Disk On Axle Patents (Class 188/58)
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Patent number: 11181167Abstract: A wheel/hub assembly includes an axle shaft, a wheel, and a hub supporting the wheel on the axle shaft. The wheel/hub assembly has a target resonant frequency of vibration. A tuned mass-spring damper is vibrationally coupled to the wheel/hub assembly, and has a counteracting resonant frequency of vibration that is predetermined with reference to the target resonant frequency of vibration.Type: GrantFiled: April 17, 2018Date of Patent: November 23, 2021Assignee: Bridgestone Americas Tire Operations, LLCInventors: Benjamin E. Rimai, Mohammad M. Motamedi, Yousof Azizi
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Publication number: 20130140112Abstract: A brake device of a vehicle, containing an eddy current disk brake having a rotationally fixed stator and a rotating rotor, wherein the rotor or the stator bears an eddy current path and the stator or the rotor bears a magnetic arrangement, the magnetic field lines of which induce eddy currents in the eddy current path for generating a braking torque upon a relative movement of the rotor with respect to the stator, and a friction disk brake having at least one brake disk and brake pads cooperating with the brake disk for generating a braking friction torque between the brake disk and the brake pads, wherein the rotor of the eddy current disk brake is formed by the brake disk of the friction disk brake.Type: ApplicationFiled: July 27, 2011Publication date: June 6, 2013Applicant: KNORR-BREMSE SYSTEME FÜR SCHIENENFAHRZEUGE GMBHInventors: Manfred Walter, Miriam Van De Loecht
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Patent number: 8371422Abstract: A torque plate for a vehicle brake is comprised of a sheet metal body. The sheet metal body includes a center opening that defines a lateral axis and a plurality of mounting holes. The center opening receives an axle housing and the mounting holes are used to secure the vehicle brake to the torque plate. Each mounting hole is defined by a center axis that is non-parallel to the lateral axis.Type: GrantFiled: June 9, 2008Date of Patent: February 12, 2013Assignee: Meritor Wabco Vehicle Control SystemsInventors: Mark L. Frost, Daniel J. Philpott
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Publication number: 20090229930Abstract: A disc brake caliper for a rail vehicle comprises brake pad holders suspended—at either side of a brake disc to be braked—for movements only in a plane perpendicular to a substantially horizontal center-line of the caliper. Members of the caliper for transmitting movements from a brake unit to the brake pad holders are suspended from the vehicle via only elements of rubber-elastic material in an elastic joint allowing movements to a certain extent of said members in all directions. The elastic joint comprises at least one plate-shaped rubber-elastic element, which is substantially horizontally mounted in compression between a part for attachment to the vehicle and one of said members of the caliper.Type: ApplicationFiled: October 7, 2008Publication date: September 17, 2009Inventors: Fred Emilsson, Ulla Melin Emilsson, Johan Martensson
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Patent number: 6883630Abstract: A brake system is provided for a straddle-type ATV. The brake system includes a brake caliper configured to mount to a gear box of the ATV and a brake disk configured to connect to a coupling member of the gear box coupled to a shaft and positioned in operative relation relative to the caliper. The brake system additionally includes a brake-actuating control mechanism in communication with the brake caliper. The brake-actuating control mechanism controls the brake caliper to provide selective frictional engagement between the brake caliper and the brake disk.Type: GrantFiled: November 29, 2001Date of Patent: April 26, 2005Assignee: Bombardier Recreational Products Inc.Inventor: Vincent Morin
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Patent number: 6712185Abstract: The invention relates to a disk brake unit for a vehicle wheel including a hub and a brake disk. The brake disk includes an outer ring and an inner ring, the inner ring and the outer ring being non-rotatably linked together. The outer ring includes a friction ring. The inner ring includes an internal surface with inner dogs for contacting a hub. The brake disk is adapted to prevent heat from being transmitted from the friction ring to the internal surface.Type: GrantFiled: May 17, 2002Date of Patent: March 30, 2004Assignee: Visteon Global Technologies, Inc.Inventors: Markus O. Wallentin, Thomas R. Svensson
