Patents Assigned to BAE SYSTEMS HAEGGLUNDS AKTIEBOLAG
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Publication number: 20240191961Abstract: The present invention relates to arrangement for releasably securing a weapon. Said arrangement comprises a fixed support member and a locking member spring loadedly and movably connected to the fixed support member such that when the weapon is pressed towards the locking member, the locking member is moved relative to the support member from a closed position to an open position so that said weapon is allowed to be introduced through an opening of the locking member into a holding position of the locking member, and such that, when the weapon is positioned in said holding position, the spring loaded locking member 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 against a spring force into said open position for allowing said weapon to be released. The present invention also relates a vehicle.Type: ApplicationFiled: June 20, 2023Publication date: June 13, 2024Applicant: BAE Systems Hägglunds AktiebolagInventors: Lars HOLMBERG, Bengt WIKMAN
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Publication number: 20240190523Abstract: Disclosed is a method and device for determining potential damage of an endless track of a tracked vehicle. Said vehicle comprises at least one track assembly comprising a drive wheel member, a tension wheel member, a set of road wheels and said endless track disposed around said wheels. Said endless track is rotated by means of said drive wheel member during drive. The method comprises the steps of: receiving, from at least one sensor, measurement information associated with vibrations of said endless track; based on the information received from said at least one sensor, determining if there is a natural frequency of said endless track and if so determining the natural frequency of said endless track; and, based on the determination associated with natural frequency, determining whether there is a potential damage to the endless track.Type: ApplicationFiled: April 20, 2022Publication date: June 13, 2024Applicant: BAE Systems Hägglunds AktiebolagInventor: Andreas ROWA
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Publication number: 20240183640Abstract: The present invention relates to a mine safety arrangement and a method for facilitating mine safe operation of a vehicle. Said vehicle comprises a vehicle body and a vehicle body connected ground engaging arrangement for moving the vehicle. Said vehicle body comprises a bottom portion and an inner space having a floor portion associated with said bottom portion. Said inner space comprises a mine safe level at a predetermined distance from said floor portion. Persons housed in said inner space having all body portions at or above said mine safe level are expected to be safe should the vehicle be subjected to a mine. Said mine safety arrangement comprises a sensor arrangement configured to provide signals at said mine safe level so that body portions crossing said mine safe level are detected by means of said signals for alerting persons that body portions crossed said mine safe level.Type: ApplicationFiled: May 10, 2022Publication date: June 6, 2024Applicant: BAE Systems Hägglunds AktiebolagInventor: Daniel ENGBLOM
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Publication number: 20240166276Abstract: The invention relates to a track assembly for a tracked vehicle. Said track assembly comprises a track support beam configured to support road wheels, a drive wheel member, and a drive arrangement for drive wheel member operation and an endless track disposed around said road wheels and drive wheel member. Said drive arrangement comprises a brake arrangement for braking the drive wheel member, and a drive axle coaxially arranged relative to a centre axis of said drive wheel member for rotating said drive wheel member. Said brake arrangement is configured to be journaled in bearings in connection to a portion of the drive axle. Said brake arrangement comprises a torque arm configured to be connected to said track support beam so as to essentially prevent rotation of a brake housing of said brake arrangement about said centre axis.Type: ApplicationFiled: March 24, 2022Publication date: May 23, 2024Applicant: BAE Systems Hägglunds AktiebolagInventors: Max THORÉN, Björn HELLHOLM, Filip BYBERG
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Publication number: 20240166275Abstract: Disclosed is a brake arrangement for a tracked vehicle comprising a brake housing. Said brake arrangement is journaled in bearings in connection to a drive unit driven drive axle configured to rotate a drive wheel member. Said brake arrangement comprises a set of ring shaped friction elements arranged about said drive axle and configured to be pressed together in the axial direction for providing a braking function. Said brake arrangement further comprises a ring shaped parking brake piston device coaxially arranged around said drive axle in connection to a radially outer portion of said set of friction elements. Said parking brake piston device is configured to provide pressure in the axial direction against said radially outer portion of said set of friction elements based on a parking brake action so as to press said elements together for preventing rotation of said drive axle, preventing movement of drive wheel member.Type: ApplicationFiled: March 24, 2022Publication date: May 23, 2024Applicant: BAE Systems Hägglunds AktiebolagInventors: Max THORÉN, Björn HELLHOLM, Filip BYBERG
