the piston seal member. | 10-06-2011 |
20110240418 | VEHICLE BRAKE CONTROL DEVICE - When an EPB performs a locking operation of operating a parking brake, a pressure-decreasing limit control is performed until a driving shaft contacts a piston. Accordingly, even when the time of decreasing the W/C pressure by a service brake is equal to the time of brining the driving shaft having moved by the motor driving of the EPB into contact with the piston are equal to each other, it is possible to prevent the piston, which has been urged to the driving shaft with the decreasing of the W/C pressure, from colliding with the driving shaft with a great impact, thereby preventing a large load from being applied to the driving shaft. | 10-06-2011 |
20110290597 | DISK BRAKE - Provided is a disk brake having a caliper. The caliper includes a cylinder part disposed at one side in a disk axial direction and having a bore for accommodating a piston, a pair of arm parts extending to both sides of the cylinder part in a disk rotational direction and having ends to which sliding pins are fixed, and a guide attachment part configured to couple the one arm part to the cylinder part and to which a cable guide member is fixed, which are integrally formed with each other. A thickness of the guide attachment part in a disk diameter direction and a thickness of the one arm part in the disk diameter direction at least partially overlap in the disk axial direction. | 12-01-2011 |
20110303496 | Air Disk Brake Caliper Pre-Stressing Method and Pre-Stressed Caliper Apparatus - A cast iron brake caliper with improved fatigue life, and a process and process equipment for pre-stressing a cast iron brake caliper to provide improved fatigue life, is provided. In the process, a load is applied to a cast iron caliper, where the load is high enough to locally yield and plastically deform the cast iron material, but not high enough to cause material failure, such as cracking. Upon load removal, residual compressive stresses in the cast iron caliper lower the mid-point of the stress range the plastically-deformed region of the caliper sees during in-service use, and thereby lowers the peak stress seen in this region, increasing fatigue life. The process permits a cast iron brake caliper to be designed to use less material and thus fit within constrained wheel rim envelopes, without the need to resort to high cost materials or other alternative design strategies. | 12-15-2011 |
20110308898 | BRAKE APPARATUS - A brake apparatus for restraining rotation of a wheel of a vehicle by application of a brake that is to be activated for causing a friction member held by a non-rotatable body, to be pressed against a brake rotor that is to be rotated together with the wheel, through a piston that is movable in an axial direction of the piston. The brake apparatus includes: (a) a power drive device; (b) a driven member that is to be moved, by the power drive device, relative to the piston in the axial direction; and (c) an engaging portion that is provided in one of the driven member and the piston, such that the piston is held in engagement with the driven member through the engaging portion. The engaging portion is disposed such that, during release of the application of the brake, the piston is movable rearwardly while being held in engagement with the driven member through the engaging portion. | 12-22-2011 |
20120103734 | DISK BRAKE - A disk brake includes a caliper body having a cylinder portion | 05-03-2012 |
20120152664 | DEVICE FOR DAMPING THE VIBRATIONS IN A PAD OF A DISC BRAKE | 06-21-2012 |
20120181123 | Brake Pistons and Piston Noses - Provided are, among other things, pistons and piston noses. One representative embodiment involves a brake piston that includes a piston body and a top surface, in which the top surface is wider than the piston body and has a small portion that is slightly raised, relative to the rest of the top surface, so that when in use only the small raised portion makes contact with a backing plate of a brake pad. | 07-19-2012 |
20120273308 | HYDRAULIC BRAKE HOSE STRUCTURE - A hydraulic brake hose structure is basically provided with a hydraulic brake hose and a first sealing material. The hydraulic brake hose has a first end with a first opening and a second end with a second opening. The first sealing material overlies the first opening of the first end to form a first seal that seals the first opening of the first end. The first sealing material ruptures at a prescribed hydraulic fluid pressure threshold. | 11-01-2012 |
20120298456 | DISC BRAKE - A disc brake includes a brake disc, a sliding caliper, a single piston, and a brake pad carrier comprising a leading part and a trailing part. The brake pad carrier includes mounting features for securing the brake pad carrier to an associated structure of a vehicle. The mounting features define a mounting side and a non-mounting side of the brake. A mounting side brake pad comprises mounting side friction material and a non-mounting side brake pad comprising non-mounting side friction material. The center of pressure of the non-mounting side friction material is circumferentially aligned with the piston and the center of pressure of the mounting side friction material is offset in relation to the piston towards the leading part of the brake pad carrier. | 11-29-2012 |
20120298457 | DISC BRAKE APPARATUS - A back plate is biased radially inward of a disc rotor by a spring, engaged at two locations on a torque reception surface with a caliper support shaft, and engaged at one location on a torque reception surface with a caliper support shaft. Inner and outer shims are disposed toward a back plate and pistons, respectively, and a friction factor between the back plate and the inner shim and that between the pistons and the outer shim are higher than that between the inner and outer shims. The inner shim is movable with the back plate in radial and circumferential directions and is movable relative to the back plate in the axial direction, and the outer shim is movable with the back plate in radial and circumferential directions, is movable relative to the back plate in the axial direction, and is rotatable about the radially inner support shaft axis. | 11-29-2012 |