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Publication number: 20040035648Abstract: The invention relates to a drive unit for driving at least one wheel drive shaft, in particular of a wheelset axle, in particular a cross-drive for use in rail vehicles with a driving engine and a transmission assembly coupled thereto; the output of the transmission assembly is formed by a hollow shaft which is coupled to the wheel drive shaft, in particular the wheelset axle, via an articulated coupling; with a braking system. The invention is defined by the following features: the braking system comprises two braking subsystems; a first braking subsystem and a second braking subsystem; the braking subsystems are embodied as disk brake systems, each comprising at least one brake disk; an attachment flange of the brake disk of a braking subsystem is embodied in integral fashion with the hollow shaft.Type: ApplicationFiled: May 9, 2003Publication date: February 26, 2004Inventors: Jurgen Reusch, Frieder Denteler, Harald Kamper
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Patent number: 6666305Abstract: The invention relates to a brake application device for a motor vehicle brake, in particular to a brake application device for a rail vehicle brake and preferably to a brake application device for a rail vehicle disc brake, comprising a braking force generator for applying and/or releasing the vehicle brake and a braking force converter for converting the energy delivered by the braking force generator into a brake application motion. The brake application device is characterised in that the braking force converter is configured in such a way that the force which is to be exerted by the braking force generator during braking, in order to generate a defined brake application force which is greater than zero and less than the maximum brake force, measures zero.Type: GrantFiled: April 16, 2002Date of Patent: December 23, 2003Assignee: Knorr-Bremse Systeme fur Schienenfahrzeuge GmbHInventor: Manfred Vohla
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Patent number: 6557672Abstract: The invention is a brake disk. The brake disk has at least one friction ring which can be engaged by a brake shoe on at least one side. The friction ring is divided into at least two ring segments having mutually facing end areas configured to be coupled with one another adjacent a junction and separation area. A separation gap is formed between the mutually facing end areas, which mesh with one another. At least one connection device is positioned in the junction and separation area for coupling the ring segments together.Type: GrantFiled: November 13, 2000Date of Patent: May 6, 2003Assignee: Knorr-Bremse Systeme fur Schienenfahrzeuge GmbHInventor: Xaver Wirth
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Publication number: 20030024775Abstract: A vehicle brake assembly utilizes a damping mechanism to eliminate brake linings. The brake assembly includes a fixed base plate and an actuation plate rotatable relative to the base plate. The base plate includes a plurality of orientation slots and the actuation plate includes a plurality of actuation slots with each one of the actuation slots partially overlapping one of the orientation slots. A cam having a plurality of cam-lobes formed about the circumference is mounted for rotation with an axle shaft. A plurality of dampers interact with the cam to brake the vehicle. Each damper includes a mounting portion that extends through one of the orientation slots and the corresponding actuation slot, and which has a movable distal end that engages the cam. A motor and gear assembly control rotation of the actuation plate and cause the distal ends of the dampers to engage the cam to perform a brake actuation.Type: ApplicationFiled: August 2, 2001Publication date: February 6, 2003Inventor: Steven Baldwin
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Patent number: 6318511Abstract: The friction device comprises a non-rotary casing (50) in the form of a cage in which there are received a thrust structure (30), a set of friction disks (21, 22, 23, 24, 25) on a common axis, and a backing structure (40), the casing having a peripheral wall provided with ventilation openings (54). The friction device is actuated by a pneumatic actuator (60) mechanically connected to the central portion of the thrust structure through a central opening in an end wall (51) of the casing. Thermal insulation is arranged between the set of disks (21, 22, 23, 24, 25) and the outside of the casing adjacent to the end wall provided with the bearing unit (11) for the rotary shaft (10), and comprises at least one heat barrier (76-77, 78-79) situated at the bearing unit (11).Type: GrantFiled: July 24, 2000Date of Patent: November 20, 2001Assignee: Messier-BugattiInventors: Didier Clement, Jean-Michel Garcia, Olivier Borgeaud
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Patent number: 6116382Abstract: The invention relates a braking device for a railroad vehicle including traction structure (1, 2) arranged to apply a braking pad on a braking surface affixed to a wheel of the vehicle. It includes a reaction member (11, 20), at least one lever (6; 6', 6"; 33, 33') arranged to cooperate with the reaction member, connecting structure (23, 41) between the traction structure and the lever, the braking pad being borne by the lever to be applied on the braking surface by pivoting of the lever under the action of the traction structure and of the reaction member.Type: GrantFiled: January 28, 1998Date of Patent: September 12, 2000Assignee: Societe des Forges de FresnesInventors: Jean-Michel Deramaux, Bernard Caron
