Patents Assigned to BAE Systems Hägglunds Aktiebolag
  • Publication number: 20240151487
    Abstract: The present invention relates to an arrangement for an elevation device of a vehicle mounted weapon system. The weapon system comprise a weapon and a feeding chute. Said elevation device is arranged to allow elevation movement of the weapon about an elevation axis. Said elevation is performed in connection to sides of said elevation device about said elevation axis. Said feeding chute is configured to be arranged in connection to one side. Said arrangement comprises an arc-shaped sector bearing device of a bearing configuration for facilitating said elevation. Said bearing device is arranged in connection to a front portion at said one side at a radial distance from said elevation axis so as to provide space for said feeding chute on said one side in connection to said elevation axis. The invention also relates to a vehicle with an arrangement according to the present invention.
    Type: Application
    Filed: February 25, 2022
    Publication date: May 9, 2024
    Applicant: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Claes ERIKSSON, Johnny GRENWALD
  • Publication number: 20240102756
    Abstract: The present invention relates to an arrangement for feeding ammunition to a weapon (20). The weapon (20) is mounted to an elevation device (30) arranged to allow elevation movement of the weapon (20) about an elevation axis (Z1). The arrangement comprises a feeding chute (40; 140) connected at one end to the weapon (20). The feeding chute (40) comprises a set of elements (42; 142) assembled together in a stacked configuration. The set of elements (42; 142) is arranged about a shaft (44; 144) configured to be concentrically arranged relative to the elevation axis (Z1) so as to allow movement of individual elements of the set of elements (42; 142)) about said shaft (44; 144) in connection to elevation movement of the weapon (20) about the elevation axis (Z1). The invention also relates to a vehicle with an arrangement according to the present invention.
    Type: Application
    Filed: October 13, 2020
    Publication date: March 28, 2024
    Applicant: Bae Systems Hägglunds Aktiebolag
    Inventor: Claes ERIKSSON
  • Patent number: 11834114
    Abstract: The invention relates to a deflector arrangement (100) for a tracked vehicle (V). Said tracked vehicle (V) comprises at least one track assembly (T1, T2) comprising two end wheels (1, 2) in the form of a front wheel (1) and a rear wheel (2), and further a plurality of road wheels (3) there between. At least one of the front wheel (1) and rear wheel (2) is a drive wheel (1) and at least one of the front wheel (1) and rear wheel (2) is a tension wheel (2). The track assembly (T1, T2) further comprises an endless track (4) disposed around said end wheels (1, 2) and plurality of road wheels (3). Said deflector arrangement (100) is configured to reduce ingestion of undesired material from the ground (G) into said track assembly (T1, T2) and remove such undesired material from said track assembly (T1, T2). Said deflector arrangement (100) is associated with an end wheel (1, 2) and is resiliently suspended and biasedly arranged so as to strive towards the inner surface (4a) of the endless track (4).
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: December 5, 2023
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventor: Jonny Ljung
  • Publication number: 20230365205
    Abstract: The present invention relates to a fastening arrangement of a drive wheel member for an endless track of a tracked vehicle. Said drive wheel member comprises a hub member and a drive sprocket member, said drive sprocket member comprising a set of tooth members arranged around the circumference of said drive sprocket member. Said drive sprocket member further comprises a ring-shaped support member for tooth members of said drive sprocket member. Said fastening arrangement is configured for fastening a tooth member of the set of tooth members to the support member so that said tooth member is in an operation position for engaging with said endless track, said fastening arrangement comprising an attachment device configured to detachably attach said tooth member to said support member such that said tooth member is detached from the operation position if said tooth member is subjected to a radial force exceeding a certain threshold.
    Type: Application
    Filed: October 7, 2021
    Publication date: November 16, 2023
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Andreas ROWA
  • Patent number: 11814119
    Abstract: The present invention relates to a fastening arrangement of a drive wheel (DW) for an endless track (E) of a tracked vehicle (V) the drive wheel (DW) comprising a hub member (H) and a drive sprocket member (S1, S2). Said drive sprocket member comprises a set of teeth (10) arranged around the circumference of said drive sprocket member (S1, S2), said teeth (10) being configured to engage with said endless track (E). Said drive sprocket member (S1, S2) further comprises a support member (20) for teeth (10) of said drive sprocket member. Said teeth (10) are configured to be removably attached to said support member (20). Said fastening arrangement is configured for fastening one or more teeth (10) of the set of teeth (10) to the support member (20). Said fastening arrangement comprises a set of dovetail shaped recesses (22) of said support member (20).
