Patents Assigned to BAE Systems Hagglunds Aktiebolag
  • Patent number: 10160489
    Abstract: The invention relates to a steering device for an articulated tracked vehicle comprising a front and a rear vehicle unit, wherein said steering device comprises a substantially vertical steering link about whose axis said front and rear vehicle units are pivotable. The vertical steering link is arranged substantially centrally of the front vehicle unit, and the steering device comprises a steering bearing configuration comprising an outer bearing ring arranged to be attached to a centre bean of said front vehicle unit, and an inner bearing ring rotatbly arranged relative to said outer bearing ring via a bearing about the axis of the steering link.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: December 25, 2018
    Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Björn Hellholm, Joel Lindström
  • Patent number: 10144460
    Abstract: The invention relates to a suspension device for tracked vehicles, which vehicle comprises at least one pair of track assemblies, where each track assembly of the pair of track assemblies comprises a track support beam, at least one drive wheel, a plurality of support wheels and an endless track, wherein the drive wheel and the plurality of support wheels are rotatably secured to the track support beam. The drive wheel is arranged to drive the endless track running over the at least one drive wheel and the plurality of support wheels. The suspension device comprises a first suspension configuration constituting a support wheel suspension configuration configured to resiliently secure the support wheels to the track support beam, and a second suspension configuration configured to connect the track assembly pair with a centrally arranged center beam. The invention also relates to a tracked vehicle.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: December 4, 2018
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn Hellholm, Björn Nordberg
  • Patent number: 10139485
    Abstract: A device, a motor vehicle equipped with the device, a method, and a computer program product including program code to implement the method, for collision risk management pertaining to a vehicle including portions projecting outside a basic configuration of the vehicle, including determining a surrounding configuration as basis for collision risk determination, determining presence of portions projecting outside the basic configuration, determining if collision risk is present at the thus determined surrounding configuration and the thus determined total vehicle configuration, and for an operator of the vehicle indicating the thus determined collision risk.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: November 27, 2018
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventor: Ronny Backström
  • Patent number: 10131386
    Abstract: The present invention relates to a method for controlling a suspension system of a motor vehicle comprising a vehicle body and a plurality of wheel pairs (2a/2b, 2c/2d), wherein the suspension system comprises spring members arranged for resilient connection between the wheels of the vehicle and said vehicle body. The method comprises the step of: monitoring at least one first parameter indicating braking of thee motor vehicle, and when said parameter indicates braking of the motor vehicle, preventing compression of the spring members of at least one wheel pair (2a/2b, 2c/2d) of the motor vehicle for counteracting a rotation of the vehicle body in connection to braking.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: November 20, 2018
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventor: Anders Bodin
  • Patent number: 10098257
    Abstract: The invention pertains to a device for signature adaptation, comprising a surface element arranged to assume a determined thermal distribution, wherein said surface element comprises at least one temperature generating element arranged to generate at least one predetermined temperature gradient to a portion of a first heat conducting layer of said surface element, characterized in that said device for signature adaptation comprises a liquid cooling element arranged to provide at least one liquid flow, thermally contacting an inner portion of said at least one temperature generating element so that thermal energy is dispersed from said at least one temperature generating element.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: October 9, 2018
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Peder Sjölund, Jussi Myllyluoma
  • Publication number: 20180251159
    Abstract: The present invention relates to a tracked amphibious vehicle having a vehicle frame and a pair of track assemblies attachable to a respective side of said vehicle frame, said vehicle frame being arranged to support a tilting vehicle cab and an engine configuration, said vehicle frame comprising a pair of separated longitudinal wall elements extending in the longitudinal direction of the tracked vehicle and a bottom element connecting said pair of longitudinal wall elements so as to form a space for supporting and housing said engine configuration, wherein said vehicle frame comprises an extension frame and has a lateral extension so that no portion of the vehicle frame extends laterally passed a respective track of said pair of track assemblies so as to allow easy access to said space.
