With Means To Adjust For Wear Of Brake Patents (Class 188/71.7)
  • Patent number: 10914350
    Abstract: An opposed-piston type disc brake includes a guide cylinder extending axially inward from an opening edge portion of a cylinder in which an outer displacement member of a thrust generating mechanism is disposed is provided in an inner body of a caliper at an axial inner side portion of the inner body. A clamp base portion of a clamp member of a parking mechanism portion includes a housing hole opened to an axial outer side of the clamp base portion in which an inner side displacement member of the thrust generating member is disposed. A guide cylinder extending axially inward from an opening edge portion of the cylinder is fitted into the housing hole so as to relatively move in the axial direction, to form a first guide portion which supports the clamp member so that the clamp member is displaced relative to the cylinder in the axial direction.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: February 9, 2021
    Assignee: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventors: Tetsuya Noguchi, Hiroyuki Kato, Takayuki Ichige, Yoshio Totsuka
  • Patent number: 10047810
    Abstract: A brake caliper is provided for a disc brake. The brake caliper has a caliper frame which is designed to extend over an edge of a brake disc and which includes a housing for accommodating an application mechanism for applying the disc brake. The housing has a base plate, an intermediate plate, a housing shell interconnecting the base plate and the intermediate plate, and a housing cover. The caliper frame is cut from sheet metal and shaped and the housing cover is integrally formed with the caliper frame.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: August 14, 2018
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventor: Joerg Ebert
  • Patent number: 9771992
    Abstract: A brake apparatus (1) and method of operating the apparatus are disclosed. The apparatus (1) has a plurality of brake elements (2, 3, 4, 5, 6) with a combined thickness of Y. At least one of the brake elements (2, 3, 4, 5, 6) has a wear portion (22a, 22b) for tribological interaction with a wear portion (52b, 62a) of an adjacent element (5, 6) and is formed in two separable parts (21a, 21b) having thicknesses A1 and A2. The method includes operating an actuator (8) at an actuation extension length less than a maximum actuation extension length to cause the wear portions (22a, 22b, 52b, 62a) of the brake elements (2, 5, 6) to tribologically engage and thereby wear. This tribological engagement is such that as the elements (2, 5, 6) wear to a combined thickness of less than Y the extension length of the actuator is increased.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: September 26, 2017
    Assignee: Meggitt Aerospace Limited
    Inventor: David Callum Johnson
  • Patent number: 9458901
    Abstract: 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.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: October 4, 2016
    Assignee: AKEBONO BRAKE INDUSTRY CO., LTD
    Inventor: Kenneth Eric Gutelius
  • Patent number: 9352826
    Abstract: The invention relates to a method of using and renovating a brake disk (9), the method comprising steps of using the disk in a plurality of lives and compensating for a reduction in the thickness of the disk after each life by assembling the disk with a complementary portion or by associating the disk with another disk of rotor or stator type if the disk is itself respectively of stator or rotor type.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: May 31, 2016
    Assignee: MESSIER-BUGATTI-DOWTY
    Inventors: Pierre Chambard, Jean-Baptiste Vaney
  • Patent number: 9188179
    Abstract: A brake pad for a disc brake, which can be installed into a wheel that has a size of 22.5?, includes a ring segment-shaped pad support plate which supports a friction lining material, an inner radius Ri of which merges with straight bearing surfaces on both sides, and which has two molded-on pressure pieces that are arranged in a mutually spaced manner on the pad support plate rear face that faces away from the friction lining material. The brake pad is designed such that the length of the pad support plate is 245-250 mm, the inner radius is 115-135 mm, and the outer radius of the pad support plate is 205-220 mm.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: November 17, 2015
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Jose Camilo-Martinez, Johann Baumgartner, Wolfgang Pahle
  • Patent number: 9181997
    Abstract: Provided is a caliper brake including a caliper housing that constitutes an exterior of the caliper brake and has one end on which a fork is formed and is bent, a brake cylinder that is mounted on a side of the caliper housing to face the fork and generates a brake force inside the brake cylinder using an oil pressure of a damping oil transmitted from a brake line, a piston that is mounted within the brake cylinder and pressurizes a brake disc between the piston and the fork using the brake force, a pressurization rod part that is mounted within the piston on a common axis, extends in an axial direction when abrasion occurs in the fork and a frictional pad of the piston so as to compensate for abrasion, and a return spring part.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: November 10, 2015
    Assignee: Mando Corporation
    Inventors: Young Hun Kong, Seon Ki Hong
  • Patent number: 8936138
    Abstract: 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.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: January 20, 2015
    Assignee: Meritor Heavy Vehicle Braking Systems (UK) Limited
    Inventors: Jason Morris, Paul Roberts, Norman Breakwell, Peter K. Gibbens, Martin P. Taylor, Avinash Ullagaddi, Darshan Pateel, Sanjeev Kulkarni, Kishan Kumar Udupi
  • Patent number: 8851241
    Abstract: A hydraulic disc brake includes at least one brake piston that acts upon a brake pad and a parking brake mechanism. A return piston is accommodated in a piston head having a recess. The piston head faces the brake pad.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: October 7, 2014
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Aleksandar Pericevic, Johann Baumgartner, Steffen Geissler, Robert Trimpe
  • Patent number: 8807296
    Abstract: A brake unit, preferably for a rail vehicle, including in a housing: a piston, and a push rod in the form of a spindle in an axial slack adjuster. The axial directions of the piston and the push rod are substantially perpendicular to each other, and means are provided for force transmission between these parts. The force transmitting means includes wedge elements at the underside of the piston cooperating with a driver element coaxial with and force-transmittingly connected to the spindle. The driver element is supported with rolling friction by the housing for movements in the axial direction of the spindle, and the spindle is axially guided by the housing at its forward end.