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: November 14, 2023
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn Westberg, Anders Bergkvist
  • Patent number: 11719502
    Abstract: The present invention relates to an arrangement (A) for releasably securing a weapon (W). Said arrangement (A) comprises a fixed support member (10) and a locking member (20) spring loadedly and movably connected to the fixed support member (10) such that when the weapon (W) is pressed towards the locking member (20), the locking member (20) is moved relative to the support member (10) from a closed position to an open position so that said weapon (W) is allowed to be introduced through an opening (02) of the locking member (20) into a holding position of the locking member (20), and such that, when the weapon (W) is positioned in said holding position, the spring loaded locking member (20) is returned to said closed position by means of a spring force. Said arrangement may further comprise an actuator arranged for moving the locking member (20) against a spring force into said open position for allowing said weapon (W) to be released.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: August 8, 2023
    Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Lars Holmberg, Bengt Wikman
  • Publication number: 20230112609
    Abstract: The present invention relates to a military vehicle (V). Said military vehicle comprises an aiming device (D) and an aiming operation arrangement (A) for a vehicle operator (O) to operate the aiming device (D). Said aiming operation arrangement (A) comprises a support device (40) for providing support for the operator (O) when operating the aiming device (D). The support device (40) comprises one or more fixation devices (44A, 44B, 44C, 44D) operable between a non-fixated state and fixated state, said one or more fixation devices (44A, 44B, 44C, 44D) being configured to, in the fixated state, provide fixation of one or more body parts of the vehicle operator (O) so as to reduce influence of vehicle movement during aiming operation.
    Type: Application
    Filed: January 28, 2021
    Publication date: April 13, 2023
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Rikard SUNDQUIST
  • Publication number: 20230107884
    Abstract: The present invention relates to a suspension system (S; S1; S2) fora tracked vehicle (V; V1; V2). Said tracked vehicle comprises a vehicle body (4), a pair of opposite track assemblies (T1, T2), the respective track assembly comprising a plurality of road wheels (2) and an endless track (3) disposed around said wheels. Said suspension system comprises a road wheel arm (20) having a wheel axle portion (22) configured to support a road wheel of the vehicle and a pivot axle portion (24), the road wheel arm (20) being pivotably journalled at said pivot axle portion (24) to a support portion (30) configured to be fixed to the vehicle body (4). The suspension system comprises a torsion bar (40) having a first end portion (42) and an opposite second end portion (44), the first end portion (42) being connected to the support portion (30).
    Type: Application
    Filed: February 17, 2021
    Publication date: April 6, 2023
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Rikard SUNDQUIST
  • Publication number: 20230049613
    Abstract: The present invention relates to a method for embedded combat vehicle gun target tracking training performed at an electronic device, an electronic device for performing the method and a computer readable storage medium storing one or more programs for performing the method. The method comprises determining a trajectory of a virtual target for a period of time; determining an aim point location of the weapon system; displaying, on a display device, a first and second graphical object overlaid onto an image sequence, wherein the first graphical object represents an aim point location of the weapon system and wherein the second graphical object represents a virtual target which moves along the determined trajectory. User inputs are received representative of control signals for causing weapon system movements and the second graphical object is updated based on the weapon system movements.
    Type: Application
    Filed: February 1, 2021
    Publication date: February 16, 2023
    Applicant: Bae Systems Hägglunds Aktiebolag
    Inventors: Johan PERSSON, Karin FOSSUM SJÖDIN, Jerker WAGBERG
  • Patent number: 11575287
    Abstract: The present invention relates to an arrangement (O1, S1) of an outer rotor electric machine for reducing eddy current losses of the outer rotor electric machine (I). The outer rotor electric machine comprises a rotatably arranged rotor (10) and a stator (20). Said rotor comprises an outer rotor portion (12) surrounding said stator (20) or part of said stator and a wheel like end wall portion (14). One end (22a) of said stator (20) is arranged to face said end wall portion (14). The arrangement comprises a plurality of openings (O1) distributed on said end wall portion (14) so as to reduce appearance of eddy currents associated with said end wall portion (14) during operation of said electric machine (I). The present invention also relates to an outer rotor electric machine. The present invention also pertains to a platform.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: February 7, 2023
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventor: Viktor Lassila
  • Publication number: 20230035352
    Abstract: The present invention relates to a method (M1) performed by a control device (100) for controlling driving operation of an articulated tracked vehicle (V). Said articulated tracked vehicle (V) comprises a drive arrangement (120) for operating the vehicle. The articulated tracked vehicle (V) comprises a first vehicle unit (V1) and a second vehicle unit (V2) steerably connected to the first vehicle unit (V1) by means of a steering device (D) for mutually pivoting said vehicle units (V1, V2). The mutual pivoting comprises steering movement about a steering axis (Y). The steering device (D) comprises a steering arrangement (A1) for said steering movement. The method comprises the step of controlling (S1) the steering arrangement (A1) of the steering device (D) so as to control mutual steering movement of said vehicle units (V1, V2) for dynamic stability control. The present invention also relates to a control device for controlling driving operation of an articulated tracked vehicle.
