Reactive material enhanced projectiles and related methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F42B-012/44
F42B-012/02
출원번호
UP-0079925
(2005-03-14)
등록번호
US-7603951
(2009-11-10)
발명자
/ 주소
Rose, Michael T.
Doll, Daniel W.
Hodgson, James R.
Goodell, Robert K.
Busky, Randall T.
Bray, II, Edward J.
Nielson, Daniel B.
출원인 / 주소
Alliant Techsystems Inc.
대리인 / 주소
TraskBritt
인용정보
피인용 횟수 :
12인용 특허 :
26
초록▼
A projectile having a reactive material disposed therein is provided. The projectile includes a housing which defines a cavity, the cavity being open at one end of thereof. A reactive material is disposed within the cavity. A tip is coupled with the housing and substantially encloses the opening of
A projectile having a reactive material disposed therein is provided. The projectile includes a housing which defines a cavity, the cavity being open at one end of thereof. A reactive material is disposed within the cavity. A tip is coupled with the housing and substantially encloses the opening of the cavity. The housing, the reactive material and the tip are cooperatively positioned and configured so as to define a void space between a surface of the tip and a surface of the reactive material. Upon impact with a target, the tip of the projectile is designed to become displaced within the cavity until it contacts the reactive material and transfers kinetic energy thereto, thereby causing ignition of the reactive material. The void space may be defined to provide a desired amount of time between initial impact of the projectile with a target and the subsequent ignition of the reactive material.
대표청구항▼
What is claimed is: 1. A projectile comprising: a housing having a cavity defined therein, the cavity being open at one end of the housing and having a surface feature including at least one discontinuity in an interior surface of the housing that defines, at least in part, the cavity; a reactive m
What is claimed is: 1. A projectile comprising: a housing having a cavity defined therein, the cavity being open at one end of the housing and having a surface feature including at least one discontinuity in an interior surface of the housing that defines, at least in part, the cavity; a reactive material disposed within the cavity, the reactive material being arranged within the cavity to cooperatively interact with the at least one discontinuity so as to resist a change in an angular velocity of the reactive material relative to an angular velocity of the housing; and a tip coupled with the housing and substantially closing the cavity at the one end of the housing; wherein the reactive material and the tip are cooperatively positioned and configured to define a selected void space between a surface of the tip and a surface of the reactive material, and wherein the void space is sized and configured to substantially provide an intended time of ignition of the reactive material subsequent to impact of the tip with an intended target. 2. The projectile of claim 1, wherein the tip is formed of a material comprising brass. 3. The projectile of claim 1, wherein the reactive material comprises at least two materials selected from the group consisting of at least one fuel, at least one oxidizer, and at least one class 1.1 explosive. 4. The projectile of claim 1, wherein the reactive material includes at least one fuel selected from the group consisting of a metal, a fusible metal alloy, an organic fuel, and mixtures thereof. 5. The projectile of claim 1, wherein the reactive material includes at least one oxidizer selected from the group consisting of an inorganic oxidizer, sulfur, a fluoropolymer, and mixtures thereof. 6. The projectile of claim 1, wherein the reactive material includes at least one explosive material selected from the group consisting of trinitrotoluene, cyclo-1,3,5-trimethylene-2,4,6-trinitramine, cyclotetramethylene tetranitramine, hexanitrohexaazaisowurtzitane, 4,10-dinitro-2,6,8,12-tetraoxa-4,10-diazatetracyclo-[5.5.0.05,9.03,11]-dodecane, 1,3,3-trinitroazetine, ammonium dinitramide, 2,4,6-trinitro-1,3,5-benzenetriamine, dinitrotoluene, and mixtures thereof. 7. The projectile of claim 1, wherein the reactive material comprises approximately 90% hafnium by weight and approximately 10% THV fluoropolymer by weight. 8. The projectile of claim 1, wherein the at least one discontinuity includes at least one recess. 9. The projectile of claim 8, wherein the at least one recess is sized, located and configured to stimulate a desired fragmentation pattern of the housing upon ignition of the reactive material. 10. The projectile of claim 8, wherein the at least one recess is sized, located and configured to at least partially control the timing of a structural breach of the housing subsequent an ignition of the reactive material. 11. The projectile of claim 1, wherein the tip includes a shoulder that abuts a portion of the housing, the shoulder being sized and structured to yield upon application of a predefined force to the tip in the direction of the housing.
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이 특허에 인용된 특허 (26)
Feldmann Fritz K. (460 Ward Dr. ; Ste. E Santa Barbara CA 93111), Anti-material projectile.
Coates Arthur D. (Harford City MD) Donovan William F. (Harford City MD) Rakaczky John A. (Harford City MD) Scott Wayman E. (Knoxville TN), Ballistic projectile.
Antoine Robert (Varennes Vauzelles FRX) Laurin Jacques (Nevers FRX), Projectile for hand and shoulder weapons and a cartridge fitted with said projectile.
Nielson, Daniel B.; Truitt, Richard M.; Ashcroft, Benjamin N., Articles of ordnance including reactive material enhanced projectiles, and related methods.
Miller, Shawn A.; Scott, Mark A.; Eliason, Douglas J.; Greenwood, Kevin R., Projectile that includes a sensor to obtain environmental data during launch from a cannon.
Nielson, Daniel B.; Truitt, Richard M.; Poore, Rochelle D.; Ashcroft, Benjamin N., Reactive material compositions, shot shells including reactive materials, and a method of producing same.
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