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Patent number: 6068091Abstract: An externally mounted bracket system for disc brakes, as especially associated with the drive trains of heavy duty vehicles, wherein a generally T-shaped bracket plate may be secured to the housing of either a transmission or a rear axle, and a fluid pressure brake cylinder and associated braking calipers are mounted to the bracket plate, whereby the bracket system is readily installed adjacent a rotor disc, and is easily accessible for adjustment or repair.Type: GrantFiled: December 24, 1997Date of Patent: May 30, 2000Inventor: George Finley
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Patent number: 5934418Abstract: A brake lining for partial-lining disk brakes, particularly of rail vehicles, wherein several friction or lining elements are provided which can be fastened to a support plate individually or in groups, in which case several support plates are arranged either directly on the lining holder of the disk brake arrangement or on a lining support which can be fastened to the lining holder. For rendering the surface pressure generated during the braking uniform, the support plates are swivellably linked to the lining support or lining holder, in the case of a group-like assignment, several (at least two) lining elements being swivellably arranged on the support plate.Type: GrantFiled: March 28, 1997Date of Patent: August 10, 1999Assignee: Knorr-Bremse System Fur Schienenfahrzeuge GmbHInventor: Xaver Wirth
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Patent number: 5788026Abstract: A rotational element, to be braked, is provided on two opposite sides with braking discs. Each of the braking discs is constituted by an odd number of at least three segments. There are elements rigidly joining the segments together, elements rigidly fixing the segments to the rotational element and elements rigidly joining together the discs arranged on opposite sides of the rotational element. The rotational element includes a hub and a rim, joined by a web. In a preferred embodiment, the web includes a first radial region of greater rigidity located closer to the hub and a second radial region of lesser rigidity located closer to the rim. In these regions there are provided respective series of through apertures. The braking discs are secured to the rotational element in correspondence with the more rigid radial region. The rotational element can be provided as a central portion of a larger structure, or as an actual wheel, such as a railway wheel.Type: GrantFiled: August 7, 1996Date of Patent: August 4, 1998Assignee: Poli Officine Meccaniche S.p.A.Inventor: Antonio Poli
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Patent number: 5452776Abstract: Rail vehicles have a brake linkage being acted on by a brake cylinder for acting on at least one wheel set of a bogie, truck or running gear of the rail vehicle through brake blocks having brake block shoes and brake block shoe inserts. A block brake for rail vehicles should be economical and be constructed in such a way that higher braking capacities can be achieved, that damage to the tires of the wheels of the wheel set is avoided and that wheel noise of the wheel sets is minimized. The block brake includes at least one rotationally symmetrical brake body being fixedly disposed on a wheel set shaft of the wheel set between the wheel discs of the wheel set. The acted-on brake block rests on an outer surface of the brake body.Type: GrantFiled: August 4, 1994Date of Patent: September 26, 1995Assignee: ABB Henschel Waggon Union GmbHInventor: Gunter Kohler
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Patent number: 5407032Abstract: The invention relates to a braking system for a rail vehicle, the braking system having at least one braking assembly mounted on an axle of the vehicle, and a friction disk and pads, at least the friction disk being made of a composite material based on carbon, the friction disk being keyed to the axle, the pads being disposed on stators housed in elements flanking the disk. The flanking elements are supported by the vehicle or a bogie corresponding to the axle, and the stators for the pads are actuated by actuators, the flanking elements being supported by the vehicle or by the bogie via a hinge member allowing for track distortion and play. A return member connects the elements to the vehicle or to the bogie.Type: GrantFiled: October 25, 1993Date of Patent: April 18, 1995Assignee: GEC Alsthom Transport SAInventors: Louis-Marc Gaudefroy, Alain Van Hemelryck
