Disc Brakes Patents (Class 188/18A)
  • Patent number: 6152270
    Abstract: A disc of a disc brake for vehicles in general and for high-performance cars in particular, which is of unusually low weight, comprises a hub and an annular brake member traversed by ventilation ducts extending between an internal annular face element and an external annular face element of the annular brake member interconnected by bridging columns, a projecting portion of the brake member being embedded in the hub during the manufacture of the hub by casting in a light alloy.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: November 28, 2000
    Assignee: Brembo S.p.A.
    Inventor: Alberto Giorgetti
  • Patent number: 6152267
    Abstract: To arrange a mounting portion of a disk brake in such a manner as to not be offset from a bearing portion of a caliper bracket. A large diameter disk flange is formed on one side surface of a hub of a front wheel. An inner peripheral end portion of a disk brake is mounted on the disk flange. A small diameter boss is formed inside the disk flange on the hub. An inner end of a bracket boss formed integrally with a caliper bracket is fitted in an inner surface of the projecting end of the boss. The bracket boss is supported by inner and outer bearings on the axle. A center of the disk brake passes through a portion between the inner and outer bearings side. Accordingly, the mounting portion for mounting the disk brake on the disk flange is not offset from the bearing portion composed of the outer bearing and the inner bearing of the bracket boss.
    Type: Grant
    Filed: September 23, 1998
    Date of Patent: November 28, 2000
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Toshiyuki Iwai, Shinji Ito
  • Patent number: 6153988
    Abstract: An arrangement for operating a brake of a vehicle has a controllable operating electric motor and a conversion device for converting the rotational movement of the operating electric motor into a translational movement of one or several brake element(s) which are in an operative connection with the conversion device. At least one additional electric motor is provided which can be controlled separately of the operating electric motor and has at least one additional conversion device for converting the rotation of the at least one additional electric motor into a translational movement of the brake element(s) which is independent of the translational movement caused by the operating motor and its conversion device.
    Type: Grant
    Filed: September 23, 1998
    Date of Patent: November 28, 2000
    Assignee: DaimlerChrysler AG
    Inventors: Gregor Reimann, Karl-Heinz Roess
  • Patent number: 6139215
    Abstract: The invention concerns a disc-hub connection for connecting a brake disc to a hub, in particular for utility vehicle disc brakes. In its inner peripheral region the brake disc comprises support elements, the hub comprising cams in its outer peripheral region. Intermediate elements are used to transfer torque from the cams of the hub to the support elements of the disc, the cams of the hub engaging in the intermediate elements and the latter engaging in the support elements.
    Type: Grant
    Filed: May 21, 1998
    Date of Patent: October 31, 2000
    Assignee: Knorr-Bremse System fuer Nutzfahrzeuge GmbH
    Inventors: Victor Kuhne, Dieter Bieker
  • Patent number: 6135248
    Abstract: A brake disk has an inner annular portion or hub area and an outer annular portion or rub area that are interconnected by a number of spaced arms extending radially and circumferentially between the inner and outer annular portions. The arms can be formed (e.g. stamped) in a number of configurations, whereby the stress on the disk caused by the heat generated in the outer annular portion during braking is relieved by arm deflection, thus preventing warping of the disk. The arms are also configured to distribute stress relatively evenly throughout the arms during expansion and contraction of the outer annular portion, thereby preventing cracks and fractures.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: October 24, 2000
    Assignee: Hayes Brake, Inc.
    Inventors: Korey Johnson, George H. Hinkens, Glenn S. Metzelfeld
  • Patent number: 6135247
    Abstract: A wheel hub and brake disc arrangement for a vehicle wheel includes a wheel hub with alternately following grooves and teeth with inclined flanks, and a brake disc, carried on the part of the wheel hub, having a concentric opening which is formed with corresponding teeth and grooves which are adapted to the grooves and teeth of the hub, the brake disc being locked against rotation on the hub and having a slip fit between the disc and the hub. In order to reduce the heat transfer between hub and disc and minimize the stresses in the disc caused by the temperature distribution and the mechanical effects, the tip arc length for each tooth is less than the root arc length for each groove which is delimited by two opposing flanks of adjacent teeth, the flanks each merge at the respective root side of the teeth into a first radius Ra, which in turn emerges into a second radius Rb which forms the bottom of the groove and is common for the two opposing flanks.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: October 24, 2000
    Assignee: AB Volvo
    Inventors: Jan-Olof Bodin, Ingemar Dagh
  • Patent number: 6131707
    Abstract: An improved structure for a brake rotor and method for producing the same wherein the brake rotor includes a mounting flange and a pair of opposed friction plates spaced apart from one another by a plurality of intermediate fins. The friction plates have generally parallel outwardly facing surfaces adapted to be frictionally engaged by a pair of brake pads of the disc brake assembly. Each of the friction plates defines an outer plate diameter and an inner plate diameter. At least one of the friction plates includes a pair of asymmetrically spaced apart cuts formed therein. The cuts extend radially inwardly from the outer plate diameter toward the inner plate diameter.
