Patents Assigned to Bofors AB
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Patent number: 11953299Abstract: A procedure for producing a warhead with controlled fragmentation includes manufacturing an inner shell and filling it with an explosive substance. The procedure further includes providing a net around the outer surface of the inner shell as well as depositing a material on and around the net. A warhead is produced by the procedure and includes an inner shell. A material applied to the warhead comprises weak points for guided fragmentation of the deposited material upon detonation of the warhead.Type: GrantFiled: March 9, 2020Date of Patent: April 9, 2024Assignee: BAE SYSTEMS BOFORS ABInventors: Christer Thuman, Björn Johansson, Hamzah Hamdan
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Patent number: 11953298Abstract: In a brake for detachable arrangement on projectiles, the brake is configured with a surface which is situated in the direction of travel of the projectile, where the surface is larger than a surface given by ?R2-?r2, where R is the outer radius of the brake and r is the inner radius of the brake. A method for braking projectiles is also provided.Type: GrantFiled: December 1, 2020Date of Patent: April 9, 2024Assignee: BAE SYSTEMS BOFORS ABInventors: Anders Hagberg, Thomas Pettersson
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Patent number: 11940249Abstract: A method is provided for calculating the bursting point of at least one projectile fired at a target object, involving measuring the position of the projectile, estimating the position of the projectile, estimating the speed of the projectile, measuring the position of the target object, estimating the position of the target object, estimating the speed of the target object, calculating optimal bursting points for the projectile based on the estimated position of the projectile, the estimated speed of the projectile, the estimated position of the target object and the estimated speed of the target object, and communicating the bursting points for the projectile to the projectile. A computer program, a computer system, and a weapons system are also provided.Type: GrantFiled: September 2, 2020Date of Patent: March 26, 2024Assignee: BAE SYSTEMS BOFORS ABInventors: Peter Tjernström, Frans Eriksson
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Patent number: 11841211Abstract: A fire control method against aerial targets flying toward a protection object when the position of the protection object is known includes measuring the position of the aerial target, estimating the position of the aerial target, estimating the velocity of the aerial target, predicting the future path of the aerial target from the estimated position of the aerial target and the estimated velocity of the aerial target, and deciding, on the basis of the predicted path, whether the aerial target i.) is incoming and thus a threat against the protection object, ii.) is passing by and thus not a threat to the protection object.Type: GrantFiled: January 22, 2021Date of Patent: December 12, 2023Assignee: BAE SYSTEMS BOFORS ABInventor: Hendric Kjellström
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Publication number: 20230358519Abstract: A method is provided for producing a component for a warhead, wherein the method involves the steps: i.) an inner shell is arranged on a tool, ii.) preshaped projectiles are arranged on the inner shell, iii.) powder is arranged to enclose the preshaped projectiles, iv.) the powder is pressed such that the powder, the preshaped projectiles, and the inner shell are joined together, v.) the tool is removed from the component formed from the powder, the preshaped projectiles, and the inner shell. A warhead and a projectile are also provided.Type: ApplicationFiled: February 1, 2021Publication date: November 9, 2023Applicant: BAE SYSTEMS BOFORS ABInventors: Christer THUMAN, Hamzah HAMDAN, Björn JOHANSSON
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Patent number: 11725896Abstract: A plasma generator is provided for initiation of propellant charges in a weapons system, for example when launching projectiles from a barrel weapon, by electrical discharge between a rear electrode and a front electrode in a combustion chamber channel enclosed in a combustion chamber body and filled with filling gas, designed to ignite at least one propellant charge. An ammunition unit and a launching device including the plasma generator are also provided.Type: GrantFiled: December 1, 2020Date of Patent: August 15, 2023Assignee: BAE SYSTEMS BOFORS ABInventor: Mats Jansson
