Class / Patent application number | Description | Number of patent applications / Date published |
188710500 | Plural rotating elements (e.g., "multidisc") | 39 |
20080196982 | Torque pads for aircraft brake systems and aircraft brake system including same - An aircraft brake system ( | 08-21-2008 |
20080283344 | VEHICLE BRAKING SYSTEM - A vehicle braking system that eases assembly of a plurality of rotational friction plates and a plurality of fixed friction plates to a system body. The braking system can include a plurality of rotational friction plates and a plurality of fixed friction plates assembled on a periphery of an annular member such that each of the fixed friction plates is positioned between a pair of the rotational friction plates. A retaining member, such as a circlip, is engaged with each end of the annular member for preventing the rotational friction plates and the fixed friction plates from becoming disengaged with the annular member by axial movement. In addition, outer fixed friction plates can be positioned on each end of the collection of rotational friction plates and fixed friction plates. Pins can be extended through the outer fixed friction plates and retaining members, such as circlips are provided on respective ends of the pins to permit limited relative movement of the outer friction plates relative to one another in the axial direction. | 11-20-2008 |
20080302613 | Wheel-and-brake assembly for aircraft - The invention relates to a wheel-and-brake assembly for an aircraft, the assembly comprising:
| 12-11-2008 |
20080302614 | Aircraft brake particularly adapted for mounting on a conical axle - The invention relates to an aircraft brake for braking a wheel received on an axle presenting in succession a large-diameter cylindrical upstream portion, a conical portion, and a smaller-diameter cylindrical downstream portion suitable for receiving the wheel, the brake comprising:
| 12-11-2008 |
20090242336 | FLOATING-DISK TYPE BRAKE SYSTEM - A floating-disk type brake system includes floating disk assemblies placed respectively in spaces between a rotating member, such as a wheel of a transportation machine or a rotating shaft of a machine tool, and a stationary member. Differences in rotating speed between the adjacent ones of the sliding surfaces of the floating disk assemblies in frictional sliding engagement are reduced. the floating-disk type brake system includes a first floating disk assembly | 10-01-2009 |
20090277727 | BATTERY FORKLIFT DRIVE UNIT - The invention is aimed at providing a battery forklift drive unit which makes a large space unnecessary for disposing brakes in the vicinities of drive units, thereby to achieve making the vicinities of drive units compact in a battery forklift. To this end, a second gear disposed in a drive case of the drive unit is formed inside with a space in which a wet type brake section is disposed and the wet type brake section comprises an inner disk whose entire inner periphery is attached to the second gear, an outer disk which lies opposite to the inner disk and whose entire outer periphery is attached to a side of the drive case, and a pressure plate for pressing together the inner and outer disks lying opposite to each other. | 11-12-2009 |
20100025164 | Aircraft brake assembly having steel-backed carbon pressure plate - An aircraft brake assembly ( | 02-04-2010 |
20100072002 | Aircraft brake using mixed carbon composite friction couple with different degrees of graphitization for improved rejected take off and wear performance - An improved aircraft brake system and method of manufacturing the same. The system comprises a rotatable wheel axle, a heat treated stationary carbon disc secured to the wheel axle and a rotating carbon disc heat treated to a temperature substantially higher than the heat treating temperature of the stationary carbon disc and rotatably supported relative to the wheel axle and arranged parallel to the stationary carbon disc. The method comprises heat treating the rotating and stationary carbon discs to different final temperatures prior to assembly of the aircraft brake system. | 03-25-2010 |
20100140027 | ASYMMETRICAL BRAKE TORQUE PLATE BACK LEG - A brake comprising a brake disk stack including stators alternating with rotors that are rotatable relative to the stators about an axis of the disk stack, an annular torque plate at one axial end of the brake disk stack, and a circumferential arrangement of actuators at the other axial end of the brake disk stack for urging the brake disk stack against the torque plate thereby to effect a braking force on the rotors. A back leg ( | 06-10-2010 |
20100206672 | EMERGENCY BRAKE - An emergency brake. The emergency brake includes a pack of disks and counter-disks. A resilient actuator acts on the pack to push the disks and counter-disks into a braking condition. A piston acts on the pack in opposition to the resilient actuator in order to disable braking. A hydraulic circuit has a pressurized hydraulic fluid controlling the piston, which can be activated to actuate the piston in a condition releasing braking of the pack. The hydraulic circuit also has a branch delivering actuator fluid to the braking pack to lubricate and cool the braking pack when the circuit is deactivated. | 08-19-2010 |
20100236876 | BRAKE LINING FOR A SINGLE-DISK OR MULTI-DISK BRAKE - Disclosed is a brake lining ( | 09-23-2010 |
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 |
20110186390 | Brake Mechanism for a Vehicle - The invention relates to a brake mechanism ( | 08-04-2011 |