    Type: Application
    Filed: December 11, 2020
    Publication date: February 2, 2023
    Applicant: Bae Systems Hägglunds Aktiebolag
    Inventors: Björn NORDBERG, Göran WESTMAN, Björn HELLHOLM
  • Publication number: 20230018452
    Abstract: The present invention relates to a method (M1) performed by a control device (100) for controlling driving operation of an articulated tracked vehicle (V). Said articulated tracked vehicle (V) comprises a drive arrangement (120) for operating the vehicle. The articulated tracked vehicle (V) comprises a first vehicle unit (V1) and a second vehicle unit (V2) steerably connected to the first vehicle unit (V1) by means of a steering device (D) for mutually pivoting said vehicle units (V1, V2). The mutual pivoting comprises roll movement about a roll axis (X). The steering device (D) comprises a roll arrangement (A2) for said roll movement. The method comprises the step of controlling (S1) the roll arrangement (A2) of the steering device (D) so as to control mutual roll movement of said vehicle units (V1, V2). The present invention also relates to a control device for controlling driving operation of an articulated tracked vehicle.
    Type: Application
    Filed: December 11, 2020
    Publication date: January 19, 2023
    Applicant: Bae Systems Hägglunds Aktiebolag
    Inventors: Björn NORDBERG, Göran WESTMAN, Björn HELLHOLM
  • Publication number: 20220250695
    Abstract: The present invention relates to an arrangement (A) of a drive wheel (DW) for an endless track (E) of a tracked vehicle (V). The drive wheel (DW) comprises a hub member (H) and a drive sprocket member (S1, S2) attached to the hub member (H). Said drive sprocket member (S1, S2) comprises a ring shaped drive sprocket (10) having a set of teeth (12) arranged around the circumference of said drive sprocket (10). Said drive sprocket (10) is configured to engage with said endless track (E). Said drive sprocket member (S1, S2) further comprises a support member (20) for said drive sprocket (10). Said drive sprocket (10) is divided into at least two arc shaped drive sprocket parts (10A, 10B). Each drive sprocket part (10A, 10B), in a non engaged state of a drive sprocket part with respect to said endless track, is configured to be exchangeable.
    Type: Application
    Filed: June 4, 2020
    Publication date: August 11, 2022
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Gustav SÖDERSTRÖM
  • Publication number: 20220252370
    Abstract: The present invention relates to an arrangement (A) for balancing a gun barrel (20) of a vehicle mounted weapon system (C). The weapon system comprises the gun barrel (20) mounted to a turret (10) via a weapon cradle (30). The weapon cradle (30) is arranged to allow elevation movement of the gun barrel (20) about an elevation axis (Z1). Said arrangement (A) comprises a suspension system (S) configured to provide a torque opposing imbalance of the gun barrel (20). The arrangement further comprises an adjustment device (50; 150) for automatically adjusting the torque provided by the suspension system (S) based on imbalance of the gun barrel (20) so as to dynamically counteract imbalance of the gun barrel (20). The invention also relates to a vehicle with an arrangement according to the present invention.
    Type: Application
    Filed: June 25, 2020
    Publication date: August 11, 2022
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Rikard SUNDQUIST
  • Publication number: 20220219771
    Abstract: The present invention relates to a fastening arrangement of a drive wheel (DW) for an endless track (E) of a tracked vehicle (V) the drive wheel (DW) comprising a hub member (H) and a drive sprocket member (S1, S2). Said drive sprocket member comprises a set of teeth (10) arranged around the circumference of said drive sprocket member (S1, S2), said teeth (10) being configured to engage with said endless track (E). Said drive sprocket member (S1, S2) further comprises a support member (20) for teeth (10) of said drive sprocket member. Said teeth (10) are configured to be removably attached to said support member (20). Said fastening arrangement is configured for fastening one or more teeth (10) of the set of teeth (10) to the support member (20). Said fastening arrangement comprises a set of dovetail shaped recesses (22) of said support member (20).
