The United States of America as represented by the Secretary of the Army
인용정보
피인용 횟수 :
5인용 특허 :
6
초록▼
A grenade dispensing mechanism for non-spin or low spin dual purpose improved conventional munition launched from inside a projectile. At a pre-determined point along the trajectory, the projectile time fuze which is set at the gun functions to provide initiation output to the payload expulsion cha
A grenade dispensing mechanism for non-spin or low spin dual purpose improved conventional munition launched from inside a projectile. At a pre-determined point along the trajectory, the projectile time fuze which is set at the gun functions to provide initiation output to the payload expulsion charge assembly. The payload expulsion charge assembly contains a propellant which when ignited, produces a gas pressure acting on a pusher plate which acts as a piston. The gas pressure increases with time until the forces of the gas pressure acting on the pusher plate through the grenade payload to the base/tail assembly are sufficient to shear the thread attachment of the base assembly to the projectile body section. An obturator band serves to seal the expulsion gas pressures to prevent excessive gas blow-by as the payload canister assembly travels through the rifled projectile body section. Upon thread shear, the base separates from the projectile body permitting movement of the grenade payload toward the aft open end of the projectile body. The projectile payload section is in the warhead/payload canister assembly. A pre-engraved rotating band attached to the payload canister as it travels through the projectile section rifling creates a torque thus the grenades emerge from the projectile body with rotational and tangential velocity determined by their position in the payload section which cause the grenades to disperse, arm and stabilize to form a large approximately uniform, distribution of grenades in a pattern effects over a target area.
대표청구항▼
What is claimed is: 1. A dispense mechanism for dispensing a payload, comprising: an expulsion charge assembly located toward a forward end, and including: a container that contains an ignitable expulsion charge; and a fuze that ignites the expulsion charge; a payload section that contains the pay
What is claimed is: 1. A dispense mechanism for dispensing a payload, comprising: an expulsion charge assembly located toward a forward end, and including: a container that contains an ignitable expulsion charge; and a fuze that ignites the expulsion charge; a payload section that contains the payload; a pusher plate disposed in proximity to the expulsion charge assembly; a tail assembly that is secured in a detachable manner to a rearward base section of the payload section by means of an attachment mechanism; wherein after ignition of the expulsion charge by means of the fuze, resulting expulsion gas forces are generated and cause the pusher plate to act as a piston for transmitting the expulsion gas forces through the payload section, to the tail assembly; and wherein the expulsion gas forces continue to increase until the expulsion gas forces acting against the pusher plate and transmitted through the payload section, to the tail assembly, shear the attachment mechanism of the rearward base section of the payload section to the tail assembly, causing the payload to be dispensed. 2. The dispense mechanism according to claim 1, wherein the payload section comprises a projectile with low-spin characteristics. 3. The dispense mechanism according to claim 1, wherein the payload section comprises a projectile with non-spin characteristics. 4. The dispense mechanism according to claim 1, wherein the expulsion charge comprises a propellant charge. 5. The dispense mechanism according to claim 1, wherein the fuze comprises a primary projectile that ignites the expulsion charge at a predetermined distance from a target. 6. The dispense mechanism according to claim 1, wherein the expulsion gas forces cause the pusher plate to translate within the payload section. 7. The dispense mechanism according to claim 6, wherein the payload section comprises a payload canister that contains the payload; and wherein the payload canister is forced to slide, within the payload section, toward the rearward base section of the payload section, under the action of the expulsion gas forces that are transmitted by the pusher plate. 8. The dispense mechanism according to claim 1, wherein the payload comprises a plurality of grenades. 9. The dispense mechanism according to claim 8, wherein the payload section comprises a grenade adapter and a spacer. 10. The dispense mechanism according to claim 1, wherein the attachment mechanism comprises a threaded section that gets sheared under the action of the expulsion gas forces, to cause the payload section to be detached from the tail assembly. 11. The dispense mechanism according to claim 7, wherein the payload section includes a rifled inner surface for providing a rifled movement to the payload canister, as the payload canister travels axially along the payload section; and wherein the payload section releases the payload with rotational and tangential velocity components. 12. The dispense mechanism according to claim 7, wherein the payload canister includes an outer surface that is notched to mate with a pre-engraved band. 13. The dispense mechanism according to claim 12, wherein the band is made, at least in part, of copper. 14. The dispense mechanism according to claim 7, wherein the payload canister includes an outer surface that mates with an obturator. 15. The dispense mechanism according to claim 14, wherein the obturator's made, at least in part, of an elastomeric material. 16. The dispense mechanism according to claim 14, wherein the obturator's made, at least in part, of a nylon material. 17. The dispense mechanism according to claim 14, wherein the obturator's made, at least in part, of a polyvinyl material. 18. The dispense mechanism according to claim 1, wherein the tail assembly comprises a fin assembly. 19. The dispense mechanism according to claim 7, wherein the canister is a generally cylindrically shaped. 20. The dispense mechanism according to claim 7, wherein the canister is made, at least in part, of steel.
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이 특허에 인용된 특허 (6)
Brooks, George W.; Gagnier, Mike S., Apparatus and method for dispersing munitions from a projectile.
Bueno Leoncio M. (c/ Madre Vedruna no 1 ; 50008 Zaragoza ESX) Prez Rafael G. (C/ Caleruega ; 13 Pinar De Chamartin ; Madrid ESX), Submunition ejection system.
Adams, Daniel Alexander; Jones, Matthew; Burn, Andy Oden; Costin, David John; McCombie, Stuart Andrew; Wainwright, John; Rumfitt, Michael Shaun, Common carrier munition.
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