    Type: Application
    Filed: June 22, 2016
    Publication date: September 6, 2018
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn HELLHOLM, Pär SÖDERBERG
  • Patent number: 10054403
    Abstract: The invention pertains to a method for threat handling of a ground based vehicle, comprising the steps of providing at least two kinds of systems for said threat handling, wherein said threat handling comprises determining information about said threat and determining actions for handling said threats based upon said information, and providing a control unit for controlling provided systems, providing a separate hardware safety configuration unit, and providing said separate hardware safety configuration unit with by means of provided means determined information about said threat so as to in an evaluation step deciding if said control unit should be given a go ahead for handling said threat or not. The invention also relates to a computer program product comprising program code for a computer implementing a method according to the invention. The invention also relates to a device and a ground based vehicle which is equipped with the device.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: August 21, 2018
    Assignee: BAE SYSTEMS Hägglunds Aktiebolag
    Inventors: Ronny Backström, Gösta Svensson
  • Publication number: 20180216737
    Abstract: The present invention relates to an amphibious vehicle comprising a vehicle frame and a cab supported by said vehicle frame, said cab being connected to said vehicle frame via hinge means so as to allow tilting of said cab about said hinge means between a closed position and an open position, wherein said vehicle comprises a sealing arrangement comprising sealing means arranged to provide liquid tight sealing between the cab and the vehicle frame in said closed position, wherein in the closed position, the sealing arrangement is arranged to provide a confined space for protecting components of said vehicle enclosed inside said space.
    Type: Application
    Filed: June 21, 2016
    Publication date: August 2, 2018
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn HELLHOLM, Max THORÉN, Pär SÖDERBERG, Anders SÖDERHOLM
  • Patent number: 10029748
    Abstract: The present invention relates to an articulated tracked vehicle comprising a front and a rear vehicle unit connected by means of a rigid load-carrying frame. The load-carrying frame is pivotally attached to the front vehicle unit about a substantially vertical front steering link and pivotally attached to the rear vehicle unit about a substantially vertical rear steering link. The vehicle further comprises control means arranged to steer the front vehicle unit relative to the load-carrying frame about the front vertical steering link and to steer the rear vehicle unit relative to the load-carrying frame about the rear vertical steering link, wherein the control means is arranged such that the front and rear vehicle units are individually steerable relative to the load-carrying frame about their respective vertical steering links.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: July 24, 2018
    Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Björn Hellholm, Björn Nordberg
  • Patent number: 9979260
    Abstract: The invention relates to a method for liquid cooling of an electric motor of inner rotor type having a rotor of hub type and a stator provided with windings. The method includes supplying a cooling liquid for cooling to at least one end of the hub of the rotor, feeding supplied cooling liquid at least radially in the hub by means of the rotation of the hub, and by means of the rotation of the rotor throwing thus fed cooling liquid towards the stator. The invention also relates to a device and a platform to practice the method.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: May 22, 2018
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Anders Söderholm, Viktor Lassila
  • Publication number: 20180138784
    Abstract: The present invention relates to a system for cooling of an electric motor having a rotor and a stator. The system comprises at least one cooling medium applicator arranged to apply a cooling medium onto said stator. Said cooling medium applicator is arranged to be controlled based on a cooling need of the stator so that the cooling medium is applied onto an area of the stator wherein a cooling need exists. The present invention also relates to a method for cooling of an electric motor. The present invention also relates to a platform.
    Type: Application
    Filed: April 26, 2016
    Publication date: May 17, 2018
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Viktor LASSILA
  • Publication number: 20180115222
    Abstract: The present invention relates to a device for an electric motor having a rotor and a stator. The stator is provided with circumferentially of the stator distributed frame portions between forming spaces for a stator winding. Said frame portions are arranged to support the stator winding, wherein means are provided for retaining the stator winding in a thus formed space in place and for providing a short circuit protection function for the stator winding in said space. Said means comprises cooling member, which are in thermally conductive contact with a back portion of said stator for purpose of cooling. The invention also relates to a platform.
    Type: Application
    Filed: April 7, 2016
    Publication date: April 26, 2018
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Viktor LASSILA
  • Publication number: 20180099707
    Abstract: The invention relates to a drive unit for a tracked vehicle such as a tracked forwarder. The drive unit comprises a track support beam, at least one drive wheel, a set of support wheels and an endless track, said at least one drive wheel being arranged to drive said endless track running over said at least one drive wheel and said set of support wheels. The drive wheel and the support wheels are rotatably attached in said track support beam. The drive unit further comprises an electric motor attached to said at least one drive wheel and integrated in said track support beam, and a track support beam integrated lubrication system comprising a pump unit arranged for pressurized supply of lubricant to parts of the drive unit in need of lubrication.