    Type: Grant
    Filed: September 20, 2006
    Date of Patent: August 19, 2014
    Assignee: Faiveley Transport Nordic AB
    Inventor: Johan Martensson
  • Patent number: 8739945
    Abstract: A wear adjustor adjusts the wear of brake pads and a brake disc of a pneumatic disc brake having a rotary lever brake application device. The wear adjustor is insertable into an adjusting spindle and attached to a caliper of the disc brake by a bearing disc. An axial bearing is formed axially on a side of a drive ring, and a ball ramp coupling with a freewheel function is formed axially on the opposite side of the drive ring. The ball ramp coupling includes balls and a drive socket which is arranged axially, on the drive side, between the axial bearing and the balls thereof, a cone coupling being arranged between the coupling ring on the output side and an elastic sleeve for a cylinder spring. The output-side coupling ring is designed for a working rotational angle defined by at least one fixed abutment.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: June 3, 2014
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Johann Iraschko, Georg Kempinger, Florian Orgler
  • Patent number: 8727077
    Abstract: The invention relates to an elevator brake, said elevator comprising a hoisting machine (1) provided with at least a frame part (2) and a traction sheave (3), and a brake drum (4) arranged to be rotatable with the traction sheave (3) and provided with a braking surface (5), and a brake (6) having an effect on the rotary motion of the traction sheave (3), said brake (6) comprising at least one brake block (8) provided with a braking surface, which brake block (8) has been arranged to act on the braking surface (5) of the brake drum (4) with a force directed substantially towards the braking surface (5). To allow adjustment of the size of the air gap (8a) between the braking surface of the brake block (8) and the braking surface (5) of the brake drum (4), the brake (6) is provided with at least one eccentric adjusting element (11).
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: May 20, 2014
    Assignee: Kone Corporation
    Inventors: Arttu Hult, Mika Olkkonen
  • Patent number: 8640833
    Abstract: A pneumatically or electromechanically actuatable disc brake as a wear adjustment adjustment device, which is positioned in a caliper, and is actuatable by a brake lever, includes a central drive element. The central drive element is connected to a drive spindle by way of a ball ramp coupling and the ball ramp coupling has a drive output disc, which engages in the drive element, and a coupling ring, with the ends of a torsion spring being connected to either the disc or the ring. The torsion spring is a helical spring, preferably composed of a wound spring plate.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: February 4, 2014
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Jose Camilo-Martinez, Matthias Klingner, Robert Trimpe
  • Patent number: 8616342
    Abstract: A vehicle brake monitor assembly for an air disk brake includes a brake actuator having a pushrod projecting from inside a chamber of said brake actuator. The pushrod releasably actuates a lever arm of a caliper thereby moving the disk brake into a braking position when the pushrod is in an extended position and releasing the disk brake from the braking position when the pushrod is in a retracted position. The pushrod includes a pushrod shaft and a contact member biased in a telescoping relationship relative to the pushrod shaft and the lever arm of the caliper abuts the contact member counteracting the bias of the contact member. A sensor is integrated with the assembly proximate the contact member and detects movement of the pushrod relative to the lever arm and to the pushrod shaft.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: December 31, 2013
    Assignee: Indian Head Industries, Inc.
