Patents Assigned to BAE Systems Hagglunds Aktiebolag
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Publication number: 20250026419Abstract: The disclosure relates to a deflector arrangement for a tracked vehicle. Said tracked vehicle comprises a vehicle body and a left and right track assembly for supporting said vehicle body. The respective track assembly comprises two end wheel members, a plurality of road wheels there between, and an endless track disposed around said end wheel members. One of the end wheel members is a drive wheel member and the other is a tension wheel member. Said deflector arrangement is associated with an end wheel member. Said deflector arrangement comprises a deflector member being arranged and fixedly attached in connection to said inner side of an end wheel member so as to reduce ingestion of undesired material from the ground into said track assembly. The disclosure also relates to a tracked vehicle comprising at least one such deflector arrangement.Type: ApplicationFiled: November 11, 2022Publication date: January 23, 2025Applicant: BAE Systems Hägglunds AktiebolagInventors: Anders BODIN, Göran WESTMAN, Ulf WIBERG, Assar CHRISTENSEN, Anders VESTIN
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Patent number: 12202308Abstract: The invention relates to a swim arrangement (A) for facilitating amphibious operation of a tracked vehicle (V1). Said tracked vehicle comprises a vehicle body (10) and a two track assemblies (T1, T2) suspendedly connected to the vehicle body for driving the vehicle, each track assembly (T1, T2) comprising a drive means driven endless track (4). The vehicle body comprises under structure portions (12, 14), each under structure portion (12, 14) miming over an upper side (4a) of a track (4) of a track assembly (T1, T2). Each under structure portion (12, 14) is configured to be arranged at a distance from the upper side (4a) of the track (4) during land operation of the vehicle so that a space (S1, S2) is provided. The arrangement (A) comprises means (20, 30, 100) for reducing said space (S1, S2) so as to, during swimming operation, reduce the flow of water between the under structure portion (12, 14) and the upper side (4a) of the track (4) caused when the tracks (4) are driven.Type: GrantFiled: March 25, 2020Date of Patent: January 21, 2025Assignee: BAE Systems Hägglunds AktiebolagInventor: Tom Sundelin
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Patent number: 12202557Abstract: 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: GrantFiled: June 4, 2020Date of Patent: January 21, 2025Assignee: BAE Systems Hägglunds AktiebolagInventor: Gustav Söderström
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Publication number: 20250018756Abstract: Disclosed is an arrangement for facilitating amphibious operation of a tracked vehicle comprising one or more vehicle bodies and at least one track assembly pair per vehicle body. Said track assembly pair is connected to the vehicle body, the track assembly pair comprising two track assemblies for driving the vehicle. Each track assembly comprises a driven endless track arranged to run over a set of wheels of the track assembly and, in connection to amphibious operation, being configured to operate under the water surface by rotating in the water providing a flow of water. The arrangement comprises gas provision device configured to, in connection to swimming operation, introduce a gaseous medium into the flow of water at the upper side of the track of the respective track assembly so as to reduce the amount of water in connection to said upper side.Type: ApplicationFiled: November 11, 2022Publication date: January 16, 2025Applicant: BAE Systems Hägglunds AktiebolagInventor: Tom SUNDELIN
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Patent number: 12181239Abstract: 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: GrantFiled: June 25, 2020Date of Patent: December 31, 2024Assignee: BAE Systems Hägglunds AktiebolagInventor: Rikard Sundquist
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Patent number: 12163752Abstract: 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: GrantFiled: June 20, 2023Date of Patent: December 10, 2024Assignee: BAE Systems Hägglunds AktiebolagInventors: Lars Holmberg, Bengt Wikman
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Publication number: 20240377151Abstract: Disclosed is an arrangement for feeding ammunition to a weapon. The weapon is mounted to an elevation device arranged to allow elevation movement of the weapon about an elevation axis. The arrangement includes a feeding chute connected at one end to the weapon. The feeding chute includes a set of elements assembled together in a stacked configuration. The set of elements is arranged about a shaft configured to be concentrically arranged relative to the elevation axis so as to allow movement of individual elements of the set of elements about the shaft in connection to elevation movement of the weapon about the elevation axis. The invention also relates to a vehicle with an arrangement according to the present invention.Type: ApplicationFiled: July 17, 2024Publication date: November 14, 2024Applicant: BAE Systems Hägglunds AktiebolagInventor: Claes ERIKSSON
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Publication number: 20240288338Abstract: The disclosure relates to methods for determining damage of an endless track of a tracked vehicle that comprises at least one track assembly comprising said endless track disposed in its longitudinal extension around a set of wheels. Said track comprises a wire configuration arranged within said track configured to run in the longitudinal extension around said track. Said wire configuration comprises one or more individual wires arranged to run within said endless track so that a set of wire portions are running in said longitudinal extension. The method comprises: receiving, from at least one sensor device, via measuring connectors, measurement information associated with electrical properties of wire portions of said wire configuration; based on the information received from said at least one sensor device, determining electrical properties of said wire portions; and, based on the determined electrical properties, determining whether there is a damage to the endless track.Type: ApplicationFiled: July 5, 2022Publication date: August 29, 2024Applicant: BAE Systems Hägglunds AktiebolagInventor: Assar CHRISTENSEN
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Patent number: 12072164Abstract: Disclosed is an arrangement for feeding ammunition to a weapon. The weapon is mounted to an elevation device arranged to allow elevation movement of the weapon about an elevation axis. The arrangement includes a feeding chute connected at one end to the weapon. The feeding chute includes a set of elements assembled together in a stacked configuration. The set of elements is arranged about a shaft configured to be concentrically arranged relative to the elevation axis so as to allow movement of individual elements of the set of elements about the shaft in connection to elevation movement of the weapon about the elevation axis. The invention also relates to a vehicle with an arrangement according to the present invention.Type: GrantFiled: October 13, 2020Date of Patent: August 27, 2024Assignee: BAE Systems Hägglunds AktiebolagInventor: Claes Eriksson
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Patent number: 12065204Abstract: The invention relates to a tracked vehicle (10; 11) comprising a vehicle body (30, 32; 30), at least one track assembly (21) and a suspension device (S) for suspension of said track assembly (21) to said vehicle body (30) of said tracked vehicle (10; 11). Said track assembly (21) comprises a track support beam (22), a plurality of road wheels (23, 23a), at least one drive wheel (24), and an endless track (25). Said track support beam (22) is arranged to support said at least one drive wheel (24) and a plurality of road wheels (23, 23a). Said endless track is disposed around said at least one drive wheel (24) and plurality of road wheels (23, 23a). Said suspension device (S) comprises two pendulum arms (52, 54) which in one end are rotatably attached to a respective fastening point (P1b, P2b) in said vehicle body (30; 32, 30) and in the other end are rotatably attached to a respective fastening point (P1a, P2a) in the track support beam (22) of said track assembly (21).Type: GrantFiled: November 9, 2017Date of Patent: August 20, 2024Assignee: Bae Systems Hägglunds AktiebolagInventors: Björn Hellholm, Leif Hallin, Jens Wågberg, Daniel Engblom, Max Thorén, Anders Bodin, Björn Nordberg, Anders Sandin
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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: 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: 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: 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