Patents Assigned to Haldex Brake Products AB
  • Patent number: 7497526
    Abstract: An electronically controlled braking system includes at least one central control unit, the at least one central control unit operable to assign identifiers during an identifier assignment routine, a first distributed electronic control unit, a second distributed electronic control unit and a control network over which the at least one control unit, the first distributed electronic control unit and the second distributed electronic control unit are communicable. The identifiers include a first identifier and a second identifier, one of which is assigned to the first distributed electronic control unit and the other which is assigned to the second distributed electronic control unit at least in part based upon the timing of identification signals generated by the first distributed electronic control unit and the second distributed electronic control unit reaching the central control unit via the control network.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: March 3, 2009
    Assignee: Haldex Brake Products AB
    Inventors: Peter Nilsson, Anders Lindqvist
  • Patent number: 7493993
    Abstract: The invention relates to a heavy vehicle brake system and in particular, a brake system having a reduced length and an axially mounted actuator while delivering the same clamp force. A brake system for a vehicle including an actuator having a service chamber and a parking chamber and the actuator operates along an axis through the service chamber and the parking chamber. The actuator has an overall length of less than approximately 200 millimeters along the actuator axis. The brake system also includes an application unit actuated by the actuator. The application unit has a force multiplying device for generating a clamp force. The clamp force is exerted in a direction substantially parallel to the axis of the actuator.
    Type: Grant
    Filed: August 26, 2005
    Date of Patent: February 24, 2009
    Assignee: Haldex Brake Products AB
    Inventor: Matti Pettersson
  • Patent number: 7448701
    Abstract: A vehicle brake system includes a brake actuator associated with a wheel, the brake actuator having at least one moveable brake component, and a brake control system operative to determine a target rotational velocity of the wheel based at least in part on a relationship between an actual tire/road friction force and a target tire/road friction force, the brake control system determining a target position of the at least one moveable brake component based at least in part upon the target rotational velocity. The brake control system is operable to control actuation of the brake actuator based at least in part upon the target position of the at least one moveable brake component and at least in part based upon a current position of the at least one moveable brake component.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: November 11, 2008
    Assignee: Haldex Brake Products AB
    Inventors: Peter Nilsson, Ola Nockhammar
  • Patent number: 7445093
    Abstract: The present invention refers to a disc brake and to disc brake stabilizing elements to be used in such disc brakes. The disc brake comprises a caliper receiving one or more brake pads and encircling one or more brake discs, of which at least one brake disc is received slideably on a hub or a part connected to the hub, by means of splines or teeth, wherein two or more disc stabilizing elements are placed between each brake disc and the hub or the part connected to the hub and which are configured and arranged such as to deflect in axial direction during application of the brake and create forces assisting the axial retraction of the brake discs at release of the brake.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: November 4, 2008
    Assignee: Haldex Brake Products AB
    Inventors: Patrik Kaell, Goeran Stensson, Joakim Gripemark
  • Patent number: 7401686
    Abstract: A device in a vehicle brake arrangement for determining the applied brake force comprises an enclosed elastically deformable medium (20), on which the reaction force from the brake force is to act. An axially movable push rod (22) is in contact with the medium (20) for transmitting a force therefrom, and sensor means (26; 28) are provided for sensing the force in the push rod.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: July 22, 2008
    Assignee: Haldex Brake Products AB
    Inventor: Lars Severinsson
  • Patent number: 7396088
    Abstract: A braking system includes a power supply supplying electrical power, and first and second brake components at least partially operated by electrical power. A first power supply network electrically connects the power supply and the first brake component, and a second power supply network electrically connects the power supply and the second brake component, the power supply networks being adapted to transmit the electrical power from the power supply to the first and second brake components respectively. An auxiliary power supply link is activatable to electrically connect the first power supply network and the second power supply network only when a failure occurs in one of the first power supply network or the second power supply network, the auxiliary power supply link adapted to transmit the electrical power between the first power supply network and the second power supply network only when the failure occurs.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: July 8, 2008
    Assignee: Haldex Brake Products AB
    Inventor: Peter Nilsson
  • Patent number: 7389858
    Abstract: The present invention relates to a disc brake having a housing, a clamping device, a push rod, and a self-activating adjustment device, whereby the adjustment device includes a first subassembly and a second subassembly. According to the invention the adjustment device includes an assembling joint, which makes possible the transmission of a rotary motion from the first subassembly to the second subassembly, whereby the assembling joint allows an axial relative motion between the first subassembly and the second subassembly, whereby the assembling joint permits an axial relative motion between the first subassembly and the second subassembly of the adjustment device. According to a particular embodiment of the invention, a misalignment of the push rod inside a place, which lies parallel to the brake disc, can occur with respect to the housing, without resulting in jamming of the cylindrical element with respect to the push rod and housing.