    Type: Grant
    Filed: June 3, 1998
    Date of Patent: October 17, 2000
    Assignee: Kelsey-Hayes Company
    Inventors: John H. Buechel, Mohannad A. Labadi
  • Patent number: 6119817
    Abstract: A convertible aircraft brake assembly (10) designed as original equipment to have heat sinks comprising a steel heat sink (20) aircraft brake assembly and a carbon-carbon composite heat sink (40) aircraft brake assembly. When the aircraft brake assembly is converted from one type of heat sink to the other, the conversion is accomplished with minimal changes in component parts. The conversion can be accomplished without any changes in the piston housing (14), torque tube (12), and wheel (30) because the heat sinks include therein respective components which enable each heat sink to be utilized with the commonly used piston housing (14), torque tube (12), and wheel (30).
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: September 19, 2000
    Assignee: AlliedSignal Inc.
    Inventors: David A. Niespodziany, Stanley W. May, Esaw Harris, Sean W. Linden
  • Patent number: 6112862
    Abstract: A screw action disc brake comprises a disc centered on the wheel hub so that torque steer forces are not generated under braking; and a brake pad mounted on a collar which can be moved toward the disc to apply the brake, and away from the disc to release the brake; the collar in the form of a disc with a central circular hole, for clearing the axle mounting section of the hub, and an internally screw-threaded perpendicular perimeter lip. A circular cradle is fixed onto the axle by splines of screw-threads at its center, in such a manner that it cannot rotate about the axle, the cradle having a perimeter flange which is externally screw-threaded to mesh with the screw threads on the inside of the collar lip. The screw-threads are arranged so that when the collar is rotated on the cradle, by pulling a brake cable, in the opposite direction to that of the forward turning hub, the collar moves towards the brake disc.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: September 5, 2000
    Inventor: Lester John Erlston
  • Patent number: 6095293
    Abstract: An electrically actuated aircraft brake and method characterized by the use actuator modules which can be easily and quickly replaced as a unit. Quick and easy replacement of the actuator modules can be effected without disassembly of the overall brake and wheel assembly. Accordingly, brake manufacturing, repair costs, overhaul, parts stocking and maintenance costs and requirements are minimized and/or greatly simplified compared to integrated brake designs used in the prior art. Also, a malfunctioning actuator module on an aircraft can be replaced and preferably quickly enough to allow the aircraft to remain in scheduled service and/or with a minimum of downtime.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: August 1, 2000
    Assignee: The B. F. Goodrich Company
    Inventors: Robert L. Brundrett, Stephen A. Mascarella, Lawrence F. Corio, Franklin C. Christ
  • Patent number: 6095291
    Abstract: A disc or drum brake member is usually connected to the flange of the bearing of a motor vehicle wheel; possible manufacturing errors in the flange of the bearing, and/or the brake member cause, on tightening the wheel to the flange, deformations in the bearing tracks and the active surfaces of the brake member; to avoid this, an elastically-yielding connection element is interposed, connected to the bearing on one side and the brake member on the other side, and constituted by a bell of sheet metal, dimensioned to present a high torsional rigidity associated with a limited axial rigidity to absorb and neutralise the tensions produced on tightening the screws holding the wheel to the flange of the bearing, even in the presence of manufacturing errors on the corresponding facing surfaces of the parts to be joined.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: August 1, 2000
    Assignee: SKF Industrie S.p.A.
    Inventors: Paolo Bertetti, Luca Morero
  • Patent number: 6076896
    Abstract: There is disclosed a wheel hub or hub unit of the type having a radial hub flange (13) providing connection to the wheel (40) and to a brake member (10) having an annular disc portion having a plurality of ears (11) radially protruding from its inner edge. The hub flange (13) defines a plurality of axial passages, in the form of peripheral radial recesses (19) or bores (17, 17') for slipping a plurality of axial pins (30) to be fitted in holes (12) obtained in the brake member ears (11) and in openings (22) obtained in at least one radial wall (23) of a brake carrier (20) rotatably fast with the hub (14) to rotationally secure the brake member (10) to the hub. When the wheel (40) is mounted on the outside of the hub flange, axial movement of the pins towards the outside is stopped by the wheel.
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: June 20, 2000
    Assignee: SKF Industrie S.P.A.