20120305345 | Portable Antiskid Brake System - An electronic antiskid brake assembly with a portable power source that can retrofit onto a working manual brake system to provide antiskid capabilities without effecting the manual brake system's normal operation. The antiskid system can be applied anywhere on a brake linkage. When a force is applied to a brake pad, an electronic controller utilizes detects a skidding event, and then automatically powers on an actuator. The actuator moves a brake linkage to create a pulse mode on the brake linkage. The pulse mode modulates the force that is applied to the brake pad. A one way cylinder can be included with a manual hydraulic brake system to provide a mechanical means for generating pulse mode on the brake linkage. The power source can move with the brake linkage so that the actuator pulses the brake linkage a small amount, while the brake linkage applies full braking. | 12-06-2012 |
20120312643 | Disc Brake - A pneumatic disc brake has a brake caliper extending over a brake disc, wherein a brake cylinder, to which compressed air can be applied, and at least one further functional part are fastened on a flange of the brake caliper. The brake cylinder is provided with at least one indentation at least in the overlapping region with the at least one functional part. | 12-13-2012 |
20130001025 | DISK BRAKE - A pressing part is provided at a disk-circumferentially central portion of a base plate member of a shim plate. The pressing part presses a friction pad at the center in the disk circumferential direction of the friction pad when a piston starts to press the friction pad. The pressing part is formed by slitting and raising the disk-circumferentially central portion of the shim plate along the disk radial direction. When the pressing force of the piston is in a low pressure range, the pressing force is transmitted to the friction pad through the pressing part. After the pressing force of the piston has exceeded the low pressure range, the pressing force is transmitted to the friction pad through the whole region in the disk circumferential direction of the piston. | 01-03-2013 |
20130001026 | BRAKING DEVICE AND VEHICLE - A vehicle includes a vehicle body and a braking device configured to exert a braking force on the vehicle body, wherein, in a state that a driver gets in the vehicle, the braking device makes a braking force on a side near to a center of gravity larger than a braking force on a side far from the center of gravity in a direction orthogonal to a traveling direction of the vehicle body as an initial setting by a difference of supplied hydraulic pressure, a mechanical structure such as a difference of a brake performance, and an electric setting such as a difference of a calculated expression. Thereby, deflection of the vehicle body can be effectively suppressed during braking. | 01-03-2013 |
20130025982 | DISK BRAKE - A shim plate is provided at the rear side of a friction pad to abut annular contact parts of pistons. The shim plate is provided with first and second one-side cut portions and at a position corresponding to the annular contact part of a disk rotational entrance-side piston, for example, so that the area of contact between the shim plate and the annular contact part is larger at the disk rotational exit side than at the disk rotational entrance side. The first and second one-side cut portions and have four contact ends at which the peripheries of the cut portions and the annular contact part intersect each other. At least two of the four contact ends are provided on the disk rotational entrance side with respect to the diametrical center of the piston. | 01-31-2013 |
20130025983 | Disc Brake Having Reduced Residual Grinding Torque - The invention relates to a disc brake having at least one brake disc, at least one friction lining and at least one actuating apparatus, wherein the actuating apparatus comprises at least one actuating piston which is movably housed in a housing of the disc brake and a sealing element having a first sealing surface configured to produce a sealing contact to a contact surface of the housing, and a second sealing surface configured to produce a sealing contact to a contact surface of the actuating piston in order to seal the actuating piston to the housing, wherein at least one of the sealing surfaces comprises a friction surface configured so that it maintains the sealing contact to the contact surface in the case of a movement of the actuating piston relative to the housing and furthermore allows a frictionless movement of the actuating piston relative to the housing. | 01-31-2013 |
20130068573 | FIXED CALIPER BRAKE AND BRAKE PAD FOR A FIXED CALIPER BRAKE - A fixed caliper brake for a motor vehicle, including a housing with two housing limbs and a housing bridge connecting the housing limbs in a flexurally rigid manner at a defined distance from one another, pistons, which are received in bores in the housing limbs and are guided displaceably along an axis A in relation to the brake disk, and brake pads which are provided in pairs, are guided in an axially displaceable manner in the housing and arranged in the circumferential direction while being supported against circumferential forces, each brake pad being actuable directly by at least one piston. The brake pads are supported in a form-fitting manner on the housing bridge at least on the run-in side. At least each arm on the run-in side is configured with a hook shape open on the radially outer side and serves at least partially for form-fitting abutment against the housing. | 03-21-2013 |