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Patent number: 5325939Abstract: A drive unit for vehicles driven on rails includes an electric drive motor. A transmission which is driven by the drive motor has a main transmission hollow drive shaft. A hollow coupling shaft supports brake surfaces. One flexible rubber coupling is connected between the hollow drive shaft and one end of the hollow coupling shaft, and another flexible rubber coupling is connected between a wheel of a wheel set and another end of the hollow coupling shaft.Type: GrantFiled: November 13, 1992Date of Patent: July 5, 1994Assignee: ABB Patent GmbHInventor: Lutz Schwendt
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Patent number: 5010985Abstract: A disc assembly for a vehicle disc brake has a rotor with a pair of opposite faces from which are mounted annular braking discs. Each disc is mounted for limited radial movement on a carrier device by fasteners located outside the braking area of the disc; and the disc and the carrier device have complementary radial abutment faces, the carrier device being mounted on the rotor by connectors. The brake torque is transmitted from the discs to the carrier device by the abutment faces and then to the rotor by the connectors. This provides a simple construction which reduces stress on the discs and permits and guides radial expansion of the discs during braking.Type: GrantFiled: August 30, 1989Date of Patent: April 30, 1991Assignee: Lucas Industries Public Limited CompanyInventors: David F. Russell, Keith Mungo
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Patent number: 4729455Abstract: The invention provides a wheel assembly consisting of first and second spaced apart coaxial wheels. The wheel are mounted on a support structure such that they can rotate relative to one another. A first brake rotor is non-rotatably connected to the first wheel, and a second brake rotor is non-rotatably connected to the second wheel. A brake stator is operable on each rotor to oppose rotation of the two brake rotors simultaneously.Type: GrantFiled: August 2, 1985Date of Patent: March 8, 1988Assignee: Urban Transportation Development Corporation Ltd.Inventor: Colin C. May
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Patent number: 4638891Abstract: Shaft braking disc with a unitary, ventilated friction ring (3), provided with ventilation ribs (4) some of which have radially inwardly extending support spokes (2) terminating in a hub (1) and having a cross section area which gradually diminishes in the radially inward direction. Attached to both sides of these spokes in the circumferential direction are reinforcement ribs (7) whose cross sectional areas gradually increase in the radially inward direction, in such manner that the sum of the cross sections of a support spoke (2) and its reinforcement ribs on both sides is at least substantially constant over the entire radial length of the spoke.Type: GrantFiled: September 3, 1985Date of Patent: January 27, 1987Assignee: Knorr-Bremse AGInventor: Xaver Wirth
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Patent number: 4498562Abstract: A brake arrangement is disclosed for rail vehicles which include two track wheel sets having two wheels connected by a shaft. A multi-stage reduction gear is connected to each track wheel shaft. The two multi-stage reduction gears are connected to an electric motor which has an armature shaft extending in the direction of movement of the rail vehicle. Each multi-stage reduction gear has at least one intermediate power transmission shaft which extends out of a housing of the reduction gear. At least one disc brake is connected to each intermediate shaft at a position outside the reduction gear housing. A caliper arrangement with calipers and caliper actuators is rigidly connected to the housing and engages the disc so that there is no relative movement between the disc and the housing during operation of the rail vehicle.Type: GrantFiled: November 23, 1981Date of Patent: February 12, 1985Assignee: Thyssen Industrie AGInventor: Ernst Piepenbreier
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Patent number: 4497257Abstract: A multiple wheeled vehicle in which at least some of the wheels are upwardly retractable by rotation of arms carrying the wheels. Hydraulic cylinders control the rotational position of the arms, and movable rods are connected to the hydraulic cylinder means. Coil springs urge the rods toward a position where the hydraulic cylinders and arm means position the wheel in a relatively downward rotational position, so that the retractable wheels may be alternatingly retracted upwardly and lowered downwardly by the hydraulic cylinder means, while also possessing a spring suspension system. Additionally or alternatively, non-retractable rail wheels may be present, being driven by internal, planetary-type, differential axle means defining internal brake means spaced centrally inwardly from the rail wheels by a distance sufficient to avoid damage to the brakes upon derailment.Type: GrantFiled: December 3, 1981Date of Patent: February 5, 1985Assignee: White Machinery CorporationInventor: Eugene B. White, Jr.