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Patent number: 11725918Abstract: A payload container for providing a horizontal dispersion pattern of sub-projectiles suitable for combatting surface targets is in the form of a cylinder and includes at least two sub-projectiles arranged in a core enclosed by a container wall, wherein the sub-projectiles are linearly disposed. In addition, a projectile and use of the same include at least one payload container or a plurality of sequentially arranged payload containers displaced by a displacement angle relative to each other. The displacement angle is predetermined in such way so that the sub-projectiles are vertically lined at the time when the mechanical force from the carrier shell disappears and the sub-projectiles are spread to the left and to the right, providing a horizontal dispersion pattern.Type: GrantFiled: September 26, 2018Date of Patent: August 15, 2023Assignee: BAE SYSTEMS BOFORS ABInventor: Christer Thuman
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Publication number: 20230194222Abstract: A projectile for short firing ranges includes as a cylinder with a nose having a substantially flat surface arranged with a threaded socket allowing for the arrangement of, for example, a fuze a rear section designed with a substantially flat surface, as well as a projectile body arranged with energetic material enclosed by a casing.Type: ApplicationFiled: May 4, 2021Publication date: June 22, 2023Applicant: BAE SYSTEMS BOFORS ABInventors: Anders HAGBERG, Christer THUMAN
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Patent number: 11656065Abstract: A method and a system for inductively programming a fuze including at least one target coil arranged in a projectile by a fuze setter including at least one setter coil, the method including i) conveying at least one of a projectile or a fuze setter by an actuator to bring the at least one target coil and the at least one setter coil in an inductive coupling position, ii) programming the fuze by transferring predetermined fuzing data from the at least one setter coil to the at least one target coil, iii) optionally transferring fuzing data from the at least one target coil to the at least one setter coil to confirm correct programming of the fuze has been performed, and iv) retracting at least one of the fuze setter or projectile from the inductive coupling position when the transfer of fuzing data has been completed.Type: GrantFiled: June 19, 2021Date of Patent: May 23, 2023Assignee: BAE SYSTEMS BOFORS ABInventors: Jonas Larsson, Mikael Olsson, Thomas Särnmar
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Publication number: 20230147155Abstract: A modular launching device for launching of projectiles with a propellant charge is provided where the projectile is arranged such that a detonator is arranged at a projectile body in the launching device and assembled together with at least one propellant charge in the launching device. A method of assembling projectiles in a launching device by using modules is also provided.Type: ApplicationFiled: March 30, 2021Publication date: May 11, 2023Applicant: BAE SYSTEMS BOFORS ABInventor: Jan CHRISTENSEN
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Publication number: 20230085526Abstract: A fire control method against aerial targets flying toward a protection object when the position of the protection object is known includes measuring the position of the aerial target, estimating the position of the aerial target, estimating the velocity of the aerial target, predicting the future path of the aerial target from the estimated position of the aerial target and the estimated velocity of the aerial target, and deciding, on the basis of the predicted path, whether the aerial target i.) is incoming and thus a threat against the protection object, ii.) is passing by and thus not a threat to the protection object.Type: ApplicationFiled: January 22, 2021Publication date: March 16, 2023Applicant: BAE SYSTEMS BOFORS ABInventor: Hendric KJELLSTRÖM
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Publication number: 20230003494Abstract: In a brake for detachable arrangement on projectiles, the brake is configured with a surface which is situated in the direction of travel of the projectile, where the surface is larger than a surface given by ?R2-?r2, where R is the outer radius of the brake and r is the inner radius of the brake. A method for braking projectiles is also provided.Type: ApplicationFiled: December 1, 2020Publication date: January 5, 2023Applicant: BAE SYSTEMS BOFORS ABInventors: Anders HAGBERG, Thomas PETTERSSON
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Publication number: 20230003477Abstract: A plasma generator is provided for initiation of propellant charges in a weapons system, for example when launching projectiles from a barrel weapon, by electrical discharge between a rear electrode and a front electrode in a combustion chamber channel enclosed in a combustion chamber body and filled with filling gas, designed to ignite at least one propellant charge. An ammunition unit and a launching device including the plasma generator are also provided.Type: ApplicationFiled: December 1, 2020Publication date: January 5, 2023Applicant: BAE SYSTEMS BOFORS ABInventor: Mats JANSSON