    Inventors: Paolo Bertetti, Andreas Rutter
  • Patent number: 6059374
    Abstract: A hub flange and rotor assembly, both having cut out openings or scallops, wherein the scallops aid in accessing the outward facing bolt heads of the bearing flange to knuckle bolts. This configuration allows the rotor to be machined after it is installed on the hub, prior to installation of the unified assembly into the steering knuckle.
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: May 9, 2000
    Assignee: Dana Corporation
    Inventor: Steven G. Goddard
  • Patent number: 6057022
    Abstract: The invention relates to the field of high temperature composites made by the chemical vapor infiltration and deposition of a binding matrix within a porous structure. More particularly, the invention relates to pressure gradient processes for forcing infiltration of a reactant gas into a porous structure, apparatus for carrying out those processes, and the resulting products. The invention is particularly suited for the simultaneous CVI/CVD processing of large quantities (hundreds) of aircraft brake disks.
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: May 2, 2000
    Assignee: The B.F. Goodrich Company
    Inventors: Mark J. Purdy, James W. Rudolph
  • Patent number: 6035507
    Abstract: A method for mounting a production rotor (20) to a hub (22) of a wheel assembly (10) for a vehicle. The rotor (20) comprises a disc (32) having braking surfaces (24, 26). The rotor (20) also has a central plate (28) that is offset from the disc (32) and rotor studholes (30) extending through the central plate (28). The hub (22) has a flange (34) and studs (36) for attaching the hub (22) to the rotor (20). The method comprises the steps of clamping the central plate (28) of the production rotor (20) to a gage hub (122); and measuring the axial displacement (dt) of one of the braking surfaces (24, 26) from a free state plane (A). The production rotor (20) is marked to indicate the rotor position of one of the maximum and minimum displacement (dt) thereof. Also included are the steps of clamping the production hub flange (34) to a gage rotor (120) having gage braking surfaces (124, 126); and measuring the axial displacement (dh) of the gage braking surface (124, 126) from a free state plane (B).
    Type: Grant
    Filed: September 23, 1998
    Date of Patent: March 14, 2000
    Assignee: Kelsey-Hayes Company
    Inventor: Michael Bianchi
  • Patent number: 6029781
    Abstract: A multi-disc brake includes a plurality of stator discs, a plurality of rotor discs interleaved with the stator discs, a torque tube relative to which stator discs are axially slidably keyed, brake-actuating thrust members for applying an axial thrust to an end stator disc and a reaction member which provides an abutment for the other end stator disc. This other end stator disc includes an element of friction material having a first face which engages a rotor disc for dissipation of energy when axial thrust is applied to the assembly of rotor and stator discs and a second face supported by a substantially rigid backing member. The backing member is supported by the torque tube in an arrangement which prevents rotation of the backing member relative to the torque tube, and the backing member also includes location member which extends axially from that face of the backing member which supports the stator disc friction element.
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: February 29, 2000
    Assignee: Dunlop Limited
    Inventor: Graham Carrier
  • Patent number: 6009980
    Abstract: An improved ductile iron vehicle hub and method for producing the same wherein the method includes the steps of (a) providing a vehicle hub formed from ductile iron and including a generally axially extending body having a centrally located opening formed therethrough, the body including an open inner end, an open outer end, and a generally radially outwardly extending flange; and (b) shot peening selected outer surfaces of the body of the vehicle hub to induce compressive stresses therein to improve the fatigue life the vehicle hub.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: January 4, 2000
    Assignee: Meritor Automotive, Inc.
    Inventor: Larry B. Hester
  • Patent number: 5988613
    Abstract: This invention relates to a wheel hub and brake disc arrangement for a vehicle wheel comprising a hub mounted via a bearing on a stub axle, a brake disc non-rotatably mounted on a carrier portion of the hub and a lock ring axially fixed at an end of the carrier portion. The lock ring has a first side surface lying in contact with a surface on the brake disc and a second side surface located radially inwardly of the first side surface, the second side surface being in contact with a surface of the hub. The lock ring also has areas located radially between the first and second side surfaces which lack contact both with the surfaces on the brake disc and the brake hub. The lock ring is also provided with circumferentially spaced bosses. The lock ring permits limited axial displacement of the brake disc, relative to the carrier portion of the hub, upon axial loading of the brake disc.
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: November 23, 1999
    Assignee: Volvo Lastvagnar AB
    Inventors: Ingemar Dagh, Mats Fagergren
  • Patent number: 5988324
    Abstract: In a vehicle wheel hub bearing unit the bearing forms a rotating radial flange (11) adapted for securing to a radial flange (12) of a disc or drum brake member and rotate fixedly therewith. The brake flange (12) is located in the same radial plane as the bearing flange (11) and secured directly to the peripheral portion thereof. Radial bulk of the bearing assembly is reduced and deformation of the bearing races and braking surface is avoided.