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Publication number: 20240166277Abstract: The invention relates to a track assembly for a tracked vehicle. Said track assembly comprises a track support beam configured to support road wheels, a drive wheel member, and a drive arrangement for drive wheel member operation and an endless track disposed around said road wheels and drive wheel member. Said drive arrangement comprises a drive unit for driving said drive wheel member, wherein said drive arrangement comprises a drive axle being configured to be coaxially arranged relative to a centre axis of said drive wheel member for rotating said drive wheel member. Said drive unit is configured to be journaled in bearings to a portion of the drive axle. Said drive unit comprises a torque arm configured to be connected to said track support beam so as to essentially prevent rotation of said drive unit about said centre axis.Type: ApplicationFiled: March 24, 2022Publication date: May 23, 2024Applicant: BAE Systems Hägglunds AktiebolagInventors: Max THORÉN, Björn HELLHOLM, Viktor RISBERG, Alex ODDSGÅRD, Axel MAGNUSSON, Mattias KARLSSON
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Publication number: 20240166184Abstract: Disclosed is a brake arrangement for a tracked vehicle. The brake arrangement comprises a brake housing. Said brake arrangement is journaled in bearings in connection to a drive unit driven drive axle configured to rotate a drive wheel member. Said brake arrangement comprises a set of ring shaped friction elements arranged about said drive axle and configured to be pressed together in the axial direction for providing a braking function. Said set of friction elements comprises a first end friction element being the outermost friction element against which pressure is configured to be provided for said braking function. Said first end friction element has a thickness in the axial direction which is thicker than the remaining set of friction elements so as to facilitate distributing an even pressure on said set of friction elements when said set of friction elements are pressed together for efficient friction braking function.Type: ApplicationFiled: March 24, 2022Publication date: May 23, 2024Applicant: BAE Systems Hägglunds AktiebolagInventors: Max THORÉN, Björn HELLHOLM, Filip BYBERG
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Publication number: 20240151487Abstract: 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: ApplicationFiled: February 25, 2022Publication date: May 9, 2024Applicant: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAGInventors: Claes ERIKSSON, Johnny GRENWALD
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Publication number: 20240102756Abstract: 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: ApplicationFiled: October 13, 2020Publication date: March 28, 2024Applicant: Bae Systems Hägglunds AktiebolagInventor: Claes ERIKSSON
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Patent number: 11834114Abstract: 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: GrantFiled: July 2, 2019Date of Patent: December 5, 2023Assignee: BAE Systems Hägglunds AktiebolagInventor: Jonny Ljung
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Publication number: 20230365205Abstract: 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: ApplicationFiled: October 7, 2021Publication date: November 16, 2023Applicant: BAE Systems Hägglunds AktiebolagInventor: Andreas ROWA
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Patent number: 11814119Abstract: 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: GrantFiled: June 4, 2020Date of Patent: November 14, 2023Assignee: BAE Systems Hägglunds AktiebolagInventors: Björn Westberg, Anders Bergkvist
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Patent number: 11719502Abstract: 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: GrantFiled: February 12, 2020Date of Patent: August 8, 2023Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAGInventors: Lars Holmberg, Bengt Wikman
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Publication number: 20230112609Abstract: 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: ApplicationFiled: January 28, 2021Publication date: April 13, 2023Applicant: BAE Systems Hägglunds AktiebolagInventor: Rikard SUNDQUIST
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Publication number: 20230107884Abstract: 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: ApplicationFiled: February 17, 2021Publication date: April 6, 2023Applicant: BAE Systems Hägglunds AktiebolagInventor: Rikard SUNDQUIST
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Publication number: 20230049613Abstract: 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: ApplicationFiled: February 1, 2021Publication date: February 16, 2023Applicant: Bae Systems Hägglunds AktiebolagInventors: Johan PERSSON, Karin FOSSUM SJÖDIN, Jerker WAGBERG
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Patent number: 11575287Abstract: 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: GrantFiled: March 19, 2019Date of Patent: February 7, 2023Assignee: BAE Systems Hägglunds AktiebolagInventor: Viktor Lassila
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Publication number: 20230035352Abstract: 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: ApplicationFiled: December 11, 2020Publication date: February 2, 2023Applicant: Bae Systems Hägglunds AktiebolagInventors: Björn NORDBERG, Göran WESTMAN, Björn HELLHOLM
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Publication number: 20230018452Abstract: 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: ApplicationFiled: December 11, 2020Publication date: January 19, 2023Applicant: Bae Systems Hägglunds AktiebolagInventors: Björn NORDBERG, Göran WESTMAN, Björn HELLHOLM
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Publication number: 20220250695Abstract: 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: ApplicationFiled: June 4, 2020Publication date: August 11, 2022Applicant: BAE Systems Hägglunds AktiebolagInventor: Gustav SÖDERSTRÖM