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Publication number: 20220412693Abstract: A method is provided to improve the impact point for at least one subsequent projectile fired towards a target, launched after an initial projectile, where the subsequent projectiles can alter their course, based on information on the previous projectiles' time of automatic detonation, to improve the ability to detect a target. A projectile and a fuse are also provided.Type: ApplicationFiled: October 22, 2020Publication date: December 29, 2022Applicant: BAE SYSTEMS BOFORS ABInventors: Boyko ILIEV, Peter WETTERSKOG, Thomas PETTERSSON
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Patent number: 11499807Abstract: An autonomous weapon system for improved guidance of a projectile for homing a target includes a guided projectile including at least one sensor and a carrier projectile and at least one guidance and reconnaissance unit including a transmitter for communication via light. The system uses emitted light for both positioning and communication of target coordinates which provides an accurate and cost effective system for combatting point and surface targets by indirect fire.Type: GrantFiled: December 17, 2018Date of Patent: November 15, 2022Assignee: BAE SYSTEMS BOFORS ABInventor: Jan Christensen
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Publication number: 20220357129Abstract: A method is provided for calculating the bursting point of at least one projectile fired at a target object, involving measuring the position of the projectile, estimating the position of the projectile, estimating the speed of the projectile, measuring the position of the target object, estimating the position of the target object, estimating the speed of the target object, calculating optimal bursting points for the projectile based on the estimated position of the projectile, the estimated speed of the projectile, the estimated position of the target object and the estimated speed of the target object, and communicating the bursting points for the projectile to the projectile. A computer program, a computer system, and a weapons system are also provided.Type: ApplicationFiled: September 2, 2020Publication date: November 10, 2022Applicant: BAE SYSTEMS BOFORS ABInventors: Peter TJERNSTRÖM, Frans ERIKSSON
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Patent number: 11378367Abstract: A fuse is provided with a reversible airbrake intended for a projectile, wherein the airbrake is arranged such that errors which occur in the flight path of the projectile can be corrected by performing one or more extensions and retractions of the airbrake. The airbrake includes at least two braking surfaces symmetrically arranged each behind a respective protective device arranged on the casing surface of the fuse, wherein the brake surfaces can be extended and retracted in a rotational direction behind the at least two protective devices via a twist shaft arranged centrally in the fuse.Type: GrantFiled: October 24, 2018Date of Patent: July 5, 2022Assignee: BAE SYSTEMS BOFORS ABInventors: Thomas Pettersson, Anders Ekberg
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Publication number: 20220155045Abstract: A method for producing a warhead with directed blasting action involves the step of making an outer casing and arranging therein a charge with a cavity situated at the front end of the charge. An insert whose shape corresponds to the shape of the cavity is arranged on the surface of the charge. The method furthermore involves the step of depositing a material on the insert in an additive manufacturing process. A warhead manufactured according to the method includes an outer casing, a charge with a cavity situated at the front end of the charge, and an insert. A material is deposited on the insert.Type: ApplicationFiled: March 9, 2020Publication date: May 19, 2022Applicant: BAE SYSTEMS BOFORS ABInventors: Hamzah HAMDAN, Christer THUMAN, Björn JOHANSSON
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Publication number: 20220155046Abstract: A procedure for producing a warhead with controlled fragmentation includes manufacturing an inner shell and filling it with an explosive substance. The procedure further includes providing a net around the outer surface of the inner shell as well as depositing a material on and around the net. A warhead is produced by the procedure and includes an inner shell. A material applied to the warhead comprises weak points for guided fragmentation of the deposited material upon detonation of the warhead.Type: ApplicationFiled: March 9, 2020Publication date: May 19, 2022Applicant: BAE SYSTEMS BOFORS ABInventors: Christer THUMAN, Björn JOHANSSON, Hamzah HAMDAN
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Patent number: 11307004Abstract: A tail portion for a fin-stabilized projectile includes at least two deployable fins, which are inclined. The fins are arranged in at least two sections, which are arranged adjacent to another in the axial direction.Type: GrantFiled: September 26, 2018Date of Patent: April 19, 2022Assignee: BAE SYSTEMS BOFORS ABInventors: Anders Hagberg, Tommy Ström, Jan Axinger