    Type: Grant
    Filed: November 14, 1996
    Date of Patent: November 23, 1999
    Assignee: SKF Industries S. P. A.
    Inventors: Paolo Bertetti, Mauro Picca, Fabrizio Iarrera
  • Patent number: 5950772
    Abstract: A bicycle brake system includes a flexible brake disk, a fixed mount single acting caliper, fixed and moveable brake pads and a brake actuator. The caliper is mounted on the bicycle frame in a position to straddle the brake disk. The fixed brake pad is mounted on one side of the caliper, and the moveable brake pad is mounted on the other side of the caliper. The brake actuator is on the moveable brake pad side of the brake disk and is aligned with the flexible brake disk. Upon actuation of the brake actuator, the flexible brake disk is flexed into engagement with the fixed brake pad.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: September 14, 1999
    Assignee: Hayes Brake, Inc.
    Inventors: James A. Buckley, George H. Hinkens, Korey Johnson
  • Patent number: 5931269
    Abstract: A drive key (10) for an aircraft wheel comprises a hardened and tempered steel member (10) having improved wear and corrosion resistance. The steel member (10) is coated selectively with a tungsten carbide-cobalt coating (22) to provide wear resistance at side portions (18) where the drive key (10) is engaged by portions of an aircraft brake, and the entire steel member (10) including the tungsten carbide-cobalt coating can be plated with electroless nickel to provide improved corrosion resistance.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: August 3, 1999
    Assignee: AlliedSignal Inc.
    Inventors: Michael R. Detwiler, Frederick D. McGuire, Jr.
  • Patent number: 5926932
    Abstract: A convertible aircraft brake assembly (10, 60, 77, 78, 83, 85, 96, 120, 130) designed as original equipment to have heat sinks comprising a steel heat sink (20, 70, 80, 90, 91, 100, 110, 122) aircraft brake assembly and a carbon--carbon composite heat sink (40) aircraft brake assembly. When the aircraft brake assembly is converted from one type of heat sink to the other, the conversion is accomplished with minimal changes in component parts. The conversion can be accomplished without any changes in the piston housing (14), torque tube (12), and wheel (30) because the heat sinks include therein respective components which enable each heat sink to be utilized with the commonly used piston housing (14), torque tube (12), and wheel (30).
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: July 27, 1999
    Assignee: AlliedSignal Inc.
    Inventors: David A. Niespodziany, Stanley W. May, Esaw Harris, Andrew S. Haynes, Joseph M. Patko, Brian G. Harker
  • Patent number: 5921341
    Abstract: A suspension unit for each rear wheel of a motor powered off-road four wheeled vehicle comprising a suspension arrangement with the inner members constructed for mounting on a fixed shaft secured to the vehicle and the outer casing carrying a swing arm terminating in a swivel joint to be secured to a single rear wheel axle and a pair of such a units in combination with a drive chain and sprocket device for the single axle and a braking system having at least one disc brake for fixed mounting on the rear axle with caliper carried on an operating arm supported from a bearing to be mounted on the same axle.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: July 13, 1999
    Assignee: Terrapid Technologies CC
    Inventor: David S. Atkins
  • Patent number: 5921633
    Abstract: A wheel mounting for a vehicle, which includes a rotatable wheel flange connected by an antifriction bearing with a stationary part of the wheel mounting. The wheel flange has pluralities of first and second mounting regions circumferentially around the wheel flange and axially spaced at different respective first and second axial locations along the wheel flange. Each of the regions includes fastening areas to which either a brake disk or a wheel rim may be attached. Rivets, pins, or the like may permit axial mounting of the brake disk with play. Radially inwardly facing, generally semicircular holes in the brake disk enable the brake disk to expand without interference.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: July 13, 1999
    Assignee: FAG Automobiltechnik AG
    Inventors: Peter Neibling, Heinrich Hofmann, Roland Langer, Rainer Breitenbach
  • Patent number: 5918707
    Abstract: A tape correction plate and method of using the correction plate to correct for lateral runout of a disc brake rotor is described. The tapered correction plate is installed between the hub and brake rotor of an automobile such that the thinnest portion of the correction plate is aligned with the angular position on the hub and rotor corresponding to the maximum lateral runout. The mounting geometry of the correction plate may include any one of a number of configurations including circular openings, slotted openings having a smooth or gear-like perimeter, or an outer perimeter defining a gear like shape or open-ended "half slots." Each type of mounting geometry is suitable for mating with existing lug patterns while enabling adjustment of the angular orientation of the correction plate with respect to the hub and rotor. The correction plate may also consist of one washer or a number of washers with appropriately varying thicknesses that are arranged to correct runout.
