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.

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).

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).

Abstract: 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.

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.

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.

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).

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.

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).

Abstract: The invention relates to a tracked vehicle (11) comprising a vehicle body (30), at least one track assembly (21) and a suspension device (S). Said track assembly (21) is arranged to be supported by said vehicle body (30) by means of said suspension device (S), said track assembly comprising a track support beam (22) for supporting a plurality of road wheels (23, 23a), an endless track (25) being disposed around said road wheels. Said suspension device (S) comprises a bogie arrangement (50) rotatably attached to a fastening point (P0) of said vehicle body (30) about an axis of rotation (Z0) transversal to the longitudinal extension of said track assembly (21) and attached to said track support beam (22) in connection to at least two fastening points (P1, P2) so that the track support beam (22) is allowed to rotate in a rotational plane extending along the longitudinal extension of said track support beam (22) about said axis of rotation.

Abstract: Systems and methods for facilitating transportation of an observer in a vehicle include providing video images of an environment of the vehicle from a plurality of cameras having partly overlapping field of views, detecting an orientation of the observer's head, combining the video images to provide a first video image of a first section of the environment of the vehicle, and presenting a second video image of a second section of the environment of the vehicle. The second section is a subset of the first section and corresponds to the detected orientation of the observer's head. The first section is a proper subset of the environment seen by the plurality of cameras. The detecting and presenting are repeated after a predetermined time-period that is short enough not to cause nausea for the observer.

Abstract: The present invention relates to a hybrid powertrain for a vehicle. The hybrid powertrain comprising: an internal combustion engine; a torque converter; a first and a second electric machine electrically coupled to each other. The hybrid powertrain further comprises a planetary gear set, comprising a first, a second and a third member. The internal combustion engine is mechanically engaged to the second member of the planetary gear set via the torque converter. The first electric machine is arranged mechanically engaged to the first member of the planetary gear set. The second electric machine is arranged mechanically engagable to the second and third member of the planetary gear set so as to establish a plurality of operating modes of the hybrid powertrain.

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.

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.

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.

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.

Abstract: 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).

Abstract: The invention relates to a tracked vehicle (11) comprising a vehicle body (30), at least one track assembly (21) and a suspension device (S). Said track assembly (21) is arranged to be supported by said vehicle body (30) by means of said suspension device (S), said track assembly comprising a track support beam (22) for supporting a plurality of road wheels (23, 23a), an endless track (25) being disposed around said road wheels. Said suspension device (S) comprises a bogie arrangement (50) rotatably attached to a fastening point (P0) of said vehicle body (30) about an axis of rotation (Z0) transversal to the longitudinal extension of said track assembly (21) and attached to said track support beam (22) in connection to at least two fastening points (P1, P2) so that the track support beam (22) is allowed to rotate in a rotational plane extending along the longitudinal extension of said track support beam (22) about said axis of rotation.

Abstract: The present invention relates to a hybrid powertrain for a vehicle. The hybrid powertrain comprising: an internal combustion engine; a torque converter; a first and a second electric machine electrically coupled to each other. The hybrid powertrain further comprises a planetary gear set, comprising a first, a second and a third member. The internal combustion engine is mechanically engaged to the second member of the planetary gear set via the torque converter. The first electric machine is arranged mechanically engaged to the first member of the planetary gear set. The second electric machine is arranged mechanically engagable to the second and third member of the planetary gear set so as to establish a plurality of operating modes of the hybrid powertrain.

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.