    Inventors: Thomas Edward Wallace, Richard J Rink, Mark David Chandler, Glenn Singletary, Wayne Oster, Steve Lepard, Christopher Prager
  • Patent number: 8540060
    Abstract: There is provided a disk brake comprising: a mounting member axially extending over a disk periphery, the mounting member including a pad guide where a friction pad travels; a caliper; and a return spring between the friction pad and the mounting member and urges the friction pad into a return direction separating from the disk, wherein the return spring includes: a first extended portion where a base end side thereof is fixed to a back plate of the friction pad while a top end side thereof extends separating from the disk; and a second extended portion folded from the top end side of the first extended portion toward the mounting member, a top of the second extended portion extending to elastically abut to the side of the mounting member, and a plate thickness direction of the first extended portion extends to be approximately a radial direction of the disk.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: September 24, 2013
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Shigeru Hayashi, Masatoshi Tazaki
  • Patent number: 8469157
    Abstract: A brake assembly is provided for a utility vehicle. After a brake operation, a clearance between a control member and an intermediate part and/or between a brake element and an intermediate part is adjusted by means of a displacement or restoring unit arranged in an intermediate part. Wear, and the associated change of clearance, can be compensated for by means of friction gripping devices, located respectively in the control member and in the brake element.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: June 25, 2013
    Assignee: AGCO GmbH
    Inventors: Johann Dobler, Sven Krieger, Hajo Pargmann, Hans-Peter Zeiler
  • Patent number: 8443949
    Abstract: The cartridge (22) comprises a body (24), a rotary control plate (28) driving a push plate (30) in a translational movement, elastic means (38) of compressing the push plate (30) towards the control plate (28), and a cage (40) for holding the elastic means (38). The body (24) comprises a projection (42) for attaching the cage (40), collaborating with an attachment orifice (46) formed in an axial tab (44) of the cage (40). The cage (40) is capable of a rotational movement between an attachment position in which the attachment orifice (46) collaborates with the projection (42), and a release position in which the cage (40) is not attached to the body (24). The body (24) comprises a first limit stop (50) that limits the rotation of the cage (40) with which the tab (44) collaborates in the release position. The body (24) comprises a ramp (60), adjacent to the first limit stop (50). In the release position (40), the tab (44) rests radially against the projection (42) and the ramp (60).
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: May 21, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Roger Mahoudeaux, Xavier Laurencin
  • Patent number: 8430213
    Abstract: Provided is an electric brake capable of accurately estimating the brake pad temperature and securing a sufficient braking force and response. An electric brake has a disc rotor rotating with a wheel, an actuator for rectilinearly actuating a piston in the axial direction of the disc rotor by using an electric motor, a drive controller for controlling the drive of the actuator, a brake pad pressed by the piston to give a frictional resistance to the disc rotor in the direction of rotation, and a braking start position detector for detecting a braking start position of the piston where the disc rotor is brought into contact with the brake pad. The drive controller stores the braking start position detected by the braking start position detector as the maximum braking start position. When the braking start position shifts in the pressing force-increasing direction, the drive controller updates the value stored as the maximum braking-start position.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: April 30, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Atsushi Yokoyama, Yoshinari Kawahara, Satoru Kuragaki
  • Patent number: 8403114
    Abstract: The invention relates to a pneumatically and/or electromechanically actuable commercial vehicle disc brake having a brake disc, a brake caliper, a brake application shaft which can be actuated by a pivoting lever and lies transversely with respect to a rotational axis of the brake disc, an adjusting device which is arranged at least partially within an inner space of the brake caliper, and a first sealing device for sealing an annular space which is delimited by the inner wall of a through opening of the brake caliper and a device which extends through the through opening. According to the invention, a holding device, which holds a second sealing device for sealing the annular space at least partially, and a third sealing device are provided, which sealing device bears against the holding device for sealing the annular space at least partially.
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: March 26, 2013
    Assignee: Wabco Radbremsen GmbH
    Inventors: Wolfgang Falter, Christian Jungmann, Gunter Stingl, Denny Moller
  • Publication number: 20120325595
    Abstract: A force transmission device for a disc brake operable to move a friction element of the brake into engagement with a rotary brake disc along a first axis in response to a loading from an actuating member, the device comprising: a guide member having a generally cylindrical guide form; a piston comprising a complementary generally cylindrical outer sliding surface slideable within the guide member, wherein; an anti-rotation formation is provided between the guide member and the piston, the formation comprising a recess extending generally parallel to the first axis and a complementary projection.