20130081910 | SEAL GROOVE WITH A PROJECTION - A caliper comprising: a piston bore and a seal groove located in the piston bore proximate to an open end of the piston bore, the seal groove comprising: a front wall; a rear wall; a bottom wall spanning between and connecting the front wall to the rear wall; a projection in a central region of the bottom wall suitable for allowing twisting of a seal during a brake retract and/or brake release; wherein the rear wall diverges away from the front wall as the rear wall extends away from the bottom wall and towards the bore surface. | 04-04-2013 |
20130081911 | DISC BRAKE - A disc brake provided with a guide spring capable of preventing a vibration of a pad plate having a friction pad mounted thereon, and capable of separating the friction pad from a disc in a rapid manner after a braking operation is finished, the disc brake including a disc rotating together with a wheel of a vehicle, two pad plates disposed at both lateral sides of the disc, respectively, to perform a braking by pressing both lateral side surfaces of the disc and each having a friction pad, a caliper housing and a piston that are configured to press the pad plate, and a guide spring enabling the pad plates to operate as an integral body and absorb shock. | 04-04-2013 |
20130112512 | Disc Brake of Hydraulic Self-Energizing Design with Parking Brake Device - A self-energizing disc brake includes a brake-internal hydraulic arrangement with a supply circuit and an expansion vessel; a brake application device with a brake application cylinder for applying a brake pad toward a brake disc; a force transmission unit supporting the brake pad at a wedge angle on the brake application device; a tangential-force absorbing cylinder for switching over the wedge angle; an electric-motor actuator acting on the brake application device via the hydraulic arrangement; a distributor cylinder arranged in series between the electric-motor actuator and the brake application device for pressure boosting; and a control unit. A parking brake device has an adjustable screw spindle for adjusting the brake pad, which spindle is coupleable to the electric-motor actuator for driving. The tangential-force absorbing cylinder is connectable hydraulically to the supply circuit and the expansion vessel. | 05-09-2013 |
20130133990 | DISK BRAKE - A disk brake including a mount member having a pin insertion portion integrally connected to a connection portion so as to outwardly protrude from an outer surface of the connection portion in a radial direction of a disk rotor. A tip of a pin insertion hole of the pin insertion portion is positioned at an inner side of a vehicle relative to an outer portion. Thus, it is possible to prevent a braking torque from affecting the pin insertion portion of the mount member. As a result, it is possible to prevent a slide pin from interfering with an inner wall surface of the pin insertion hole, thereby preventing a brake judder phenomenon from occurring during a braking operation. | 05-30-2013 |
20130175122 | HUB BRAKE FOR A BICYCLE - A hub brake for a bicycle mainly comprises a fixed brake disc, axial displacement brake disc and brake member. The axial displacement brake disc is driven by the brake member to yield axial displacement, thus realizing axial hub braking through frictional abutting of the fixed brake disc. As the fixed brake and axial displacement brake disc are both of simplified disc or block structure, the manufacturing process can be streamlined for mass production, while convenient and efficient assembly from one end of the hub is made possible. As for the ringed brake interface formed between the fixed brake disc and axial displacement brake disc, its friction area is not less than that of conventional drum or caliper brake interface. Hence, the hub brake components of the bicycle could be greatly simplified, and the weight and assembly space could be reduced for easier production, convenient assembly and satisfactory braking performance. | 07-11-2013 |
20130192935 | DRIVE FOR ACTUATING A PARKING BRAKE - A system for a drive for actuating a parking brake operably involves a brake caliper. The brake caliper has at least one brake piston with a brake piston axis, the piston being actuatable by means of an operably actuating lever with a rotational center. An electric motor is fixed to the brake caliper and mechanically coupled to the actuating lever with the output shaft that exits the electric motor. | 08-01-2013 |
20130192936 | PROTECTIVE SHEATHINGS FOR DISC BRAKE PISTON-CYLINDER UNITS - Flexible sheathing for the protection of piston-cylinder units for disc brakes are provided. Such flexible sheathing may be arranged in a retracted condition wherein the piston is completely accommodated within the cylinder and in an extended condition wherein the piston is completely extracted from a caliper body defining the cylinder, said piston having a piston outer surface suitable to co-operate with a cylinder inner surface of the caliper body which accommodates the piston, said outer surface having a predefined piston diameter and said cylinder inner surface having a predefined cylinder diameter, wherein said piston comprises a piston body and a head thereof suitable to press against a pad of the disc brake. Such sheathing may include a sheathing body, which in the retracted condition, of a disc-shaped configuration which develops from an inner diameter to an outer diameter; said outer diameter being greater than said cylinder diameter; said inner diameter being lower than the piston diameter and defining a sheathing portion developing from said inner diameter to said piston diameter; a first hooking ring being arranged along the sheathing outer diameter suitable to be fixed to a caliper body; a second hooking ring being arranged along the inner diameter of the sheathing suitable to be fixed to a piston; a plurality of folds consisting of folds that consist of portions of said sheathing body which are folded such as to have the surfaces thereof directly facing each other and such as to allow the extension of the sheathing during the outward movement of the piston from the cylinder of the caliper body; wherein the plurality of folds is totally arranged on said sheathing portion which extends from the inner diameter to the piston diameter. Pistons incorporating such flexible sheathings and calipers incorporating such pistons are also provided. | 08-01-2013 |
