Hybrid gun propellant

• US 4,402,775 A
• Filed: 06/24/1982
• Issued: 09/06/1983
• Est. Priority Date: 06/24/1982
• Status: Expired due to Fees

• Current Assignee: the united states of america as represented by the secretary of the navy
• Original Assignee: the united states of america as represented by the secretary of the navy
• Inventors: Wood, Stanley E.
• Primary Examiner(s): Lechert, Jr., Stephen J.
• Application Number:
  US06/391,268
• Time in Patent Office: 439 Days
• Field of Search: 149/100, 149/46, 149/49, 149/74, 149/96
• US Class Current: 149/49
• CPC Class Codes: C06B 23/04 for cooling the explosion gases including antifouling and flash suppressing agents
• CPC Class Codes: C06B 47/00 Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosives; Suspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase
• CPC Class Codes: C06B 47/14 comprising a solid component and an aqueous phase

Abstract

A hybrid gun propellant containing an oxidizer rich liquid monopropellant d an oxidizer deficient single based solid propellant.

Claims

1. A gun propellant composition comprising:

an oxidizer rich liquid selected from the group consisting of a hydroxylammonium nitrate and water admixture and a hydroxylammonium nitrate, ammonium nitrate and water admixture; and

an oxidizer deficient single based solid propellant.

2. A gun propellant composition according to claim 1 wherein said oxidizer rich liquid is a hydroxylammonium nitrate and water admixture.

3. A gun propellant composition according to claim 1 wherein said oxidizer rich liquid is a hydroxylammonium nitrate, ammonium nitrate and water admixture.

4. A gun propellant according to claim 1 or 3 wherein said hydroxylammonium nitrate, ammonium nitrate and water admixture is 6.5 molar hydroxylammonium nitrate and 5.5 molar ammonium nitrate.

5. A gun propellant composition according to claim 1 wherein said oxidizer rich liquid is 30-55% by weight of 13 molar hydroxylammonium nitrate.

6. A gun propellant composition according to claim 1 or 2 wherein said hydroxylammonium nitrate and water admixture is 13 molar hydroxylammonium nitrate.

7. A gun propellant according to claim 4 wherein said hydroxylammonium nitrate, ammonium nitrate and water admixture as the oxidizer rich liquid is 30-55% by weight of said composition.

8. A gun propellant according to claim 6 wherein said hydroxylammonium nitrate and water admixture as the oxidizer rich liquid is 30-55% by weight of said composition.