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 |
20120125722 | Variable torque brake and drum system - A stationary shaft supports a fluid-tight rotatable drum which receives an elongated flexible restraining member. The shaft has a threaded portion which receives an actuating nut connected to rotate with the drum through a detent mechanism. Spaced compression springs extend axially between the nut and a stack of interfitting annular brake disks and brake plates, with the disks splined to the shaft and the plates rotatable with the drum. The stack is immersed in an oil-shear cooling fluid that contacts the drum, and the nut and springs are effective to compress the stack with increasing force in response to rotation of the drum for progressively increasing the resistance torque on the drum as the restraining member is pulled from the drum. The detent mechanism limits the compression force on the stack and the tension force on the restraining member while the drum continues to rotate. | 05-24-2012 |
20120175198 | ELECTROMECHANICAL ACTUATOR WITH DUAL EXCITATION - A braking actuator for a brake of an aircraft, the actuator comprising:
| 07-12-2012 |
20120199424 | FLOATING-DISK TYPE BRAKE SYSTEM - A floating-disk type brake system that includes floating disk assemblies placed respectively in spaces between a rotating member, such as a wheel of a transportation machine or a rotating shaft of a machine tool, and a stationary member to reduce differences in the rotating speed of adjacent sliding surfaces of the floating disk assemblies in frictional sliding engagement. The floating-disk type brake system includes a first floating disk assembly and a first disk assembly that are arranged between the ring gear and the planet carrier of a planetary gear built in a transmission or the like, and the first floating disk assembly and the first disk assembly are pressed together into frictional engagement to brake a rotating shaft. | 08-09-2012 |
20120318620 | OIL COOLED BRAKE - A vehicle oil-cooled brake comprising has an oil-containing chamber housing one or more rotatable brake discs ( | 12-20-2012 |
20120325594 | SYSTEMS AND METHODS FOR BRAKE WHIRL MITIGATION - Systems and methods for whirl mitigation in an aircraft braking system are provided. For example, an apparatus is provided comprising a brake disk stack including a torque tube having a first axial end and a second axial end, a back leg near a first axial end of the torque tube, and a circumferentially disposed spline extending from the back leg towards the second axial end of the torque tube. | 12-27-2012 |
20130180809 | WET BRAKE DEVICE - A plurality of rotating side brake disks and a plurality of non-rotating side brake disks are arranged outside in the radial direction from a motor shaft in a brake case while alternately overlapping with each other. A frictional material is provided only on the non-rotating side brake disk in these rotating side brake disk and the non-rotating side brake disk. As a result, the weight of the rotating side brake disk can be reduced, and drag resistance of the rotating side brake disk rotating also in brake release can be reduced. | 07-18-2013 |
20130186714 | WET BRAKE ASSEMBLY - A brake assembly for a mobile machine is disclosed. The brake assembly may have a stationary housing forming a coolant inlet and a coolant outlet, a rotatable member, and a disc stack disposed within a cavity at least partially formed by the stationary housing and the rotatable member. The disc stack may have a plurality of friction plates operatively coupled to the rotatable member and a plurality of separator plates interleaved with the plurality of friction plates and operatively coupled to the stationary housing. The brake assembly may also have a piston disposed within the cavity and configured to compress the disc stack, and a seal located at an axial interface between the stationary housing and the rotatable member and downstream of the disc stack relative a flow of coolant from the coolant inlet to the coolant outlet. | 07-25-2013 |
20130186715 | SEPARATOR PLATE FOR BRAKE ASSEMBLY - A separator plate for use in a brake assembly is disclosed. The separator plate may have a generally plate-like ring with an inner diameter, an outer diameter, and a thickness. The separator plate may also have a plurality of protrusions extending radially outward from a periphery of the generally plate-like ring. A thickness of the generally plate-like ring is about 3.5-3.9 mm. | 07-25-2013 |
20130299286 | BRAKE FOR AN AIRCRAFT WHEEL - A brake for an aircraft wheel comprising an actuator-carrier | 11-14-2013 |
20130313053 | ARRANGEMENT FOR SUPPLYING OIL TO A BRAKE - An arrangement is provided for supplying oil to a brake arranged for braking an output shaft of a planetary gear. The arrangement includes a rotatable impeller for supplying oil to the brake and the impeller is arranged to be rotated by an input shaft of the planetary gear. | 11-28-2013 |
20140131147 | DISC BRAKES - A multi-plate disc brake has interleaved rotatable and non-rotatable brake discs ( | 05-15-2014 |
20140158478 | SEPARATOR PLATE - A separator plate is disclosed. The separator plate may include a plate-like ring including an inner diameter, an outer diameter, and a thickness. The separator plate further includes a generally smooth surface disposed on opposing sides of the plate-like ring spaced apart by the thickness and a plurality of apertures extending from the inner diameter to the outer diameter within the thickness of the ring. The cross-section of each of the plurality of apertures remains generally consistent in cross-sectional are along the extent from the inner diameter to the outer diameter. | 06-12-2014 |