20130206518 | DISC BRAKE PROVIDED WITH A MOVEMENT-CONVERTING CARTRIDGE - A disc brake comprising a floating stirrup and a brake piston controlled via a motion conversion cartridge ( | 08-15-2013 |
20130206519 | DISC BRAKE HAVING A LATCH FOR LOCKING THE CONVERSION CARTRIDGE BY MEANS OF A LATCH - A disc brake comprising a floating stirrup and a brake piston controlled via a motion conversion cartridge ( | 08-15-2013 |
20130240304 | LOW CONDUCTIVITY BRAKE PAD - A multi-layer brake pad assembly includes a layer of friction material, a layer of thermal insulating material, and a backing plate. The thermal insulating material is a fiber reinforced ceramic matrix composite with a high fracture toughness and low thermal conductivity that is disposed between the friction material and the backing plate and restricts the heat flow transmitted through the backing plate into the hydraulic fluid during severe braking, thereby minimizing the onset of brake loss due to hydraulic fluid vaporization as a result of overheating. | 09-19-2013 |
20130240305 | DISC BRAKE CALIPER - The present invention provides a disc brake caliper. The disc brake caliper has a housing and a piston for moving a friction element into contact with a rotor. A yoke is provided for at least partially guiding the piston, and the yoke is positioned within the housing and moveable relative to the housing. A guide member along which the yoke is slideable is provided, and the guide member is a component separate to the yoke and the housing, and is mounted to the housing. | 09-19-2013 |
20130256068 | DISC BRAKE DEVICE - A disc brake device for applying brake to wheels by pressing a disc rotor between pads, the disc brake device includes: pads disposed at a position to press the disc rotor; a first piston which can press one pad; a cylinder which slidably supports the first piston; and a body frame which can press the other pad, the body frame having: a pad connection portion which connects to the other pad in a push-pull manner; and a sliding portion which is slidably supported by the cylinder. The disc brake device includes a caliper bracket which supports the pads not to limit a movement in the axial direction, but to limit a movement in any direction other than the axial direction on disc-rotor-rotating-in and disc-rotor-rotating-out sides of the disc brake device, the caliper bracket being provided integrally with the cylinder and separated from the pad connection portion. | 10-03-2013 |
20130264154 | BRAKE ACTUATING APPARATUS USING AN ELECTRIC MOTOR - A brake actuating apparatus includes a caliper body with a cylinder. An electric motor is fixed to the caliper body. A piston is installed in the cylinder. A plug and a rotational shaft are installed in the cylinder to be rotated by the motor. A head is attached to the rotational shaft and the plug defines a fluid-receiving space. The rotation of head varies the volume of a fluid contained in the fluid-receiving space, thereby moving the piston. | 10-10-2013 |
20130277157 | HIGH THERMAL CONDUCTIVITY DISK BRAKES - An automotive disk brake assembly installed in an automobile having a wheel. The assembly includes a floating caliper supporting an inner and outer brake pad and a brake rotor having a disk, and a hat, and wherein the hat is bolted to the wheel. A hydraulic cylinder is adapted to push the inner brake pads into the disk surface, causing the floating caliper to move bringing the outer brake pad into contact with the disk. Finally, the rotor is made such that a complete 100 kilometer per hour, 0.9 gross vehicle weight braking causes the disk to expand in thickness by at least 0.15 mm and to cool to shrink in thickness, relative to its expanded thickness, by at least 0.1 mm within 60 seconds of the cessation of braking, in an ambient temperature of less than 30° C. | 10-24-2013 |
20130284545 | MECHANICAL TYPE DISC BRAKE - A connecting portion | 10-31-2013 |
20130299288 | ELECTRONIC DISC BRAKE - Disclosed herein is an electronic disc brake. The electronic disc brake includes a carrier on which a pair of pad plates are mounted, a caliper housing, which is slidably installed on the carrier and is provided with a cylinder having a piston mounted therein, a pressure device installed within the cylinder, the pressure device converting rotational motion into rectilinear motion to press and release the piston, the pressure device having an output key which protrudes by penetrating a rear wall of the caliper housing, a motor mounted on an outer surface of the caliper housing to generate drive force, a reducer coupled with a rotary shaft of the motor to amplify the drive force, and a coupling interposed between the reducer and the pressure device to transmit the amplified drive force to the pressure device, wherein the motor, the reducer, and the pressure device are coaxially connected in series. | 11-14-2013 |