    Type: Application
    Filed: June 21, 2012
    Publication date: December 27, 2012
    Applicant: MERITOR HEAVY VEHICLE BRAKING SYSTEMS (UK) LIMITED
    Inventors: Refaat Malki, Martin Taylor
  • Publication number: 20120325596
    Abstract: A brake having an adjustable tappet for applying a brake force to a brake pad, a tappet having a rotating part in threaded engagement with a non-rotating part, the rotating part including a tappet gear, an adjuster mechanism for selectable rotating the tappet gear, the adjuster mechanism having a clutch with a driving clutch plate in frictional engagement with a driven clutch plate, the driven clutch plate having external teeth in direct meshing engagement with the tappet gear.
    Type: Application
    Filed: June 21, 2012
    Publication date: December 27, 2012
    Applicant: MERITOR HEAVY VEHICLE BRAKING SYSTEMS (UK) LIMITED
    Inventors: Refaat Malki, Martin Taylor
  • Publication number: 20120318622
    Abstract: A wet disc brake system is described which includes a housing assembly and brake callipers. The housing assembly is provided with openings for seating cylinders of respective brake callipers. The callipers are coupled to a structural component of a vehicle to which the system is fitted and in particular a flange of an axle housing. This enables reactive forces created during a braking operation to be transmitted via the callipers to the flange and axle housing rather than being carried by housing assembly. As the housing assembly does not bear any substantive load, it may be made of a relatively light weight construction or material.
    Type: Application
    Filed: June 7, 2012
    Publication date: December 20, 2012
    Applicant: ADVANCED BRAKING PTY LTD
    Inventors: Andrew Miller, Robert McDougall, Stuart Millgate
  • Publication number: 20120292138
    Abstract: A wear adjuster for a brake caliper of a disk brake of a rail vehicle, having a) a helical gearing which has a threaded spindle and a nut to be screwed thereon as the screw connection elements, one of the screw connection elements and an adjusting element being rotatable in a first wear adjuster housing to rotatingly drive the screw connection element in the wear adjusting direction and the other screw connection element being non-rotatably mounted in a second wear adjuster housing, b) a wrap spring freewheeling mechanism which is blocked in a direction of rotation of the rotatable screw connection element against a wear adjustment and which is freewheeling in the opposite direction of rotation, the wrap spring freewheeling mechanism coupling the rotatable screw connection element to a rotationally fixed element. The rotationally fixed element is formed directly by the first wear adjuster housing.
    Type: Application
    Filed: January 27, 2011
    Publication date: November 22, 2012
    Applicant: KNORR-BREMSE SYSTEME FÜR SCHIENENFAHRZEUGE GMBH
    Inventors: Christian Ebner, Erich Fuderer, André Stegmann
  • Publication number: 20120292137
    Abstract: Some of the components of a parking brake mechanism are incorporated between an inner side case and an outer side case, the two case and are combined by engaging lock holes and lock claws, and an inner side auxiliary assembly is formed. In this state, the diameter of circumscribed circle of the lock claws is configured to be smaller. Then, when the inner side auxiliary assembly is incorporated in the cylindrical space, the two lock claws are engaged with a lock concave which is formed on the inner peripheral surface of the cylindrical space by making the two lock claws protrude greatly from the outer peripheral surface of the inner side case.
    Type: Application
    Filed: January 26, 2011
    Publication date: November 22, 2012
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventors: Kazuhiro Yoshikawa, Shinichi Yamadera
  • Patent number: 8286759
    Abstract: A pneumatically actuatable disc brake has a caliper straddling a brake disc. One brake pad on an application side being actuatable by a rotary lever of a brake application device. A brake cylinder, which can be pressurized using air pressure, is attached to a flange of calliper. The brake cylinder engages into the rotary lever via a cylinder plunger and has a return spring for returning the cylinder plunger to an unstressed initial position. The return spring abuts against the base of a cover supported on the flange. The disc brake is configured such that a self-energizing device is provided having a self-energizing factor selected such that the brake automatically releases itself after braking. The flange forms an abutment for the return spring.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: October 16, 2012
    Assignee: Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Johann Baumgartner, Robert Gruber, Aleksandar Pericevic, Steffen Geissler, Robert Trimpe
  • Patent number: 8235183
    Abstract: A ball ramp brake including a housing, a disc assembly within the housing, and an annular rotatable actuator to actuate the brake by compressing the disc assembly. The rotatable actuator includes a plurality of depressions oriented circumferentially therein which become progressively shallower in a first circumferential direction. A plurality of depressions are circumferentially oriented in a surface of the housing and become progressively shallower in a second circumferential direction. The depressions in the actuator and the depressions in the housing each have a first angle of depression that is steeper than a second angle of depression. A boot seal may be provided between the fluid chamber of an actuating cylinder and the inner area within the housing to prevent fluid leakage. In addition, a cooling chamber may be provided in the housing to improve the brakes efficiency.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: August 7, 2012
    Assignee: Ausco Products, Inc.