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: July 6, 1999
    Assignee: Accu Systems, Inc.
    Inventor: Thomas N. Saunders, III
  • Patent number: 5915747
    Abstract: The invention is directed to a rotor having a vented hat section and a method of forming the same. Such a rotor includes a hat section having a central mounting face and a cylindrical shoulder or hat wall extending axially from the mounting face to an annular peripheral section having friction surfaces disposed on opposite sides. A plurality of spaced apart vents are defined in the wall of the hat section. The vented rotor is formed by first casting a rotor to the desired configuration including at least the hat section. The initial casting is formed in such a manner that one or more depressions are provided in the radially inner surface of the wall of the hat section. These depressions do not extend through the wall of the hat section. Then, material is removed in one or more machining steps from the radially outer surface of the wall of the hat section proximate the depressions.
    Type: Grant
    Filed: April 4, 1998
    Date of Patent: June 29, 1999
    Assignee: Hayes Lemmerz International, Inc.
    Inventors: Weston E. Dickerson, Charles E. Burger
  • Patent number: 5911425
    Abstract: A steering knuckle assembly for the drive wheels of automotive vehicles including a carrier component adapted to be secured to the wheel suspension and carrying a floating-caliper brake and a wheel axle bearing, and a rotatably mounted wheel axle having a constant-velocity joint for the drive and a flange for the attachment of a brake disc. According to the present invention, the carrier component with the disc brake and the wheel axle bearing together with the wheel axle, the flange, the brake disc and a bowl shaped part of the constant-velocity joint are coupled to form a module which can be secured to the wheel suspension as a preassembled unit in the final assembly of the automotive vehicle.
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: June 15, 1999
    Assignee: ITT Automotive Europe GmbH
    Inventors: Heinrich Hofmann, Rolf-Dieter Betzer, Rolf Weiler
  • Patent number: 5901818
    Abstract: Brake rotors each having a brake ring, first and second opposing braking surfaces, and inner and outer peripheral surfaces connecting the braking surfaces. A plurality of apertures may be disposed through the brake ring, extending between the two braking surfaces. A ceramic coating, for providing thermal insulation, is disposed at least on the two braking surfaces. In one preferred embodiment, the brake ring is formed from a composition comprising a substantial proportion of titanium.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: May 11, 1999
    Inventor: Gerald Martino
  • Patent number: 5900297
    Abstract: The invention relates to the field of high temperature composites made by the chemical vapor infiltration and deposition of a binding matrix within a porous structure. More particularly, the invention relates to pressure gradient processes for forcing infiltration of a reactant gas into a porous structure, apparatus for carrying out those processes, and the resulting products. The invention is particularly suited for the simultaneous CVI/CVD processing of large quantities (hundreds) of aircraft brake disks.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: May 4, 1999
    Assignee: The B. F. Goodrich Company
    Inventors: James W. Rudolph, Mark J. Purdy
  • Patent number: 5878479
    Abstract: The invention is directed to a method of forming a vented rotor for caliper disc brakes and the like. Such a vented rotor includes an outer friction portion having one or more ring sections with opposed friction surfaces adapted to interface with associated friction members. The vented rotor is formed by first casting a rotor to the desired configuration including at least the ring section. This initial casting is formed in such a manner that one or more depressions are provided a surface of the ring section. Then, material is removed in one or more machining steps from portions of the friction surface opposite the friction surface having the depressions, to the point that the depressions extend completely through the ring section to form the vents.
    Type: Grant
    Filed: April 3, 1998
    Date of Patent: March 9, 1999
    Assignee: Hayes Lemmerz International, Inc.
    Inventors: Weston E. Dickerson, Charles E. Burger
  • Patent number: 5864935
    Abstract: A process for producing a brake disc (1) for a disc brake is disclosed; in said process two separating regions (3.sub.1, 3.sub.2) are provided in a one-piece, circular brake disc (1). Said separating regions divide the brake disc (1) into two parts (1a, 1b), whereupon a fastening device (2.sub.1, 2.sub.2), which encompasses the separating region, is designed in each separating region (3.sub.1, 3.sub.2); and finally the brake disc (1) is broken apart into two parts (1a, 1b) in the separating regions (3.sub.1, 3.sub.2). Thus, a brake disc that is easier to mount and to exchange is provided.