20130319801 | HYDRAULIC BRAKE DEVICE - A hydraulic brake device includes at least one caliper body that defines a pressure chamber, at least one elastic enclosure member that is arranged inside the caliper body to operate in combination with the pressure chamber and shows a corrugated configuration, and at least one brake pad mounting assembly, which is arranged on the elastic enclosure member at the side away from the pressure chamber. With fluid passages provided in communication with the pressure chamber, hydraulic fluid can be supplied to compress the elastic enclosure member for driving the brake pad mounting assembly and the brake lining assembly to effect braking. The corrugated configuration helps reducing deformational stress induced in the elastic enclosure member and also reducing operation resistance. A ventilation section is also provided on the caliper body to draw in fresh air for heat dissipating purposes. | 12-05-2013 |
20140020992 | BRAKE ASSEMBLY WITH COMPRESSION SPACER - A braking system for retarding rotation of a wheel includes a rotor having two opposing rotor sides, wherein the rotor is coupled to the wheel. The braking system also includes a knuckle rotatably coupled to the rotor, a caliper disposed relative to the knuckle, and first and second friction pads. Each friction pad is positioned relative to one of the rotor sides. The friction pads are housed within the caliper, which includes a hydraulic piston positioned to engage one of the friction pads. Movement of the hydraulic piston engages the friction pads with the respective rotor sides to retard the wheel. The braking system also includes a spacer disposed between the caliper and the knuckle and a fastener that fixes the caliper and the spacer to the knuckle. The spacer generates a wedging effect between the caliper and the knuckle when the rotation of the wheel is being retarded. | 01-23-2014 |
20140034428 | HYDRAULIC BICYCLE COMPONENT SYSTEM - A hydraulic bicycle component system includes a hydraulic component and a first seal. The hydraulic component has a fluid path filled with hydraulic fluid. The hydraulic component is configured to be coupled to a hydraulic hose. The first seal is arranged to seal an end of the fluid path of the hydraulic component. | 02-06-2014 |
20140034429 | HYDRAULIC BICYCLE COMPONENT KIT - A hydraulic bicycle component kit includes a first hydraulic component and a hydraulic hose. The first hydraulic component has a first fluid path. The hydraulic hose is filled with hydraulic fluid. The hydraulic hose has a first end with a first opening and a first seal that seals the first opening. The hydraulic hose and the first hydraulic component are configured such that the first seal of the hydraulic hose is physically ruptured by a first seal rupturing structure. | 02-06-2014 |
20140034430 | DISK BRAKE - An object of the present invention is to provide a highly reliable disk brake. In a disk brake | 02-06-2014 |
20140041970 | AIR COOLED PISTON CAP ASSEMBLY - An air-cooled piston cap assembly is provided for use in a disc brake caliper that includes a piston cap, and a piston body having a proximal end and a distal end which is slidably movable within a caliper bore along an axis. The piston cap includes a retention portion mounted within the distal end of the piston body, a contact portion located opposite from the retention portion that contacts a brake pad assembly, and an intermediate portion connecting the retention portion with the contact portion. The outer surface of the intermediate portion defines an extended heat exchange path between the contact portion and the retention portion, and may for example hourglass-shaped. An air gap is provided between a top edge of the piston body and an undersurface of the contact portion of the piston cap that allows air to circulate over the extended heat transfer path defined by the outer surface of the contact portion and intermediate portion to cool the cap from frictional heat generated during braking. The contact portion of the piston cap is shaped such that only a part of the surface of the contact portion contacts the brake pad assembly to advantageously reduce both conductive heat transfer and noise during a braking operation. | 02-13-2014 |
20140054117 | CALIPER BRAKE DEVICE FOR VEHICLE - A caliper brake device includes a brake shoe for exerting a friction force by sliding in contact with a disk, a caliper main body fixed to a vehicle and an actuator for pressing the brake shoe against the disk. The actuator includes an elastic film fixed to the caliper main body, a drive pressure chamber defined by the elastic film and supplied with a fluid, a valve introducing the fluid to the drive pressure chamber, and a piston interposed between the elastic film and the brake shoe. The fluid is supplied to the drive pressure chamber and the elastic film swells toward the brake shoe, whereby the piston brings the brake shoe into sliding contact with the disk. The valve introduces the fluid to the drive pressure chamber when the brake is applied while limiting the discharge of the fluid from the drive pressure chamber when the brake is released. | 02-27-2014 |
20140069751 | ELECTRIC CALIPER BRAKE WITH PARKING FUNCTION - Disclosed herein is a electric caliper brake with a parking function. The electric caliper brake includes a caliper submodule to apply pressure to a piston to press the disc by converting rotational motion into rectilinear motion through the received rotation power, an actuator submodule to produce braking force to perform the braking function and parking function, and a self-locking module to transfer the braking force by connecting the caliper submodule to the actuator submodule. | 03-13-2014 |
20140076672 | BRACKETLESS CALIPER - A device comprising: a caliper comprising: one or more piston bores housing a piston; an outboard pad retainer; a bridge; and a shoulder; wherein the caliper is attached directly to a knuckle of an automobile via the shoulder. | 03-20-2014 |