    Inventors: Brian P. Dennis, LynRoy Palmer-Coleman, Howard H. Baldeosingh, Brett A. Starr, Kenneth A. Dodd, David Alley, Peter J. Pozivilko
  • Patent number: 8157060
    Abstract: An elevator installation has an elevator car that moves in a vertical direction along guide tracks and is braked or held at standstill by a braking equipment. The braking equipment includes at least two brake units, at least one of the brake units, but preferably each of the brake units, is provided with a wear-compensating device which, when the brake unit is opened or released, sets a clearance distance between a brake lining and an associated brake surface, which clearance arises on opening of the brake unit, in correspondence with a substantially constant value. Thereby, use may be made of customary and thus economic brake materials which may wear during braking.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: April 17, 2012
    Assignee: Inventio AG
    Inventors: Nicolas Gremaud, Hans Kocher, Josef A. Muff
  • Patent number: 8151947
    Abstract: The present invention provides a single motor electronic controlled wedge brake system that can achieve parking brake, frictional correction of pads, and fail safe as well as travel brake through the drive control using a single motor. Accordingly, it is possible to achieve a simple configuration of the electronic controlled wedge brake system, reduce manufacturing cost, and facilitate control.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: April 10, 2012
    Assignee: Hyundai Mobis Co., Ltd.
    Inventor: Dongil Park
  • Publication number: 20120073912
    Abstract: A pneumatic or electromagnetically actuated disc brake includes a caliper spanning a brake disc, a brake application unit disposed in the caliper and having a brake lever, at least one actuating spindle axially displaceable by the rotary lever, and a wear adjustor actuated by the brake lever and positioned in the brake caliper, by which a wear-induced change in an air gap between a brake pad and the brake disc can be substantially compensated for by way of an axial adjustment of the actuating spindle. The wear adjustor includes a spur gear segment extending in the pivot direction and disposed on the lever and engaging with a crown gear operationally connected to the actuating spindle for adjusting.
    Type: Application
    Filed: October 20, 2011
    Publication date: March 29, 2012
    Applicant: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Jose CAMILO-MARTINEZ, Michael Peschel, Robert Trimpe
  • Patent number: 8091691
    Abstract: A disk brake for a traction machine having a damping height of a damping mechanism that can be adjusted integrally. According to one embodiment, a disk brake includes: a static iron core; a spring and a coil assembly in the static iron core; a dynamic iron core assembly including a dynamic iron core, a dynamic disk, and first and second friction rotors configured to fit with the dynamic iron core and the dynamic disk; a plurality of connecting bolts; a plurality of spacers; a damping mechanism on the dynamic iron core assembly, the damping mechanism including a plurality of damping components on the dynamic iron core; an adjusting toothed belt assembly coupled to the damping components and banded to a circumferential outer surface of the dynamic iron core; and an adjusting bracket on the dynamic iron core and coupled to the adjusting toothed belt assembly.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: January 10, 2012
    Assignee: Suzhou Torin Drive Equipment Co., Ltd.
    Inventors: Yesheng Qu, Jianwen Cao, Wenna Fang, He Zhang, Wei Zhou
  • Patent number: 8033364
    Abstract: By rotating a regulating bolt about an axis thereof to move forward/backward with respect to a protrusion portion, a lever is rotated about a shaft portion of an adjusting member. Therefore, the shaft portion of an adjusting member is rotated together with the lever to adjust a gap formed between a disk and a piston. After the gap is adjusted, the regulating bolt is fastened owing to a lock nut and a screw hole of the protrusion portion to thereby fix an forward/backward position of the regulating bolt with respect to the protrusion portion. In addition, a fixing bolt is screwed into a screw hole of a second housing portion to thereby fix a rotational position of the lever. Accordingly, the rotational position of the lever is double-locked.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: October 11, 2011
    Assignees: Kabushiki Kaisha Toyota Jidoshokki, Akebono Brake Industry Co., Ltd.
