F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 10/02 (2006.01) F42B 10/46 (2006.01)
Patent
CA 2196976
A projectile (50) is propelled from a location in air, through anair/water interface, and toward an underwater object (24). The projectile (50) is of a full caliber that is directly received into and fired from a gun barrel (22). The portion of the projectile (50) that contacts the bore of the gun (22) is made of a material that will not unduly damage or be transferred to the bore of the gun upon firing. The projectile (50) includes a forward end stinger head (74) that forms a cavitation void (30) around the projectile (50) in water, minimizing water drag on the remainder of the projectile (50). The projectile (50) further includes a shoulder (90) that contacts the side of the cavitation void (30) in the event that the projectile (50) yaws into a wall of the cavitation void (30) as it passes through water, producing a restoring force that prevents the projectile (50) from tumbling.
Un projectile (50) est propulsé à partir d'un endroit situé dans les airs, à travers une interface air/eau, en direction d'un objectif sous-marin (24). Ce projectile (50) plein calibre est directement introduit dans le tube (22) d'un canon et tiré à partir de celui-ci. La portion du projectile (50) entrant en contact avec l'âme (22) du canon est réalisée dans un matériau qui ne doit pas endommager excessivement cette âme ou laisser des dépôts sur celle-ci, lors du tir. Ce projectile (50) comprend un dard (74) antérieur, lequel forme, dans l'eau et autour du projectile (50), un vide (30) de cavitation, minimisant ainsi la résistance de l'eau sur le reste du projectile (50), et il comporte en outre un épaulement (90), lequel entre en contact avec le côté du vide de cavitation (30) au cas où le projectile (50) effectue un lacet le dirigeant dans une paroi du vide de cavitation (30), lors de son passage à travers l'eau, cet épaulement produisant une force de rétablissement empêchant le projectile (50) de culbuter.
Brown Jeffrey A.
Copsey Reed
Kline Roy
Tulin Marshall
He Holdings Inc.
Raytheon Company
Sim & Mcburney
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