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Patent number: 4258629Abstract: A radial axle railway truck of the rigid frame type has an improved primary suspension for resiliently supporting the truck frame from the axles while permitting arcuate movements of the ends of the axles required to allow the axles to assume radial positions on curved track and an improved disc brake system arranged to minimize interference with wheel-induced steering movements of the axles. The primary suspension comprises journal bearing structures with fore and aft wings, a yoke supported on the wings by flat elastomeric pads yieldable horizontally to accommodate steering movements of the axles and chevron-shaped elastomeric springs carried on the yokes fore and aft of the respective journal boxes and acting in parallel with metal coil springs carried by the yokes.Type: GrantFiled: September 4, 1979Date of Patent: March 31, 1981Assignee: General Steel Industries, Inc.Inventors: Keith L. Jackson, James J. Reece, Kenneth E. Spencer
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Patent number: 4039051Abstract: A disc brake construction, especially for rail vehicles, in which a bogie having at least one axle rotatable therein is provided with brake discs on the inner sides of the wheels on the axle. The disc brake construction embodies a brake shoe adjacent each disc, each of which is pivotally supported on a lever pivotally supported on the bogie. Brake actuating mechanism extending transversely of the bogie is operatively connected to and supported by the levers for actuating the levers to cause the shoes to engage the respective discs. A mechanical device can also be operatively connected to the levers for mechanically actuating the brakes. The entire brake structure, other than the discs on the respective wheels, is supported by the bogie on which the wheel axle, or axles, rotates.Type: GrantFiled: September 8, 1975Date of Patent: August 2, 1977Assignee: Bergische Stahl-IndustrieInventor: Alfred Otto
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Patent number: 4014409Abstract: This invention relates to a braking apparatus wherein the heat absorbing mass of a rotating braked element, such as a vehicle wheel, is increased by securing to such as each wheel of a vehicle, a brake drum, the peripheries of the wheels and drums constituting braking surfaces against which a plurality of brake shoes are pressed during a brake application by a movable member between which and each pair of the plurality of brake shoes there is interposed an equalizer lever that is pivoted intermediate its ends on the movable member, each equalizer lever being thereby rockable relative to the movable member to enable each one of the corresponding pair of brake shoes to transmit substantially the same braking force to the braking surface braked thereby notwithstanding the rate of wear of either one of any pair of brake shoes exceeding that of the other brake shoes.Type: GrantFiled: June 17, 1975Date of Patent: March 29, 1977Assignee: Westinghouse Air Brake CompanyInventors: Andrew G. Haydu, Robert B. Morris
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Patent number: 3974780Abstract: Railway truck having side frames at a fixed lateral spacing with each side frame axle bearing support located between two track width locations to be accommodated, the side frames having universal-movement retaining mountings for replaceable rigid wheel-axle bearing units which provide mounting means for wheels inside the side frames for narrow gage track and mounting means for wheels outside the side frames for wide gage track and means for mounting brake disks at the same space location outside the side frames when wheels are located either inside or outside the side frames.Type: GrantFiled: July 8, 1974Date of Patent: August 17, 1976Assignee: The Budd CompanyInventor: Henry F. Estrada
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Patent number: 3941220Abstract: A vehicle brake having a plurality of elongated, laterally supported friction members for engagement with the brake wheel. An adjustable actuating mechanism engages the members and includes a screw surrounded by a guide tube of friction material which engages the wheel.Type: GrantFiled: February 25, 1975Date of Patent: March 2, 1976Assignee: Girling LimitedInventor: Anthony William Harrison