    Inventors: Takashi Nishihara, Teruo Sanada
  • Publication number: 20110203882
    Abstract: An adjusting device is provided for adjusting wear of brake pads and a brake disc of a pneumatically actuated disc brake, having a rotary lever-actuated application device. The adjusting device is insertable into an adjusting spindle of the disc brake and attached to a brake caliper of the disc brake by way of a bearing disc. A drive ring is axially disposed on a bushing of a powershift/overload clutch. The powershift/overload clutch is axially disposed between the drive ring and a clutch sleeve for a spring. The clutch sleeve has a sleeve and a clutch insert that may be axially inserted into the sleeve in a positively engaged manner.
    Type: Application
    Filed: March 23, 2011
    Publication date: August 25, 2011
    Applicant: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventor: Johann Iraschko
  • Patent number: 7980366
    Abstract: A hydraulically actuated disc brake has at least two hydraulic brake pistons acting upon a brake lining, arranged in a brake housing. The hydraulic disc brake includes a hydraulic synchronization device for reducing oblique wear of the brake lining. The hydraulic synchronization device is interposed between an input pressure line for brake actuation and the brake piston.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: July 19, 2011
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Aleksandar Pericevic, Johann Baumgartner, Robert Trimpe, Steffen Geissler
  • Publication number: 20110147138
    Abstract: The invention relates to a disk brake, in particular for utility vehicles, having a brake application shaft (14) and having an adjusting device for wear-dependent adjustment, wherein a rotational axis (36) of the brake application shaft is perpendicular to a rotational axis (40) of the adjusting device and a pin (23) serves to couple the brake application shaft to the adjusting device. A longitudinal axis of the pin encloses an acute angle with the rotational axis of the brake application shaft. The invention also relates to an adjusting device for a disk brake, in particular for utility vehicles, having an adjusting element in the form of an adjusting nut or an adjusting screw, and having a slipping clutch (28, 30) for limiting the torque which can be transmitted to the adjusting element. The slipping clutch has a friction element which is rotationally coupled to the adjusting element in both rotational directions.
    Type: Application
    Filed: July 31, 2009
    Publication date: June 23, 2011
    Applicant: WABCO Radbremsen GmbH
    Inventors: Hans-Christian Jungmann, Marcus Keller
  • Patent number: 7958974
    Abstract: A self-boosting electromechanically actuable disc brake, having an application device for applying the brake pad, which application device has a rotary brake lever and a self-boosting device, wherein the rotary brake lever acts on an actuating plunger which acts on the application-side brake lining directly or via a pressure plate, is characterized in that the actuating plunger is pivotably mounted on the rotary brake lever and on the pressure plate or the application-side brake lining with an intersecting rotational axis.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: June 14, 2011
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Johann Baumgartner, Robert Gruber, Robert Trimpe
  • Patent number: 7900751
    Abstract: A method and brake disc assembly to utilize worn refurbished brake material is disclosed. The method discloses the use of a brake disc for braking and the subsequent machining or refurbishment of the brake disc so that the brake disc can be used for three tours of braking to increase the utilization of the brake material.
    Type: Grant
    Filed: February 1, 2006
    Date of Patent: March 8, 2011
    Assignee: Honeywell International Inc.
    Inventors: Terence B. Walker, Akshay Waghray
  • Patent number: 7866447
    Abstract: An electro mechanical or pneumatically actuated disk brake, in particular for a utility vehicle, includes a brake caliper or saddle and a brake disk. The brake saddle overlaps the brake disk at least in sections of the outer periphery thereof. The disk brake also includes a tensioning device which is entirely or partially inserted into the brake saddle. The tensioning device is used to produce a tensioning movement between the brake linings and the brake disk. The disk brake further includes at least one and preferably several adjusting devices. The brake disk and/or the brake saddle are arranged on a step with elastic pre-tension when the brake is in the release state.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: January 11, 2011
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Johann Baumgartner, Markus Stoehr, Andreas Leinung, Wolfgang Pahle
  • Publication number: 20100314205
    Abstract: The invention relates to a pneumatically and/or electromechanically actuable commercial vehicle disc brake having a brake disc, a brake calliper, a brake application shaft which can be actuated by means of a pivoting lever and lies transversely with respect to a rotational axis of the brake disc, an adjusting device which is arranged at least partially within an inner space of the brake calliper, and a first sealing device for sealing an annular space which is delimited by the inner wall of a through opening of the brake calliper and a device which extends through the through opening. According to the invention, a holding device, which holds a second sealing device for sealing the annular space at least partially, and a third sealing device are provided, which sealing device bears against the holding device for sealing the annular space at least partially.