    Type: Grant
    Filed: March 24, 1997
    Date of Patent: February 2, 1999
    Assignee: Knorr-Bremse Systeme Fur Nutzfahrzeuge GmbH
    Inventors: Hans Baumgartner, Dieter Bieker
  • Patent number: 5865275
    Abstract: A vehicular brake assembly comprises brake shoes and a brake disc. The brake shoes are fastened to a sheet plate and mounted inside an inner drum portion of the brake disc. The brake disc is operatively connected to an axle placed within a stationary axle housing that carries a mounting flange. The sheet plate is fastened to the mounting flange. An anchor pin is attached to the mounting flange and an opening is made in the sheet plate for the anchor pin to project therethrough to thereby serve as an abutment surface for the brake shoes transferring any force exerted on the brake shoes directly to the mounting flange. The brake disc is operatively engaged with a caliper adapted to grip an outward portion of the brake disc. The caliper slides are provided on the mounting flange to receive the caliper.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: February 2, 1999
    Assignee: ITT Manufacturing Enterprises, Inc.
    Inventors: Stefan Ulrich Anger, Bernhard Walter Kullmann
  • Patent number: 5855416
    Abstract: A reinforced vehicle axle housing assembly includes a housing having an arm section including an axial portion adapted to receive a brake flange and a sleeve disposed in a cavity defined by the arm section. The sleeve at least partially overlaps the axial portion and is in reinforcing engagement with the arm section. The housing is formed by first and second housing halves joined together by a housing weld along the neutral axis. The housing weld penetrates through the arm section and secures the sleeve to the housing. A method for reinforcing a vehicle axle housing includes the steps of positioning a sleeve in the cavity so as to be encircled by the axial portion and securing the sleeve within the cavity so as to reinforce the arm section.
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: January 5, 1999
    Assignee: Eaton Corporation
    Inventors: Ian Kenneth Tasker, John Robert Ottewill
  • Patent number: 5848674
    Abstract: A disk brake assembly having a friction disk mounted on the hub of a motorcycle wheel, the friction disk having an inner hub and an outer ring interengaged by a plurality of equally spaced offset arms connecting the outer ring to the inner hub. The angle of each arm being such that the heat generated in the outer ring causes the outer end of the arms to expand in relation to the expansion of the outer ring and to contract on cooling to return the outer ring to its original position.
    Type: Grant
    Filed: February 11, 1998
    Date of Patent: December 15, 1998
    Assignee: Hayes Brake, Inc.
    Inventors: Korey Johnson, George H. Hinkens, Glenn S. Metzelfeld
  • Patent number: 5803468
    Abstract: An in-line skate having a fluid pressure brake which is fully remotely controlled via a radio frequency transmitter. The skate further includes a wheel support frame, a fluid pressure chamber defined by the wheel support frame and a source of fluid pressure carried by the frame to selectively provide a braking force to the skate wheel.
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: September 8, 1998
    Inventors: Gary M. Petrucci, Johannes J. W. G. M. Huijbers
  • Patent number: 5782320
    Abstract: An aircraft disc stack (1) comprises a plurality of interleaved stator and rotor discs (3,4) keyed respectively to a torque tube (5) and a wheel hub (not shown). The stack (1) further comprises bi-functional friction/load-transmitting discs in the form of end stator discs (10,13). These discs (10,13) are subject to uneven loading because the non-friction surfaces (12,15) are in use compressed on areas less than the load bearing areas of the opposing friction faces (11,14). This can lead to premature disc failure and in the past load spreader plates have been used to distribute loading over these areas to minimize the risk of failure. In this invention portions of the load bearing areas of non-friction surfaces (12,15) are toughened ie: material underlying these surfaces is toughened, to increase their resistance to deformation, fracture and/or wear thereby removing the need for additional load spreader plates which were hitherto required.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: July 21, 1998
    Assignee: Dunlop Limited
    Inventors: Ronald Fisher, Thomas Gerard Fennell, Maurice James Evans
  • Patent number: 5772285
    Abstract: A hub and rotor combination for a vehicle wheel assembly including a hub having a central bore with an axis about which the combination is rotatable, a connector formed integrally with and extending radially outwardly from the hub substantially normal to the central axis, and a rotor formed integrally with an extending radially outwardly from the connector. The rotor includes a pair of first and second disk shaped ring plate portions disposed substantially normal to the central axis and spaced from each other by a plurality of radially extending, circumferentially spaced spacers to permit airflow between the rotor plate portions. The inner bore of the hub is splined to receive and engage splines on a spindle mounting.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: June 30, 1998
    Assignee: Warn Industries, Inc.