    Type: Application
    Filed: December 11, 2017
    Publication date: April 12, 2018
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn HELLHOLM, Jens WÅGBERG, Niclas JONSSON
  • Patent number: 9916808
    Abstract: The invention relates to a distributed display device for a vehicle comprising a set of subsystems, wherein said display device comprises at least one operator station, comprising at least one display unit arranged to receive and present information from at least one subsystem of a set of subsystems of the vehicle, wherein said at least one display unit comprises at least one dedicated safety critical input and at least one shared non safety critical input so as to be able to receive and present information from said at least one predetermined subsystem via at least one dedicated safety critical link and at least one shared non safety critical link.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: March 13, 2018
    Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Ronny Backström, Patrik Hägglund
  • Publication number: 20180069455
    Abstract: A device for liquid cooling an electric motor having a rotor and a stator includes at least one cooling liquid applicator arranged to apply cooling liquid from the side of the stator onto an end portion of the stator. The cooling liquid applicator is moveably arranged relative to the stator so that the cooling liquid by means of the movement of the cooling liquid applicator is applied onto different areas of the end portion. In this way a continuous stream of cooling liquid can be applied onto the end portion of the stator leading to a reduced risk for erosion of located coil ends.
    Type: Application
    Filed: March 24, 2016
    Publication date: March 8, 2018
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Daniel ENGBLOM
  • Publication number: 20180048215
    Abstract: A device for liquid cooling an electric motor having a rotor and a stator includes at least one cooling liquid applicator arranged to apply cooling liquid onto the stator. The cooling liquid applicator is moveably arranged relative to the stator so that the cooling liquid by means of movement of the cooling liquid applicator is applied onto different areas of the stator. A method for liquid cooling an electric motor and a platform that includes the device are also described.
    Type: Application
    Filed: March 24, 2016
    Publication date: February 15, 2018
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Viktor LASSILA
  • Patent number: 9891024
    Abstract: The invention relates to a device for thermal adaptation, comprising at least one surface element arranged to assume a determined thermal distribution, said surface element comprising a first heat conducting layer, a second heat conducting layer, said first and second heat conducting layers being mutually thermally isolated by means of an intermediate insulation layer, wherein at least one thermoelectric element is arranged to generate a predetermined temperature gradient to a portion of said first layer. The invention also relates to an object such as a craft.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: February 13, 2018
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Peder Sjölund, Jussi Myllyluoma
  • Patent number: 9878748
    Abstract: A drive unit for a tracked vehicle includes a track support beam, at least one drive wheel, a set of support wheels and an endless track, the drive wheel being arranged to drive the endless track running over the drive wheel and the set of support wheels. The drive wheel and the support wheels are rotatably attached in the track support beam. The drive unit further includes and electric motor attached to the drive wheel and integrated in the track support beam, and a support beam integrated lubrication system having a pump unit arranged for pressurized supply of lubricant to parts of the drive unit in need of lubrication.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: January 30, 2018
    Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Björn Hellholm, Jens Wågberg, Niclas Jonsson
  • Patent number: 9828046
    Abstract: The invention relates to an articulated vehicle comprising a front and a rear vehicle unit, and at least one further vehicle unit connected to said rear vehicle unit, comprising a front vertical steering link arranged substantially centrally of the front vehicle unit, where said front vertical steering link is configured for pivotal attachment to a fixed load-carrying frame connecting said front and rear vehicle units, where said at least one further vehicle unit is configured for attachment to a further fixed load-carrying frame, where said further fixed load-carrying frame is releasably connectable to said fixed load-carrying frame for said connection, such that a train of vehicle units is formed connected to a load-carrying frame unit comprising said fixed load-carrying frame and said further fixed load-carrying frame.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: November 28, 2017
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventor: Björn Hellholm
  • Publication number: 20170313367
    Abstract: In one aspect of the present invention is provided an attachment device (100) for attachment of a trailing arm (54a) to a track support beam (22) intended to be connected, via said trailing arm (54a), to a center beam (30, 32) or other structural element situated between two track assemblies (21) of a tracked vehicle (10). The attachment device (100) is secured to the track support beam (22) and configured to attach the trailing arm (54a) to the track support beam (22) via an axis (X2) running above and substantially centrally along an upper side of the track support beam (22), in the longitudinal direction of the track support beam. In this way, a robust, structurally strong, suspension-admitting attachment device that is easy to manufacture and assemble is achieved.
    Type: Application
    Filed: November 2, 2015
    Publication date: November 2, 2017
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn HELLHOLM, Alexandra RIETZ, Julius PALMQVIST