    Type: Application
    Filed: November 24, 2008
    Publication date: December 16, 2010
    Applicant: WABCO RADBREMSEN GMBH
    Inventors: Wolfgang Falter, Christian Jungmann, Gunter Stingl, Denny Moller
  • Patent number: 7849976
    Abstract: An electro-mechanical brake achieves a safe traveling and braking with a high accuracy device for detecting a piston position at which a brake pad and a disk rotor contact each other. A pad contact position detecting device in which an electric circuit is not formed to prevent an electric current from flowing therethrough when a pad pressing force is not generated and the electric circuit is formed to enable the electric current to flow therethrough when the pad pressing force is generated is applied to the electro-mechanical brake. A pad contact position can thereby be detected accurately.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: December 14, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Yoshinari Kawahara, Atsushi Yokoyama, Hiroyuki Saito
  • Publication number: 20100200341
    Abstract: The present invention provides a brake operation structure capable of realizing facilitation of adjustment work of a brake operation mechanism for operating a brake mechanism based on manual operation. The brake operation structure includes a brake operation mechanism that rotates a brake pressing member of the brake mechanism about a rotational axis line into a brake actuation direction in accordance with manual operation, and a brake adjustment mechanism that adjusts an initial position of the brake pressing member around the rotational axis line at a time when the brake operation mechanism is not in operation. The brake adjustment mechanism is inserted in the brake operation mechanism at a position allowing the brake adjustment mechanism to be accessed from above a fender trough an opening that is provided at the fender for allowing a driver's seat support frame to be mounted.
    Type: Application
    Filed: September 10, 2008
    Publication date: August 12, 2010
    Applicant: Yanmar Co., Ltd.
    Inventor: Toshikazu Matsubayashi
  • Patent number: 7712588
    Abstract: An adjustment mechanism for a vehicle brake uses an electric motor to adjust brake clearance based on brake temperature and wheel speed. A temperature sensor transmits brake temperature data to a controller. If a brake is dragging during non-braking events, the controller identifies an increase in brake temperature and actuates the electric motor to increase brake clearance. The controller also adjusts brake clearance to accommodate for brake wear. When wheel speed is above a predetermined speed value, the controller actuates the electric motor to move a non-rotating brake component toward a rotating brake component until a predetermined temperature increase is sensed. Once the predetermined temperature increase is identified, the electric motor moves the non-rotating brake component away from the rotating brake component to provide an optimized brake clearance.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: May 11, 2010
    Assignee: ArvinMeritor Technology, LLC
    Inventor: LaVerne A. Caron
  • Patent number: 7614483
    Abstract: The invention relates to an adjusting device of a disk brake, in particular a pneumatically actuatable disk brake. The adjusting device is in embodied in such a manner that it can rotate at least one rotatable spindle which acts upon at least one pressure piece on the brake lining and which comprises an output toothing arrangement. The output toothing arrangement comprises at least one tooth which engages in a groove of the rotatable spindle. The invention is characterized in that the output toothing arrangement and/or the groove are embodied in such a manner that they can be elastically compressed.
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: November 10, 2009
    Assignee: Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Matthias Klingner, Georg Kempinger, Wlodzimierz Macke
  • Patent number: 7552804
    Abstract: An electromechanically actuatable disk brake with a self-boosting device includes a wear readjusting device which can for instance be adjusted by means of an electric motor as an actuator, to compensate for wear of the friction brake lining.