    Inventors: Jon A. Bigley, Evan R. Baker
  • Patent number: 5769185
    Abstract: Brake disc assemblies and methods for making the same which allow for increased carbon utilization. In one embodiment of the invention, worn or spent discs from a carbon brake disc assembly are used to fabricate new brake discs. The separate discs, individually unsuited for further use in a brake assembly, are secured together with like wear material and subjected to chemical vapor infiltration to configure a disc suitable for use as a new disc. In other embodiments, previously used discs or new carbon material is employed to configure wear pads or wear discs which are affixed to opposite sides of a carrier plate and then subsequently used in a brake disc assembly. In all of the embodiments, carbon screws or threaded rods are employed to hold the components of the disc together. Such carbon screws or threaded rods are fabricated from otherwise worn or spent carbon discs or from new carbon.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: June 23, 1998
    Assignee: Aircraft Braking Systems Corporation
    Inventors: Ralph R. Main, Jeremiah W. Mills, Julian Norley, Edward M. Tatarzycki, William D. Thompson, John G. Evrard
  • Patent number: 5732798
    Abstract: A disc brake, preferably for motorcycle front wheels, including a peripheral annular disc and arranged such that its caliper reaction passes through a fixed axle coaxial with the wheel axis. The caliper is mounted at the end of a radial arm rigidly connected to the axle and the axle is torsionally keyed into at least one antirotation seat at a respective cooperating portion of the wheel support.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: March 31, 1998
    Assignee: Brakko S.R.L.
    Inventor: Emanuele Toson
  • Patent number: 5727660
    Abstract: A wheel assembly (10) for a vehicle comprising a rotor (12) having a central portion (14) with a periphery, a wheel mounting surface (16), and a hub mounting surface (18) opposite the wheel mounting surface (16). A hub (26) and a wheel (24) are mounted to the rotor (12) in a sandwich arrangement. The rotor (12) has a recess (30) about the periphery of the wheel mounting surface (16) of the central portion (14). The recess (30) enables the wheel (24) to be mounted on the rotor (12) to isolate clamping forces of the wheel (24) to prevent the wheel mounting forces from creating a moment which would move the disc portion (20) of the rotor (12) out of radial alignment with the wheel (24), i.e., to prevent runout of the rotor (12).
    Type: Grant
    Filed: January 15, 1997
    Date of Patent: March 17, 1998
    Assignee: Varga North America, Inc.
    Inventor: Michael Bianchi
  • Patent number: 5632362
    Abstract: A disc braking assembly provides a compact, lightweight braking arrangement which utilizes hydraulic fluid to provide greater braking power. Durability and reliability are achieved by use of a compensating chamber and piston having a compensating piston biasing member.
    Type: Grant
    Filed: August 15, 1995
    Date of Patent: May 27, 1997
    Assignee: RockShox, Inc.
    Inventor: Horst Leitner
  • Patent number: 5607031
    Abstract: A wheel hub and disc braking system for a bicycle which provides a bicycle with greater braking power than traditional braking systems without increasing the weight or complexity of the vehicle. The invention utilizes a wheel hub mounted to the axle of a bicycle, a rotor attached to the wheel hub, and a caliper mounted to the fork and axle of a bicycle. Because of the increased hub diameter and flange width, the entire wheel is much more rigid than traditional designs. Also, as an option to add rigidity to the system, a ring is attached to the wheel hub. The attachment of the caliper to the fork and axle of a bicycle provides the system with greater strength and rigidity. In addition, this arrangement permits the pads of the caliper to contact the rotor's inner surface, making the caliper's operation and mounting in-line with the rotor's plane, something not possible with existing systems.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: March 4, 1997
    Inventor: Anthony S. Hollars
  • Patent number: 5542503
    Abstract: A rotor adapted for use in a vehicle disc brake assembly includes an inner annular mounting flange portion defining a rotational axis and an outer annular disc portion. The outer annular disc portion includes a pair of friction plates which are connected together in spaced apart relationship by a plurality of posts located about the circumference of the rotor. The plurality of posts are divided into a plurality of groups of four posts. Each group of four posts includes a first post and a second post which are radially aligned with one another along with respect to a first bisecting radius extending outwardly from the rotational axis of the rotor. Each group of four posts also includes a third post and a fourth post which are radially aligned with one another with respect to a second bisecting radius extending outwardly from the rotational axis of the rotor. The first common bisecting radius and the second common bisecting radius are disposed at a predetermined angle relative to one another.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 6, 1996
    Assignee: Kelsey-Hayes Company
    Inventors: Michael E. Dunn, Don Varnelis
  • Patent number: 5540305
    Abstract: In a multi-disc brake comprising a torque tube and a piston housing having a plurality of hydraulically operated and circumferentially spaced piston cylinders a thermal isolation element is arranged to restrict heat generated by the friction discs from flowing from the torque tube to the piston housing.