    Type: Application
    Filed: June 4, 2020
    Publication date: July 14, 2022
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn WESTBERG, Anders BERGKVIST
  • Patent number: 11377161
    Abstract: The invention relates to a tracked vehicle comprising a vehicle body and a track assembly pair. Said track assembly pair is arranged to suspendedly support said vehicle body allowing relative movement between said vehicle body and each track assembly (21) of said track assembly pair. Each track assembly (21) comprises a track support beam (22) configured to support a plurality of road wheels (23, 23a), a drive wheel (24), and a motor (110) for operating said drive wheel (24), an endless track (25) being disposed around said road wheels (23, 23a) and drive wheel (24). Said motor (110) is fixedly arranged to said track support beam (22). Said motor (110) is arranged in connection to the drive wheel (24) such that a motor axle essentially coaxially coincides with a centre axis (Z) of the drive wheel (24).
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: July 5, 2022
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Björn Hellholm, Jens Wågberg, Daniel Engblom
  • Publication number: 20220155035
    Abstract: The present invention relates to an arrangement (A) for releasably securing a weapon (W). Said arrangement (A) comprises a fixed support member (10) and a locking member (20) spring loadedly and movably connected to the fixed support member (10) such that when the weapon (W) is pressed towards the locking member (20), the locking member (20) is moved relative to the support member (10) from a closed position to an open position so that said weapon (W) is allowed to be introduced through an opening (02) of the locking member (20) into a holding position of the locking member (20), and such that, when the weapon (W) is positioned in said holding position, the spring loaded locking member (20) is returned to said closed position by means of a spring force. Said arrangement may further comprise an actuator arranged for moving the locking member (20) against a spring force into said open position for allowing said weapon (W) to be released.
    Type: Application
    Filed: February 12, 2020
    Publication date: May 19, 2022
    Applicant: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Lars HOLMBERG, Bengt WIKMAN
  • Patent number: 11319004
    Abstract: The invention relates to a tracked vehicle (V1, V2) comprising a vehicle body (20; 120), at least one track assembly (10) and a suspension device (S). Said track assembly (10) is arranged to be supported by said vehicle body (20; 120) by means of said suspension device (S). Said track assembly comprises a track support beam (12) for supporting a plurality of road wheels (16), an endless track (14) being disposed around said road wheels. Said suspension device (S) comprises a leaf spring arrangement (30; 130, 142, 144) having portions transversally arranged relative to the longitudinal extension of the vehicle.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: May 3, 2022
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventors: Anders Sandin, Jonny Ljung, Ulf Wiberg
  • Publication number: 20210269107
    Abstract: The invention relates to a deflector arrangement (100) for a tracked vehicle (V). Said tracked vehicle (V) comprises at least one track assembly (T1, T2) comprising two end wheels (1, 2) in the form of a front wheel (1) and a rear wheel (2), and further a plurality of road wheels (3) there between. At least one of the front wheel (1) and rear wheel (2) is a drive wheel (1) and at least one of the front wheel (1) and rear wheel (2) is a tension wheel (2). The track assembly (T1, T2) further comprises an endless track (4) disposed around said end wheels (1, 2) and plurality of road wheels (3). Said deflector arrangement (100) is configured to reduce ingestion of undesired material from the ground (G) into said track assembly (T1, T2) and remove such undesired material from said track assembly (T1, T2). Said deflector arrangement (100) is associated with an end wheel (1, 2) and is resiliently suspended and biasedly arranged so as to strive towards the inner surface (4a) of the endless track (4).
    Type: Application
    Filed: July 2, 2019
    Publication date: September 2, 2021
    Applicant: BAE Systems Hägglunds Aktiebolag
    Inventor: Jonny LJUNG
  • Patent number: 11034399
    Abstract: The present invention relates to a suspension arrangement for a tracked vehicle. The suspension arrangement includes a road wheel arm having a wheel axle portion for supporting a wheel of the vehicle and a pivot axle portion. The road wheel arm is pivotably journalled at the pivot axle portion to a housing that is fixable to the vehicle body. A torsion bar is connected to the pivot axle portion and a torsion tube is arranged to be connected to the vehicle body, with the torsion bar running through the torsion tube and arranged to be connected to the torsion tube. The modulus of elasticity of the torsion tube material is lower than the modulus of elasticity of the torsion bar material such that the maximum suspension travel is increased.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: June 15, 2021
    Assignee: BAE Systems Hägglunds Aktiebolag
    Inventor: Anders Bodin