Patents Assigned to BAE Systems Hagglunds Aktiebolag
  • 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
  • Publication number: 20170310936
    Abstract: The invention relates to a system (1) for situation awareness in a combat vehicle (2), comprising a plurality of image-capturing sensors (3A-3E) configured to record image sequences showing different partial views (VA-VE) of the surroundings of the combat vehicle, and a plurality of client devices (C1-C3) wherein each is configured to show a view (VP) of the surroundings of the combat vehicle, desired by a user of the client device, on a display (D1-D3). The image-capturing sensors are configured to be connected to a network (4) and to send said image sequences over said network by means of a technique in which each image sequence sent by an image-capturing sensor can be received by a plurality of receivers, such as multicast. The client devices are also configured to be connected to said network and to receive, via said network, at least one image sequence recorded by at least one image-capturing sensor (3A-3E).
    Type: Application
    Filed: November 9, 2015
    Publication date: October 26, 2017
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Daniel NORDIN
  • Patent number: 9796420
    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 center beam of said front vehicle unit, and an inner bearing ring rotatably arranged relative to said outer bearing ring via a bearing about the axis of the steering link.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: October 24, 2017
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn Hellholm, Joel Lindström
  • Patent number: 9755475
    Abstract: The present invention relates to an electric drive device for driving of a motor vehicle comprising an electric motor arranged to be media supplied, the electric motor having a jacket surface and an essentially ring shaped cross section, wherein said media supply is arranged to be effected via a connection unit arranged in connection to the jacket surface of the electric motor. The invention also relates to a motor vehicle with an electric drive device.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: September 5, 2017
    Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Pontus Karlsson, Oskar Prinsback
  • Patent number: 9677644
    Abstract: The present invention relates to an electric drive device comprising an electric motor (20) with a stator and a rotor arranged to rotate a drive shaft, wherein said electric motor (20) is arranged to be accommodated in a housing, further comprising opposite gear housings surrounding the electric motor, each containing a transmission configuration, wherein the electric drive device comprises a housing configuration in which the electric motor (20) as well said opposite gear housings (30a, 30b) are accommodated, wherein each gear housing (30a, 30b; 130a, 130b) is attached and hereby locked to said housing configuration. The invention also relates to a motor vehicle.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: June 13, 2017
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Pontus Karlsson, Oskar Prinsback
  • Patent number: 9658078
    Abstract: The invention pertains to a system, a method, a computer program and a combat vehicle with an integrated system, for processing of tactical information. The system comprises at least one sensor for registration of at least one image sequence display at least a portion of the surroundings of the combat vehicle. The system further comprises a navigation module arranged to register a current position of the vehicle. The system further comprises a tactical data module for storage of tactical information and an information processing unit arranged to process said image sequence to superimpose the tactical information onto said image sequence.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: May 23, 2017
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Ronny Backström, Mikael Segerman
  • Patent number: 9630660
    Abstract: The present invention relates to a device for a vehicle cab of a vehicle, said vehicle cab comprising a cab module configured for attachment to a chassis beam via a support device arranged to support said cab module, said support device comprising rotation means for rotation of said vehicle cab, wherein said support device comprises elevation means for raising/lowering of said cab module. The present invention also relates to a vehicle with a device for a vehicle cab.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: April 25, 2017
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventor: Björn Hellholm
  • Patent number: 9630664
    Abstract: The invention relates to load-carrying frame for carrying load of an articulated tracked vehicle comprising a front and a rear vehicle unit connected to each other through said load-carrying frame, wherein said front vehicle unit comprises a rolling link. The load-carrying frame is configured for rotatable attachment to the front vehicle unit via said rolling link for enabling rotation of the front vehicle unit relative to the load-carrying frame about an axis of said rolling link running in the axial main direction of extension of said load-carrying frame.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: April 25, 2017
    Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Björn Hellholm, Björn Nordberg
  • Patent number: 9616949
    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: April 28, 2014
    Date of Patent: April 11, 2017
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn Hellholm, Björn Nordberg
  • Publication number: 20170088172
    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: Application
    Filed: December 9, 2016
    Publication date: March 30, 2017
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn HELLHOLM, Joel LINDSTRÖM
  • Patent number: 9592747