20140090932 | DISC BRAKE - A shim plate relatively movably attached with a friction pad in a rotational direction of a disc is disposed between the friction pad and a reaction section of a caliper, a plurality of claw sections formed to extend in a radial direction of the disc at a position deviated in the rotational direction of the disc with respect to a center of pistons are formed at the reaction section, and movement restriction portions that can abut the intermediate claw section disposed at the middle of the claw sections of the reaction section are formed at a surface of the shim plate opposite to the reaction section in the radial direction of the disc. | 04-03-2014 |
20140090933 | DISC BRAKE - Provided is a disc brake with high reliability. In a disc brake ( | 04-03-2014 |
20140090934 | Multiple-Piston Disc Brake - A multiple-piston disc brake includes a brake caliper overlapping brake disc, at least two pressure pistons that are movably arranged in the brake caliper to apply a clamping force to at least one brake pad in the direction of the brake disc, a pressure plate that is coupled to the at least two pressure pistons, and a clamping unit that has a pressure tube and an adjustment device, abridge and a lever. Each of the at least two pressure pistons is mounted in an axially movable manner in a pressure piston guide securely connected to the brake caliper. | 04-03-2014 |
20140102835 | FLANGED SHIM FOR BRAKE SQUEAL ATTENUATION - A brake pad assembly provided for a disc brake apparatus. The brake pad assembly comprises a backing plate having a flat inner face and a flat outer face oriented opposite to the inner face, a friction member fixed to the inner face of the backing plate, and an anti-squeal shim attached to the outer face of the backing plate. The anti-squeal shim includes a flat support plate attached to the outer face of the backing plate and a straight flat flange plate. The support plate of the anti-squeal shim has a peripheral edge including opposite outer and inner edges and opposite side edges. The flange plate is in the form of a flexible cantilever formed integrally with the support plate of the anti-squeal shim and extends away from one of the outer, inner and opposite side edges of the support plate of the anti-squeal shim. | 04-17-2014 |
20140110197 | INTEGRATED PARKING BRAKE FOR DISC BRAKE - A parking brake actuator for a disc brake caliper having at least one service piston. The parking brake actuator includes a tapered collet having an axial bore for receiving the service piston; a release piston, said release piston in axially alignment with the service piston and said tapered collet, said release piston having an internally disposed taper for co-acting with the taper of said tapered collet; and a biasing means, said biasing means structured and arranged to apply a force to said release piston sufficient to place the parking brake actuator in an actuated condition. | 04-24-2014 |
20140116816 | SYSTEM AND METHOD FOR REDUCING TRANSIENT BRAKE CALIPER DRAG - Systems and methods for reducing transient brake caliper drag in a motor vehicle are provided. The motor vehicle, for example, may include, but is not limited to, an axle, a rotor coupled to the axle, a brake caliper comprising a brake pad configured to engage the rotor, a brake pedal assembly communicatively coupled to the brake caliper, the brake pedal assembly configured to receive user input directing the brake pad to apply a force to the rotor and user input directing the brake pad to disengage the rotor, and a processor coupled to the brake caliper, wherein the processor is configured to determine, after the brake pedal assembly receives user input directing the brake pad to disengage the rotor, the force applied to the rotor, and command the brake caliper to retract the brake pad away from the rotor when the determined force exceeds a predetermined threshold. | 05-01-2014 |
20140124305 | CONTROL-BY-WIRE HYDRAULIC BRAKE STRUCTURE OF BICYCLE - The present invention relates to a control-by-wire hydraulic brake structure of bicycle, which includes a caliper portion that is coupled to two brake shoes that are opposite to and spaced from each other; and a transmission portion, which has an end connected to the caliper portion to control the operation of the two brake shoes of the caliper portion and includes a fluid reservoir, a piston, and a transmission arm. The piston is movably received in the fluid reservoir. The transmission arm has an end pivotally connected to an end of the fluid reservoir that is distant from the caliper portion. The piston has an end that is connected to a predetermined location between two ends of the transmission arm. The transmission arm has an end that is distant from the pivotal connection with the fluid reservoir and is operatively coupled to a brake wire. | 05-08-2014 |
20140238789 | DISC BRAKE ASSEMBLY AND METHOD OF MAKING SAME - A disc brake having one or multiple axially movable rotor discs with annular friction surfaces disposed axially between an annular piston in an annular pressure cavity formed in a housing and annular reaction plate attached to the piston. Friction pads are provided on the reaction plate and also on an axially movable annular reaction disc disposed between the rotor discs. A positioning plate is disposed between the piston and rotor discs and has axially movable poppets thereon, each with a friction pad for contacting the adjacent rotor disc. Individual springs on each poppet bias the poppet pads, rotor discs and friction pads axially together to provide a desired initial braking torque. Upon fluid pressure applied in the piston cavity, the housing moves the positioning plate to move the poppets to release braking torque. | 08-28-2014 |