20140209417 | BRAKE STRUCTURE FOR HOIST - The invention includes a passive shaft, having a first gear and an outer thread; a fixed disc, being axially passed through by the passive shaft, having a sleeve located at a center thereof; a ratchet, being a hollow body around the sleeve, and having two friction discs separately on two opposite sides thereof, wherein a first bearing is put around the sleeve and sandwiched between the fixed disc and the ratchet; a second gear, having an inner thread screwed onto the outer thread and an annular wall at a center thereof, wherein a second bearing is received in the annular wall and sandwiched between the second gear and the ratchet; and a pushing disc, movably put around the annular wall, and sandwiched between the ratchet and the second gear. | 07-31-2014 |
20140238787 | PARKING BRAKE DEVICE - A first component, which is connected to a transmitting component that transmits a brake operation by a driver, is arranged to travel, in response to the brake operation, in a direction in which the transmitting component travels. A second component has a pressure portion to press a brake piston, which actuates friction components of a brake mechanism, in a direction different from the direction in which the transmitting component travels. The first component has an inclined surface. The second component has a contact portion, which comes into contact with the inclined surface, and is arranged such that the pressure portion turns about a fulcrum upon the traveling of the first component. | 08-28-2014 |
20140318904 | Liquid Cooled Brake With Support Columns - A liquid cooled brake is provided having an improved housing that provides strong yet lightweight structural support. The brake includes end plates disposed about a driven shaft and axially spaced from one another. A plurality of axially extending pins connect the end plates. A friction plate is coupled to the driven shaft for rotation therewith and is axially movable relative to the driven shaft. Another friction plate defines a fluid jacket and is coupled to the pins. The friction plate is fixed against rotation, but axially movable, relative to the pins. A pressure plate is configured for selective movement towards the friction plates. Support columns are disposed radially outwardly of each pin and fixed to the end plates The support columns prevent undue strain on the pins. Ventilated guards may also be located between each pair of columns to limit access to internal working components of the brake. | 10-30-2014 |
20150122593 | HYBRID BRAKING SYSTEM AND APPARATUS - The present disclosure relates to hybrid brake systems, The hybrid brake systems may comprise one or more electromechanical actuators and one or more hydraulic adjusters, The hybrid brake system may further comprise a housing configured to store and/or conduct fluid. The hybrid brake system may also further comprise a fluid reservoir. The hybrid brake system may be redundant, | 05-07-2015 |
20150129368 | SYSTEM AND METHOD FOR MAXIMUM BRAKING - Systems and methods for reducing the speed of an aircraft are disclosed herein. An electronic brake control system may include a first braked wheel of a landing gear system, a brake pedal electronically coupled to the first braked wheel, and a first actuator. The first actuator may be configured to deliver a scalable clamping force on the first braked wheel via a brake stack. The first actuator may be configured to deliver an emergency maximum clamping force on the first braked wheel in response to the electronic brake control unit being in an emergency condition braking mode and a signal being received proportional to the brake pedal displacement. The emergency maximum clamping force results in the first actuator being driven in an overdriven state. | 05-14-2015 |
20150129369 | KEYED BRAKE DISK ASSEMBLY - Friction disks, such as rotors and stators, including floating cores are disclosed. The friction disks may include a carrier plate and a wear liner coupled to each side of the core. The floating core may be located between the wear liners. The floating core may include a key which is located within a key notch in the carrier plate. The key may prevent the floating core from rotating relative to the carrier plate. | 05-14-2015 |
20150337915 | DISC BRAKE FOR AN AIRCRAFT WHEEL - The invention relates to a disc brake for an aircraft wheel, comprising friction discs ( | 11-26-2015 |
20160040736 | Wheel Housing with Accumulator - A wheel housing for a vehicle, such as a truck. The wheel housing includes a rotatable hub and stationary axle housing disposed within the hub. A wet brake assembly is disposed between the axle housing and the hub. The wet brake assembly includes a disc stack, which includes a plurality of friction plates that are coupled for rotation with the hub and that are separated from each other by a plurality of separator plates that remain stationary with the axle housing. The disc stack is cooled by coolant or oil that flows through a closed circuit. During a braking event, pressure spikes in the coolant circuit are alleviated by the placement of a compressible accumulator in the outlet passageway of the coolant circuit. | 02-11-2016 |
20160178022 | Clover Leaf Hub | 06-23-2016 |
20180023641 | ELECTROMAGNETIC-RELEASED, MULTI-DISC ENCLOSED SAFETY BRAKE | 01-25-2018 |