    Abstract: The disclosure relates to a method for controlling the powertrain of a vehicle, which powertrain comprises a first electric drive device for driving of a first drive shaft and a second electric drive device for driving of a second drive shaft of the vehicle, comprising the step of via power electronics providing electricity supply of a first electric motor of the first electric drive device and a second electric motor of the second electric drive device, comprising the step of providing said electricity supply from a common power electronics which supplies said first and second electric motors with electricity, which motors hereby are connected in parallel. The disclosure also relates to a system for controlling the powertrain of a vehicle. The present invention also relates to a motor vehicle. The present invention also relates to a computer program and a computer program product.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: March 14, 2017
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventor: Viktor Lassila
  • Publication number: 20170001672
    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: Application
    Filed: November 18, 2014
    Publication date: January 5, 2017
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Anders BODIN
  • Patent number: 9518477
    Abstract: A device for cooling of electric motor, which has a stator with a jacket surface/stator back, wherein a housing is arranged to surround the stator, includes at least one cooling channel in which a liquid cooling medium streams for cooling of the electric motor, wherein the housing is arranged to run separated from the stator along a main part of the thermoset cased jacket surface of the stator for forming of said cooling channel between the housing and said jacket surface, wherein the stator winding of the stator is arranged to run along and axially project from and turn outside of said jacket surface, wherein the stator including the projecting stator winding is embedded with said thermoset, wherein said cooling channel also is formed between the housing and the thus projecting stator winding.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: December 13, 2016
    Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Pontus Karlsson, Viktor Lassila
  • Publication number: 20160254730
    Abstract: A method and device for liquid cooling of an electric motor and a transmission configuration. The electric motor includes a rotor with a rotor shaft and a stator provided with windings, and the transmission configuration includes a transmission shaft. The rotor and transmission configuration are journally supported by a support configuration. Supplying a liquid for cooling via the support configuration is performed in such a way that the electric motor as well as the transmission configuration are cooled.
    Type: Application
    Filed: September 18, 2014
    Publication date: September 1, 2016
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventors: Viktor LASSILA, Oskar PRINSBACK
  • Patent number: 9409611
    Abstract: An articulated tracked vehicle comprising a first vehicle unit and a second vehicle unit controllably connected by means of a control member, wherein each vehicle unit comprises two tracks driven by drive wheels, wherein the first vehicle unit comprises a mechanical propulsion unit with a combustion engine for driving the drive wheels of the first vehicle unit and the second vehicle unit consists of one electric propulsion unit for driving the drive wheels of the second vehicle unit, wherein the combustion engine is arranged to drive a generator for electric power generation, wherein the generator is arranged to transfer electric power via power electronics to the electric propulsion unit of the second vehicle unit, wherein power transfer between said vehicle units is arranged to be effected only electrically.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: August 9, 2016
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Bjorn Hellholm, Gustav Soderstrom
  • Publication number: 20160209507
    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: Application
    Filed: June 12, 2014
    Publication date: July 21, 2016
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Ronny BACKSTRÖM
  • Patent number: 9360279
    Abstract: The invention pertains to a device for signature adaptation, comprising at least one surface element (100; 300; 500) arranged to assume a determined thermal distribution, wherein said surface element comprises at least one temperature generating element (150; 450a, 450b, 450c) arranged to generate at least one predetermined temperature gradient to a portion of said at least one surface element. Said at least one surface element (100; 300; 500) comprises at least one radar suppressing element (190), wherein said at least one radar suppressing element (190) is arranged to suppress reflections of incident radio waves. The invention also concerns an object provided with a device for signature adaptation.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: June 7, 2016
    Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventor: Peder Sjölund
  • Publication number: 20160137044
    Abstract: The present invention relates to an electrical drive arrangement for driving a motor vehicle comprising an electric motor, a drive shaft driven by means of the electric motor, a housing in which the electric motor is accommodated, which housing has an envelope surface and a substantially annular cross section wherein the horizontal direction of the envelope surface of said housing and hereby said drive shaft are arranged to run substantially transverse to the longitudinal direction of said vehicle, comprising a pendulum suspension for suspension of the electrical drive arrangement, where the pendulum suspension comprises a fastening configuration fixedly connected to the vehicle and at least one pendulum attachment fixedly connected to the envelope surface of the housing and pivotally journaled relative to said fastening configuration by means of a bearing configuration. The invention also relates to a motor vehicle.
    Type: Application
    Filed: May 27, 2014
    Publication date: May 19, 2016
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Daniel ENGBLOM