20140305751 | BRAKE APPARATUS AND BRAKING CONTROL APPARATUS - A brake apparatus includes: a displacement member which is displaced with respect to a disk rotor; a friction member which presses the disk rotor by being pressed by the displacement member thus displaced so as to generate braking force; a hydraulic braking apparatus which displaces the displacement member using hydraulic pressure; an electric-powered braking apparatus which displaces the displacement member using a force that differs from the hydraulic pressure; and a brake ECU which controls the hydraulic braking apparatus based on information acquired from a detection unit which detects information having a correlation with the hydraulic pressure applied to the displacement member. When the electric-powered braking apparatus operates in a state in which braking is being performed by the hydraulic braking apparatus, the brake ECU controls the hydraulic braking apparatus or otherwise the electric-powered braking apparatus so as to suppress hydraulic pressure fluctuation. | 10-16-2014 |
20150041259 | PIN HOLE SHAPE IN A PRESSURE PLATE - A pressure plate comprising: one or more pin holes that include: (a) a leading end; (b) a trailing end; (c) a bottom connecting the leading end to the trailing end; (d) a dampening chamfer; and (e) a top extending between the leading end and the trailing end, and being connected directly to the leading end or the trailing end on one side and an opposing end of the top is connected to the leading end or the trailing end by the dampening chamfer; wherein the dampening chamfer is configured so that when the pressure plate is installed in a brake system and a pin extends through each of the one or more pin holes, movement of the pressure plate during non-braking conditions is redirected by the dampening chamfer. | 02-12-2015 |
20150068853 | VEHICLE DISC BRAKE - According to one embodiment, a vehicle disc brake includes a caliper body, pistons and a pair of friction pads. The caliper body has a pair of operation arms and a bridge portion. Each operation arm has a cylinder bore and a pair of pad guide grooves. The pistons are each inserted into the corresponding cylinder bore. Each friction pad has a lining and a back plate. Each friction pad further includes a pair of lug pieces and a projection. The lug pieces are accommodated in the pad guide grooves so that the friction pads are movable in an axial direction of a disc rotor. The projection is provided so as to be positioned inside an opening portion of the piston with a gap from an inner circumferential surface thereof. | 03-12-2015 |
20150101895 | DISK BRAKE PAD AND DISC BRAKE ASSEMBLY - A disc brake pad includes a lining and a back plate supporting the lining and having a projecting lug portion and a torque transfer surface. The projecting lug portion projects towards a rotor exit side. The torque transfer surface is disposed at a side edge portion which is situated further radially inwards than the lug portion. The projecting lug portion includes a first projecting arc-shaped surface portion which is disposed at a radially innermost portion of a radially inner surface of the lug portion. A portion of the torque transfer surface which lies near to a radially outer end of the torque transfer surface and which is situated further radially inwards than both of the radially inner surface and an action line of a brake tangential force exerted on braking is most projected toward the rotor exit side on the torque transfer surface. | 04-16-2015 |
20150114769 | BRAKE APPARATUS FOR VEHICLE - A brake apparatus for a vehicle according to the present invention may comprise: a caliper body in which a hydraulic chamber is formed; a motor unit mounted in the caliper body; a gear unit coupled with the motor unit; a spindle unit coaxially coupled with the gear unit; a first piston which is movably mounted in the hydraulic chamber, receives a working fluid therein, and is associated with the brake pad; and a second piston movably coupled with the spindle unit for pressurizing the first piston by the working fluid as the second piston is moved toward inside the first piston. | 04-30-2015 |
20150122597 | DISK BRAKE PAD AND DISK BRAKE APPARATUS - A disk brake pad includes a lining and a back plate supporting the lining. A first side part of the back plate in the circumferential direction includes a guided portion configured to engage movably in the axial direction with a guiding portion of a pad support member. The guided portion is disposed at a position more inward in the radial direction than a line of action of a brake tangential force applied in braking, so as to support a brake tangential force applied toward a second side part of the back plate in the circumferential direction in braking. The back plate is configured to support a brake tangential force applied toward the first side part in braking at a portion thereof that exists more outward in the radial direction than the line of action of the brake tangential force. | 05-07-2015 |
20150129370 | FREE-MACHINING WROUGHT ALUMINIUM ALLOY PRODUCT AND MANUFACTURING PROCESS THEREOF - A wrought aluminium alloy product having the following chemical composition, expressed in wt %: | 05-14-2015 |
20150136537 | VEHICLE DISC BRAKE - An embodiment discloses a vehicle disc brake including a caliper body, a banjo and a banjo bolt. An acting portion of the caliper body has a cylinder bore accommodating a piston. The caliper body is formed through a gravity casting method. A gate mark is formed on the bottom wall of the cylinder bore as a result of cutting the gate after the caliper body has been cast, and the gate mark includes a worked surface and a projecting surface. A union hole communicating with a hydraulic pressure chamber and a locking hole receiving the locking projection of a banjo are opened in the worked surface. And, an uneven portion is provided between the worked surface and the projecting surface. | 05-21-2015 |
20150144439 | BRACKETLESS CALIPER - A device comprising: a caliper comprising: one or more piston bores housing a piston; an outboard pad retainer; a bridge; and a shoulder; wherein the caliper is attached directly to a knuckle of an automobile via the shoulder | 05-28-2015 |