    Type: Grant
    Filed: November 7, 1994
    Date of Patent: July 30, 1996
    Assignee: Dunlop Limited
    Inventors: Charles P. Hammond, Ian D. Sim, Steven Webb
  • Patent number: 5540303
    Abstract: The invention relates to a wheel hub and brake disc arrangement for a vehicle wheel. A disc-shaped carrier to which the wheel rim is attached includes a tubular portion. The tubular portion of the disc-shaped carrier is affixed by a screw connection to a hub portion rotatably carried by bearing means. A neck portion integral with the disc-shaped carrier radially externally of the screw connection presents an external shaping which meshes with an internal shaping on the brake disc. This arrangement eliminates the need for the screw connection to act as a braking moment transmitting element.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: July 30, 1996
    Assignee: AB Volvo
    Inventors: Jan-Olof Bodin, Ingemar Dagh
  • Patent number: 5507367
    Abstract: Wheel hub rotatably carried on a shaft portion, which hub presents a region to which a brake disc is non-rotatably affixed, wherein a circular channel (23) surrounding the shaft portion, open on one side of the hub (6), is provided in the hub (6) radially inside of that region. The wheel hub (6) comprises a substantially cylindrical hub section (32) which merges into a radial flange portion (30) to which a wheel (31) is intended to be securely screwed. The circular channel (23) extends through the entire cylindrical section up to the flange portion. The circular channel (23) is open towards the end of the cylindrical hub section which faces away from the flange portion.
    Type: Grant
    Filed: September 14, 1994
    Date of Patent: April 16, 1996
    Assignee: AB Volvo
    Inventors: Ingemar Dagh, Jan-Olof Bodin
  • Patent number: 5494138
    Abstract: The aircraft brake torque transfer assembly of a brake (30) comprises an aircraft axle (10) having at one axial location an axle flange (18) flange which includes about the circumference thereof a plurality of teeth members or splines (19). An aircraft wheel (20) is mounted upon a set of roller bearing assemblies (15, 17) with one roller bearing assembly engaging a nut assembly (14). The other roller bearing assembly (17) maintains in axial position a bushing assembly (21) and a foot (25) of a torque tube (24) which abuts against the axle flange (18). The aircraft brake (30) includes a piston housing (35) attached to the torque tube (24), and the torque tube (24) includes a plurality of openings (27) receiving bolts (60) with nuts (64) to attach a retention ring (50) to the torque tube (24). The retention ring (50) includes a central, generally annular opening (51) with a plurality or teeth or splines (54) disposed thereabout.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: February 27, 1996
    Assignee: AlliedSignal, Inc.
    Inventors: Anthony Scelsi, Paul B. Kellner
  • Patent number: 5485898
    Abstract: An aircraft brake (11) typically includes a torque tube (16) supported by a pedestal (24) upon an axle (18). The torque tube (16) is connected with the plurality of stators (20) which interface with a plurality of rotors (22) connected with a surrounding wheel (10). In order to improve the configuration stability of torque tube (16) during operation of the brake (11), a spacer member (40) is located between the inner diameter surface (17) of the torque tube (16) and the outer diameter surface (15) of the axle (14). The spacer member (40) has an outer diameter surface (42) which supports the inner diameter surface (17) of the torque tube (16) and an inner diameter surface (46) which is supported by the axle (14). A splined support ring (50) engage splines (47) at the inner diameter surface (46) of the spacer member (40) and is press fitted to the axle (14).
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: January 23, 1996
    Assignee: AlliedSignal Inc.
    Inventor: Joseph M. Patko
  • Patent number: 5480007
    Abstract: A disc brake rotor produced by a machining method includes a friction disc having generally parallel inner and outer machined friction faces adapted to be frictionally engaged by a pair of brake pads of the disc brake assembly. Each of the inner and outer machined friction faces includes a spiral machining groove formed therein. When viewed from their respective faces, the spiral machining grooves are essentially identical to one another. The spiral machining groove formed in one of the inner and outer machined friction faces is operative during braking to produce a first force in one radial direction on one of the pair of brake pads. The spiral machining groove formed in the other one of the inner and outer machined friction faces is operative to produce a second force which is generally equal and in an opposite direction to the first on the other one of the pair of brake pads.
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: January 2, 1996
    Assignee: Kelsey-Hayes Company
    Inventor: Dean J. Hartford
  • Patent number: RE35055
    Abstract: In a disc brake for a heavy road vehicle there is provided a mechanically preloaded brake assembly which includes brake housing, a median wall in the brake housing parallel to the disc which is also in the housing. The disc is mounted to the adapter sleeve of the wheel, and the housing is mounted to an annular ring mounted to an axle of the vehicle. A pressure plate is provided within the housing and located between the annular intermediate wall and the housing wall opposite from the disc and is parallel thereto. The brake lining ring including a backing plate is provided adjacent a radial friction surface of the disc, and push rods extend between the pressure plate and the backing plate of the brake lining ring.
    Type: Grant
    Filed: February 17, 1994
    Date of Patent: October 10, 1995
    Inventors: J. Jacques Paquet, Claude Rancourt