    Type: Grant
    Filed: January 12, 2006
    Date of Patent: June 24, 2008
    Assignee: Haldex Brake Products AB
    Inventors: Stefan Sandberg, Lars Severinsson
  • Patent number: 7359786
    Abstract: An electrically controlled braking system includes a first control unit and a second control unit in electrical communication via a communication link and a human machine-interface manipulatable by a vehicle operator. The human-machine interface includes a first sensor and a second sensor, the first sensor providing an input signal to the first control unit, and the second sensor providing an input signal to the second control unit. The first control unit and the second control unit compare the input signal received from the first sensor with the input signal received from the second sensor, and generate control signals at least in part based upon the input signal received from the first sensor, the input signal received from the second sensor, and the comparison of the input signal received from the first sensor with the input signal received from the second sensor.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: April 15, 2008
    Assignee: Haldex Brake Products AB
    Inventor: Anders Lindqvist
  • Patent number: 7353917
    Abstract: The present invention concerns a disc brake having a caliper encircling one or more brake discs. At least one of said brake discs is received sliding on a hub or a part connected to the hub. According to the invention the caliper is to be mounted in a lagging position. In said lagging position at least a portion of the brake pad assemblies is positioned 0°-180° behind an imaginary point vertically above the centre of a wheel axle, when seen in the normal direction of disc rotation. The invention is intended for brakes, in which the brake pads only act on a restricted part of a full circle.
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: April 8, 2008
    Assignee: Haldex Brake Products AB
    Inventors: Joakim Gripemark, Patrik Kall, Goran Stensson
  • Patent number: 7350879
    Abstract: An electrically controlled braking system includes a control unit and first and second brake components responsive to control signals indicative of demand for braking generated by the control unit. A first control network electrically connects the control unit and the first brake component, and is adapted to transmit the control signals from the control unit to the first brake component. A second control network electrically connects the control unit and the second brake component, and is adapted to transmit the control signals from the control unit to the second brake component. An auxiliary control link electrically connects the first control network and the second control network, the auxiliary control link being adapted to transmit the control signals between the first control network and the second control network when a failure occurs in one of the first control network or the second control network.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: April 1, 2008
    Assignee: Haldex Brake Products AB
    Inventors: Peter Nilsson, Anders Lindqvist
  • Patent number: 7347304
    Abstract: A vehicle brake system includes a brake actuator, a brake controller operative to control the brake actuator, and at least one position sensor which senses a current position of at least one moveable brake component and provides a current position signal indicative of the current position of the at least one moveable brake component to the brake controller. The brake controller is operative to cause actuation of the brake actuator based at least in part upon a position indicative command received by the brake controller indicative of a commanded position of the at least one moveable brake component and at least in part based upon the current position signal.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: March 25, 2008
    Assignee: Haldex Brake Products AB
    Inventors: Peter Nilsson, Ola Nockhammar
  • Patent number: 7344007
    Abstract: The invention relates to a disk brake provided with a brake caliper comprising a brake disk, a sliding member which can be displaced in a vertical manner in relation to the surface of the brake disk in the brake caliper and can be engaged against the brake disk, and a clamping device comprising a rotary lever and a rotational body. In one embodiment of the invention, the rotary lever comprises a domed-shaped control surface whereon the rotational body is arranged in a rotational contact position. By pivoting said rotary lever in a radial segment bearing, the rotational body and the rotary lever modify their position, in relation to each other, such that the sliding member is displaced in order to apply braking force. The rotational body then carries out a full rotational movement on the control surface.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: March 18, 2008
    Assignee: Haldex Brake Products AB
    Inventor: Lars Severinsson
  • Patent number: 7317975
    Abstract: Disclosed is a system providing tracking and wireless communications for remote diagnostics of a vehicle which transmits data communicated over a vehicle system's CAN bus to a remote location, which is adapted to use data received from a vehicle in order to compare the performance of the vehicle and/or of the operator of the vehicle with the performance of other vehicles and/or operators of other vehicles, which incorporates advanced power management functionality for conserving power, particularly when the system is disconnected from a main power supply, and which facilitates the identification of vehicles that have not reported back to the system or that have not moved within a specified time period.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: January 8, 2008
