Agent defeat warhead device

• US 6,382,105 B1
• Filed: 02/28/2001
• Issued: 05/07/2002
• Est. Priority Date: 02/28/2001
• Status: Active Grant

• Current Assignee: Lockheed Martin Corporation (Martin Marietta Corporation)
• Original Assignee: Lockheed Martin Corporation (Martin Marietta Corporation)
• Inventors: Jones, John W.
• Primary Examiner(s): Nelson, Peter A.
• Application Number:
  US09/794,051
• Time in Patent Office: 433 Days
• Field of Search: 102/370, 102/372, 102/373
• US Class Current: 102/370
• CPC Class Codes: F42B 12/50 by dispersion

Abstract

A high mass flow pyrotechnic gas generator in the aft end of a hard target penetrating warhead generates hot gases during penetration into a chemical or biological manufacturing or storage facility. This device will act to place neutralizing gases in and near the entry hole made in the target where viable infectious agents are most likely to be dispersed early in the warhead event before the operation of the main warhead charge. The gas generating material, which may be similar to a composite solid propellant, will produce very hot gases preferably containing hydrogen chloride and vapor phase moisture or other chemical sanitizing material. The combination acts as a neutralizer to render chemical and/or biological agents inert. The neutralizer will mix with the chemical and/or biological agents during the initial surge of aerosolized chemical and/or biological agents released in the target and render them harmless.

Claims

1. An agent defeat warhead device comprising:

a gas generating assembly;

an igniter; and

a plurality of venting ports for the release of gases produced by the gas generator whereby gases released by the gas generating assembly render chemical species which neutralize biological and chemical toxins.

2. The device of claim 1, wherein a gas generating assembly is contained within a pressure vessel shaped as a cylindrical annulus, the material of the pressure vessel of sufficient strength to contain the operating pressure of the gas generating assembly without rupture.

3. The device of claim 2, wherein a hollow center of the annular pressure vessel contains a space for installation of a fuse at a location suitable for initiation of a warhead main payload.

4. The device of claim 2, wherein the pressure vessel further comprises a mating lip.

5. The device of claim 1, wherein a gas generating assembly is contained within a pressure vessel comprised of a warhead casing, a warhead aft closure, a barrier between the gas generator assembly and a main payload, the barrier having a plurality of compliant, floating seals, and a plurality of burst disk plugs sealing a plurality of venting ports.

6. The device of claim 1, wherein a gas generating assembly is further comprised of a plurality of bonded elements of a gas generator charge and a support material, the gas generator charge being of a deflagrating and non-detonable composition, the gas generator charge capable of producing hot gas upon combustion, the gas containing hydrogen chloride and vapor phase moisture, the combination of such agents and chemicals act to neutralize chemical and/or biological agents.

7. The device of claim 6, wherein at least one of the plurality of bonded elements of a gas generator charge and a support material is shaped as a cylinder and disposed concentrically in the annular volume of the gas generating pressure vessel.

8. The device of claim 6, wherein at least one of the plurality of the bonded elements of a gas generator charge and a support material is shaped as a disk and disposed with the radius of the disk normal to the longitudinal axis of the warhead.

9. The device of claim 1, wherein a gas generating assembly is further comprised of pelletized gas generator charge in which substantially all pellets combust independently, the gas generator charge being deflagrating and non-detonable, the gas generator charge producing a hot gas upon combustion, the gas containing hydrogen chloride and vapor phase moisture, the combination of such agents and chemicals act to neutralize chemical and biological agents.

10. The device of claim 1, wherein the agent defeat warhead device is located in an aft end of a warhead casing for the purpose of generating hot gases during penetration of the warhead into a target, said gases being released in and near the hole made in the target by entry of a warhead.

11. The device of claim 10, further comprising a warhead closure for the purpose of securing the agent defeat warhead device into the aft end of the warhead casing.

12. The device of claim 10, wherein an aft closure retaining ring is provided within the aft end of the warhead casing.

13. The device of claim 1, wherein the igniter is one of a flash or pyrogen igniter which initiates the gas generator.

14. The device of claim 1, wherein the plurality of venting ports release gases produced by the gas generating assembly so as to place such gases in and near a hole created in a target by entry of a warhead.

15. The device of claim 14, wherein the plurality of venting ports for the release of gases produced by the gas generating assembly are in the warhead aft closure, thereby allowing venting parallel to the longitudinal axis of a warhead.

16. The warhead of claim 15, wherein each one of the plurality of venting ports, located such as to allow venting parallel to the longitudinal axis of a warhead, are initially blocked by a respective plurality of burst disk plugs designed to obtain an operating pressure within the gas generator of 5,000 to 10,000 pounds per square inch prior to rupturing.

17. The device of claim 14, wherein the plurality of venting ports for the release of gases produced by the gas generating assembly are located in a side of the warhead casing such as to allow venting normal to the longitudinal axis of a warhead.

18. The warhead of claim 17, wherein each one of the plurality of venting ports, located such as to allow venting normal to the longitudinal axis of a warhead, are initially blocked by a respective plurality of burst disk plugs designed to obtain an operating pressure within the gas generator of 5,000 to 10,000 pounds per square inch prior to rupturing.

19. The device of claim 1, further comprising a plurality of restraints, one of each plurality of restraints is disposed across each of the plurality of openings formed by the plurality of venting ports to prevent the release of non-combusted gas generator charge.

20. The device of claim 1, wherein the gases produced by the gas generator are released so as to neutralize chemical and biological toxins before they can escape from a bunkered target.