Projectile and fuze with fin
AssigneeBae Systems Bofors AB
InventorAnders Hagberg
Life of this patent
Estimating the term…
Abstract
A projectile is outfitted with a target finder and is intended to be fired from a launching device and includes one or several fins where the fins, upon being extended, cause the projectile to be urged into a controlled oscillating movement. A fuze is also provided.
Claims17
A projectile adapted to be launched from a launching device, the projectile comprising a target finder, and one or more extensible fins, wherein the one or more fins, upon launching of the projectile and extension of the fins, cause the projectile to be put into a controlled oscillating movement to provide a conical scan area of increased size compared to a non-oscillating target scan area for the target finder around the original trajectory, said oscillating movement characteristic of one or more of a selected fin shape of the one or more fins, an amount of fin extension of the one or more fins, a frequency or interval of fin extension of the one or more fins, a speed of fin extension of the one or more fins, and an acceleration of fin extension of the one or more fins, and wherein the target finder controls the projectile flight after locating an identified target and delimits the oscillations to focus on the identified target.
A fuze adapted to be affixed to a projectile, the fuze comprising a target finder and one or more extensible fins, wherein the one or more fins, upon launching of the projectile to which the fuze is affixed and extension of the one or more fins, cause the projectile to which the fuze is affixed to be put into a controlled oscillating movement to provide a conical target scan area of increased size as compared to a non-oscillating target scan area around the original projectile trajectory, the oscillating movement characteristic of one or more of selection of a fin shape of the one or more fins, an amount of fin extension of the one or more fins, a frequency or interval of fin extension of the one or more fins, a speed of fin extension of the one or more fins, and an acceleration of fin extension of the one or more fins, and wherein the target finder controls the projectile flight to eliminate undue oscillation movement after locating an identified target.
A method of launching a projectile from a launching device, the projectile comprising one or more extensible fins and an optical target finder, the method comprising:
- launching the projectile;
- and
- causing the projectile to be put into a controlled oscillating movement to provide a conical scan area of increased size compared to a non-oscillating target scan area for the optical target finder around the original projectile trajectory, said oscillating movement by extending at least one fin of the one or more fins and one or more of
- selecting a fin shape for the at least one fin of the one or more fins,
- selecting an amount of fin extension of the at least one fin of the one or more fins,
- selecting a frequency or interval of fin extension of the at least one fin of the one or more fins,
- selecting a speed of fin extension of the at least one fin of the one or more fins,
- selecting an acceleration of fin extension of the at least one fin of the one or more fins and further controlling the projectile flight to eliminate undue oscillation movement after locating an identified target.
Dependencies are inferred from the claim text.