    Assignee: Haldex Brake Products AB
    Inventors: Paul Woolford, Roger Carlsson
  • Patent number: 7314257
    Abstract: A vehicle brake system includes a brake actuator associated with a tire, the brake actuator having at least one moveable brake component, and a brake control system. The brake control system is operative to determine a target position of the at least one moveable brake component based at least in part upon a relationship between an actual tire/road friction force and a target tire/road friction force, and to control actuation of the brake actuator based at least in part upon the target position of the at least one moveable brake component and at least in part based upon a current position of the at least one moveable brake component. The target tire/road friction force may be determined based at least in part upon a relationship between vertical force acting on the tire, optimal tire slip, slip angle, at least one road dependant parameter, and at least one tire dependant parameter.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: January 1, 2008
    Assignee: Haldex Brake Products AB
    Inventors: Jacob Svendenius, Peter Nilsson, Ola Nockhammar
  • Patent number: 7299899
    Abstract: The present invention concerns a digital sensor for monitoring the wear of lining material of a disc brake. The sensor is to be attached to the end of an adjusting shaft of an adjusting mechanism, which mechanism is used for adjusting the position of brake pads in relation to the brake disc. The sensor has two or more code parts of which one is rotated continuously by rotation of the adjustment shaft. The code parts have paths of codes to be read by detectors placed on a PCB. The PCB has circuitry to relate the position of the sensor to the wear of the lining material.
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: November 27, 2007
    Assignee: Haldex Brake Products AB
    Inventors: Lars Severinsson, Anders Persson, Luis Tormo
  • Patent number: 7261193
    Abstract: The present invention concerns a disc brake having one or more sliding or floating brake discs. The discs are received on a hub by means of splines on the discs and hub, respectively. The discs have means to widen the support of each disc on the hub. The means may have the form of one or more rings, pins and/or clips attached to the discs.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: August 28, 2007
    Assignee: Haldex Brake Products AB
    Inventors: Joakim Gripemark, Lars Severinsson, Anders Ortegren, Patrik Kall
  • Patent number: 7258206
    Abstract: An electronically controlled disc brake with self-servo effect comprises a ramp plate provided with a brake pad for engagement with a brake disc, an actuator for applying a control force on the ramp plate substantially transverse to the brake disc, a ramp bridge, and rollers movable in ramps in surfaces facing each other of the ramp plate and the ramp bridge. The arrangement of these members is such that a movement of the ramp plate in the tangential direction of the brake disc will cause it to move towards or away from the brake disc.
    Type: Grant
    Filed: September 9, 2004
    Date of Patent: August 21, 2007
    Assignee: Haldex Brake Products AB
    Inventor: Lars MaHis Severinsson
  • Patent number: 7258210
    Abstract: A disc brake comprising a caliper, one or more brake discs and one or more brake pads. The brake pads are received on back plates or other pad support. The caliper and the pad supports are designed to take up resulting re-action forces during braking in a plane perpendicular to a contact surface between the caliper and each pad support.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: August 21, 2007
    Assignee: Haldex Brake Products AB
    Inventor: Joakim Gripemark
  • Patent number: 7204351
    Abstract: The invention relates to a brake gear for a disc brake serving to transfer a force to a brake pad that acts upon a brake disc. The brake gear is accommodated in a brake caliper of the disc brake and comprises both a pressing element, which interacts with the brake caliper, as well as a rod. The pressing element is mounted in the housing of the brake caliper with the aid of the rod in such a manner that it is parallel to the rotation axis of the brake disc.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: April 17, 2007
    Assignee: Haldex Brake Products AB
    Inventor: Stefan Sandberg
  • Patent number: 7188711
    Abstract: The present invention concerns disc brakes and more precisely a brake disc (2) to central part (3) interface. The disc brake has a caliper (1) receiving one or more brake pads (8) and encircling one or more brake discs (2). At least one of the brake discs (2) is received sliding on a central part (3) in the form of a hub, a sleeve or the like. Said central part (3) is received on a wheel axle or the like. The discs (2) are connected to the central part (3) in a rotationally interlocked but axially sliding way by means of teeth (4, 5), splines or the like. At least contact parts of the teeth (4, 5) or the like of the at least one disc (2) and/or the central part (3) have the form of arcs, seen in the direction of the wheel axis. Said contact parts are the parts of the teeth faces expected to make contact with each other in a released position of the brake.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: March 13, 2007
    Assignee: Haldex Brake Products AB
    Inventors: Joakim Gripemark, Patrik Kall, Goran Stensson