20150292583 | BRAKE PAD AND CALIPER DEVICE - The brake pad | 10-15-2015 |
20150354645 | BRAKE CALIPER PISTON ACTUATION DEVICE - A brake caliper piston actuation device comprises a caliper housing ( | 12-10-2015 |
20150360746 | Bicycle Disc Brake Caliper - A disc brake caliper is provided. The disc brake caliper may include a main body having a first portion, a second portion having no bleeding port, and a connecting portion connecting the first portion with the second portion such that a slot for arranging a disc rotor is defined between the first portion and the second portion. Arranged on the first portion are a first fluid port and a second fluid port fluidly connected to the first fluid port by a fluid flow path. | 12-17-2015 |
20150367908 | BICYCLE HYDRAULIC OPERATING SYSTEM - A bicycle hydraulic operating system is basically provided with first and second actuating devices and a hydraulic operated device. The first actuating device includes a first operating member, a first master cylinder and a first master piston. The first master piston moves in the first master cylinder in response to operation of the first operating member. The second actuating device includes a second operating member, a second master cylinder and a second master piston. The second master piston moves in the second master cylinder in response to operation of the second operating member. The hydraulic operated device includes a slave cylinder and a slave piston that is movably arranged in the slave cylinder. The slave cylinder has a slave fluid port that is connected to first and second fluid ports of the first and second master cylinders. Operation of either of the first and second operating members moves the slave piston. | 12-24-2015 |
20150369310 | BRAKE PAD AND CALIPER DEVICE - The brake pad | 12-24-2015 |
20150369311 | BRAKE PAD AND CALIPER DEVICE - A brake pad | 12-24-2015 |
20150369312 | BRAKE PAD AND CALIPER DEVICE - A brake pad | 12-24-2015 |
20150377308 | BRAKE PAD AND CALIPER DEVICE - A brake pad | 12-31-2015 |
20160025163 | BRAKE PAD AND CALIPER DEVICE - A brake pad | 01-28-2016 |
20160053835 | DISC BRAKE CALIPER WITH REDUCED AXIAL DIMENSION - A disc brake caliper, has a caliper body having a pair of half-calipers which define a housing compartment for a portion of an associable brake disc. The half-calipers being placed on opposite sides to the housing compartment in an axial direction parallel to the rotation axis of the associable brake disc. At least one half-caliper is fitted with at least one housing seat for a piston suitable to press a pad against the associable brake disc, in the axial direction. The housing seat passes through the respective half-caliper so as to extend between an inner wall facing the housing compartment and an outer wall of the half-caliper, axially opposite the housing compartment. A cup-shaped hollow insert is housed inside the housing seat so as to present a closed end wall, placed on the side of the outer wall of the half-caliper, and a cavity having an aperture facing axially towards the housing compartment. At least one piston is housed inside the cavity of the insert and is guided axially by an inner side wall of the insert. | 02-25-2016 |
20160069405 | COMPRESSIBLE FILLER PIECE FOR A BRAKE CALLIPER OF A RAILWAY VEHICLE - A compressible filler piece for a brake calliper of a railway vehicle is adapted to at least partially fill out a space needed by a component ( | 03-10-2016 |
20160076612 | FIXED CALIPER DISK BRAKE HAVING STABILIZED BRAKE PADS, AND RELATED ASSEMBLY AND PAD REPLACEMENT METHODS - A fixed caliper brake includes a caliper housing that includes two opposing blocks ( | 03-17-2016 |
20160123418 | BRAKE SYSTEM WITH ACTUATION ASSIST - A wheel braking system includes a fluid source connected to an actuator that applies a force to a friction element for retarding rotation of the wheel. The braking system also includes a hydraulic circuit that has a first fluid passage providing direct communication between the fluid source and the actuator and a second fluid passage in communication with the first passage. The second fluid passage has a first portion and a second portion and includes a reciprocating piston assembly with a first piston fixed to a second piston for selectively amplifying a volume of the pressurized fluid received by the actuator. The first portion of the second passage is in fluid communication with the first piston and the second portion is in fluid communication with the second piston. The first piston has a first diameter and the second piston has a second diameter that is greater than the first diameter. | 05-05-2016 |
20160146274 | BRAKE CYLINDER - A brake cylinder for an air-operated brake, in particular for commercial vehicles, has a housing including a front cover ( | 05-26-2016 |
20160146277 | Disk brake caliper assembly - Disclosed is a disk brake caliper assembly where a second seal is positioned in a second annular groove to eliminate the seizure of the piston cylinder that commonly occurs on trailer brakes that are immersed in water. The second seal is slightly deformable and designed to frictionally engage the piston. The second seal functions as both a wiper to keep dirt and contaminants out of the cylinder assembly and to prevent water ingress. The use of the secondary seal can compliment or eliminate the need for a dust boot. | 05-26-2016 |
20160146345 | PISTON WITH OUT OF PHASE MODE - A brake piston comprising: (a) a rear wall, (b) a cylindrical side wall connected to the rear wall, (c) a recess located within the brake piston, (d) an insert located within the recess of the brake piston; and (e) an adhesive connecting the insert to the recess of the brake piston; wherein the insert is made of metal. | 05-26-2016 |
20160252146 | CENTER-PULL HYDRAULIC BRAKE CALIPER STRUCTURE FOR A BICYCLE | 09-01-2016 |