    Type: Grant
    Filed: June 23, 2004
    Date of Patent: June 30, 2009
    Assignee: Robert Bosch GmbH
    Inventors: Dietmar Baumann, Dirk Hofmann, Herbert Vollert, Willi Nagel, Andreas Henke, Bertram Foitzik
  • Patent number: 7513339
    Abstract: A disk brake mechanism is described, comprising one of a pneumatic and electromechanical actuator having a brake piston, a brake application device for actuating the disk brake mechanism, and a fixed-type brake caliper attached to an axle, for moving a reaction-side brake lining against a brake disk during application. The mechanism also includes a pivoting lever of the brake application device, operatively connected to the brake piston for pressing an application-side brake lining during application, the pivoting lever being supported on one side on the brake caliper, and a supporting part forming, after a predefined stroke portion of an application stroke of the brake piston, an abutment for the pivoting lever between a pressure region of the application-side brake lining on the pivoting lever, and a support of the pivoting lever on the brake caliper.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: April 7, 2009
    Assignee: Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    Inventor: Franz-Josef Birkeneder
  • Patent number: 7484601
    Abstract: The invention relates to a self-boosting electromechanical disk brake with a frame caliper equipped with a wear readjustment device which for instance is automatic and which upon tensing of the disk brake stores energy by prestressing a torsion shaft, which upon release of the disk brake converts this energy into a wear readjustment motion. In the process, a spacing between two brake lining holders of the frame caliper in the disk brake is decreased.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: February 3, 2009
    Assignee: Robert Bosch GmbH
    Inventors: Dietmar Baumann, Dirk Hofmann, Herbert Vollert, Willi Nagel, Andreas Henke, Bertram Foitzik, Bernd Goetzelmann
  • Patent number: 7481301
    Abstract: A force sensor is incorporated into a disc brake, and is operable to sense the point of force application increase during application of the disc brake. The force will increase sharply once the brake pad initially contacts the rotor. The sensor is able to determine the point of this force increase, and provide this information to a control. The control powers an electric motor for providing electric motor adjustment of the position of the piston which drives the brake pad, to compensate for wear. In a preferred embodiment, the sensor includes a protective cover with a thin anvil between the cover and the sensor. The anvil is operable to transmit the force, and limit the force applied, to protect the sensor.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: January 27, 2009
    Assignee: ArvinMeritor Technology, LLC
    Inventor: Dennis A. Kramer
  • Patent number: 7475760
    Abstract: The invention provides an electric brake system and method. The electric brake system includes an electric motor having a portion moveable along a path between a plurality of positions for moving a brake pad and applying a selectable amount of braking force on a brake rotor. One of the plurality of positions is a minimal contact position. The minimal contact position is operable to change among the plurality of positions over time. The electric brake system also includes an electric controller for controlling the electric motor to move the portion along the path between the minimal contact position and at least one other of the plurality of positions for moving the brake pad and for selecting the amount of braking force. The electric brake system also includes at least one sensor for sensing at least one of motor current, motor acceleration, controller voltage, motor speed, motor voltage, and motor temperature, and communicating a sensed condition to the controller.
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: January 13, 2009
    Assignee: Delphi Technologies, Inc.
    Inventors: Pierre Claude Longuemare, Paul Marie Degoul, Jon T. Zumberge, Bryan P. Riddiford
  • Publication number: 20090000880
    Abstract: A disc brake shim plate including a metal plate and a rubber section formed on at least one side of the metal plate. The rubber section includes an elastomer and carbon nanofibers having an average diameter of 0.5 to 500 nm and dispersed in the elastomer; the rubber section in uncrosslinked form has a first spin-spin relaxation time (T2n), measured at 150° C. by a Hahn-echo method using a pulsed NMR technique with 1H as an observing nucleus, of 100 to 3000 microseconds, and a fraction (fnn) of components having a second spin-spin relaxation time (T2nn) of less than 0.2; and the elastomer is one material selected from a natural rubber, an ethylene-propylene rubber, and a nitrile rubber.
    Type: Application
    Filed: November 28, 2007
    Publication date: January 1, 2009
    Applicant: NISSIN KOGYO CO., LTD.
    Inventors: Toru Noguchi, Akira Magario
  • Publication number: 20090000881
    Abstract: A disc brake is provided for a commercial vehicle, having a brake caliper and brake pads, which make contact with a brake disc. At least one brake pad, together with a carrier plate and a friction lining fixed on the latter, can be pressed against the brake disc by a brake application device via at least one rotatable control spindle and a pressure piece which is operatively connected to the latter and is connected fixedly to the carrier plate. A folding bellows, which is fastened such that it cannot rotate to the brake caliper and bears freely for the unimpeded rotation of the control spindle and yet in a sealing manner against said control spindle, is provided for sealing the outlet region of the control spindle out of the brake caliper.
    Type: Application
    Filed: January 28, 2008
    Publication date: January 1, 2009
    Applicant: Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    Inventor: Franz GASSLBAUER
  • Patent number: 7422091
    Abstract: A disc brake, particularly for utility vehicles, comprising a brake caliper that overlaps a brake disc, a tensioning device for tensioning brake pads, and an adjusting system for compensating for wear to the brake pads and/or brake disc. The adjusting system has at least one electric motor that serves as a drive. The at least one electric motor is mounted on the brake caliper in a manner that permits it to be accessed from the exterior.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: September 9, 2008
    Assignee: Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Johann Baumgartner, Dieter Bieker